WO2006011512A1 - 有機無機複合塗膜及び水性塗料組成物 - Google Patents
有機無機複合塗膜及び水性塗料組成物 Download PDFInfo
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- WO2006011512A1 WO2006011512A1 PCT/JP2005/013731 JP2005013731W WO2006011512A1 WO 2006011512 A1 WO2006011512 A1 WO 2006011512A1 JP 2005013731 W JP2005013731 W JP 2005013731W WO 2006011512 A1 WO2006011512 A1 WO 2006011512A1
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- 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
- C09D5/02—Emulsion paints including aerosols
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- 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
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
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- 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
- C09D133/00—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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
- C09D133/14—Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur or oxygen atoms in addition to the carboxy oxygen
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- 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
- C09D179/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen, with or without oxygen, or carbon only, not provided for in groups C09D161/00 - C09D177/00
- C09D179/02—Polyamines
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- 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
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- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249967—Inorganic matrix in void-containing component
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- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/249921—Web or sheet containing structurally defined element or component
- Y10T428/249953—Composite having voids in a component [e.g., porous, cellular, etc.]
- Y10T428/249967—Inorganic matrix in void-containing component
- Y10T428/24997—Of metal-containing material
Definitions
- the present invention relates to an organic-inorganic composite coating film having a fine pore pattern on the surface and an aqueous coating composition that provides the organic-inorganic composite coating film.
- a coating film in which an inorganic material such as a metal oxide formed by a sol-Z gel reaction forms a continuous phase cannot be realized with a coating film in which an organic material forms a continuous phase. It has attracted attention as a next-generation coating material.
- such an inorganic coating film is excellent in solvent resistance, light resistance, weather resistance, etc., and can also provide additional functions such as anti-static if self-cleaning. There are great expectations for its application.
- metal oxide coatings are organic-inorganic composite coatings in which a polymer is hybridized in a matrix of an inorganic material, which is based on the research capabilities of biosilica.
- diatom cell membranes are basically composed of silica, and that the silica membrane has a very fine pattern of nanoscale strength and micron scale. ing.
- polyamines in vivo are deeply involved in the induction of this pattern (see Non-Patent Document 1). If such a fine pattern of biosilica can be realized on an inorganic coating film, it will bring great potential to the construction of various devices such as biosensors.
- the development of materials and the formation of spontaneous patterns that do not involve processing into inorganic materials are being studied.
- a silica block having a large number of holes of several hundred nm or more on its surface, which is produced using a biomolecule isolated from biosilica is disclosed (see Non-Patent Document 2).
- the silica block is not a film-like one, and the hole diameter of the hole has various sizes, and the pattern was not controlled.
- a silica Z polymer composite film having an uneven surface structure in which silica is generated around an amine polymer fixed on a gold surface is disclosed.
- the composite film is formed by immobilizing molecules having a polymerization initiating ability on the gold surface and polymerizing a polymerizable monomer having an amino group to form a large number of amine polymers on the gold surface in a brush shape. It is obtained by allowing the hydrolysis and condensation reaction of alkoxysilane to proceed in the vicinity of the polymer brush (see Non-Patent Document 3).
- the resulting composite coating surface has a fine nano-concave structure rather than a flat structure, but the concave-convex structure is formed by agglomeration of silica particles, and the surface shape is randomly formed. Therefore, it was not precisely patterned.
- Non-Patent Document 1 M. Hildebrand, Progress in Orgnic Coatings, 2003, 47th pp. 256-266
- Non-Patent Document 2 N, Poulsen et al., Proc. Natl. Acad. Sic. USA, 2003, No. 100, 12075-12080
- Non-Patent Document 3 Don Jin Kim et al., Langmure, 2004, Vol. 20, 7904-7 906
- the problem to be solved by the present invention is to provide an organic-inorganic composite coating film having a controlled pattern on the surface of a composite coating film in which an organic material is combined in an inorganic material matrix.
- the copolymer having a polyamine segment becomes a metal alkoxide that becomes an inorganic oxide in an aqueous medium and a stable sol-like aqueous coating composition, and the aqueous coating composition is used as a base material.
- the phase separation phenomenon between the copolymer and the inorganic oxide sol on the surface of the film fluctuates. As a result, the above problems were solved.
- the present invention is a composite coating film in which a copolymer having a polyamine segment is combined in a matrix that also has inorganic acidity, and has a fine pore pattern on the surface.
- An organic-inorganic composite coating film is provided.
