WO2013035548A1 - 導電性高分子の分散液、導電性高分子およびその用途 - Google Patents
導電性高分子の分散液、導電性高分子およびその用途 Download PDFInfo
- Publication number
- WO2013035548A1 WO2013035548A1 PCT/JP2012/071415 JP2012071415W WO2013035548A1 WO 2013035548 A1 WO2013035548 A1 WO 2013035548A1 JP 2012071415 W JP2012071415 W JP 2012071415W WO 2013035548 A1 WO2013035548 A1 WO 2013035548A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- conductive polymer
- sulfonic acid
- water
- copolymer
- dispersion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/022—Electrolytes; Absorbents
- H01G9/025—Solid electrolytes
- H01G9/028—Organic semiconducting electrolytes, e.g. TCNQ
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F12/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring
- C08F12/02—Monomers containing only one unsaturated aliphatic radical
- C08F12/04—Monomers containing only one unsaturated aliphatic radical containing one ring
- C08F12/14—Monomers containing only one unsaturated aliphatic radical containing one ring substituted by hetero atoms or groups containing heteroatoms
- C08F12/30—Sulfur
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F212/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring
- C08F212/02—Monomers containing only one unsaturated aliphatic radical
- C08F212/04—Monomers containing only one unsaturated aliphatic radical containing one ring
- C08F212/14—Monomers containing only one unsaturated aliphatic radical containing one ring substituted by heteroatoms or groups containing heteroatoms
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/26—Esters containing oxygen in addition to the carboxy oxygen
- C08F220/28—Esters containing oxygen in addition to the carboxy oxygen containing no aromatic rings in the alcohol moiety
- C08F220/281—Esters containing oxygen in addition to the carboxy oxygen containing no aromatic rings in the alcohol moiety and containing only one oxygen, e.g. furfuryl (meth)acrylate or 2-methoxyethyl (meth)acrylate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G61/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- C08G61/12—Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G8/00—Condensation polymers of aldehydes or ketones with phenols only
- C08G8/04—Condensation polymers of aldehydes or ketones with phenols only of aldehydes
- C08G8/08—Condensation polymers of aldehydes or ketones with phenols only of aldehydes of formaldehyde, e.g. of formaldehyde formed in situ
- C08G8/18—Condensation polymers of aldehydes or ketones with phenols only of aldehydes of formaldehyde, e.g. of formaldehyde formed in situ with phenols substituted by carboxylic or sulfonic acid groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
- C08L25/18—Homopolymers or copolymers of aromatic monomers containing elements other than carbon and hydrogen
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/04—Homopolymers or copolymers of esters
- C08L33/14—Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur, or oxygen atoms in addition to the carboxy oxygen
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L65/00—Compositions of macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain; Compositions of derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D125/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Coating compositions based on derivatives of such polymers
- C09D125/02—Homopolymers or copolymers of hydrocarbons
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D165/00—Coating compositions based on macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain; Coating compositions based on derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/24—Electrically-conducting paints
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B1/00—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors
- H01B1/06—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of other non-metallic substances
- H01B1/12—Conductors or conductive bodies characterised by the conductive materials; Selection of materials as conductors mainly consisting of other non-metallic substances organic substances
- H01B1/124—Intrinsically conductive polymers
- H01B1/127—Intrinsically conductive polymers comprising five-membered aromatic rings in the main chain, e.g. polypyrroles, polythiophenes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/30—Electrodes characterised by their material
- H01G11/48—Conductive polymers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/0029—Processes of manufacture
- H01G9/0036—Formation of the solid electrolyte layer
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/07—Dielectric layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/15—Solid electrolytic capacitors
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2261/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- C08G2261/30—Monomer units or repeat units incorporating structural elements in the main chain
- C08G2261/32—Monomer units or repeat units incorporating structural elements in the main chain incorporating heteroaromatic structural elements in the main chain
- C08G2261/322—Monomer units or repeat units incorporating structural elements in the main chain incorporating heteroaromatic structural elements in the main chain non-condensed
- C08G2261/3223—Monomer units or repeat units incorporating structural elements in the main chain incorporating heteroaromatic structural elements in the main chain non-condensed containing one or more sulfur atoms as the only heteroatom, e.g. thiophene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2261/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- C08G2261/50—Physical properties
- C08G2261/51—Charge transport
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G2261/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- C08G2261/70—Post-treatment
- C08G2261/79—Post-treatment doping
- C08G2261/794—Post-treatment doping with polymeric dopants
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/10—Transparent films; Clear coatings; Transparent materials
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/54—Aqueous solutions or dispersions
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
- C08L61/04—Condensation polymers of aldehydes or ketones with phenols only
- C08L61/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
- C08L61/14—Modified phenol-aldehyde condensates
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/13—Energy storage using capacitors
Definitions
- the present invention relates to a conductive polymer dispersion, a conductive polymer obtained by drying the conductive polymer dispersion, and its use, that is, solid electrolysis using the conductive polymer as a solid electrolyte.
- the present invention relates to a capacitor and a conductive film made of the conductive polymer.
- conductive polymer in this application for example, those synthesized by oxidative polymerization of a polymerizable monomer such as thiophene or a derivative thereof are used.
- organic sulfonic acid is mainly used, and among them, aromatic sulfonic acid is said to be suitable.
- Transition metals are used as oxidants, among which ferric iron is said to be suitable.
- ferric salts of aromatic sulfonic acids are chemically oxidative polymerization of polymerizable monomers such as thiophene or its derivatives. It is used as an oxidant and dopant agent in the process.
- ferric salts of aromatic sulfonic acids it is said that ferric salts of toluene sulfonic acid and ferric salts of methoxybenzene sulfonic acid are particularly useful, and conductive polymers using them. It can be synthesized by mixing those oxidizing agent / dopant with a polymerizable monomer such as thiophene or a derivative thereof, and is reported to be simple and suitable for industrialization (Patent Documents 1 and 2). .
- the conductive polymer obtained using ferric toluenesulfonate as an oxidizing agent and dopant does not have sufficiently satisfactory characteristics in terms of initial resistance and heat resistance, and methoxybenzenesulfonic acid.
- the conductive polymer obtained using ferric salt as an oxidant and dopant has lower initial resistance and excellent heat resistance than the conductive polymer using ferric toluenesulfonate. Even so, satisfactory characteristics were not obtained.
- Patent Document 3 solubilized conductive polymers have been actively studied.
- Patent Document 3 it is reported that a dispersion of a conductive polymer can be obtained by mixing and reacting polystyrene sulfonic acid, ammonium persulfate, iron salt, ethylenedioxythiophene, and the like.
- the conductive polymer obtained thereby requires further improvement in conductivity in order to be used as the solid electrolyte of the solid electrolytic capacitor.
- Patent Document 6 a conductive polymer obtained by doping polyaniline with a solvent-soluble polyester sulfonic acid has been reported (Patent Document 6).
- the conductive polymer obtained thereby cannot be said to have sufficiently high conductivity, and it is considered that further improvement in conductivity is necessary for use as a solid electrolyte of a solid electrolytic capacitor.
- polyethylene obtained by electrolytic oxidation polymerization of thiophene or a derivative thereof in water or an aqueous liquid composed of a mixture of water and a water-miscible solvent with polystyrene sulfonic acid, sulfonated polyester, or phenol sulfonic acid novolak resin as a dopant Oxidative polymerization of thiophene or its derivatives in water or aqueous liquid using dioxythiophene (Patent Document 7), polystyrene sulfonic acid, and at least one selected from the group consisting of sulfonated polyester and phenolsulfonic acid novolak resin as a dopant. Polyethylenedioxythiophene obtained by doing so has been reported (Patent Document 8).
- the present invention provides a conductive polymer having high conductivity and excellent heat resistance and suitable for use as a solid electrolyte of a solid electrolytic capacitor.
- An object of the present invention is to provide a solid electrolytic capacitor having a low (small) ESR, a high reliability under high temperature conditions, and a low leakage current.
- the present inventors have selected from the group consisting of styrene sulfonic acid, methacrylic acid ester, acrylic acid ester and unsaturated hydrocarbon-containing alkoxysilane compound or a hydrolyzate thereof. Obtained by oxidative polymerization of thiophene or a derivative thereof in water or an aqueous liquid composed of a mixture of water and a water-miscible solvent in the presence of a copolymer with at least one non-sulfonic acid monomer. The present inventors have found that a conductive polymer is suitable for achieving the above object, and based on this, completed the present invention.
- the second invention of the present application is the oxidative polymerization of thiophene or a derivative thereof in water or an aqueous liquid composed of a mixture of water and a water-miscible solvent in the presence of the following (I) and (II). It is related with the dispersion liquid of the conductive polymer characterized by these.
- the third invention of the present application is a conductive high polymer obtained by oxidative polymerization of thiophene or a derivative thereof in water or an aqueous liquid composed of a mixture of water and a water-miscible solvent in the presence of the following (I). And a conductive polymer obtained by oxidative polymerization of thiophene or a derivative thereof in water or an aqueous liquid composed of a mixture of water and a water-miscible solvent in the presence of (III) below.
- the present invention relates to a dispersion of a conductive polymer characterized by the following.
- a fourth invention of the present application is obtained by oxidative polymerization of thiophene or a derivative thereof in water or an aqueous liquid composed of a mixture of water and a water-miscible solvent in the presence of the following (I) and (II).
- thiophene or a derivative thereof is subjected to oxidative polymerization in water or an aqueous liquid composed of a mixture of water and a water-miscible solvent.
- the present invention relates to a dispersion of a conductive polymer characterized by containing molecules.
- the fifth invention of the present application is obtained by oxidative polymerization of thiophene or a derivative thereof in water or an aqueous liquid composed of a mixture of water and a water-miscible solvent in the presence of the following (I) and (III).
- the present invention relates to a dispersion of a conductive polymer.
- the present invention provides a conductive polymer obtained by drying the conductive polymer dispersion, a solid electrolytic capacitor using the conductive polymer as a solid electrolyte, and a conductive polymer comprising the conductive polymer. It relates to applications such as film.
- the conductive polymer of the first invention of the present application has high conductivity and excellent heat resistance, and is suitable for use as a solid electrolyte of a solid electrolytic capacitor, and is used as a solid electrolyte of a solid electrolytic capacitor. Therefore, it is possible to provide a solid electrolytic capacitor having low ESR, high reliability under high temperature conditions and low leakage current, and the conductive polymer has high conductivity and heat resistance. Since it is excellent and has high transparency, it is possible to provide a conductive film having high conductivity, excellent heat resistance, and high transparency.
- the conductive polymer of the second invention of the present application has the characteristics of the conductive polymer of the first invention and further improved conductivity, it should be used as a solid electrolyte of a solid electrolytic capacitor.
- a solid electrolytic capacitor having a lower ESR and a conductive film having a higher conductivity can be provided.
- the conductive polymer of the third invention has the characteristics of the conductive polymer of the first invention and has better adhesion than the conductive polymer of the first invention, so that it is used as a solid electrolyte.
- a solid electrolytic capacitor having a lower ESR can be provided.
- the conductive polymer of the fourth invention has the characteristics of the conductive polymer of the second invention and has better adhesion than the conductive polymer of the second invention, so that it is used as a solid electrolyte.
- a solid electrolytic capacitor having a lower ESR can be provided.
- the fifth invention can obtain the same effect as the third invention, and the sixth invention can obtain the same effect as the fourth invention.
- the conductive polymer in the synthesis of the conductive polymer, a group consisting of styrene sulfonic acid, methacrylic acid ester, acrylic acid ester and unsaturated hydrocarbon-containing alkoxysilane compound or a hydrolyzate thereof.
- a copolymer with at least one non-sulfonic acid monomer selected from is used as a dopant.
- this is a conductive polymer that is highly conductive and excellent in heat resistance, suitable for use as a solid electrolyte of a solid electrolytic capacitor, and has high conductivity and excellent heat resistance.
- styrene sulfonic acid is used as one component of the monomer for synthesizing the copolymer used as a dopant. This is for providing an anion necessary as a dopant in the portion and for imparting water solubility to the copolymer.
- styrene sulfonic acid is literally a sulfonic acid monomer, it is a non-sulfonic acid monomer, and the copolymer obtained by copolymerizing these non-sulfonic acid monomers with these non-sulfonic acid monomers Is superior to styrene sulfonic acid homopolymer (that is, polystyrene sulfonic acid) as a dopant, and has excellent adhesion to various substrates, high conductivity, and excellent heat resistance.
- styrene sulfonic acid is literally a sulfonic acid monomer, it is a non-sulfonic acid monomer, and the copolymer obtained by copolymerizing these non-sulfonic acid monomers with these non-sulfonic acid monomers Is superior to styrene sulfonic acid homopolymer (that is, polystyrene sulfonic acid) as a dop
- High polymer is obtained, thereby low ESR and reliability under high temperature conditions High become solid electrolytic capacitor is obtained, also, high conductivity, and because the conductive film heat resistance and excellent can be obtained.
- styrene sulfonic acid instead of using styrene sulfonic acid in the monomer state, it is used as a polymer, when the conductive polymer is polymerized using a polymer dopant, the dispersibility or solubility in water or solvent is good, Moreover, it is because the characteristic which is hard to dedope is acquired.
- the conductivity of the conductive polymer may be reduced, and the ESR of the capacitor may be increased.
- the conductivity is increased. This is because the heat resistance and adhesion of the polymer are lowered, the ESR of the capacitor is increased, and the heat resistance may be deteriorated.
- the molecular weight is preferably about 5,000 to 500,000 in terms of weight average molecular weight from the viewpoint of water solubility and characteristics as a dopant, and more preferably about 40,000 to 200,000 in terms of weight average molecular weight.
- the weight average molecular weight of the copolymer when the weight average molecular weight of the copolymer is smaller than the above, the function as a dopant is lowered, and as a result, it is difficult to obtain a conductive polymer having high conductivity and excellent heat resistance.
- the weight average molecular weight is larger than the above, the water solubility is lowered and the handleability may be deteriorated.
- methacrylic acid ester examples include methyl methacrylate, ethyl methacrylate, propyl methacrylate, butyl methacrylate, hexyl methacrylate, stearyl methacrylate, cyclohexyl methacrylate, diphenylbutyl methacrylate, dimethylaminoethyl methacrylate, and methacrylic acid.
- acrylate ester examples include methyl acrylate, ethyl acrylate, propyl acrylate, butyl acrylate, hexyl acrylate, stearyl acrylate, cyclohexyl acrylate, diphenylbutyl acrylate, dimethylaminoethyl acrylate, Acrylic acid such as diethylaminoethyl acrylate, sodium sulfohexyl acrylate, glycidyl acrylate, methyl glycidyl acrylate, hydroxyalkyl acrylate, ie hydroxymethyl acrylate, hydroxyethyl acrylate, hydroxypropyl acrylate, hydroxybutyl acrylate Hydroxyalkyl and the like can be used, but hydroxymethyl acrylate, hydroxyethyl acrylate, hydroxypropyl acrylate, Acrylic acid hydroxyalkyl of 1 to 4 carbon atoms in the alkyl group, such as acrylic acid
- those having a glycidyl group such as glycidyl acrylate and methyl glycidyl acrylate have a structure containing a hydroxyl group by ring opening of the glycidyl group.
- alkyl it is preferable from the viewpoint of characteristics as a dopant when copolymerized with styrenesulfonic acid.
- Examples of the unsaturated hydrocarbon-containing alkoxysilane compound or a hydrolyzate thereof include, for example, 3-methacryloxypropyltrimethoxysilane, 3-methacryloxypropylmethyldimethoxysilane, 3-methacryloxypropyldimethylmethoxysilane, 3- Methacryloxypropyldimethylethoxysilane, 3-methacryloxypropyltriethoxysilane, 3-acryloxypropyltrimethoxysilane, 3-acryloxymethyldimethoxysilane, 3-acryloxymethyldiethoxysilane, 3-acryloxytriethoxysilane, p-styryltrimethoxysilane, p-styryltriethoxysilane, p-styrylmethyldimethoxysilane, vinyltrimethoxysilane, vinyltriethoxysilane, vinylmethyldimethoxy Silane, can be used an unsaturated hydrocarbon containing alkoxysilane compound
- the unsaturated hydrocarbon-containing alkoxysilane compound is the above-mentioned 3-methacryloxypropyltrimethoxysilane
- the hydrolyzate of the unsaturated hydrocarbon-containing alkoxysilane compound is converted into a hydroxyl group by hydrolysis of the methoxy group.
- the resulting structure is 3-methacryloxytrihydroxysilane, or silanes are condensed to form an oligomer, and a compound having a structure in which a methoxy group not used in the reaction is converted into a hydroxyl group is obtained.
- Examples of the unsaturated hydrocarbon-containing alkoxysilane compound include 3-methacryloxypropyltrimethoxysilane, 3-acryloxypropyltrimethoxysilane, p-styryltrimethoxysilane, vinyltrimethoxysilane, and the like. It is preferable from the standpoint of properties as a dopant when copolymerized.
- the copolymer used as a dopant in the synthesis of the conductive polymer is a copolymer of styrene sulfonic acid and an unsaturated hydrocarbon-containing alkoxysilane compound, it was actually used as a dopant for the synthesis of the conductive polymer.
- an aqueous solvent is used in the conductive polymer synthesis step, the alkoxy group of the alkoxysilane compound in the copolymer is hydrolyzed to form a hydroxyl group. .
- the styrene sulfonic acid used as a dopant and at least one kind selected from the group consisting of a methacrylic acid ester, an acrylic acid ester, an unsaturated hydrocarbon-containing alkoxysilane compound or a hydrolyzate thereof.
- the amount of the copolymer used with the sulfonic acid monomer is preferably 1: 0.01 to 1:20 by mass ratio with respect to thiophene or a derivative thereof, and is 1: 0.1 to 1: 2. It is more preferable.
- a copolymer of styrene sulfonic acid and at least one non-sulfonic acid monomer selected from the group consisting of methacrylic acid ester, acrylic acid ester, unsaturated hydrocarbon-containing alkoxysilane compound or a hydrolyzate thereof When the amount is less than the above, there is a possibility that the function of the copolymer as a dopant may not be sufficiently exerted, and even if the amount of the copolymer used is larger than the above, the amount used is increased. Not only the accompanying increase in the effect is hardly observed, but there is a possibility that the conductivity of the obtained conductive polymer is lowered.
- the styrene sulfonic acid shown in (I) a methacrylic acid ester, an acrylic acid ester, and an unsaturated hydrocarbon-containing alkoxysilane compound or a hydrolyzate thereof.
- a copolymer of at least one non-sulfonic acid monomer selected from the group consisting of and a polystyrene sulfonic acid shown in (II) is used in combination, and the polystyrene sulfonic acid has a weight average molecular weight of 10, Those of 000 to 1,000,000 are preferred.
- the weight average molecular weight of the polystyrene sulfonic acid when the weight average molecular weight of the polystyrene sulfonic acid is smaller than 10,000, the conductivity of the obtained conductive polymer may be lowered. Further, when the weight average molecular weight of the polystyrene sulfonic acid is larger than 1,000,000, the viscosity of the conductive polymer dispersion becomes high, which may make it difficult to use in the production of a solid electrolytic capacitor.
- the polystyrene sulfonic acid has a weight average molecular weight within the above range, preferably 20,000 or more, more preferably 40,000 or more, and preferably 800,000 or less. More preferable is 1,000 or less.
- styrene sulfonic acid As described above, as a dopant, styrene sulfonic acid, and at least one non-sulfonic acid monomer selected from the group consisting of methacrylic acid ester, acrylic acid ester and unsaturated hydrocarbon-containing alkoxysilane compound or a hydrolyzate thereof, and
- the conductivity of the conductive polymer is further improved by using the copolymer of styrene and polystyrene sulfonic acid together.
- the ratio with polystyrene sulfonic acid is preferably 1: 0.01 to 0.1: 1 by mass ratio.
- the alkylated ethylenedioxythiophene obtained by modifying the 3,4-ethylenedioxythiophene with an alkyl group will be described in detail.
- the 3,4-ethylenedioxythiophene and the alkylated ethylenedioxythiophene are represented by the following general formula ( It corresponds to the compound represented by 1).
- R is hydrogen or an alkyl group
- R in the general formula (1) is an alkyl group
- the alkyl group is preferably one having 1 to 4 carbon atoms, that is, a methyl group, an ethyl group, a propyl group, or a butyl group.
- a compound in which R in the general formula (1) is a methyl group is represented by the name IUPAC “2-methyl-2,3-dihydro-thieno [3,4-b] [1,4 Dioxin (2-Methyl-2,3-dihydro-thieno [3,4-b] [1,4] dioxine) ”, which will be simplified and represented as“ methylated ethylenedioxythiophene ”hereinafter. To do.
- R in the general formula (1) is a butyl group
- R in the general formula (1) is a butyl group
- IUPAC name “2-butyl-2,3-dihydro-thieno [3,4-b] [1,4] dioxin
- 2,Butyl-2,3-dihydro-thieno [3,4-b] [1,4] dioxine) which will be simplified and represented as“ butylated ethylenedioxythiophene ”.
- the oxidative polymerization of thiophene or a derivative thereof, or the oxidative polymerization of thiophene or a derivative thereof using the above copolymer and polystyrene sulfonic acid is performed in water or an aqueous solution of water and a water-miscible solvent.
- water-miscible solvent constituting the aqueous liquid examples include methanol, ethanol, propanol, acetone, acetonitrile, and the like.
- the mixing ratio of these water-miscible solvents with water is 50 in the entire aqueous liquid. The mass% or less is preferable.
- persulfate is used as an oxidizing agent in performing chemical oxidative polymerization.
- the persulfate include ammonium persulfate, sodium persulfate, potassium persulfate, calcium persulfate, and barium persulfate. Is used.
- the conditions during the polymerization are not particularly limited, but the temperature during chemical oxidative polymerization is preferably 5 ° C. to 95 ° C., more preferably 10 ° C. to 30 ° C., and polymerization
- the time is preferably 1 hour to 72 hours, more preferably 8 hours to 24 hours.
- Electrolytic oxidation polymerization is be carried out even at a constant voltage at a constant current, for example, when performing electrolytic oxidation polymerization at a constant current, preferably 0.05mA / cm 2 ⁇ 10mA / cm 2 as the current value, 0.2 mA / cm 2 to 4 mA / cm 2 is more preferable.
- the voltage is preferably 0.5 V to 10 V, more preferably 1.5 V to 5 V.
- the temperature during the electrolytic oxidation polymerization is preferably 5 ° C to 95 ° C, particularly preferably 10 ° C to 30 ° C.
- the polymerization time is preferably 1 hour to 72 hours, more preferably 8 hours to 24 hours.
- ferrous sulfate or ferric sulfate may be added as a catalyst.
- the conductive polymer obtained as described above is obtained immediately after polymerization in a state of being dispersed in water or an aqueous liquid, and includes persulfate as an oxidizing agent, iron sulfate used as a catalyst, and decomposition products thereof. Contains. Therefore, it is preferable to remove the metal component with a cation exchange resin after the impurities are dispersed by applying a dispersion of the conductive polymer containing the impurities to a dispersing machine such as an ultrasonic homogenizer, a high-pressure homogenizer, or a planetary ball mill.
- a dispersing machine such as an ultrasonic homogenizer, a high-pressure homogenizer, or a planetary ball mill.
- the particle size of the conductive polymer at this time is a particle size measured by a dynamic light scattering method, preferably 100 ⁇ m or less, particularly preferably 10 ⁇ m or less, preferably 10 nm or more, particularly preferably 100 nm or more.
- a dynamic light scattering method preferably 100 ⁇ m or less, particularly preferably 10 ⁇ m or less, preferably 10 nm or more, particularly preferably 100 nm or more.
- the styrene sulfonic acid shown in (I) a methacrylic acid ester, an acrylic acid ester, and an unsaturated hydrocarbon-containing alkoxysilane compound or a hydrolyzate thereof.
- the sulfonated polyester is a polycondensation product of dicarboxybenzenesulfonic acid diester such as sulfoisophthalic acid ester or sulfoterephthalic acid ester and alkylene glycol in the presence of a catalyst such as antimony oxide or zinc oxide.
- the modified polyester preferably has a weight average molecular weight of 5,000 to 300,000.
- phenolsulfonic acid novolak resin for example, the following general formula (2) (Wherein R 1 is hydrogen or a methyl group)
- R 1 is hydrogen or a methyl group
- the phenolsulfonic acid novolak resin having a weight average molecular weight of 5,000 to 500,000 is preferable.
- oxidative polymerization using a copolymer of at least one non-sulfonic acid monomer selected from the group consisting of an unsaturated silane-containing alkoxysilane compound or a hydrolyzate thereof as a dopant, water or water It is carried out in an aqueous liquid composed of a mixture with a water-miscible solvent, and similarly, both chemical oxidative polymerization and electrolytic oxidative polymerization can be employed.
- the conditions during the polymerization are also thiophene or its derivatives using the copolymer as a dopant. Use the same conditions as for oxidative polymerization of Can.
- the conductive polymer dispersion of the present invention may contain a high boiling point organic solvent having a boiling point of 150 ° C. or higher or a saccharide as a conductivity improver.
- a conductive improver is contained in the conductive polymer dispersion, the conductivity of the conductive polymer film obtained by drying the conductive polymer dispersion is improved.
- ESR of a solid electrolytic capacitor using the conductive polymer as a solid electrolyte can be lowered.
- the conductivity of the conductive polymer coating obtained by drying the conductive polymer dispersion can be improved. Since it improves, the electroconductivity of the electroconductive film produced with the said conductive polymer is improved more.
- a high boiling point organic solvent or saccharide having a boiling point of 150 ° C. or higher is used.
- the high boiling point organic solvent having a boiling point of 150 ° C. or higher include dimethyl sulfoxide, butanediol, Butyrolactone, sulfolane, N-methylpyrrolidone, dimethylsulfone, ethylene glycol, diethylene glycol, polyethylene glycol and the like are preferable.
- the saccharide include erythritol, glucose, mannose, and pullulan. Is particularly preferably dimethyl sulfoxide or butanediol.
- the addition amount of such a conductivity improver is 5 to 3,000% on a mass basis with respect to the conductive polymer in the dispersion (that is, the conductivity improver with respect to 100 parts by mass of the conductive polymer). Is preferably 5 to 3,000 parts by mass), particularly preferably 20 to 700%.
- the addition amount of the conductivity improver is less than the above, there is a possibility that the effect of improving the conductivity is not sufficiently exhibited.
- the addition amount of the conductivity improver is more than the above, it takes time to dry the dispersion. May be required, and on the contrary, there is a risk of causing a decrease in conductivity.
- the content of the conductive polymer in the dispersion affects the workability when the capacitor element is immersed in the conductive polymer dispersion and taken out, it is usually about 0.5 to 15% by mass. Is preferred. In other words, if the content of the conductive polymer is less than the above, it may take time to dry, and if the content of the conductive polymer is more than the above, the viscosity of the dispersion is high. Thus, workability in producing the solid electrolytic capacitor may be reduced.
- the dispersion of the conductive polymer of the present invention is particularly suitable for use in the production of a solid electrolytic capacitor. This is because the conductive polymer obtained by drying the dispersion of the conductive polymer of the present invention has high conductivity and excellent heat resistance, so that when it is used as a solid electrolyte, ESR is This is because a solid electrolytic capacitor that is low and has high reliability when used under high temperature conditions can be obtained.
- the conductive polymer obtained by drying may be used as the solid electrolyte of the solid electrolytic capacitor. It is preferable to use the conductive polymer obtained by immersing the capacitor element in the conductive polymer dispersion, taking it out and drying it as a solid electrolyte.
- Polyester polyurethane, acrylic resin, sulfonated polyester, sulfonated polyallyl, sulfonated polyvinyl, sulfonated polystyrene and the like are preferable, and sulfonated polyester and sulfonated are particularly preferable.
- the capacitor element is immersed in a liquid containing a polymerizable monomer and an oxidizing agent, taken out, dried, polymerized, and then immersed in water. Then, after the conductive polymer is synthesized by so-called “in-situ polymerization” by taking out, washing and drying, the whole is immersed in the conductive polymer dispersion of the present invention, taken out and dried. The operation may be repeated to form a solid electrolyte layer comprising the conductive polymer of the present invention, or vice versa.
- the capacitor element covered with the conductive polymer is covered with carbon paste, silver paste, and then packaged to obtain a tantalum solid electrolytic capacitor, niobium solid electrolytic capacitor, multilayer aluminum solid electrolytic capacitor, etc. It can also be produced.
- the conductive polymer dispersion of the present invention is used in the production of a wound aluminum solid electrolytic capacitor, for example, an anode in which the surface of an aluminum foil is etched and then subjected to chemical conversion to form a dielectric layer
- a capacitor element produced by attaching a lead terminal to a cathode made of aluminum foil and attaching the lead terminal to an anode made of aluminum foil and winding the anode and cathode with the lead terminal through a separator is dispersed in the conductive polymer of the present invention.
- a conductive polymer obtained by drying the dispersion of the conductive polymer of the present invention (as described above, this may be simplified and referred to as “conductive polymer of the present invention”).
- conductive polymer of the present invention Has a high conductivity suitable for use as a solid electrolyte of a solid electrolytic capacitor and excellent heat resistance, and also has high transparency.
- Antistatic film can be used in the production of an antistatic material such as an antistatic cloth or an antistatic resin.
- the conductive polymer of the present invention can be used as a positive electrode active material for batteries, a base resin for anticorrosion paints, etc., in addition to these uses, utilizing such characteristics.
- the conductive polymer dispersion is applied to the base sheet or the base sheet is made conductive. Immerse it in a polymer dispersion, take it out, dry it to form a conductive film, and peel off the film from the base sheet, but rather form it on one or both sides of the base sheet. It may be more suitable to use the conductive film as a conductive sheet (antistatic sheet) using the base sheet as a supporting material without peeling off the conductive film from the base sheet.
- the conductive polymer dispersion is applied to the cloth, or the cloth is coated with a conductive polymer dispersion. After dipping in, taking out, it may be dried.
- the conductive polymer for the base sheet or cloth is added. It is preferable because the adhesion can be improved.
- styrene sulfonic acid used as a dopant in the examples, a methacrylic acid ester, an acrylic acid ester, an unsaturated hydrocarbon-containing alkoxysilane compound, or a hydrolyzate thereof.
- Production examples of copolymers with sulfonic acid monomers are shown in Production Examples 1 to 13.
- the composition of a copolymer it displays by the mass ratio of the monomer at the time of use start.
- Organo's cation exchange resin [Amberlite 120B (trade name)] was added to the reaction solution, and the mixture was stirred for 1 hour with a stirrer. The mixture was filtered through 131, and the treatment with this cation exchange resin and filtration were repeated three times to remove all cation components in the liquid.
- HPLC High (performance liquid) using a GPC (Gel Permeation Chromatography: gel filtration chromatography, hereinafter, only “GPC”) column was used.
- GPC Gel Permeation Chromatography: gel filtration chromatography, hereinafter, only “GPC”
- Production Example 2 Production of a copolymer having a mass ratio of styrene sulfonic acid to hydroxyethyl methacrylate of 8: 2 will be described.
- Organo's cation exchange resin [Amberlite 120B (trade name)] was added to the reaction solution, and the mixture was stirred for 1 hour with a stirrer. The mixture was filtered through 131, and the treatment with this cation exchange resin and filtration were repeated three times to remove all cation components in the liquid.
- the weight average molecular weight estimated using dextran of the copolymer as a standard was 90,000.
- Organo's cation exchange resin [Amberlite 120B (trade name)] was added to the reaction solution, and the mixture was stirred for 1 hour with a stirrer. The mixture was filtered through 131, and the treatment with this cation exchange resin and filtration were repeated three times to remove all cation components in the liquid.
- the weight average molecular weight estimated using dextran of the copolymer as a standard was 90,000.
- Production Example 4 Production of a copolymer having a mass ratio of styrene sulfonic acid to glycidyl methacrylate of 9: 1 will be described.
- Organo's cation exchange resin [Amberlite 120B (trade name)] was added to the reaction solution, and the mixture was stirred for 1 hour with a stirrer. The mixture was filtered through 131, and the treatment with this cation exchange resin and filtration were repeated three times to remove all cation components in the liquid.
- the weight average molecular weight estimated using dextran of the copolymer as a standard was 80,000.
- Organo cation exchange resin [Amberlite 120B (trade name)] was added and stirred with a stirrer for 1 hour. The mixture was filtered through 131, and the treatment with this cation exchange resin and filtration were repeated three times to remove all cation components in the liquid.
- Organo's cation exchange resin [Amberlite 120B (trade name)] was added to the reaction solution, and the mixture was stirred for 1 hour with a stirrer. The mixture was filtered through 131, and the treatment with this cation exchange resin and filtration were repeated three times to remove all cation components in the liquid.
- Production Example 7 production of a copolymer having a mass ratio of 9.8: 0.2 of styrene sulfonic acid to hydroxypropyl methacrylate will be described.
- the weight average molecular weight estimated using dextran of the copolymer as a standard was 100,000.
- the weight average molecular weight estimated using dextran of the copolymer as a standard was 90,000.
- Production Example 9 production of a copolymer having a mass ratio of styrene sulfonic acid to hydroxypropyl methacrylate of 9: 1 will be described.
- the weight average molecular weight estimated using dextran of the copolymer as a standard was 90,000.
- the obtained copolymer of styrene sulfonic acid and 3-methacryloxypropyltrimethoxysilane was analyzed using an HPLC system using a GPC column, and as a result, dextran of the copolymer was estimated as a standard product.
- the weight average molecular weight was 70,000.
- the weight average molecular weight estimated using dextran of the copolymer as a standard was 80,000.
- this Production Example 12 the production of a copolymer having a mass ratio of styrenesulfonic acid and 3-acryloxypropyltrimethoxysilane of 9: 1 will be described.
- the resulting copolymer of styrene sulfonic acid and 3-acryloxypropyltrimethoxysilane was analyzed using an HPLC system using a GPC column, and as a result, dextran of the above copolymer was estimated as a standard product.
- the weight average molecular weight was 80,000.
- the resulting copolymer of styrene sulfonic acid and p-styryltrimethoxysilane was analyzed using an HPLC system using a GPC column. As a result, the weight average estimated using dextran of the copolymer as a standard was obtained. The molecular weight was 90,000.
- Examples 1 to 52 of the examples are methacrylic acid esters and acrylic acid as non-sulfonic acid monomers to be copolymerized with styrene sulfonic acid in the synthesis of copolymers used as dopants.
- the case where an ⁇ -unsaturated carboxylic acid ester such as an ester is used is shown.
- Examples 1 to 20 relate to conductive polymer dispersions
- Examples 21 to 44 relate to a wound aluminum solid electrolytic capacitor
- Examples 45 to 52 relate to a tantalum solid electrolytic capacitor.
- Example 1 600 g of a 4% aqueous solution of a copolymer having a mass ratio of 9: 1 of styrenesulfonic acid and hydroxyethyl methacrylate obtained in Production Example 1 is placed in a stainless steel container having an internal volume of 1 L, and the catalyst is first sulfuric acid as a catalyst. 0.3 g of iron heptahydrate was added and dissolved. 4 mL of 3,4-ethylenedioxythiophene was slowly added dropwise thereto.
- the mixture was stirred with a stainless steel stirring spring, an anode was attached to the container, a cathode was attached to the stirring spring, and electrolytic oxidation polymerization was performed at a constant current of 1 mA / cm 2 for 18 hours to synthesize a conductive polymer.
- electrolytic oxidation polymerization it was diluted 4 times with water, and then subjected to a dispersion treatment with an ultrasonic homogenizer [manufactured by Nippon Seiki Co., Ltd., US-T300 (trade name)] for 30 minutes.
- Organo Cation Exchange Resin [Amberlite 120B (trade name)] was added and stirred for 1 hour with a stirrer. The mixture was filtered through 131, and the treatment with this cation exchange resin and filtration were repeated three times to remove all cation components in the liquid.
- the treated liquid is passed through a filter having a pore size of 1 ⁇ m, and the passing liquid is treated with an ultrafiltration apparatus (VivafIow200 (trade name), molecular weight fraction 50,000, manufactured by Sartorius Co., Ltd.). Ingredients were removed.
- the liquid after this treatment is diluted with water to adjust the concentration of the conductive polymer to 3%, and 4 g of butanediol is added as a conductivity improver to 40 g of the 3% solution to obtain a conductivity improver. A dispersion of conductive polymer to which the butanediol was added was obtained. The amount of butanediol added was 333% with respect to the conductive polymer.
- Example 2 Instead of the copolymer obtained in Production Example 1, Example 1 was used except that the copolymer having a mass ratio of styrene sulfonic acid and hydroxyethyl methacrylate obtained in Production Example 2 was 8: 2. The same operation was performed to obtain a conductive polymer dispersion. In Example 2, all of the same operations as in Example 1 were performed to obtain a conductive polymer dispersion. Therefore, the conductive polymer dispersion of Example 2 includes As in the case of 1, butanediol is added. The addition of such butanediol is also carried out in the same manner for the conductive polymer dispersions after Example 3 shown below.
- Example 3 Instead of the copolymer obtained in Production Example 1, Example 1 was used except that the copolymer having a mass ratio of styrene sulfonic acid and hydroxyethyl methacrylate obtained in Production Example 3 was 4: 6. The same operation was performed to obtain a conductive polymer dispersion.
- Example 4 In place of the copolymer obtained in Production Example 1, all were the same as in Example 1 except that the copolymer having a mass ratio of styrene sulfonic acid and glycidyl methacrylate obtained in Production Example 4 was 9: 1. Thus, a conductive polymer dispersion was obtained.