- the pore diameter of the micropore is 20 ⁇ !
- the present invention also provides the organic-inorganic composite coating film as described above, which has a fine pore pattern force and a periodic structure pattern of fine pores.
- the present invention also provides the organic-inorganic composite coating film as described above, which has a fine pore pattern force in a close-packed form or a harcum form.
- the present invention also provides the organic-inorganic composite coating film as described above, wherein the inorganic oxide is an inorganic oxide obtained by a sol-gel reaction.
- the present invention also provides the organic-inorganic composite coating film as described above, which is a metal oxide of at least one metal species selected from inorganic acid strength Si, Ti, Zr, A1 and Zn. It is a thing.
- the present invention also provides that the polyamine segment comprises polyalkyleneimine, polyvinylamine, polyarylamine, polyvinylpyridine, polyaminoalkylmetatalylate, polyaminoalkyl acrylate, polyaminoalkylacrylamide, polyaminoalkylmethacrylamide and polyaminoalkyl.
- Styrene power The present invention provides the organic-inorganic composite coating film as described above, which is at least one polymer segment selected.
- the present invention also provides the organic-inorganic composite coating film as described above, wherein the ratio of the polyamine segment in the copolymer having a polyamine segment is in the range of 2 to 70% by mass.
- the present invention also provides the organic-inorganic composite coating film as described above, wherein the copolymer having a polyamine segment is a copolymer having a hydrophobic segment.
- the present invention provides the organic-inorganic composite coating film as described above, wherein the hydrophobic 'segment is at least one polymer segment selected from polystyrene, polyacrylate, polymethacrylate, and epoxy resin. Is. [0020]
- the present invention also provides the organic-inorganic composite coating film as described above, wherein the copolymer having a polyamine segment is a copolymer that forms an aggregate in an aqueous medium.
- the present invention also provides the organic-inorganic composite coating film as described above, which is a copolymer obtained by grafting a polyamine segment to a polymer particle having a polyamine segment.
- the present invention also provides an organic-inorganic composite coating film having a polyamine segment having an inorganic oxide content in the range of 40 to 95% by mass.
- the present invention also provides a sol-based aqueous coating composition obtained by mixing a copolymer having a polyamine segment, a metal alkoxide, and an aqueous medium on a substrate, and then volatilizing volatile components.
- An organic-inorganic composite coating film is provided.
- the present invention also provides an aqueous coating composition comprising a copolymer having a polyamine segment, a metal alkoxide, and an aqueous medium.
- the polyamine segment has a polyalkyleneimine, polyvinylamine, polyarylamine, polyvinylpyridine, polyaminoalkylmetatalylate, polyaminoalkyl acrylate, polyaminoalkylacrylamide, polyaminoalkylmethacrylamide and polyaminoalkyl.
- Styrene power The present invention provides the water-based coating composition as described above, which is at least one polyamine segment selected.
- the present invention also provides the water-based coating composition as described above, wherein the polyamine segment in the copolymer having a polyamine segment has a splitting force in the range of 2 to 70% by mass.
- the present invention also provides the aqueous coating composition as described above, wherein the copolymer having a polyamine segment is a copolymer having a hydrophobic polymer segment.
- the present invention also provides the water-based coating composition as described above, wherein the hydrophobic 'segment is at least one polymer segment selected from polystyrene, polyacrylate, polymethacrylate, and epoxy resin. It is.
- the present invention provides the aqueous coating composition as described above, wherein the copolymer having a polyamine segment is a copolymer that forms an aggregate in an aqueous medium.
- the metal alkoxide has an alkoxysilane or a reactive group.
- the water-based coating composition as described above, which is an alkylalkoxysilane, is provided.
- the ratio between the copolymer having a polyamine segment and the metal alkoxide is
- the water-based coating composition as described above is provided in a mass ratio represented by Z (metal alkoxide) in the range of 60Z40 to 5Z95.
- the organic-inorganic composite coating film of the present invention has a matrix of inorganic oxides, it has characteristics such as high hardness, flame retardancy, and semiconductivity, and various characteristics of the composite copolymer. In addition, it has a fine pore pattern on the coating surface.
- Such organic-inorganic composite coatings are devices with conductive metal lines built on the pattern surface, structural color materials, biosensors, biomolecules, catalyst immobilization, dye-sensitized solar cells, and light-emitting properties due to optical interference. Applications in many advanced material areas such as materials, super-hydrophobic or super-hydrophilic coating film configurations can be expected.