- Example 5 Instead of the copolymer obtained in Production Example 1, Example 1 was used except that the copolymer having a mass ratio of 9: 1 styrenesulfonic acid and hydroxyethyl acrylate obtained in Production Example 5 was used. The same operation was performed to obtain a conductive polymer dispersion.
- Example 6 instead of the copolymer obtained in Production Example 1, Example 1 was used except that the copolymer having a mass ratio of styrenesulfonic acid and hydroxyethyl acrylate obtained in Production Example 6 was 8: 2. The same operation was performed to obtain a conductive polymer dispersion.
- Example 7 Instead of 600 g of the 4% aqueous solution of the copolymer obtained in Production Example 1, 300 g of the 4% aqueous solution of the copolymer having a mass ratio of styrene sulfonic acid and hydroxyethyl methacrylate obtained in Production Example 1 of 9: 1 A conductive polymer dispersion was obtained in the same manner as in Example 1 except that a mixture of 300% 4% aqueous solution of polystyrene sulfonic acid (weight average molecular weight 100,000) manufactured by Teika Co. was used. .
- Example 8 Instead of 600 g of the 4% aqueous solution of the copolymer obtained in Production Example 1, 300 g of the 4% aqueous solution of the copolymer having a mass ratio of styrene sulfonic acid and hydroxyethyl methacrylate obtained in Production Example 2 of 8: 2; A conductive polymer dispersion was obtained in the same manner as in Example 1 except that a mixture of 300% 4% aqueous solution of polystyrene sulfonic acid (weight average molecular weight 100,000) manufactured by Teika Co. was used. .
- Example 9 Instead of 600 g of the 4% aqueous solution of the copolymer obtained in Production Example 1, 300 g of the 4% aqueous solution of the copolymer having a mass ratio of styrene sulfonic acid and hydroxyethyl methacrylate obtained in Production Example 3 of 4: 6 A conductive polymer dispersion was obtained in the same manner as in Example 1 except that a mixture of 300% 4% aqueous solution of polystyrene sulfonic acid (weight average molecular weight 100,000) manufactured by Teika Co. was used. .
- Example 10 instead of 600 g of the 4% aqueous solution of the copolymer obtained in Production Example 1, 300 g of the 4% aqueous solution of the copolymer having a mass ratio of styrene sulfonic acid and glycidyl methacrylate obtained in Production Example 4 of 9: 1 and Taca A conductive polymer dispersion was obtained in the same manner as in Example 1 except that a mixed solution with 300 g of a 4% aqueous solution of polystyrene sulfonic acid (weight average molecular weight 100,000) manufactured by KK was used.
- a mixed solution with 300 g of a 4% aqueous solution of polystyrene sulfonic acid (weight average molecular weight 100,000) manufactured by KK was used.
- Example 11 Instead of 600 g of the 4% aqueous solution of the copolymer obtained in Production Example 1, 300 g of the 4% aqueous solution of the copolymer having a mass ratio of styrene sulfonic acid and hydroxyethyl acrylate obtained in Production Example 5 of 9: 1 A conductive polymer dispersion was obtained in the same manner as in Example 1 except that a mixture of 300% 4% aqueous solution of polystyrene sulfonic acid (weight average molecular weight 100,000) manufactured by Teika Co. was used. .
- Example 12 Instead of 600 g of the 4% aqueous solution of the copolymer obtained in Production Example 1, 300 g of the 4% aqueous solution of the copolymer having a mass ratio of styrenesulfonic acid and hydroxyethyl acrylate obtained in Production Example 6 of 8: 2; A conductive polymer dispersion was obtained in the same manner as in Example 1 except that a mixture of 300% 4% aqueous solution of polystyrene sulfonic acid (weight average molecular weight 100,000) manufactured by Teika Co. was used. .
- Example 13 Instead of 600 g of the 4% aqueous solution of the copolymer obtained in Production Example 1, 300 g of the 4% aqueous solution of the copolymer having a mass ratio of styrene sulfonic acid and hydroxyethyl methacrylate obtained in Production Example 2 of 8: 2; 225 g of 4% aqueous solution of polystyrene sulfonic acid (weight average molecular weight 100,000) manufactured by Teika Co., Ltd.
- Example 2 phenol sulfonic acid novolak resin [manufactured by Konishi Chemical Industry Co., Ltd., weight average molecular weight 60,000, R 1 in the general formula (2) is hydrogen
- a mixed solution of 75% of 4% aqueous solution was used to obtain a conductive polymer dispersion.
- Example 14 a conductive polymer dispersion having a sulfonated polyester as a dopant for mixing with the conductive polymer dispersion obtained in Example 1 was first obtained as follows.
- the treated liquid is passed through a filter having a pore size of 1 ⁇ m, and the passing liquid is treated with an ultrafiltration apparatus (Vivaflow 200 (trade name) manufactured by Sartorius, molecular weight fraction 50,000) to give free low molecules in the liquid. Ingredients were removed.
- the liquid after this treatment is diluted with water to adjust the concentration of the conductive polymer to 3%, 4 g of butanediol is added as a conductivity improver to 40 g of the 3% liquid, and the sulfonated polyester is used as a dopant.
- a dispersion of a conductive polymer to which butanediol as a conductivity improver was added was obtained.
- the amount of butanediol added was 333% with respect to the conductive polymer.
- Example 15 The same operation as in Example 14 was performed except that 40 g of the conductive polymer dispersion obtained in Example 2 was used instead of 40 g of the conductive polymer dispersion obtained in Example 1. A liquid mixture of conductive polymer dispersions using different dopants was obtained.
- Example 16 The same operation as in Example 14 was performed except that 40 g of the conductive polymer dispersion obtained in Example 3 was used instead of 40 g of the conductive polymer dispersion obtained in Example 1. A liquid mixture of conductive polymer dispersions using different dopants was obtained.
- Example 17 The same operations as in Example 14 were performed except that 40 g of the conductive polymer dispersion obtained in Example 4 was used instead of 40 g of the conductive polymer dispersion obtained in Example 1. A liquid mixture of conductive polymer dispersions using different dopants was obtained.
- Example 18 The same operation as in Example 14 was performed except that 40 g of the conductive polymer dispersion obtained in Example 5 was used instead of 40 g of the conductive polymer dispersion obtained in Example 1. A mixture of conductive polymer dispersions was obtained using different dopants.
- Example 19 The same operation as in Example 14 was performed except that 40 g of the conductive polymer dispersion obtained in Example 6 was used instead of 40 g of the conductive polymer dispersion obtained in Example 1. A liquid mixture of conductive polymer dispersions using different dopants was obtained.
- Example 20 The same operation as in Example 14 was performed except that 40 g of the conductive polymer dispersion obtained in Example 8 was used instead of 40 g of the conductive polymer dispersion obtained in Example 1. A liquid mixture of conductive polymer dispersions using different dopants was obtained.
- Comparative Example 1 Instead of 600 g of a 4% aqueous solution of a copolymer of styrene sulfonic acid and hydroxyethyl methacrylate obtained in Production Example 1 having a mass ratio of 9: 1, polystyrene sulfonic acid (manufactured by Teika, weight average molecular weight 100,000) is used. Except that 600 g of 4% aqueous solution was used, the same operation as in Example 1 was performed to obtain a dispersion of a conductive polymer to which butanediol as a conductivity improver was added.
- Comparative Example 2 Instead of 600 g of a 4% aqueous solution of a copolymer of styrene sulfonic acid and hydroxyethyl methacrylate obtained in Production Example 1 having a mass ratio of 9: 1, polystyrene sulfonic acid (manufactured by Teika, weight average molecular weight 100,000) is used.
- Examples 21 to 32 and Comparative Examples 3 to 4 In Examples 21 to 32 and Comparative Examples 3 to 4, a wound aluminum solid electrolytic capacitor was prepared as shown below, and its characteristics were evaluated. Based on the evaluation results, Examples 1 to Twelve conductive polymer dispersions and comparative polymer dispersions of Comparative Examples 1 and 2 were evaluated.
- a lead terminal is attached to the anode on which the dielectric layer is formed by performing a chemical conversion treatment, and the lead terminal is attached to the cathode made of aluminum foil.
- Examples 21 to 32 and Comparative Examples 3 to 4 Twenty capacitor elements are prepared for each of Examples 21 to 32 and Comparative Examples 3 to 4, and the capacitor elements are separately provided in the conductive polymer dispersions of Examples 1 to 12 and Comparative Examples 1 to 2, respectively.
- the sample was dipped for 10 minutes, taken out, and dried at 150 ° C. for 30 minutes. By repeating these operations three times, a solid electrolyte layer made of a conductive polymer was formed. This was covered with an exterior material to produce a total of 20 wound aluminum solid electrolytic capacitors of Examples 21 to 32 and Comparative Examples 3 to 4.
- ESR and capacitance were measured, leakage current was measured, and leakage current failure occurred. I investigated. The results are shown in Table 1 together with the types of conductive polymer dispersions used.
- a method for measuring ESR, capacitance and leakage current, and a method for evaluating occurrence of a leakage current failure are as follows.
- ESR Using an LCR meter (4284A) manufactured by HEWLETT PACKARD, measurement is performed at 100 kHz under the condition of 25 ° C.
- Capacitance Using an LCR meter (4284A) manufactured by HEWLETT PACKARD, measurement is performed at 120 Hz under the condition of 25 ° C.
- Leak current After applying a rated voltage of 35 V to a wound aluminum solid electrolytic capacitor at 25 ° C. for 60 seconds, the leakage current is measured with a digital oscilloscope. Occurrence of leakage current failure: In the measurement of the leakage current, if the leakage current is 100 ⁇ A or more, it is determined that a leakage current failure has occurred.
- the samples were placed in a constant temperature bath at 150 ° C. while applying a rated voltage of 35 V to the wound aluminum solid electrolytic capacitors of Examples 21 to 32 and Comparative Examples 3 to 4 (each 10 pieces) after the above characteristic measurement.
- ESR and capacitance were measured in the same manner as described above. For those whose leakage current exceeded 500 ⁇ A during the storage period, they were regarded as short-circuit failures (short-circuit generation failures).
- the results are shown in Table 2. However, regarding the short-circuit failure, the total number of capacitors subjected to the test is shown in the denominator, and the number of capacitors in which the short-circuit failure has occurred is displayed in the numerator.
- the wound aluminum solid electrolytic capacitors of Examples 21 to 32 are comparative examples 3
- the ESR was lower (smaller) than the capacitors of ⁇ 4, and no leakage current failure occurred as in the capacitors of Comparative Examples 3-4.
- the capacitors of Examples 21 to 32 had lower ESR than the capacitors of Comparative Examples 3 to 4 even after being stored in a thermostat at 150 ° C. for 100 hours.
- the increase in ESR due to storage at high temperature is small, and there is no occurrence of short circuit failure as in the capacitors of Comparative Examples 3 to 4, and reliability in use under high temperature conditions. Was high.
- Examples 33 to 44 and Comparative Examples 5 to 6 a wound aluminum solid electrolytic capacitor using a solid electrolyte composed of a conductive polymer and an electrolytic solution is manufactured and its characteristics are evaluated.
- an electrolytic solution is used in addition to the solid electrolyte made of a conductive polymer.
- these capacitors are also wound. Expressed as a revolving aluminum solid electrolytic capacitor.
- a lead terminal is attached to the anode on which the dielectric layer is formed by performing a chemical conversion treatment, and the lead terminal is attached to the cathode made of aluminum foil.
- the wound aluminum solid electrolytic capacitors of Examples 33 to 44 are shown in Comparative Example 5.
- the ESR was lower (smaller) than the capacitors of ⁇ 6, and no leakage current failure occurred as in the capacitors of Comparative Examples 5-6.
- the capacitors of Examples 33 to 44 had lower ESR than the capacitors of Comparative Examples 5 to 6 even after being stored in a thermostat at 150 ° C. for 100 hours.
- the increase in ESR due to storage at high temperature is small, and there is no occurrence of short circuit like the capacitors of Comparative Examples 5 to 6, and reliability in use under high temperature conditions. Was high.
- Example 45 In this Example 45 and subsequent Examples 46 to 52 and Comparative Examples 7 to 8, tantalum solid electrolytic capacitors are produced and their characteristics are evaluated.
- the capacitor element was immersed in an ethanol solution of 3,4-ethylenedioxythiophene solution having a concentration of 35%, taken out after 1 minute, and left for 5 minutes. Thereafter, an oxidizer / dopant solution consisting of a mixture prepared by mixing a 50% phenol butylamine sulfonate aqueous solution (pH 5) and a 30% ammonium persulfate aqueous solution prepared in advance at a mass ratio of 1: 1. It was immersed, taken out after 30 seconds, allowed to stand at room temperature for 30 minutes, and then heated at 50 ° C. for 10 minutes for polymerization. After the polymerization, the capacitor element was immersed in water and allowed to stand for 30 minutes, then taken out and dried at 70 ° C. for 30 minutes. This operation was repeated 6 times to form a solid electrolyte layer made of a conductive polymer on the capacitor element.
- the capacitor element in which the solid electrolyte layer composed of the conductive polymer by so-called “in-situ polymerization” was formed as described above was immersed in the conductive polymer dispersion obtained in Example 13 and taken out after 30 seconds. And dried at 150 ° C. for 30 minutes. This operation was repeated three times and then left at 150 ° C. for 60 minutes to form a solid electrolyte layer made of the conductive polymer of the present invention. Thereafter, the solid electrolyte layer was covered with carbon paste and silver paste to produce a tantalum solid electrolytic capacitor.
- Example 46 A tantalum solid electrolytic capacitor was manufactured in the same manner as in Example 45 except that the conductive polymer dispersion of Example 14 was used instead of the conductive polymer dispersion of Example 13. did.
- Example 47 A tantalum solid electrolytic capacitor was manufactured in the same manner as in Example 45 except that the conductive polymer dispersion of Example 15 was used instead of the conductive polymer dispersion of Example 13. did.
- Example 48 A tantalum solid electrolytic capacitor was manufactured in the same manner as in Example 45 except that the conductive polymer dispersion of Example 16 was used instead of the conductive polymer dispersion of Example 13. did.
- Example 49 A tantalum solid electrolytic capacitor was manufactured in the same manner as in Example 45 except that the conductive polymer dispersion of Example 17 was used instead of the conductive polymer dispersion of Example 13. did.
- Example 50 A tantalum solid electrolytic capacitor was produced in the same manner as in Example 45 except that the conductive polymer dispersion of Example 18 was used instead of the conductive polymer dispersion of Example 13. did.
- Example 51 A tantalum solid electrolytic capacitor was produced in the same manner as in Example 45 except that the conductive polymer dispersion of Example 19 was used instead of the conductive polymer dispersion of Example 13. did.
- Example 52 A tantalum solid electrolytic capacitor was produced in the same manner as in Example 45 except that the conductive polymer dispersion of Example 20 was used instead of the conductive polymer dispersion of Example 13. did.
- Comparative Example 7 A tantalum solid electrolytic capacitor was produced in the same manner as in Example 45 except that the conductive polymer dispersion of Comparative Example 1 was used instead of the conductive polymer dispersion of Example 13. did.
- Comparative Example 8 A tantalum solid electrolytic capacitor was produced in the same manner as in Example 45 except that the conductive polymer dispersion of Comparative Example 2 was used instead of the conductive polymer dispersion of Example 13. did.
- the tantalum solid electrolytic capacitors of Examples 45 to 52 are compared with the capacitors of Comparative Examples 7 to 8.
- the ESR was low and the characteristics as a capacitor were excellent.
- the capacitors of Examples 45 to 52 had lower ESR than the capacitors of Comparative Examples 7 to 8 even after storage at 125 ° C. for 100 hours.
- the capacitors of Examples 45 to 52 showed little increase in ESR due to storage at high temperature, indicating high reliability in use under high temperature conditions.
- Examples 53 to 64 relate to conductive polymer dispersions
- Examples 65 to 80 relate to a wound aluminum solid electrolytic capacitor
- Examples 81 to 84 relate to a tantalum solid electrolytic capacitor.
- Example 53 In place of the copolymer obtained in Production Example 1 except that the copolymer having a mass ratio of 9: 1 styrenesulfonic acid and 3-methacryloxypropyltrimethoxysilane obtained in Production Example 10 was used. The same operation as in Example 1 was performed to obtain a conductive polymer dispersion. In Example 53, the same operation as in Example 1 was performed to obtain a conductive polymer dispersion. Therefore, the conductive polymer dispersion of Example 53 includes As in the case of 1, butanediol is added. The addition of such butanediol is also performed in the same manner for the conductive polymer dispersions after Example 54 shown below.
- Example 54 In place of the copolymer obtained in Production Example 1, Example 1 was used except that the copolymer having a mass ratio of styrene sulfonic acid and vinyltrimethoxysilane obtained in Production Example 11 was 9: 1. The same operation was performed to obtain a conductive polymer dispersion.
- Example 55 In place of the copolymer obtained in Production Example 1 except that the copolymer having a mass ratio of styrene sulfonic acid and 3-acryloxypropyltrimethoxysilane obtained in Production Example 12 of 9: 1 was used. The same operation as in Example 1 was performed to obtain a conductive polymer dispersion.
- Example 56 Examples were used in place of the copolymer obtained in Production Example 1 except that the copolymer having a mass ratio of styrene sulfonic acid and p-styryltrimethoxysilane obtained in Production Example 13 of 9: 1 was used. The same operation as in No. 1 was performed to obtain a conductive polymer dispersion.
- Example 57 Instead of 600 g of the 4% aqueous solution of the copolymer obtained in Production Example 1, 4% of the copolymer having a mass ratio of 9: 1 styrenesulfonic acid and 3-methacryloxypropyltrimethoxysilane obtained in Production Example 10 was obtained. Dispersion of the conductive polymer was carried out in the same manner as in Example 1 except that a mixed solution of 300 g of a 100% aqueous solution and 300 g of a 4% aqueous solution of polystyrenesulfonic acid (weight average molecular weight 100,000) manufactured by Teika was used. A liquid was obtained.
- Example 58 Instead of 600 g of the 4% aqueous solution of the copolymer obtained in Production Example 1, 300 g of the 4% aqueous solution of the copolymer having a mass ratio of styrene sulfonic acid and vinyltrimethoxysilane obtained in Production Example 11 of 9: 1 A conductive polymer dispersion was obtained in the same manner as in Example 1 except that a mixture of 300% 4% aqueous solution of polystyrene sulfonic acid (weight average molecular weight 100,000) manufactured by Teika Co. was used. .
- Example 59 Instead of 600 g of the 4% aqueous solution of the copolymer obtained in Production Example 1, 4% of the copolymer having a mass ratio of 9: 1 styrenesulfonic acid and 3-acryloxypropyltrimethoxysilane obtained in Production Example 12 was obtained. Dispersion of the conductive polymer was carried out in the same manner as in Example 1 except that a mixed solution of 300 g of a 100% aqueous solution and 300 g of a 4% aqueous solution of polystyrenesulfonic acid (weight average molecular weight 100,000) manufactured by Teika was used. A liquid was obtained.
- Example 60 Instead of 600 g of the 4% aqueous solution of the copolymer obtained in Production Example 1, a 4% aqueous solution of the copolymer having a mass ratio of styrene sulfonic acid and p-styryltrimethoxysilane obtained in Production Example 13 of 9: 1 was used. Except for using a mixed solution of 300 g and a 4% aqueous solution of polystyrene sulfonic acid (weight average molecular weight 100,000) manufactured by Teika Co., Ltd., all operations were performed in the same manner as in Example 1 to obtain a conductive polymer dispersion. Obtained.
- Example 61 The same operation as in Example 14 was performed except that 40 g of the conductive polymer dispersion obtained in Example 53 was used instead of 40 g of the conductive polymer dispersion obtained in Example 1. A liquid mixture of conductive polymer dispersions using different dopants was obtained.
- Example 62 The same operation as in Example 14 was performed except that 40 g of the conductive polymer dispersion obtained in Example 54 was used instead of 40 g of the conductive polymer dispersion obtained in Example 1. A liquid mixture of conductive polymer dispersions using different dopants was obtained.
- Example 63 The same operations as in Example 14 were performed except that 40 g of the conductive polymer dispersion obtained in Example 55 was used instead of 40 g of the conductive polymer dispersion obtained in Example 1. A liquid mixture of conductive polymer dispersions using different dopants was obtained.
- Example 64 The same operation as in Example 14 was performed except that 40 g of the conductive polymer dispersion obtained in Example 56 was used instead of 40 g of the conductive polymer dispersion obtained in Example 1. A liquid mixture of conductive polymer dispersions using different dopants was obtained.
- Examples 65-72 and Comparative Examples 9-10 In this evaluation (3) with the wound aluminum solid electrolytic capacitor, the wound aluminum solid electrolytic capacitors of Examples 65 to 72 were prepared using the conductive polymer dispersions of Examples 53 to 60 described above. For comparison with them, a wound aluminum solid electrolytic capacitor of Comparative Example 9 was prepared in the same manner as in Examples 65 to 72 using the conductive polymer of Comparative Example 1 using polystyrene sulfonic acid as a dopant.
- Example 10 using the dispersion of the conductive polymer of Comparative Example 2 in which polystyrene sulfonic acid and phenolsulfonic acid novolak resin are used in combination as dopants, the same operations as in Examples 65 to 72 are performed for comparison.
- the wound aluminum solid electrolytic capacitor of Example 10 is produced and their characteristics are evaluated. This will be described in detail below.
- a lead terminal is attached to the anode on which the dielectric layer is formed by performing a chemical conversion treatment, and the lead terminal is attached to the cathode made of aluminum foil.
- Examples 65 to 72 and Comparative Examples 9 to 10 were prepared for Examples 65 to 72 and Comparative Examples 9 to 10, respectively, and these capacitor elements were respectively dispersed in the conductive polymer dispersions of Examples 53 to 60 and Comparative Examples 1 and 2. It was immersed for 10 minutes separately, taken out, and dried at 150 ° C. for 30 minutes. By repeating these operations three times, a solid electrolyte layer made of a conductive polymer was formed. This was covered with an exterior material to produce a total of 20 wound aluminum solid electrolytic capacitors of Examples 65 to 72 and Comparative Examples 9 to 10.
- the wound aluminum solid electrolytic capacitors of Examples 65 to 72 are shown in Comparative Example 9 Compared with the capacitors of ⁇ 10, the ESR was low (small), and no leakage current failure occurred as in the capacitors of Comparative Examples 9-10. Further, as shown in Table 8, the capacitors of Examples 65 to 72 had lower ESR than the capacitors of Comparative Examples 9 to 10 even after being stored in a thermostat at 150 ° C. for 100 hours. In the capacitors of Examples 65 to 72, the increase in ESR due to storage at high temperature is small, and there is no occurrence of short-circuit failure as in the capacitors of Comparative Examples 9 to 10, and reliability in use under high temperature conditions. Was high.
- a lead terminal is attached to the anode on which the dielectric layer is formed by performing a chemical conversion treatment, and the lead terminal is attached to the cathode made of aluminum foil.
- the wound aluminum solid electrolytic capacitors of Examples 73 to 80 are comparative examples 11 to Compared with the 12 capacitors, the ESR was low (small), and no leakage current failure occurred as in the capacitors of Comparative Examples 11-12. Further, as shown in Table 10, the capacitors of Examples 73 to 80 had lower ESR than the capacitors of Comparative Examples 11 to 12 even after being stored in a thermostat at 150 ° C. for 100 hours. In the capacitors of Examples 73 to 80, the increase in ESR due to storage at high temperature is small, and there is no occurrence of short circuit failure as in the capacitors of Comparative Examples 11 to 12, and reliability in use under high temperature conditions. Was high.
- Example 81 In this Example 81 and the subsequent Examples 82 to 84 and Comparative Examples 13 to 14, tantalum solid electrolytic capacitors are produced and their characteristics are evaluated.
- the capacitor element was immersed in an ethanol solution of 3,4-ethylenedioxythiophene solution having a concentration of 35%, taken out after 1 minute, and left for 5 minutes. Thereafter, an oxidizer / dopant solution consisting of a mixture prepared by mixing a 50% phenol butylamine sulfonate aqueous solution (pH 5) and a 30% ammonium persulfate aqueous solution prepared in advance at a mass ratio of 1: 1. It was immersed, taken out after 30 seconds, allowed to stand at room temperature for 30 minutes, and then heated at 50 ° C. for 10 minutes for polymerization. After the polymerization, the capacitor element was immersed in water and allowed to stand for 30 minutes, then taken out and dried at 70 ° C. for 30 minutes. This operation was repeated 6 times to form a solid electrolyte layer made of a conductive polymer on the capacitor element.
- the capacitor element in which the solid electrolyte layer made of the conductive polymer by so-called “in-situ polymerization” was formed as described above was immersed in the conductive polymer dispersion obtained in Example 61 and taken out after 30 seconds. And dried at 150 ° C. for 30 minutes. This operation was repeated three times and then left at 150 ° C. for 60 minutes to form a solid electrolyte layer made of the conductive polymer of the present invention. Thereafter, the solid electrolyte layer was covered with carbon paste and silver paste to produce a tantalum solid electrolytic capacitor.
- Example 82 A tantalum solid electrolytic capacitor was manufactured in the same manner as in Example 81 except that the conductive polymer dispersion of Example 62 was used instead of the conductive polymer dispersion of Example 61. did.
- Example 83 A tantalum solid electrolytic capacitor was produced in the same manner as in Example 81 except that the conductive polymer dispersion of Example 63 was used instead of the conductive polymer dispersion of Example 61. did.
- Example 84 A tantalum solid electrolytic capacitor was produced in the same manner as in Example 81 except that the conductive polymer dispersion of Example 64 was used instead of the conductive polymer dispersion of Example 61. did.
- Comparative Example 13 A tantalum solid electrolytic capacitor was produced in the same manner as in Example 81 except that the conductive polymer dispersion of Comparative Example 1 was used instead of the conductive polymer dispersion of Example 61. did.
- Comparative Example 14 A tantalum solid electrolytic capacitor was produced in the same manner as in Example 81 except that the conductive polymer dispersion of Comparative Example 2 was used instead of the conductive polymer dispersion of Example 61. did.
- the tantalum solid electrolytic capacitors of Examples 81 to 84 are compared with the capacitors of Comparative Examples 13 to 14.
- the ESR was low and the characteristics as a capacitor were excellent.
- the capacitors of Examples 81 to 84 had lower ESR than the capacitors of Comparative Examples 13 to 14 even after storage at 125 ° C. for 100 hours.
- the capacitors of Examples 81 to 84 showed little increase in ESR due to storage at high temperature, indicating high reliability in use under high temperature conditions.
- Examples 85 to 91 and Comparative Examples 15 to 16 show examples of preparing conductive polymer dispersions used in the evaluation with this multilayer aluminum solid electrolytic capacitor.
- Example 85 50 g of the conductive polymer dispersion of Example 1 was placed in a 200 ml beaker equipped with a stirrer, and 50 g of pure water was added while stirring. Thereafter, 0.5 g of polyethylene glycol 400 was added, and then adjusted to pH 4.0 with 28% aqueous ammonia solution to obtain a conductive polymer dispersion of Example 85.
- Example 86 50 g of the conductive polymer dispersion of Example 4 was placed in a 200 ml beaker equipped with a stirrer, and 50 g of pure water was added while stirring. Thereafter, 0.5 g of polyethylene glycol 400 was added, and then adjusted to pH 3.4 with 28% aqueous ammonia solution to obtain a conductive polymer dispersion of Example 86.
- Example 87 50 g of the conductive polymer dispersion of Example 5 was placed in a 200 ml beaker equipped with a stirrer, and 50 g of pure water was added while stirring. Thereafter, 0.5 g of polyethylene glycol 400 was added, and then adjusted to pH 4.5 with a 28% aqueous ammonia solution, whereby a conductive polymer dispersion of Example 87 was obtained.
- Example 88 50 g of the conductive polymer dispersion of Example 53 was placed in a 200 ml beaker equipped with a stirrer, and 50 g of pure water was added while stirring. Thereafter, 0.5 g of polyethylene glycol 400 was added, and then adjusted to pH 4.3 with 28% aqueous ammonia solution to obtain a conductive polymer dispersion of Example 88.
- Example 89 50 g of the conductive polymer dispersion of Example 54 was placed in a 200 ml beaker equipped with a stirrer, and 50 g of pure water was added while stirring. Thereafter, 0.5 g of polyethylene glycol 400 was added, and then adjusted to pH 4.5 with 28% aqueous ammonia solution to obtain a conductive polymer dispersion of Example 89.
- Example 90 50 g of the conductive polymer dispersion of Example 55 was placed in a 200 ml beaker equipped with a stirrer, and 50 g of pure water was added while stirring. Thereafter, 0.5 g of polyethylene glycol 400 was added, and then adjusted to pH 3.1 with a 28% aqueous ammonia solution to obtain a conductive polymer dispersion of Example 90.
- Example 91 50 g of the conductive polymer dispersion of Example 56 was placed in a 200 ml beaker equipped with a stirrer, and 50 g of pure water was added while stirring. Thereafter, 0.5 g of polyethylene glycol 400 was added, and then adjusted to pH 4.0 with a 28% aqueous ammonia solution to obtain a conductive polymer dispersion of Example 91.
- Comparative Example 15 50 g of the conductive polymer dispersion of Comparative Example 1 was placed in a 200 ml beaker equipped with a stirrer, and 50 g of pure water was added while stirring. Thereafter, 0.5 g of polyethylene glycol 400 was added, and then adjusted to pH 4.5 with a 28% aqueous ammonia solution to obtain a conductive polymer dispersion of Comparative Example 15.
- Comparative Example 16 50 g of the conductive polymer dispersion of Comparative Example 2 was placed in a 200 ml beaker equipped with a stirrer, and 50 g of pure water was added while stirring. Thereafter, 0.5 g of polyethylene glycol 400 was added, and then adjusted to pH 4.6 with 28% aqueous ammonia solution to obtain a conductive polymer dispersion of Comparative Example 16.
- Example 92 About 10 mm long ⁇ 3.3 mm wide aluminum etched foil, a polyimide solution having a width of 1 mm in the lateral direction of the foil so as to be divided into a 4 mm portion from one end in the vertical direction and a 5 mm portion from the other end. was applied and dried. Next, a silver wire as an anode was attached to a portion of 5 mm from one end (however, the other end) in the vertical direction of the aluminum etched foil at a position 2 mm from the one end.
- a dielectric film is formed by subjecting a 4 mm portion (4 mm ⁇ 3.3 mm) from one end (however, one end) of the foil to a chemical conversion treatment using an aqueous solution of ammonium adipate having a concentration of 10%.
- a capacitor element having a set capacitance of 25 ⁇ F or more and a set ESR of 10 m ⁇ or less was produced.
- the above capacitor element was immersed in the conductive polymer dispersion of Example 85, taken out after 1 minute, and dried at 120 ° C. for 10 minutes, and was repeated three times. Thereafter, the capacitor element is immersed in a solution in which Teikatron KA100 (phenol sulfonate), which is sold as an antioxidant, is dissolved in a mixed solution in which ethanol and water are mixed in an equal volume ratio so that the concentration becomes 5%. Then, it was taken out after 1 minute and dried at 120 ° C. for 5 minutes. Thereafter, the capacitor element was immersed in the conductive polymer dispersion of Example 14, taken out after 1 minute, and dried at 120 ° C. for 30 minutes.
- Teikatron KA100 phenol sulfonate
- the conductive polymer layer is covered with carbon paste and silver paste, a silver wire as a cathode is attached to a portion 3 mm from the end in the vertical direction, and further covered with an epoxy resin, subjected to aging treatment, and laminated aluminum A solid electrolytic capacitor was produced.
- Example 93 Instead of the conductive polymer dispersion of Example 85, the conductive polymer dispersion of Example 86 was used, and instead of the conductive polymer dispersion of Example 14, the dispersion of Example 17 was used.
- a laminated aluminum solid electrolytic capacitor was produced in the same manner as in Example 92 except that the conductive polymer dispersion was used.
- Example 94 instead of the conductive polymer dispersion of Example 85, the conductive polymer dispersion of Example 87 was used, and instead of the conductive polymer dispersion of Example 14, the dispersion of Example 18 was used.
- a laminated aluminum solid electrolytic capacitor was produced in the same manner as in Example 92 except that the conductive polymer dispersion was used.
- Example 95 instead of the conductive polymer dispersion of Example 85, the conductive polymer dispersion of Example 88 was used, and instead of the conductive polymer dispersion of Example 14, the dispersion of Example 61 was used.
- a laminated aluminum solid electrolytic capacitor was produced in the same manner as in Example 92 except that the conductive polymer dispersion was used.
- Example 96 Instead of the conductive polymer dispersion of Example 85, the conductive polymer dispersion of Example 89 was used, and instead of the conductive polymer dispersion of Example 14, the dispersion of Example 62 was used. A laminated aluminum solid electrolytic capacitor was produced in the same manner as in Example 92 except that the conductive polymer dispersion was used.
- Example 97 instead of the conductive polymer dispersion of Example 85, the conductive polymer dispersion of Example 90 was used, and instead of the conductive polymer dispersion of Example 14, the dispersion of Example 63 was used.
- a laminated aluminum solid electrolytic capacitor was produced in the same manner as in Example 92 except that the conductive polymer dispersion was used.
- Example 98 instead of the conductive polymer dispersion of Example 85, the conductive polymer dispersion of Example 91 was used, and instead of the conductive polymer dispersion of Example 14, the dispersion of Example 64 was used.
- a laminated aluminum solid electrolytic capacitor was produced in the same manner as in Example 92 except that the conductive polymer dispersion was used.
- Comparative Example 17 Instead of the conductive polymer dispersion of Example 85, the conductive high dispersion of Comparative Example 15 was used, and instead of the conductive polymer dispersion of Example 14, Comparative Example 1 was used. A laminated aluminum solid electrolytic capacitor was produced in the same manner as in Example 92 except that the dispersion was used.
- Comparative Example 18 Instead of the conductive polymer dispersion of Example 85, the conductive polymer dispersion of Comparative Example 16 was used, and instead of the conductive polymer dispersion of Example 14, Comparative Example 2 was used. A laminated aluminum solid electrolytic capacitor was produced in the same manner as in Example 92 except that the conductive polymer dispersion was used.
- the laminated aluminum solid electrolytic capacitors of Examples 92 to 98 have an ESR of 6.3 to Compared to the capacitors of Comparative Examples 17-18, which satisfies the set ESR of 7.4 m ⁇ and 10 m ⁇ or less, the capacitance is 25.4 to 26.1 ⁇ F, satisfies the set capacitance of 25 ⁇ F or more, and Thus, the ESR was low and the characteristics as a capacitor were excellent.
- the capacitors of Examples 92 to 98 have a lower ESR after storage at 125 ° C. for 100 hours than the capacitors of Comparative Examples 17 to 18, and the increase in ESR due to high temperature storage. It has been shown that the reliability under high temperature conditions is high.
- transparent conductive films of Examples 99 to 109 were prepared using the dispersion liquid of the conductive polymer of the present invention, and polystyrene sulfonic acid was used as a dopant for comparison with them.
- a transparent conductive film of Comparative Example 19 is prepared using the synthesized conductive polymer dispersion, and the characteristics thereof are evaluated.
- Example 99 600 g of a 4% aqueous solution of a copolymer having a mass ratio of 9: 1 of styrenesulfonic acid and hydroxyethyl methacrylate obtained in Production Example 1 is placed in a stainless steel container having an internal volume of 1 L, and the catalyst is first sulfuric acid as a catalyst. 0.3 g of iron heptahydrate was added and dissolved. 4 mL of 3,4-ethylenedioxythiophene was slowly added dropwise thereto.
- the mixture was stirred with a stainless steel stirring spring, an anode was attached to the container, a cathode was attached to the stirring spring, and electrolytic oxidation polymerization was performed at a constant current of 1 mA / cm 2 for 18 hours to synthesize a conductive polymer.
- electrolytic oxidation polymerization it was diluted 4 times with water, and then subjected to a dispersion treatment with an ultrasonic homogenizer [manufactured by Nippon Seiki Co., Ltd., US-T300 (trade name)] for 30 minutes.
- Organo Cation Exchange Resin [Amberlite 120B (trade name)] was added and stirred for 1 hour with a stirrer. The mixture was filtered through 131, and the treatment with this cation exchange resin and filtration were repeated three times to remove all cation components in the liquid.
- the treated liquid is passed through a filter having a pore size of 1 ⁇ m, and the passing liquid is treated with an ultrafiltration device (Saltorius Vivaflow 200 (trade name), molecular weight fraction 50,000) to give free low molecular components in the liquid.
- an ultrafiltration device (Saltorius Vivaflow 200 (trade name), molecular weight fraction 50,000) to give free low molecular components in the liquid.
- the liquid after this treatment was diluted with water to adjust the concentration of the conductive polymer to 1.5%, and 4 g of propanediol as a conductivity improver was added to 40 g of the 1.5% liquid, A dispersion of conductive polymer to which propanediol as a property improver was added was obtained. The amount of propanediol added was 666% with respect to the conductive polymer.
- a transparent polyester sheet used as a base material for the production of a transparent conductive film As a transparent polyester sheet used as a base material for the production of a transparent conductive film, Toyobo Co., Ltd. Cosmo Shine A4300 (trade name, thickness 188 ⁇ m, double-sided easy adhesion treatment, total light transmittance 92.3%, Haze 0.9%
- the coating material for transparent conductive film is applied to the transparent polyester sheet with a bar coater No. 06 (film thickness: 13.74 ⁇ m) and dried at 130 ° C. for 90 seconds to form a transparent polyester sheet.
- a transparent conductive film was prepared.