- FIG. 1 is an AFM image (3 m ⁇ 3 m) of the coating film surface obtained in Example 1.
- FIG. 2 is an AFM image (14 m ⁇ 14 m) of the coating surface obtained in Example 1.
- FIG. 3 is a scanning electron microscope image (scale bar: 3.22 ⁇ m) of the coating film surface obtained in Example 2.
- FIG. 4 is an AFM image (5 m ⁇ 5 m) of the coating film surface obtained in Example 3.
- FIG. 5 is an AFM image (5 m ⁇ 5 m) of the coating film surface obtained in Example 4.
- FIG. 6 is an AFM image (1 ⁇ m X l ⁇ m) of the coating surface obtained in Comparative Example 1.
- the organic-inorganic composite coating film of the present invention is a composite coating film in which a copolymer having a polyamine segment is combined in a matrix that also has inorganic acidity, and has a fine pore pattern on the surface. Is.
- the organic-inorganic composite coating film of the present invention has a matrix having inorganic acid strength.
- a matrix that also has an inorganic acidity and physical strength means that the continuous phase of inorganic oxide spreads throughout the coating film. The structure that has just been built.
- an inorganic oxide a product obtained by a sol-gel reaction of a metal alkoxide can be preferably used because it is easy to form a coating film.
- a metal alkoxide a trivalent or higher valent metal alkoxide that forms a network of inorganic oxides by hydrolysis can be preferably used.
- the metal species of the metal alkoxide Si, Ti, Zr, Al, B, Ge Zn, etc. are mentioned as examples, and among these, Si, Ti, Zr, Al, and Zn are preferable.
- metal alkoxides having Si as a metal species can be particularly preferably used because of easy handling and availability.
- alkoxysilanes and alkylalkoxysilanes having a reactive group can be preferably used.
- alkoxysilanes and alkoxysilanes having a reactive group include these oligomers.
- alkoxysilanes include tetramethoxysilane, tetraethoxysilane, tetra (2 ethanol) orthosilicate, tetra ( n -propoxy) silane, tetraalkoxysilanes such as tetra (isopropoxy) silane, and methyltrimethoxysilane.
- alkylalkoxysilanes having reactive groups include halogen-containing silanes.
- halogen-containing silanes include chlorosilanes such as tetrachlorosilane and methyltrichlorosilane.
- the above silanes may be partially hydrolyzed and oligomerized in advance, or the oligomerized products may be used in a silica sol state converted to silanol.
- the oligomerized alkoxysilane or the alkylalkoxysilane having a reactive group those having an average degree of polymerization of about 2 to 20 can be suitably used.
- various known acids and alkalis can be used as the hydrolysis catalyst.
- dialco such as dimethyldimethoxysilane, jetyldimethoxysilane, methylethyldimethoxysilane, diphenyldimethoxysilane, and phenylmethyldimethoxysilane.
- alkoxytitanium such as tetraisopropoxytitanium, tetraethoxytitanium, tetrabutoxytitanium and tetrapropoxytitanium
- alkoxyaluminum such as triethoxyaluminum
- These metal alkoxides may be of one kind or a plurality of kinds.
- alkoxysilane and dialkoxysilanes alkoxytitaniums or alkoxyaluminums are used in combination, dialkoxysilanes are used. It is preferable that the content of the alkoxide, alkoxytitanium and alkoxyaluminum is less than 10% by weight.
- the coating film hardness of the obtained coating film can be increased, which is preferable.
- the content of tetravalent or higher metal alkoxides in all metal alkoxides is 30% by mass or more. % Or more is more preferable.
- a copolymer having a polyamine segment is used as the organic material.
- the copolymer having the polyamine segment can be mixed with a metal alkoxide in an aqueous medium to form a stable sol-form aqueous coating composition.
- polyamine segment examples include polyalkyleneimines such as polyethyleneimine and polypropyleneimine, poly (N, N-dimethylaminoethyl acrylate), poly (N, N-dimethylaminopropyl acrylate).
- polyalkyleneimines such as polyethyleneimine and polypropyleneimine
- poly (N, N-dimethylaminopropyl acrylate) examples include polyalkyleneimines such as polyethyleneimine and polypropyleneimine, poly (N, N-dimethylaminoethyl acrylate), poly (N, N-dimethylaminopropyl acrylate).