- Example 99 is the same as Example 99 except that instead of the copolymer obtained in Production Example 1, a copolymer having a mass ratio of styrenesulfonic acid and hydroxyethyl methacrylate obtained in Production Example 2 of 8: 2 was used. The same operation was performed to obtain a transparent conductive film coating material. Since the transparent conductive film paint of Example 100 was obtained by performing the same operation as in Example 99, a sulfonated polyester as a binder was added as in Example 99. Also, the copolymer used as the dopant was made into a 4% aqueous solution as in Example 99, and 600 g of the 4% aqueous solution was used. The same applies to the transparent conductive film paints of Examples 101 to 109 and the transparent conductive film paint of Comparative Example 19 shown below.
- the transparent conductive film paint obtained as described above was applied to a transparent polyester sheet in the same manner as in Example 99 and dried to obtain a transparent conductive film.
- Example 101 In place of the copolymer obtained in Production Example 1, all were the same as in Example 99 except that the copolymer having a mass ratio of styrene sulfonic acid and glycidyl methacrylate obtained in Production Example 4 was 9: 1. Thus, a transparent conductive film coating material was obtained. The transparent conductive film coating material was applied to a transparent polyester sheet in the same manner as in Example 99 and dried to obtain a transparent conductive film.
- Example 99 is the same as Example 99 except that the copolymer having a mass ratio of styrene sulfonic acid and hydroxyethyl acrylate obtained in Production Example 5 of 9: 1 was used instead of the copolymer obtained in Production Example 1. The same operation was performed to obtain a transparent conductive film paint. The transparent conductive film paint was applied to a transparent polyester sheet in the same manner as in Example 99 and dried to obtain a transparent conductive film.
- Example 103 In place of the copolymer obtained in Production Example 1 except that the copolymer having a mass ratio of 9.8: 0.2 of styrenesulfonic acid and hydroxypropyl methacrylate obtained in Production Example 7 was used. The same operation as in Example 99 was performed to obtain a transparent conductive film paint, and the transparent conductive film paint was applied to a transparent polyester sheet in the same manner as in Example 99 and dried to obtain a transparent conductive film. It was.
- Example 104 In place of the copolymer obtained in Production Example 1 except that a copolymer having a mass ratio of 9.5: 0.5 of styrene sulfonic acid and hydroxypropyl methacrylate obtained in Production Example 8 was used. The same operation as in Example 99 was performed to obtain a transparent conductive film paint, and the transparent conductive film paint was applied to a transparent polyester sheet in the same manner as in Example 99 and dried to obtain a transparent conductive film. It was.
- Example 105 is the same as Example 99 except that the copolymer having a mass ratio of styrene sulfonic acid and hydroxypropyl methacrylate of 9: 1 was used instead of the copolymer obtained in Production Example 1. The same operation was performed to obtain a transparent conductive film paint. The transparent conductive film paint was applied to a transparent polyester sheet in the same manner as in Example 99 and dried to obtain a transparent conductive film.
- Example 106 In place of the copolymer obtained in Production Example 1 except that the copolymer having a mass ratio of 9: 1 of styrenesulfonic acid and 3-methacryloxypropyltrimethoxysilane obtained in Production Example 10 was used. The same operation as in Example 99 was performed to obtain a transparent conductive film paint, and the transparent conductive film paint was applied to a transparent polyester sheet in the same manner as in Example 99 and dried to obtain a transparent conductive film. It was.
- Example 99 is the same as Example 99 except that instead of the copolymer obtained in Production Example 1, a copolymer having a mass ratio of 9: 1 of styrenesulfonic acid and vinyltrimethoxysilane obtained in Production Example 11 was used. The same operation was performed to obtain a transparent conductive film paint. The transparent conductive film paint was applied to a transparent polyester sheet in the same manner as in Example 99 and dried to obtain a transparent conductive film.
- Example 108 In place of the copolymer obtained in Production Example 1 except that a copolymer having a mass ratio of 9: 1 of styrenesulfonic acid and 3-acryloxypropyltrimethoxysilane obtained in Production Example 12 was used. The same operation as in Example 99 was performed to obtain a transparent conductive film paint. The transparent conductive film paint was applied to a transparent polyester sheet in the same manner as in Example 99 and dried to obtain a transparent conductive film. It was.
- Example 109 Examples were all used in place of the copolymer obtained in Production Example 1 except that the copolymer having a mass ratio of styrene sulfonic acid and p-styryltrimethoxysilane obtained in Production Example 13 of 9: 1 was used. The same operation as in No. 99 was performed to obtain a transparent conductive film coating material. The transparent conductive film coating material was applied to a transparent polyester sheet in the same manner as in Example 99 and dried to obtain a transparent conductive film.
- Comparative Example 19 For the transparent conductive film, the same operation as in Example 99 was performed except that polystyrene sulfonic acid (manufactured by Teika Co., Ltd., weight average molecular weight 100,000) was used instead of the copolymer obtained in Production Example 1.
- the transparent conductive film paint obtained was applied to a transparent polyester sheet in the same manner as in Example 99 and dried to obtain a transparent conductive film.
- the surface resistance value, total light transmittance, and Haze were measured, and the transparent polyester sheet of the base material was used.
- the adhesion cross-cut tape peeling test and scratch resistance test
- Table 15 shows the measurement results of the surface resistance value, total light transmittance, and haze
- Table 16 shows the measurement results of adhesion.
- the measurement of surface resistance value, total light transmittance, Haze, and adhesion was carried out as follows by cutting a transparent conductive film into a 4 cm ⁇ 8 cm rectangle.
- Total light transmittance Using HZ-2P type [double beam type (C light / D 65 light)] manufactured by Suga Test Instruments Co., Ltd., the temperature was measured at 25 ° C. In the measurement, ten samples were used for each sample, and the total light transmittance values shown in Table 15 were obtained by calculating the average of these ten values and rounding off to the second decimal place.
- Haze Using HZ-2P type [double beam type (C light / D 65 light)] manufactured by Suga Test Instruments Co., Ltd., the temperature was measured at 25 ° C. In the measurement, 10 samples were used for each sample, and the haze values shown in Table 15 were obtained by calculating the average value of the 10 samples and rounding off the second decimal place. And this Haze shows that transparency is so high that a value is small.
- Cross-cut tape peel test Using a cross-cut guide, a test was conducted at a temperature of 25 ° C. according to the method specified in JIS-K-5600, and the number of peeled lattices was examined. In Table 16, 25 of the total number of lattices subjected to the cross-cut tape peel test is shown in the denominator, and the number of peeled lattices is displayed in the numerator.
- the transparent conductive films of Examples 99 to 109 are, as shown in Table 15, surface resistance values and transparency indices. Although the total light transmittance, Haze and the like are similar to the film of Comparative Example 19, as shown in Table 16, there is no peeling as seen in the film of Comparative Example 19 in the crosscut tape peeling test, Compared with the film of Comparative Example 19, the surface resistance value change rate in the scratch resistance test was small, and the adhesion was superior to the film of Comparative Example 19.
- transparent conductive film The transparent conductive films of Examples 99 to 109 and Comparative Example 19 prepared separately from those used for the measurement of the surface resistance value and total light transmittance (hereinafter referred to as “transparent conductive film”) are simplified.
- the films were compared with each other under the conditions (A) and (B) (A) at 65 ° C.
- A) at 65 ° C.
- B) at 85 ° C in a constant temperature and humidity chamber with a relative humidity of 85% for 250 hours in a stationary state, and then dry at 130 ° C for 90 seconds.
- Table 17 shows the rate of change in the surface resistance value of the film obtained by the heat and humidity resistance test and the heat resistance test determined as described above.
- the display of the conditions of the moisture and heat resistance test and heat resistance test in Table 17 is simplified as follows because of space limitations.
- A “In a constant temperature and humidity machine with a relative humidity of 95% at 65 ° C.” ⁇ “65 ° C./95%”
- B “85 ° C / 85% relative humidity in constant temperature and humidity machine” ⁇ “85 ° C / 85%”
- C “85 ° C in oven” ⁇ “85 ° C”
- the films of Examples 99 to 109 had a smaller rate of change in surface resistance than the film of Comparative Example 19, and were excellent in heat and moisture resistance and heat resistance.
- the rate of change in the surface resistance value is 1.19 or less when stored for 65 hours under the condition of 65 ° C / 95% of (A), and 85 ° C / 85% of (B). With a storage time of 250 hours, the surface resistance value change rate is 1.40 or less. With regard to the heat resistance test, the (C) storage condition at 85 ° C. for 250 hours with a surface resistance value change rate of 1.19 or less. Although it is required, as shown in Table 17, the films of Examples 99 to 109 have a surface resistance value change rate of 1.19 or less in the above (A), 1.40 or less in (B), ( All the requirements of C) of 1.19 or less were satisfied.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Power Engineering (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Manufacturing & Machinery (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Physics & Mathematics (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Dispersion Chemistry (AREA)
Abstract
Description
(I):スチレンスルホン酸と、メタクリル酸エステル、アクリル酸エステルおよび不飽和炭化水素含有アルコキシシラン化合物またはその加水分解物よりなる群から選ばれる少なくとも1種の非スルホン酸系モノマーとの共重合体
(II):ポリスチレンスルホン酸
(I):スチレンスルホン酸と、メタクリル酸エステル、アクリル酸エステルおよび不飽和炭化水素含有アルコキシシラン化合物またはその加水分解物よりなる群から選ばれる少なくとも1種の非スルホン酸系モノマーとの共重合体
(III):スルホン化ポリエステルおよびフェノールスルホン酸ノボラック樹脂よりなる群から選ばれる少なくとも1種のポリマーアニオン
(I):スチレンスルホン酸と、メタクリル酸エステル、アクリル酸エステルおよび不飽和炭化水素含有アルコキシシラン化合物またはその加水分解物よりなる群から選ばれる少なくとも1種の非スルホン酸系モノマーとの共重合体
(II):ポリスチレンスルホン酸
(III):スルホン化ポリエステルおよびフェノールスルホン酸ノボラック樹脂よりなる群から選ばれる少なくとも1種のポリマーアニオン
(I):スチレンスルホン酸と、メタクリル酸エステル、アクリル酸エステルおよび不飽和炭化水素含有アルコキシシラン化合物またはその加水分解物よりなる群から選ばれる少なくとも1種の非スルホン酸系モノマーとの共重合体
(III):スルホン化ポリエステルおよびフェノールスルホン酸ノボラック樹脂よりなる群から選ばれる少なくとも1種のポリマーアニオン
(I):スチレンスルホン酸と、メタクリル酸エステル、アクリル酸エステルおよび不飽和炭化水素含有アルコキシシラン化合物またはその加水分解物よりなる群から選ばれる少なくとも1種の非スルホン酸系モノマーとの共重合体
(II):ポリスチレンスルホン酸
(III):スルホン化ポリエステルおよびフェノールスルホン酸ノボラック樹脂よりなる群から選ばれる少なくとも1種のポリマーアニオン
で表される繰り返し単位を有するものが好ましく、このようなフェノールスルホン酸ノボラック樹脂としては、その重量平均分子量が5,000~500,000のものが好ましい。
〔共重合体(スチレンスルホン酸:メタクリル酸ヒドロキシエチル=9:1)の製造〕
この製造例1では、使用開始時のモノマーがスチレンスルホン酸とメタクリル酸エステルとしてのメタクリル酸ヒドロキシエチルとであって、それらの比率が質量比で9:1の共重合体の製造について説明する。なお、以下の製造例などにおいても、共重合体の組成の表示にあたっては、使用開始時のモノマーの質量比で表示する。
〔共重合体(スチレンスルホン酸:メタクリル酸ヒドロキシエチル=8:2)の製造〕
この製造例2では、スチレンスルホン酸とメタクリル酸ヒドロキシエチルとの質量比が8:2の共重合体の製造について説明する。
〔共重合体(スチレンスルホン酸:メタクリル酸ヒドロキシエチル=4:6)の製造〕
この製造例3では、スチレンスルホン酸とメタクリル酸ヒドロキシエチルとの質量比が4:6の共重合体の製造について説明する。
〔共重合体(スチレンスルホン酸:メタクリル酸グリシジル=9:1)の製造〕
この製造例4では、スチレンスルホン酸とメタクリル酸グリシジルとの質量比が9:1の共重合体の製造について説明する。
〔共重合体(スチレンスルホン酸:アクリル酸ヒドロキシエチル=9:1)の製造〕
この製造例5では、スチレンスルホン酸とアクリル酸ヒドロキシエチルとの質量比が9:1の共重合体の製造について説明する。
〔共重合体(スチレンスルホン酸:アクリル酸ヒドロキシエチル=8:2)の製造〕
この製造例6では、スチレンスルホン酸とアクリル酸ヒドロキシエチルとの質量比が8:2の共重合体の製造について説明する。
〔共重合体(スチレンスルホン酸:メタクリル酸ヒドロキシプロピル=9.8:0.2)の製造〕
この製造例7では、スチレンスルホン酸とメタクリル酸ヒドロキシプロピルとの質量比が9.8:0.2の共重合体の製造について説明する。
〔共重合体(スチレンスルホン酸:メタクリル酸ヒドロキシプロピル=9.5:0.5)の製造〕
この製造例8では、スチレンスルホン酸とメタクリル酸ヒドロキシプロピルとの質量比が9.5:0.5の共重合体の製造について説明する。
〔共重合体(スチレンスルホン酸:メタクリル酸ヒドロキシプロピル=9:1)の製造〕
この製造例9では、スチレンスルホン酸とメタクリル酸ヒドロキシプロピルとの質量比が9:1の共重合体の製造について説明する。
〔共重合体(スチレンスルホン酸:3-メタクリロキシプロピルトリメトキシシラン=9:1)の製造〕
この製造例10では、スチレンスルホン酸と3-メタクリロキシプロピルトリメトキシシランとの質量比が9:1の共重合体の製造について説明する。
〔共重合体(スチレンスルホン酸:ビニルトリメトキシシラン=9:1)の製造〕
この製造例11では、スチレンスルホン酸とビニルトリメトキシシランとの質量比が9:1の共重合体の製造について説明する。
〔共重合体(スチレンスルホン酸:3-アクリロキシプロピルトリメトキシシラン=9:1)の製造〕
この製造例12では、スチレンスルホン酸と3-アクリロキシプロピルトリメトキシシランとの質量比が9:1の共重合体の製造について説明する。
〔共重合体(スチレンスルホン酸:p-スチリルトリメトキシシラン=9:1)の製造〕
この製造例13では、スチレンスルホン酸とp-スチリルトリメトキシシランとの質量比が9:1の共重合体の製造について説明する。
製造例1で得たスチレンスルホン酸とメタクリル酸ヒドロキシエチルとの質量比が9:1の共重合体の4%水溶液600gを内容積1Lのステンレス鋼製容器に入れ、そこに触媒として硫酸第一鉄・7水和物を0.3g添加して溶解した。その中に3,4-エチレンジオキシチオフェンを4mLゆっくり滴下した。ステンレス鋼製の撹拌バネで撹拌し、容器に陽極を取り付け、撹拌バネに陰極を取り付け、1mA/cm2の定電流で18時間電解酸化重合して、導電性高分子を合成した。上記電解酸化重合後、水で4倍に希釈した後、超音波ホモジナイザー〔日本精機社製、US-T300(商品名)〕で30分間分散処理を行った。
製造例1で得た共重合体に代えて、製造例2で得たスチレンスルホン酸とメタクリル酸ヒドロキシエチルとの質量比が8:2の共重合体を用いた以外は、すべて実施例1と同様の操作を行って、導電性高分子の分散液を得た。なお、この実施例2では、すべて実施例1と同様の操作を行って導電性高分子の分散液を得ていることから、この実施例2の導電子高分子の分散液には、実施例1の場合と同様に、ブタンジオールが添加されている。そして、このようなブタンジオールの添加は、以下に示す実施例3以後の導電子高分子の分散液に対しても同様に行われている。
製造例1で得た共重合体に代えて、製造例3で得たスチレンスルホン酸とメタクリル酸ヒドロキシエチルとの質量比が4:6の共重合体を用いた以外は、すべて実施例1と同様の操作を行って、導電性高分子の分散液を得た。
製造例1で得た共重合体に代えて、製造例4で得たスチレンスルホン酸とメタクリル酸グリシジルとの質量比が9:1の共重合体を用いた以外は、すべて実施例1と同様の操作を行って、導電性高分子の分散液を得た。
製造例1で得た共重合体に代えて、製造例5で得たスチレンスルホン酸とアクリル酸ヒドロキシエチルとの質量比が9:1の共重合体を用いた以外は、すべて実施例1と同様の操作を行って、導電性高分子の分散液を得た。
製造例1で得た共重合体に代えて、製造例6で得たスチレンスルホン酸とアクリル酸ヒドロキシエチルとの質量比が8:2の共重合体を用いた以外は、すべて実施例1と同様の操作を行って、導電性高分子の分散液を得た。
製造例1で得た共重合体の4%水溶液600gに代えて、製造例1で得たスチレンスルホン酸とメタクリル酸ヒドロキシエチルとの質量比が9:1の共重合体の4%水溶液300gとテイカ社製ポリスチレンスルホン酸(重量平均分子量10万)の4%水溶液300gとの混合液を用いた以外は、すべて実施例1と同様の操作を行って、導電性高分子の分散液を得た。
製造例1で得た共重合体の4%水溶液600gに代えて、製造例2で得たスチレンスルホン酸とメタクリル酸ヒドロキシエチルとの質量比が8:2の共重合体の4%水溶液300gとテイカ社製ポリスチレンスルホン酸(重量平均分子量10万)の4%水溶液300gとの混合液を用いた以外は、すべて実施例1と同様の操作を行って、導電性高分子の分散液を得た。
製造例1で得た共重合体の4%水溶液600gに代えて、製造例3で得たスチレンスルホン酸とメタクリル酸ヒドロキシエチルとの質量比が4:6の共重合体の4%水溶液300gとテイカ社製ポリスチレンスルホン酸(重量平均分子量10万)の4%水溶液300gとの混合液を用いた以外は、すべて実施例1と同様の操作を行って、導電性高分子の分散液を得た。
製造例1で得た共重合体の4%水溶液600gに代えて、製造例4で得たスチレンスルホン酸とメタクリル酸グリシジルとの質量比が9:1の共重合体の4%水溶液300gとテイカ社製ポリスチレンスルホン酸(重量平均分子量10万)の4%水溶液300gとの混合液を用いた以外は、すべて実施例1と同様の操作を行って、導電性高分子の分散液を得た。
製造例1で得た共重合体の4%水溶液600gに代えて、製造例5で得たスチレンスルホン酸とアクリル酸ヒドロキシエチルとの質量比が9:1の共重合体の4%水溶液300gとテイカ社製ポリスチレンスルホン酸(重量平均分子量10万)の4%水溶液300gとの混合液を用いた以外は、すべて実施例1と同様の操作を行って、導電性高分子の分散液を得た。
製造例1で得た共重合体の4%水溶液600gに代えて、製造例6で得たスチレンスルホン酸とアクリル酸ヒドロキシエチルとの質量比が8:2の共重合体の4%水溶液300gとテイカ社製ポリスチレンスルホン酸(重量平均分子量10万)の4%水溶液300gとの混合液を用いた以外は、すべて実施例1と同様の操作を行って、導電性高分子の分散液を得た。
製造例1で得た共重合体の4%水溶液600gに代えて、製造例2で得たスチレンスルホン酸とメタクリル酸ヒドロキシエチルとの質量比が8:2の共重合体の4%水溶液300gとテイカ社製ポリスチレンスルホン酸(重量平均分子量10万)の4%水溶液225gとフェノールスルホン酸ノボラック樹脂〔小西化学工業社製、重量平均分子量6万で、一般式(2)におけるR1が水素のもの〕の4%水溶液75gとの混合液を用いた以外は、すべて実施例1と同様の操作を行って、導電性高分子の分散液を得た。
この実施例14では、まず、実施例1で得た導電性高分子の分散液と混合するためのスルホン化ポリエステルをドーパントとする導電性高分子の分散液を次に示すようにして得た。
実施例1で得た導電性高分子の分散液40gに代えて、実施例2で得た導電性高分子の分散液40gを用いた以外は、すべて実施例14と同様の操作を行って、異なるドーパントを用いた導電性高分子の分散液の混合液を得た。
実施例1で得た導電性高分子の分散液40gに代えて、実施例3で得た導電性高分子の分散液40gを用いた以外は、すべて実施例14と同様の操作を行って、異なるドーパントを用いた導電性高分子の分散液の混合液を得た。
実施例1で得た導電性高分子の分散液40gに代えて、実施例4で得た導電性高分子の分散液40gを用いた以外は、すべて実施例14と同様の操作を行って、異なるドーパントを用いた導電性高分子の分散液の混合液を得た。
実施例1で得た導電性高分子の分散液40gに代えて、実施例5で得た導電性高分子の分散液40gを用いた以外は、すべて実施例14と同様の操作を行って、異なるドーパントを用いて導電性高分子の分散液の混合液を得た。
実施例1で得た導電性高分子の分散液40gに代えて、実施例6で得た導電性高分子の分散液40gを用いた以外は、すべて実施例14と同様の操作を行って、異なるドーパントを用いた導電性高分子の分散液の混合液を得た。
実施例1で得た導電性高分子の分散液40gに代えて、実施例8で得た導電性高分子の分散液40gを用いた以外は、すべて実施例14と同様の操作を行って、異なるドーパントを用いた導電性高分子の分散液の混合液を得た。
製造例1で得たスチレンスルホン酸とメタクリル酸ヒドロキシエチルとの質量比9:1の共重合体の4%水溶液600gに代えて、ポリスチレンスルホン酸(テイカ社製、重量平均分子量100,000)の4%水溶液600gを用いた以外は、すべて実施例1と同様の操作を行って、導電性向上剤としてのブタンジオールを添加した導電性高分子の分散液を得た。
製造例1で得たスチレンスルホン酸とメタクリル酸ヒドロキシエチルとの質量比9:1の共重合体の4%水溶液600gに代えて、ポリスチレンスルホン酸(テイカ社製、重量平均分子量100,000)の4%水溶液300gとフェノールスルホン酸ノボラック樹脂〔小西化学工業社製、平均分子量6万で、一般式(2)におけるR1が水素のもの〕の4%水溶液300gとの混合液600gを用いた以外は、すべて製造例1と同様の操作を行って、導電性向上剤としてのブタンジオールを添加した導電性高分子の分散液を得た。
実施例21~32および比較例3~4
この実施例21~32および比較例3~4では、以下に示すように巻回型アルミニウム固体電解コンデンサを作製して、その特性を評価し、また、その評価結果に基いて、実施例1~12の導電性高分子の分散液と比較例1~2の導電性高分子の分散液の評価をする。
HEWLETT PACKARD社製のLCRメーター(4284A)を用い、25℃の条件下で、100kHzで測定する。
静電容量:
HEWLETT PACKARD社製のLCRメーター(4284A)を用い、25℃の条件下で、120Hzで測定する。
漏れ電流:
巻回型アルミニウム固体電解コンデンサに、25℃で35Vの定格電圧を60秒間印加した後、デジタルオシロスコープにて漏れ電流を測定する。
漏れ電流不良の発生:
上記漏れ電流の測定で、漏れ電流が100μA以上のものは、漏れ電流不良が発生していると判断する。
実施例33~44および比較例5~6
この実施例33~44および比較例5~6では、導電性高分子からなる固体電解質と電解液とを併用した巻回型アルミニウム固体電解コンデンサを作製して、その特性を評価する。なお、これらの巻回型アルミニウム固体電解コンデンサでは、導電性高分子からなる固体電解質以外にも電解液を用いているが、固体電解質を用いている点において変りはないので、これらのコンデンサも巻回型アルミニウム固体電解コンデンサとして表わす。
実施例45
この実施例45やそれに続く実施例46~52および比較例7~8では、タンタル固体電解コンデンサを作製して、その特性評価をする。
実施例13の導電性高分子の分散液に代えて、実施例14の導電性高分子の分散液を用いた以外は、すべて実施例45と同様の操作を行って、タンタル固体電解コンデンサを作製した。
実施例13の導電性高分子の分散液に代えて、実施例15の導電性高分子の分散液を用いた以外は、すべて実施例45と同様の操作を行って、タンタル固体電解コンデンサを作製した。
実施例13の導電性高分子の分散液に代えて、実施例16の導電性高分子の分散液を用いた以外は、すべて実施例45と同様の操作を行って、タンタル固体電解コンデンサを作製した。
実施例13の導電性高分子の分散液に代えて、実施例17の導電性高分子の分散液を用いた以外は、すべて実施例45と同様の操作を行って、タンタル固体電解コンデンサを作製した。
実施例13の導電性高分子の分散液に代えて、実施例18の導電性高分子の分散液を用いた以外は、すべて実施例45と同様の操作を行って、タンタル固体電解コンデンサを作製した。
実施例13の導電性高分子の分散液に代えて、実施例19の導電性高分子の分散液を用いた以外は、すべて実施例45と同様の操作を行って、タンタル固体電解コンデンサを作製した。
実施例13の導電性高分子の分散液に代えて、実施例20の導電性高分子の分散液を用いた以外は、すべて実施例45と同様の操作を行って、タンタル固体電解コンデンサを作製した。
実施例13の導電性高分子の分散液に代えて、比較例1の導電性高分子の分散液を用いた以外は、すべて実施例45と同様の操作を行って、タンタル固体電解コンデンサを作製した。
実施例13の導電性高分子の分散液に代えて、比較例2の導電性高分子の分散液を用いた以外は、すべて実施例45と同様の操作を行って、タンタル固体電解コンデンサを作製した。
実施例53
製造例1で得た共重合体に代えて、製造例10で得たスチレンスルホン酸と3-メタクリロキシプロピルトリメトキシシランとの質量比が9:1の共重合体を用いた以外は、すべて実施例1と同様の操作を行って、導電性高分子の分散液を得た。なお、この実施例53では、すべて実施例1と同様の操作を行って導電性高分子の分散液を得ていることから、この実施例53の導電性高分子の分散液には、実施例1の場合と同様に、ブタンジオールが添加されている。そして、このようなブタンジオールの添加は、以下に示す実施例54以後の導電性高分子の分散液に対しても同様に行われている。
製造例1で得た共重合体に代えて、製造例11で得たスチレンスルホン酸とビニルトリメトキシシランとの質量比が9:1の共重合体を用いた以外は、すべて実施例1と同様の操作を行って、導電性高分子の分散液を得た。
製造例1で得た共重合体に代えて、製造例12で得たスチレンスルホン酸と3-アクリロキシプロピルトリメトキシシランとの質量比が9:1の共重合体を用いた以外は、すべて実施例1と同様の操作を行って、導電性高分子の分散液を得た。
製造例1で得た共重合体に代えて、製造例13で得たスチレンスルホン酸とp-スチリルトリメトキシシランとの質量比が9:1の共重合体を用いた以外は、すべて実施例1と同様の操作を行って、導電性高分子の分散液を得た。
製造例1で得た共重合体の4%水溶液600gに代えて、製造例10で得たスチレンスルホン酸と3-メタクリロキシプロピルトリメトキシシランとの質量比が9:1の共重合体の4%水溶液300gとテイカ社製ポリスチレンスルホン酸(重量平均分子量10万)の4%水溶液300gとの混合液を用いた以外は、すべて実施例1と同様の操作を行って、導電性高分子の分散液を得た。
製造例1で得た共重合体の4%水溶液600gに代えて、製造例11で得たスチレンスルホン酸とビニルトリメトキシシランとの質量比が9:1の共重合体の4%水溶液300gとテイカ社製ポリスチレンスルホン酸(重量平均分子量10万)の4%水溶液300gとの混合液を用いた以外は、すべて実施例1と同様の操作を行って、導電性高分子の分散液を得た。
製造例1で得た共重合体の4%水溶液600gに代えて、製造例12で得たスチレンスルホン酸と3-アクリロキシプロピルトリメトキシシランとの質量比が9:1の共重合体の4%水溶液300gとテイカ社製ポリスチレンスルホン酸(重量平均分子量10万)の4%水溶液300gとの混合液を用いた以外は、すべて実施例1と同様の操作を行って、導電性高分子の分散液を得た。
製造例1で得た共重合体の4%水溶液600gに代えて、製造例13で得たスチレンスルホン酸とp-スチリルトリメトキシシランとの質量比が9:1の共重合体の4%水溶液300gとテイカ社製ポリスチレンスルホン酸(重量平均分子量10万)の4%水溶液300gとの混合液を用いた以外は、すべて実施例1と同様の操作を行って、導電性高分子の分散液を得た。
実施例1で得た導電性高分子の分散液40gに代えて、実施例53で得た導電性高分子の分散液40gを用いた以外は、すべて実施例14と同様の操作を行って、異なるドーパントを用いた導電性高分子の分散液の混合液を得た。
実施例1で得た導電性高分子の分散液40gに代えて、実施例54で得た導電性高分子の分散液40gを用いた以外は、すべて実施例14と同様の操作を行って、異なるドーパントを用いた導電性高分子の分散液の混合液を得た。
実施例1で得た導電性高分子の分散液40gに代えて、実施例55で得た導電性高分子の分散液40gを用いた以外は、すべて実施例14と同様の操作を行って、異なるドーパントを用いた導電性高分子の分散液の混合液を得た。
実施例1で得た導電性高分子の分散液40gに代えて、実施例56で得た導電性高分子の分散液40gを用いた以外は、すべて実施例14と同様の操作を行って、異なるドーパントを用いた導電性高分子の分散液の混合液を得た。
実施例65~72および比較例9~10
この巻回型アルミニウム固体電解コンデンサでの評価(3)では、上記実施例53~60の導電性高分子の分散液を用いて実施例65~72の巻回型アルミニウム固体電解コンデンサを作製し、それらとの比較のため、ドーパントとしてポリスチレンスルホン酸を用いた比較例1の導電性高分子を用いて上記実施例65~72と同様の操作を行って比較例9の巻回型アルミニウム固体電解コンデンサを作製し、また、ドーパントとしてポリスチレンスルホン酸とフェノールスルホン酸ノボラック樹脂とを併用した比較例2の導電性高分子の分散液を用いて、上記実施例65~72と同様の操作を行って比較例10の巻回型アルミニウム固体電解コンデンサを作製して、それらの特性を評価する。以下それを詳細に説明する。
実施例73~80および比較例11~12
この巻回型アルミニウム固体電解コンデンサでの評価(4)では、導電性高分子からなる固体電解質と電解液とを併用した巻回型アルミニウム固体電解コンデンサを作製して、その特性を評価する。実施例73~80の巻回型アルミニウム固体電解コンデンサに関しては、上記実施例53~60の導電性高分子の分散液を用いるが、それらと比較するための比較例11~12には、前記巻回型アルミニウム固体電解コンデンサでの評価(3)の場合と同様に、比較例1~2の導電性高分子の分散液を用いる。以下それを詳細に説明する。
実施例81
この実施例81やそれに続く実施例82~84および比較例13~14では、タンタル固体電解コンデンサを作製して、その特性を評価する。
実施例61の導電性高分子の分散液に代えて、実施例62の導電性高分子の分散液を用いた以外は、すべて実施例81と同様の操作を行って、タンタル固体電解コンデンサを作製した。
実施例61の導電性高分子の分散液に代えて、実施例63の導電性高分子の分散液を用いた以外は、すべて実施例81と同様の操作を行って、タンタル固体電解コンデンサを作製した。
実施例61の導電性高分子の分散液に代えて、実施例64の導電性高分子の分散液を用いた以外は、すべて実施例81と同様の操作を行って、タンタル固体電解コンデンサを作製した。
実施例61の導電性高分子の分散液に代えて、比較例1の導電性高分子の分散液を用いた以外は、すべて実施例81と同様の操作を行って、タンタル固体電解コンデンサを作製した。
実施例61の導電性高分子の分散液に代えて、比較例2の導電性高分子の分散液を用いた以外は、すべて実施例81と同様の操作を行って、タンタル固体電解コンデンサを作製した。
まず、この積層型アルミニウム固体電解コンデンサでの評価にあたって使用する導電性高分子の分散液の調製例を実施例85~91および比較例15~16で示す。
実施例85
実施例1の導電性高分子の分散液50gを200mlの攪拌機付ビーカーに入れ、撹拌しながら純水50gを添加した。その後、ポリエチレングリコール400を0.5g添加し、次いで、28%アンモニア水溶液でpH4.0に調整して、実施例85の導電性高分子の分散液を得た。
実施例4の導電性高分子の分散液50gを200mlの攪拌機付ビーカーに入れ、撹拌しながら純水50gを添加した。その後、ポリエチレングリコール400を0.5g添加し、次いで、28%アンモニア水溶液でpH3.4に調整して、実施例86の導電性高分子の分散液を得た。
実施例5の導電性高分子の分散液50gを200mlの攪拌機付ビーカーに入れ、撹拌しながら純水50gを添加した。その後、ポリエチレングリコール400を0.5g添加した後、28%アンモニア水溶液でpH4.5に調整して、実施例87の導電性高分子の分散液を得た。
実施例53の導電性高分子の分散液50gを200mlの攪拌機付ビーカーに入れ、撹拌しながら純水50gを添加した。その後、ポリエチレングリコール400を0.5g添加した後、28%アンモニア水溶液でpH4.3に調整して、実施例88の導電性高分子の分散液を得た。
実施例54の導電性高分子の分散液50gを200mlの攪拌機付ビーカーに入れ、撹拌しながら純水50gを添加した。その後、ポリエチレングリコール400を0.5g添加した後、28%アンモニア水溶液でpH4.5に調整して、実施例89の導電性高分子の分散液を得た。
実施例55の導電性高分子の分散液50gを200mlの攪拌機付ビーカーに入れ、撹拌しながら純水50gを添加した。その後、ポリエチレングリコール400を0.5g添加した後、28%アンモニア水溶液でpH3.1に調整して、実施例90の導電性高分子の分散液を得た。
実施例56の導電性高分子の分散液50gを200mlの攪拌機付ビーカーに入れ、撹拌しながら純水50gを添加した。その後、ポリエチレングリコール400を0.5g添加した後、28%アンモニア水溶液でpH4.0に調整して、実施例91の導電性高分子の分散液を得た。
比較例1の導電性高分子の分散液50gを200mlの攪拌機付ビーカーに入れ、撹拌しながら純水50gを添加した。その後、ポリエチレングリコール400を0.5g添加した後、28%アンモニア水溶液でpH4.5に調整して、比較例15の導電性高分子の分散液を得た。
比較例2の導電性高分子の分散液50gを200mlの攪拌機付ビーカーに入れ、撹拌しながら純水50gを添加した。その後、ポリエチレングリコール400を0.5g添加した後、28%アンモニア水溶液でpH4.6に調整して、比較例16の導電性高分子の分散液を得た。
実施例92
縦10mm × 横3.3mm のアルミニウムエッチド箔について、縦方向の一方の端から4mmの部分と、他方の端から5mmの部分とに分けるように、上記箔の横方向に幅1mmでポリイミド溶液を塗布し、乾燥した。次に、上記アルミニウムエッチド箔の縦方向の片端(ただし、前記他方の端)から5mmの部分の、該片端から2mmの箇所に、陽極としての銀線を取り付けた。また、上記箔の縦方向の片端(ただし、前記一方の端)から4mmの部分(4mm×3.3mm)を、濃度が10%のアジピン酸アンモニウム水溶液を用いて化成処理を行って誘電体被膜を形成させ、設定静電容量が25μF以上、設定ESRが10mΩ以下のコンデンサ素子を作製した。
実施例85の導電性高分子の分散液に代えて、実施例86の導電性高分子の分散液を用い、かつ、実施例14の導電性高分子の分散液に代えて、実施例17の導電性高分子の分散液を用いた以外は、すべて実施例92と同様の操作を行って、積層型アルミニウム固体電解コンデンサを作製した。
実施例85の導電性高分子の分散液に代えて、実施例87の導電性高分子の分散液を用い、かつ、実施例14の導電性高分子の分散液に代えて、実施例18の導電性高分子の分散液を用いた以外は、すべて実施例92と同様の操作を行って、積層型アルミニウム固体電解コンデンサを作製した。
実施例85の導電性高分子の分散液に代えて、実施例88の導電性高分子の分散液を用い、かつ、実施例14の導電性高分子の分散液に代えて、実施例61の導電性高分子の分散液を用いた以外は、すべて実施例92と同様の操作を行って、積層型アルミニウム固体電解コンデンサを作製した。
実施例85の導電性高分子の分散液に代えて、実施例89の導電性高分子の分散液を用い、かつ、実施例14の導電性高分子の分散液に代えて、実施例62の導電性高分子の分散液を用いた以外は、すべて実施例92と同様の操作を行って、積層型アルミニウム固体電解コンデンサを作製した。
実施例85の導電性高分子の分散液に代えて、実施例90の導電性高分子の分散液を用い、かつ、実施例14の導電性高分子の分散液に代えて、実施例63の導電性高分子の分散液を用いた以外は、すべて実施例92と同様の操作を行って、積層型アルミニウム固体電解コンデンサを作製した。
実施例85の導電性高分子の分散液に代えて、実施例91の導電性高分子の分散液を用い、かつ、実施例14の導電性高分子の分散液に代えて、実施例64の導電性高分子の分散液を用いた以外は、すべて実施例92と同様の操作を行って、積層型アルミニウム固体電解コンデンサを作製した。
実施例85の導電性高分子の分散液に代えて、比較例15の導電性高分の分散液を用い、かつ、実施例14の導電性高分子の分散液に代えて、比較例1の分散液を用いた以外は、すべて実施例92と同様の操作を行って、積層型アルミニウム固体電解コンデンサを作製した。
実施例85の導電性高分子の分散液に代えて、比較例16の導電性高分子の分散液を用い、かつ、実施例14の導電性高分子の分散液に代えて、比較例2の導電性高分子の分散液を用いた以外は、すべて実施例92と同様の操作を行って、積層型アルミニウム固体電解コンデンサを作製した。
この透明導電性フィルムでの評価では、本発明の導電性高分子の分散液を用いて実施例99~109の透明導電性フィルムを作製し、それらとの比較のため、ポリスチレンスルホン酸をドーパントとして合成した導電性高分子の分散液を用いて比較例19の透明導電性フィルムを作製して、それらの特性を評価する。
製造例1で得たスチレンスルホン酸とメタクリル酸ヒドロキシエチルとの質量比が9:1の共重合体の4%水溶液600gを内容積1Lのステンレス鋼製容器に入れ、そこに触媒として硫酸第一鉄・7水和物を0.3g添加して溶解した。その中に3,4-エチレンジオキシチオフェンを4mLゆっくり滴下した。ステンレス鋼製の撹拌バネで撹拌し、容器に陽極を取り付け、撹拌バネに陰極を取り付け、1mA/cm2の定電流で18時間電解酸化重合して、導電性高分子を合成した。上記電解酸化重合後、水で4倍に希釈した後、超音波ホモジナイザー〔日本精機社製、US-T300(商品名)〕で30分間分散処理を行った。
製造例1で得た共重合体に代えて、製造例2で得たスチレンスルホン酸とメタクリル酸ヒドロキシエチルとの質量比が8:2の共重合体を用いた以外は、すべて実施例99と同様の操作を行って、透明導電性フィルム用塗料を得た。この実施例100の透明導電性フィルム用塗料は、実施例99と同様の操作を行って得たものであることから、実施例99と同様にバインダとしてのスルホン化ポリエステルが添加されている。また、ドーパントとして用いた共重合体も、実施例99と同様に、4%水溶液にし、その4%水溶液を600g使用している。そして、これらは、以下に示す実施例101~109の透明導電性フィルム用塗料や比較例19の透明導電性フィルム用塗料においても同様である。
製造例1で得た共重合体に代えて、製造例4で得たスチレンスルホン酸とメタクリル酸グリシジルとの質量比が9:1の共重合体を用いた以外は、すべて実施例99と同様の操作を行って、透明導電性フィルム用塗料を得、その透明導電性フィルム用塗料を実施例99と同様に透明ポリエステルシートに塗布し、乾燥して透明導電性フィルムを得た。
製造例1で得た共重合体に代えて、製造例5で得たスチレンスルホン酸とアクリル酸ヒドロキシエチルとの質量比が9:1の共重合体を用いた以外は、すべて実施例99と同様の操作を行って、透明導電性フィルム用塗料を得、その透明導電性フィルム用塗料を実施例99と同様に透明ポリエステルシートに塗布し、乾燥して透明導電性フィルムを得た。
製造例1で得た共重合体に代えて、製造例7で得たスチレンスルホン酸とメタクリル酸ヒドロキシプロピルとの質量比が9.8:0.2の共重合体を用いた以外は、すべて実施例99と同様の操作を行って、透明導電性フィルム用塗料を得、その透明導電性フィルム用塗料を実施例99と同様に透明ポリエステルシートに塗布し、乾燥して透明導電性フィルムを得た。
製造例1で得た共重合体に代えて、製造例8で得たスチレンスルホン酸とメタクリル酸ヒドロキシプロピルとの質量比が9.5:0.5の共重合体を用いた以外は、すべて実施例99と同様の操作を行って、透明導電性フィルム用塗料を得、その透明導電性フィルム用塗料を実施例99と同様に透明ポリエステルシートに塗布し、乾燥して透明導電性フィルムを得た。
製造例1で得た共重合体に代えて、製造例9で得たスチレンスルホン酸とメタクリル酸ヒドロキシプロピルとの質量比が9:1の共重合体を用いた以外は、すべて実施例99と同様の操作を行って、透明導電性フィルム用塗料を得、その透明導電性フィルム用塗料を実施例99と同様に透明ポリエステルシートに塗布し、乾燥して透明導電性フィルムを得た。
製造例1で得た共重合体に代えて、製造例10で得たスチレンスルホン酸と3-メタクリロキシプロピルトリメトキシシランとの質量比が9:1の共重合体を用いた以外は、すべて実施例99と同様の操作を行って、透明導電性フィルム用塗料を得、その透明導電性フィルム用塗料を実施例99と同様に透明ポリエステルシートに塗布し、乾燥して透明導電性フィルムを得た。
製造例1で得た共重合体に代えて、製造例11で得たスチレンスルホン酸とビニルトリメトキシシランとの質量比が9:1の共重合体を用いた以外は、すべて実施例99と同様の操作を行って、透明導電性フィルム用塗料を得、その透明導電性フィルム用塗料を実施例99と同様に透明ポリエステルシートに塗布し、乾燥して透明導電性フィルムを得た。
製造例1で得た共重合体に代えて、製造例12で得たスチレンスルホン酸と3-アクリロキシプロピルトリメトキシシランとの質量比が9:1の共重合体を用いた以外は、すべて実施例99と同様の操作を行って、透明導電フィルム用塗料を得た、その透明導電性フィルム用塗料を実施例99と同様に透明ポリエステルシートに塗布し、乾燥して透明導電性フィルムを得た。
製造例1で得た共重合体に代えて、製造例13で得たスチレンスルホン酸とp-スチリルトリメトキシシランとの質量比が9:1の共重合体を用いた以外は、すべて実施例99と同様の操作を行って、透明導電性フィルム用塗料を得、その透明導電性フィルム用塗料を実施例99と同様に透明ポリエステルシートに塗布し、乾燥して透明導電性フィルムを得た。
製造例1で得た共重合体に代えて、ポリスチレンスルホン酸(テイカ社製、重量平均分子量100,000)を用いた以外は、すべて実施例99と同様の操作を行って、透明導電フィルム用塗料を得た、その透明導電性フィルム用塗料を実施例99と同様に透明ポリエステルシートに塗布し、乾燥して透明導電性フィルムを得た。
三菱化学アナリテック社製ロレスタ-GP〔MCP-T610型、直列4探針プローブ(ASP)〕を用いて温度250℃で測定した。
測定にあたっては、各試料とも10個ずつ用い、表15に示す表面抵抗値は、それら10個の平均値を求め、小数点以下を四捨五入して示したものである。そして、この表面抵抗値が小さいほど、試験に供した透明導電性フィルムの導電性が高いことを示す。
スガ試験機株式会社製HZ-2P型〔ダブルビ-ム形式(C光・D65光)〕を用い、温度25℃で測定した。測定にあたっては、各試料とも10個ずつ用い、表15に示す全光線透過率値は、それら10個の平均値を求め、小数点第二位を四捨五入して示したものである。
スガ試験機株式会社製HZ-2P型〔ダブルビ-ム形式(C光・D65光)〕を用い、温度25℃で測定した。測定にあたっては、各試料とも10個ずつ用い、表15に示すHaze値は、それら10個の平均値を求め、小数点第二位を四捨五入して示したものである。そして、このHazeは、値が小さいほど、透明性が高いことを示す。
クロスカットガイドを用いてJIS-K-5600に規定の方法により温度25℃で試験し、剥離した格子目の数を調べた。表16には、クロスカットテープ剥離試験に供した全格子目数の25を分母に示し、剥離した格子目の数を分子に示す態様で表示する。
ラビングテスター(荷重100g、先端接触部にガーゼを巻き、固定した)を用い、50往復した前後の表面抵抗値の変化率を調べ、表16には下記の計算式により求めた表面抵抗値変化率で示す。この表面抵抗変化率が小さいほど密着性が良いことを示す。
(表面抵抗値変化率) = (耐傷性試験後の表面抵抗値) ÷ (耐傷性試験前の表面抵抗値)
上記表面抵抗値や全光線透過率などの測定に使用したものとは別途作製した実施例99~109および比較例19の透明導電性フィルム(以下、この「透明導電性フィルム」を簡略化して「フィルム」という場合がある)について、前記と同様に、表面抵抗値を測定した後、耐湿熱性試験については、それらのフィルムを下記の(A)および(B)の条件
(A)65℃で相対湿度95%の恒温恒湿機中
(B)85℃で相対湿度85%の恒温恒湿機中
下において静置状態でそれぞれ別々に250時間貯蔵し、その貯蔵後、130℃で90秒間乾燥し、その後、前記と同様に、表面抵抗値を測定した。そして、それらの結果に基づき、次の式により、耐湿熱性試験下での貯蔵による表面抵抗値の変化率を求めた。
(表面抵抗値変化率) = (耐湿熱性試験後の表面抵抗値) ÷ (耐湿熱性試験前の表面抵抗値)
(C)85℃のオーブン中
下において静置状態でそれぞれ別々に250時間貯蔵した後、前記と同様に、表面抵抗値を測定し、その貯蔵による表面抵抗値の変化率を次の式により求めた。
(表面抵抗値変化率) = (耐熱性試験後の表面抵抗値) ÷ (耐熱性試験前の表面抵抗値)
(A)「65℃相対湿度95%の恒温恒湿機中」→「65℃/95%」
(B)「85℃相対湿度85%の恒温恒湿機中」→「85℃/85%」
(C)「85℃のオーブン中」→「85℃」
Claims (19)
- スチレンスルホン酸と、メタクリル酸エステル、アクリル酸エステルおよび不飽和炭化水素含有アルコキシシラン化合物またはその加水分解物よりなる群から選ばれる少なくとも1種の非スルホン酸系モノマーとの共重合体の存在下で、チオフェンまたはその誘導体を水中または水と水混和性溶剤との混合物からなる水性液中で酸化重合することにより得られたことを特徴とする導電性高分子の分散液。
- 下記(I)と(II)との存在下で、チオフェンまたはその誘導体を水中または水と水混和性溶剤との混合物からなる水性液中で酸化重合することにより得られたことを特徴とする導電性高分子の分散液。
(I):スチレンスルホン酸と、メタクリル酸エステル、アクリル酸エステルおよび不飽和炭化水素含有アルコキシシラン化合物またはその加水分解物よりなる群から選ばれる少なくとも1種の非スルホン酸系モノマーとの共重合体
(II):ポリスチレンスルホン酸 - 下記(I)の存在下で、チオフェンまたはその誘導体を水中または水と水混和性溶剤との混合物からなる水性液中で酸化重合することにより得られた導電性高分子と、下記(III)
の存在下で、チオフェンまたはその誘導体を水中または水と水混和性溶剤との混合物からなる水性液中で酸化重合することにより得られた導電性高分子とを含むことを特徴とする導電性高分子の分散液。
(I):スチレンスルホン酸と、メタクリル酸エステル、アクリル酸エステルおよび不飽和炭化水素含有アルコキシシラン化合物またはその加水分解物よりなる群から選ばれる少なくとも1種の非スルホン酸系モノマーとの共重合体
(III):スルホン化ポリエステルおよびフェノールスルホン酸ノボラック樹脂よりなる群から選ばれる少なくとも1種のポリマーアニオン - 下記(I)と(II)との存在下で、チオフェンまたはその誘導体を水中または水と水混和性溶剤との混合物からなる水性液中で酸化重合することにより得られた導電性高分子と、下記(III)の存在下で、チオフェンまたはその誘導体を水中または水と水混和性溶剤との混合物からなる水性液中で酸化重合することにより得られた導電性高分子とを含むことを特徴とする導電性高分子の分散液。
(I):スチレンスルホン酸と、メタクリル酸エステル、アクリル酸エステルおよび不飽和炭化水素含有アルコキシシラン化合物またはその加水分解物よりなる群から選ばれる少なくとも1種の非スルホン酸系モノマーとの共重合体
(II):ポリスチレンスルホン酸
(III):スルホン化ポリエステルおよびフェノールスルホン酸ノボラック樹脂よりなる群から選ばれる少なくとも1種のポリマーアニオン - 下記(I)と(III)との存在下で、チオフェンまたはその誘導体を水中または水と水混和性溶剤との混合物からなる水性液中で酸化重合することにより得られたことを特徴とする導電性高分子の分散液。
(I):スチレンスルホン酸と、メタクリル酸エステル、アクリル酸エステルおよび不飽和炭化水素含有アルコキシシラン化合物またはその加水分解物よりなる群から選ばれる少なくとも1種の非スルホン酸系モノマーとの共重合体
(III):スルホン化ポリエステルおよびフェノールスルホン酸ノボラック樹脂よりなる群から選ばれる少なくとも1種のポリマーアニオン - 下記(I)と(II)と(III)との存在下で、チオフェンまたはその誘導体を水中または水と水混和性溶剤との混合物からなる水性液中で酸化重合することにより得られたことを特徴とする導電性高分子の分散液。
(I):スチレンスルホン酸と、メタクリル酸エステル、アクリル酸エステルおよび不飽和炭化水素含有アルコキシシラン化合物またはその加水分解物よりなる群から選ばれる少なくとも1種の非スルホン酸系モノマーとの共重合体
(II):ポリスチレンスルホン酸
(III):スルホン化ポリエステルおよびフェノールスルホン酸ノボラック樹脂よりなる群から選ばれる少なくとも1種のポリマーアニオン - 前記共重合体のスチレンスルホン酸と、メタクリル酸エステル、アクリル酸エステルおよび不飽和炭化水素含有アルコキシシラン化合物またはその加水分解物よりなる群から選ばれる少なくとも1種の非スルホン酸系モノマーとの比率が、質量比で、1:0.01~0.1:1であることを特徴とする請求項1~6のいずれかに記載の導電性高分子の分散液。
- 下記(I)と(II)との比率が、質量比で、1:0.01~0.1:1であることを特徴とする請求項2、請求項4または請求項6記載の導電性高分子の分散液。
(I):スチレンスルホン酸と、メタクリル酸エステル、アクリル酸エステルおよび不飽和炭化水素含有アルコキシシラン化合物またはその加水分解物よりなる群から選ばれる少なくとも1種の非スルホン酸系モノマーとの共重合体
(II):ポリスチレンスルホン酸 - メタクリル酸エステルが、メタクリル酸ヒドロキシアルキルであることを特徴とする請求項1~8のいずれかに記載の導電性高分子の分散液。
- アクリル酸エステルが、アクリル酸ヒドロキシルアルキルである請求項1~8のいずれかに記載の導電性高分子の分散液。
- アルキル基の炭素数が、1~4である請求項9または10記載の導電性高分子の分散液。
- 不飽和炭化水素含有アルコキシシラン化合物が、3-メタクリロキシプロピルトリメトキシシラン、3-アクリロキシトリメトキシシラン、p-スチリルトリメトキシシランおよびビニルトリメトキシシランよりなる群から選ばれる少なくとも1種である請求項1~8のいずれかに記載の導電性高分子の分散液。
- チオフェンの誘導体が、3,4-エチレンジオキシチオフェンであることを特徴とする請求項1~12のいずかに記載の導電性高分子の分散液。
- 請求項1~13のいずかに記載の導電性高分子の分散液に沸点が150℃以上の高沸点有機溶剤または糖類からなる導電性向上剤を添加したことを特徴とする導電性高分子の分散液。
- さらにバインダを添加したことを特徴とする請求項1~14のいずれかに記載の導電性高分子の分散液。
- 請求項1~15のいずれかに記載の導電性高分子の分散液を乾燥して得られたことを特徴とする導電性高分子。
- 請求項16記載の導電性高分子を固体電解質として用いたことを特徴とする固体電解コンデンサ。
- 請求項16記載の導電性高分子からなる固体電解質と電解液とを併用したことを特徴とする固体電解コンデンサ。
- 請求項16記載の導電性高分子からなることを特徴とする導電性フィルム。
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14/342,757 US9460860B2 (en) | 2011-09-06 | 2012-08-24 | Dispersion of electrically conductive polymer, and electrically conductive polymer and use thereof |
| KR1020137032817A KR101644681B1 (ko) | 2011-09-06 | 2012-08-24 | 고체 전해 컨덴서 |
| CN201280041177.5A CN103748164B (zh) | 2011-09-06 | 2012-08-24 | 导电性高分子分散液、导电性高分子及其用途 |
| KR1020167007108A KR101644770B1 (ko) | 2011-09-06 | 2012-08-24 | 도전성 고분자의 분산액, 도전성 고분자 및 그 용도 |
| JP2013505651A JP5252669B1 (ja) | 2011-09-06 | 2012-08-24 | 固体電解コンデンサ |
| US15/284,072 US9953767B2 (en) | 2011-09-06 | 2016-10-03 | Conductive polymer dispersion liquid, a conductive polymer, and use thereof |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011193473 | 2011-09-06 | ||
| JP2011-193473 | 2011-09-06 | ||
| JP2012023622 | 2012-02-07 | ||
| JP2012-023622 | 2012-02-07 |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US14/342,757 A-371-Of-International US9460860B2 (en) | 2011-09-06 | 2012-08-24 | Dispersion of electrically conductive polymer, and electrically conductive polymer and use thereof |
| US15/284,072 Division US9953767B2 (en) | 2011-09-06 | 2016-10-03 | Conductive polymer dispersion liquid, a conductive polymer, and use thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2013035548A1 true WO2013035548A1 (ja) | 2013-03-14 |
Family
ID=47831998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2012/071415 Ceased WO2013035548A1 (ja) | 2011-09-06 | 2012-08-24 | 導電性高分子の分散液、導電性高分子およびその用途 |
Country Status (6)
| Country | Link |
|---|---|
| US (2) | US9460860B2 (ja) |
| JP (2) | JP5252669B1 (ja) |
| KR (2) | KR101644770B1 (ja) |
| CN (2) | CN103748164B (ja) |
| TW (2) | TWI555794B (ja) |
| WO (1) | WO2013035548A1 (ja) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5476618B1 (ja) * | 2013-03-29 | 2014-04-23 | パナソニック株式会社 | 導電性高分子微粒子分散体の製造方法およびその導電性高分子微粒子分散体を用いた電解コンデンサの製造方法 |
| JP2014198827A (ja) * | 2014-01-31 | 2014-10-23 | パナソニック株式会社 | 導電性高分子微粒子分散体の製造方法およびその導電性高分子微粒子分散体を用いた電解コンデンサの製造方法 |
| JP2015060897A (ja) * | 2013-09-18 | 2015-03-30 | テイカ株式会社 | 正孔輸送材料、エレクトロルミネッセンス素子および薄膜太陽電池 |
| WO2016006236A1 (ja) * | 2014-07-10 | 2016-01-14 | パナソニックIpマネジメント株式会社 | 電解コンデンサおよびその製造方法 |
| WO2016157768A1 (ja) * | 2015-03-31 | 2016-10-06 | パナソニックIpマネジメント株式会社 | 電解コンデンサおよび導電性高分子分散体 |
| JP2016204646A (ja) * | 2015-04-15 | 2016-12-08 | 東ソー有機化学株式会社 | 水溶性共重合体及びその製造方法 |
| JP2017048291A (ja) * | 2015-09-01 | 2017-03-09 | テイカ株式会社 | 導電性高分子組成物、その分散液、その製造方法およびその用途 |
| JP2017057267A (ja) * | 2015-09-16 | 2017-03-23 | テイカ株式会社 | 導電性高分子組成物およびその用途 |
| JP2019522354A (ja) * | 2016-05-19 | 2019-08-08 | ケメット エレクトロニクス コーポレーション | 固体電解コンデンサにおいて導電性ポリマーと共に使用するためのポリアニオンコポリマー |
| CN110564095A (zh) * | 2019-08-14 | 2019-12-13 | 湖南艾华集团股份有限公司 | 一种用于固态电解电容的导电高分子材料 |
| WO2021186942A1 (ja) * | 2020-03-19 | 2021-09-23 | 東レ株式会社 | 導電性組成物およびそれを含む導電膜、センサ、生体センサ、フレキシブルデバイス、ならびに導電性布帛およびそれを含む生体電極、ウェアラブルデバイス |
Families Citing this family (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9460860B2 (en) * | 2011-09-06 | 2016-10-04 | Tayca Corporation | Dispersion of electrically conductive polymer, and electrically conductive polymer and use thereof |
| US10879010B2 (en) * | 2012-02-27 | 2020-12-29 | Kemet Electronics Corporation | Electrolytic capacitor having a higher cap recovery and lower ESR |
| FR3001579B1 (fr) * | 2013-01-31 | 2015-02-20 | Commissariat Energie Atomique | Elaboration de dispositifs optoelectroniques, notamment de cellules opv de type inverse |
| FR3012456B1 (fr) * | 2013-10-31 | 2018-01-26 | Arkema France | Procede de synthese de pedot-(co) - polymere electrolyte |
| JP6415146B2 (ja) * | 2014-07-14 | 2018-10-31 | テイカ株式会社 | 電解コンデンサ製造用の導電性高分子の分散液およびそれを用いて製造した電解コンデンサ。 |
| CN104211969B (zh) * | 2014-09-10 | 2017-02-01 | 万星光电子(东莞)有限公司 | Pedot/pss分散液的制备方法、高压固态电容的制备方法 |
| JP6745431B2 (ja) * | 2015-05-29 | 2020-08-26 | パナソニックIpマネジメント株式会社 | 電解コンデンサおよび導電性高分子分散体 |
| JP6639153B2 (ja) * | 2015-08-27 | 2020-02-05 | テイカ株式会社 | 電解コンデンサ |
| JP6901158B2 (ja) * | 2015-09-16 | 2021-07-14 | テイカ株式会社 | 導電性高分子組成物およびその用途 |
| CN108780701B (zh) * | 2016-03-25 | 2021-04-06 | 松下知识产权经营株式会社 | 电解电容器的制造方法 |
| US11396594B2 (en) | 2016-05-19 | 2022-07-26 | Kemet Electronics Corporation | Formulation for use with conducting polymers in solid electrolytic capacitors |
| CN112889123A (zh) | 2018-08-10 | 2021-06-01 | 阿维科斯公司 | 包含本征导电聚合物的固体电解电容器 |
| WO2020033817A1 (en) | 2018-08-10 | 2020-02-13 | Avx Corporation | Solid electrolytic capacitor containing polyaniline |
| WO2020033820A1 (en) | 2018-08-10 | 2020-02-13 | Avx Corporation | Solid electrolytic capacitor formed from conductive polymer particles |
| CN113196429A (zh) | 2018-12-11 | 2021-07-30 | 阿维科斯公司 | 含有本征导电聚合物的固体电解电容器 |
| CN109761322B (zh) * | 2019-03-04 | 2021-11-09 | 杭州新坐标科技股份有限公司 | 一种水处理复合杀菌方法及其装置 |
| CN110165295B (zh) * | 2019-06-03 | 2021-01-19 | 宁德新能源科技有限公司 | 复合电解质及使用其的电化学装置和电子装置 |
| US11670461B2 (en) | 2019-09-18 | 2023-06-06 | KYOCERA AVX Components Corporation | Solid electrolytic capacitor for use at high voltages |
| DE112020006028T5 (de) | 2019-12-10 | 2022-10-06 | KYOCERA AVX Components Corporation | Festelektrolytkondensator, der eine Vorbeschichtung und ein intrinsisch leitfähiges Polymer enthält |
| KR102774931B1 (ko) | 2019-12-10 | 2025-03-04 | 교세라 에이브이엑스 컴포넌츠 코포레이션 | 안정성이 증가된 탄탈 커패시터 |
| JP7573380B2 (ja) * | 2020-06-04 | 2024-10-25 | 信越ポリマー株式会社 | キャパシタ用陽極の製造方法、及びキャパシタの製造方法 |
| US11631548B2 (en) | 2020-06-08 | 2023-04-18 | KYOCERA AVX Components Corporation | Solid electrolytic capacitor containing a moisture barrier |
| US11894199B2 (en) * | 2020-06-11 | 2024-02-06 | Pacesetter, Inc. | Method of aging an aluminum electrolytic capacitor |
| CN112266457B (zh) * | 2020-11-06 | 2022-04-05 | 广州市嵩达新材料科技有限公司 | 一种光固化亲水型聚脲纳米粒子及其制备方法和应用 |
| CN112759996B (zh) * | 2020-12-31 | 2022-03-15 | 江苏富琪森新材料有限公司 | 一种pedot/聚丙烯酸酯修饰的聚噻吩抗静电材料及其制备方法 |
| EP4328247A1 (en) * | 2022-08-25 | 2024-02-28 | Henkel AG & Co. KGaA | Conductive pressure sensitive adhesive |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009131011A1 (ja) * | 2008-04-21 | 2009-10-29 | テイカ株式会社 | 導電性組成物の分散液、導電性組成物およびその用途 |
| WO2009131012A1 (ja) * | 2008-04-21 | 2009-10-29 | テイカ株式会社 | 導電性組成物の分散液、導電性組成物および固体電解コンデンサ |
| WO2010095652A1 (ja) * | 2009-02-17 | 2010-08-26 | 綜研化学株式会社 | 複合導電性高分子組成物、その製法、当該組成物を含有する溶液、および当該組成物の用途 |
| WO2010095648A1 (ja) * | 2009-02-17 | 2010-08-26 | 綜研化学株式会社 | 複合導電性ポリマー組成物、その製造方法、当該組成物を含有する溶液、および当該組成物の用途 |
| WO2010095651A1 (ja) * | 2009-02-17 | 2010-08-26 | 綜研化学株式会社 | 複合導電性高分子組成物、その製造法、当該組成物を含有する溶液、および当該組成物の用途 |
| WO2010095649A1 (ja) * | 2009-02-17 | 2010-08-26 | 綜研化学株式会社 | 複合導電性ポリマー組成物、その製造法、当該組成物を含有する溶液、および当該組成物の用途 |
| WO2010095650A1 (ja) * | 2009-02-17 | 2010-08-26 | 綜研化学株式会社 | 複合導電性高分子組成物、その製造方法、当該組成物を含有する溶液、および当該組成物の用途 |
| JP4573363B1 (ja) * | 2010-06-01 | 2010-11-04 | テイカ株式会社 | 有機溶剤系導電性高分子分散液の製造方法およびその応用 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1484426A (en) * | 1974-09-02 | 1977-09-01 | Nippon Synthetic Chem Ind | Electroconductive polymer composition |
| JPS63173510A (ja) * | 1987-01-12 | 1988-07-18 | 株式会社クボタ | 水田作業機の傾斜検出機構 |
| EP0440957B1 (de) | 1990-02-08 | 1996-03-27 | Bayer Ag | Neue Polythiophen-Dispersionen, ihre Herstellung und ihre Verwendung |
| JP3509205B2 (ja) | 1994-08-01 | 2004-03-22 | 東洋紡績株式会社 | 有機重合体組成物、これを用いた導電性薄膜および薄膜の製造方法 |
| JP3906071B2 (ja) | 2000-12-27 | 2007-04-18 | 日東電工株式会社 | 導電性ポリアニリン組成物、そのフィルム及びそれらの製造方法 |
| JP4688125B2 (ja) | 2001-11-27 | 2011-05-25 | テイカ株式会社 | 導電性高分子およびそれを用いた固体電解コンデンサ |
| JP2004265927A (ja) | 2003-02-13 | 2004-09-24 | Sanyo Electric Co Ltd | 固体電解コンデンサの製造方法 |
| KR100810682B1 (ko) * | 2006-11-08 | 2008-03-07 | 제일모직주식회사 | 전도성 고분자 중합체, 전도성 고분자 공중합체 조성물,전도성 고분자 공중합체 조성물막, 및 이를 이용한 유기광전 소자 |
| KR20100016536A (ko) * | 2007-04-16 | 2010-02-12 | 넥센 그룹 인코포레이티드 | 모션 제어 장치 |
| JP4740193B2 (ja) | 2007-05-31 | 2011-08-03 | 日東電工株式会社 | 導電性ポリアニリン組成物とその製造方法 |
| US8324341B2 (en) * | 2007-06-26 | 2012-12-04 | Tayca Corporation | Agent serving as oxidant and dopant for conductive polymer production, an alcohol solution thereof, a conductive polymer synthesized by using the same, and a solid electrolytic capacitor using the conductive polymer as a solid electrolyte |
| KR100917709B1 (ko) * | 2007-10-23 | 2009-09-21 | 에스케이씨 주식회사 | 전도성 고분자 용액 조성물을 이용한 고분자 막 |
| KR101516838B1 (ko) * | 2009-09-30 | 2015-05-07 | 헤레우스 프레셔스 메탈스 게엠베하 운트 코. 카게 | 안정화된 티오펜 유도체 |
| US9460860B2 (en) * | 2011-09-06 | 2016-10-04 | Tayca Corporation | Dispersion of electrically conductive polymer, and electrically conductive polymer and use thereof |
-
2012
- 2012-08-24 US US14/342,757 patent/US9460860B2/en active Active
- 2012-08-24 CN CN201280041177.5A patent/CN103748164B/zh active Active
- 2012-08-24 KR KR1020167007108A patent/KR101644770B1/ko active Active
- 2012-08-24 CN CN201510768321.0A patent/CN105348667B/zh active Active
- 2012-08-24 JP JP2013505651A patent/JP5252669B1/ja active Active
- 2012-08-24 KR KR1020137032817A patent/KR101644681B1/ko active Active
- 2012-08-24 WO PCT/JP2012/071415 patent/WO2013035548A1/ja not_active Ceased
- 2012-09-05 TW TW101132242A patent/TWI555794B/zh active
- 2012-09-05 TW TW105112417A patent/TWI585149B/zh active
-
2013
- 2013-02-13 JP JP2013025064A patent/JP5281209B1/ja active Active
-
2016
- 2016-10-03 US US15/284,072 patent/US9953767B2/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009131011A1 (ja) * | 2008-04-21 | 2009-10-29 | テイカ株式会社 | 導電性組成物の分散液、導電性組成物およびその用途 |
| WO2009131012A1 (ja) * | 2008-04-21 | 2009-10-29 | テイカ株式会社 | 導電性組成物の分散液、導電性組成物および固体電解コンデンサ |
| WO2010095652A1 (ja) * | 2009-02-17 | 2010-08-26 | 綜研化学株式会社 | 複合導電性高分子組成物、その製法、当該組成物を含有する溶液、および当該組成物の用途 |
| WO2010095648A1 (ja) * | 2009-02-17 | 2010-08-26 | 綜研化学株式会社 | 複合導電性ポリマー組成物、その製造方法、当該組成物を含有する溶液、および当該組成物の用途 |
| WO2010095651A1 (ja) * | 2009-02-17 | 2010-08-26 | 綜研化学株式会社 | 複合導電性高分子組成物、その製造法、当該組成物を含有する溶液、および当該組成物の用途 |
| WO2010095649A1 (ja) * | 2009-02-17 | 2010-08-26 | 綜研化学株式会社 | 複合導電性ポリマー組成物、その製造法、当該組成物を含有する溶液、および当該組成物の用途 |
| WO2010095650A1 (ja) * | 2009-02-17 | 2010-08-26 | 綜研化学株式会社 | 複合導電性高分子組成物、その製造方法、当該組成物を含有する溶液、および当該組成物の用途 |
| JP4573363B1 (ja) * | 2010-06-01 | 2010-11-04 | テイカ株式会社 | 有機溶剤系導電性高分子分散液の製造方法およびその応用 |
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9530568B2 (en) | 2013-03-29 | 2016-12-27 | Panasonic Intellectual Property Management Co., Ltd. | Method of manufacturing conductive polymer microparticle dispersion and method of manufacturing electrolytic capacitor containing the conductive polymer microparticle dispersion |
| WO2014155422A1 (ja) * | 2013-03-29 | 2014-10-02 | パナソニック株式会社 | 導電性高分子微粒子分散体の製造方法およびその導電性高分子微粒子分散体を用いた電解コンデンサの製造方法 |
| CN104254568A (zh) * | 2013-03-29 | 2014-12-31 | 松下知识产权经营株式会社 | 导电性高分子微粒分散体的制造方法及使用了该导电性高分子微粒分散体的电解电容器的制造方法 |
| CN104254568B (zh) * | 2013-03-29 | 2015-11-18 | 松下知识产权经营株式会社 | 导电性高分子微粒分散体的制造方法及使用了该导电性高分子微粒分散体的电解电容器的制造方法 |
| JP5476618B1 (ja) * | 2013-03-29 | 2014-04-23 | パナソニック株式会社 | 導電性高分子微粒子分散体の製造方法およびその導電性高分子微粒子分散体を用いた電解コンデンサの製造方法 |
| JP2015060897A (ja) * | 2013-09-18 | 2015-03-30 | テイカ株式会社 | 正孔輸送材料、エレクトロルミネッセンス素子および薄膜太陽電池 |
| JP2014198827A (ja) * | 2014-01-31 | 2014-10-23 | パナソニック株式会社 | 導電性高分子微粒子分散体の製造方法およびその導電性高分子微粒子分散体を用いた電解コンデンサの製造方法 |
| JPWO2016006236A1 (ja) * | 2014-07-10 | 2017-04-27 | パナソニックIpマネジメント株式会社 | 電解コンデンサおよびその製造方法 |
| WO2016006236A1 (ja) * | 2014-07-10 | 2016-01-14 | パナソニックIpマネジメント株式会社 | 電解コンデンサおよびその製造方法 |
| US10236130B2 (en) | 2014-07-10 | 2019-03-19 | Panasonic Intellectual Property Management Co., Ltd. | Electrolytic capacitor and method for manufacturing same |
| WO2016157768A1 (ja) * | 2015-03-31 | 2016-10-06 | パナソニックIpマネジメント株式会社 | 電解コンデンサおよび導電性高分子分散体 |
| JPWO2016157768A1 (ja) * | 2015-03-31 | 2018-02-01 | パナソニックIpマネジメント株式会社 | 電解コンデンサおよび導電性高分子分散体 |
| JP2016204646A (ja) * | 2015-04-15 | 2016-12-08 | 東ソー有機化学株式会社 | 水溶性共重合体及びその製造方法 |
| JP2017048291A (ja) * | 2015-09-01 | 2017-03-09 | テイカ株式会社 | 導電性高分子組成物、その分散液、その製造方法およびその用途 |
| JP2017057267A (ja) * | 2015-09-16 | 2017-03-23 | テイカ株式会社 | 導電性高分子組成物およびその用途 |
| JP2019522354A (ja) * | 2016-05-19 | 2019-08-08 | ケメット エレクトロニクス コーポレーション | 固体電解コンデンサにおいて導電性ポリマーと共に使用するためのポリアニオンコポリマー |
| CN110564095A (zh) * | 2019-08-14 | 2019-12-13 | 湖南艾华集团股份有限公司 | 一种用于固态电解电容的导电高分子材料 |
| WO2021186942A1 (ja) * | 2020-03-19 | 2021-09-23 | 東レ株式会社 | 導電性組成物およびそれを含む導電膜、センサ、生体センサ、フレキシブルデバイス、ならびに導電性布帛およびそれを含む生体電極、ウェアラブルデバイス |
Also Published As
| Publication number | Publication date |
|---|---|
| KR101644681B1 (ko) | 2016-08-01 |
| US9953767B2 (en) | 2018-04-24 |
| US9460860B2 (en) | 2016-10-04 |
| CN105348667A (zh) | 2016-02-24 |
| CN105348667B (zh) | 2018-01-23 |
| KR20160034431A (ko) | 2016-03-29 |
| CN103748164B (zh) | 2016-09-14 |
| TW201315769A (zh) | 2013-04-16 |
| US20140211374A1 (en) | 2014-07-31 |
| TWI555794B (zh) | 2016-11-01 |
| JP5252669B1 (ja) | 2013-07-31 |
| JP5281209B1 (ja) | 2013-09-04 |
| TWI585149B (zh) | 2017-06-01 |
| JPWO2013035548A1 (ja) | 2015-03-23 |
| TW201629149A (zh) | 2016-08-16 |
| JP2013177588A (ja) | 2013-09-09 |
| US20170025227A1 (en) | 2017-01-26 |
| KR20140057490A (ko) | 2014-05-13 |
| CN103748164A (zh) | 2014-04-23 |
| KR101644770B1 (ko) | 2016-08-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5281209B1 (ja) | 導電性高分子の分散液、導電性高分子およびその用途 | |
| JP6580436B2 (ja) | 導電性高分子組成物およびその用途 | |
| JP6639153B2 (ja) | 電解コンデンサ | |
| JP4454041B2 (ja) | 導電性組成物の分散液、導電性組成物およびその用途 | |
| JP6180010B2 (ja) | 電解コンデンサの製造方法 | |
| JP5259895B1 (ja) | 電解コンデンサおよびその製造方法 | |
| JP5725637B1 (ja) | 導電性高分子製造用モノマー液およびそれを用いる電解コンデンサの製造方法 | |
| WO2009131012A1 (ja) | 導電性組成物の分散液、導電性組成物および固体電解コンデンサ | |
| JP6580424B2 (ja) | 導電性高分子組成物、その分散液、その製造方法およびその用途 | |
| JP6016780B2 (ja) | 導電性高分子溶液及びその製造方法、導電性高分子材料、ならびにそれを用いた固体電解コンデンサ及びその製造方法 | |
| CN103460319B (zh) | 导电性聚合物水性悬浮液及其制备方法、导电性有机材料,以及固体电解电容器及其制备方法 | |
| JP6901158B2 (ja) | 導電性高分子組成物およびその用途 | |
| JP2010132873A (ja) | 導電性高分子の分散液の製造方法、導電性高分子の分散液、導電性高分子およびその用途 | |
| JP7638722B2 (ja) | 導電性高分子分散液、導電性高分子膜および電解コンデンサ |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ENP | Entry into the national phase |
Ref document number: 2013505651 Country of ref document: JP Kind code of ref document: A |
|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 12829932 Country of ref document: EP Kind code of ref document: A1 |
|
| ENP | Entry into the national phase |
Ref document number: 20137032817 Country of ref document: KR Kind code of ref document: A |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 14342757 Country of ref document: US |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| 122 | Ep: pct application non-entry in european phase |
Ref document number: 12829932 Country of ref document: EP Kind code of ref document: A1 |