- polyaminoalkyl metatalates poly (N, N-dimethylaminoethyl metatalylate), poly (N, N-dimethylaminopropyl metatalylate) and other polyaminoalkyl metatalates, poly (N, N —Dimethylaminoethylacrylamide), poly (N, N-dimethylaminopropylacrylamide) and other polyaminoalkylacrylamides, poly (N, N-dimethylaminoethylmethacrylamide), poly (N, N-dimethyl) Polyaminoalkylmethacrylamide (such as aminopropylmethacrylamide), polyaminoalkylstyrene such as polydimethylaminomethylstyrene and polydimethylaminoethylstyrene, polyamine segments such as polyvinylamine, polyallylamine, and polyvinylpyridine can be used.
- polyalkyleneimine, polybulamine, polyallylamine, polybuluridine, poly (dimethylaminoalkylmetatalylate), poly (dimethylaminoalkyl acrylate), and polyaminoalkylstyrene are stable silica sols. It can be suitably used to improve the strength of wrinkles and coating films.
- the ratio of the polyamine segment in the copolymer is preferably in the range of 2 to 70 mass%.
- the copolymer having a polyamine segment has another polymer segment having an affinity for water different from that of the polyamine segment because an aggregate is easily formed in an aqueous medium.
- the term “aggregate” refers to a micelle-like emulsion associated with each other in a copolymer-powered aqueous medium having two or more polymer segments having different affinity for water.
- a graft copolymer or a block copolymer can be preferably used. Further, the shape of these copolymers may be linear, branched, comb-shaped or star-shaped.
- a block or graft copolymer is preferable because the characteristics of each structural unit are easily reflected and the stability of silica sol in water and the toughness of the resulting coating film are easily obtained.
- a copolymer in which the other polymer segment is in the form of a particle and the particle is used as a core and a polyamine segment is grafted around it can be preferably used.
- the other polymer segment described above is a hydrophobic segment that also has a hydrophobic polymer force, because the formation of an aggregate is further facilitated in an aqueous medium.
- the hydrophobic segment there can be used polymers such as polystyrene, epoxy resin, polyacrylate having a hydrophobic unityrate unit force, and polymetatalylate having a hydrophobic unityrate unit force.
- polystyrene, polyacrylate, polymethacrylate, and epoxy resin can be preferably used.
- the other polymer segment in the copolymer may be one kind or two or more kinds.
- the ratio of the hydrophobic segment in the copolymer is preferably in the range of 30 to 70% by mass.
- the range of 30 to 50% by mass is preferable. It is more preferable if it is.
- the other polymer segment described above is a non-one hydrophilic segment that also has a non-one hydrophilic polymer force.
- the other polymer segment is the segment, an aggregate can be formed satisfactorily in an aqueous medium, and the aqueous coating composition having a copolymer having the segment has a film-forming property at the time of coating film formation. Excellent.
- Nonionic hydrophilic segments include, for example, polyalkylene oxides such as polyethylene oxide, hydrophilic polyacrylates such as polydihydroxypropyl acrylate, and hydrophilic polymetatarates such as polydihydroxypropyl methacrylate.
- Examples thereof include polymer segments composed of hydrophilic substances such as poly (N-acylethyleneimine) such as ethyleneimine) and poly (N-propionylethyleneimine).
- the molecular weight of the copolymer is preferably in the range of 500 to 500,000. Considering control of the pattern shape on the surface of the inorganic composite film, the molecular weight is more preferably in the range of 1000 to 100,000, and more preferably in the range of 5000 to 75000.
- the organic-inorganic composite coating film of the present invention has a fine pore pattern on its surface.
- the micropore pattern referred to in the present invention refers to a structure in which a fine hole shape having a uniform size is formed over the entire surface of the coating film.
- the organic-inorganic composite coating film of the present invention is a high-concentration complex in which the copolymer is combined in a matrix formed entirely by a continuous layer of inorganic oxides. A film having a certain thickness is formed, and a hole shape having a certain shape and a certain size is formed on the surface thereof.
- Such an organic-inorganic composite coating film according to the present invention is a random uneven surface having no base height surface, formed in the process of collecting inorganic oxides based on particle shape as a basic unit. Structure It is clearly distinguished from the film it has.
- the pore diameter of the fine pore pattern can be controlled by the type and structure of the organic material used, and the pore diameter is preferably in the range of 10 nm to 5 ⁇ m, and in the range of 20 nm to l ⁇ m. It is more preferable that it is a range. When the pore diameter is within the above range, color development due to the micropore pattern, immobilization of catalysts, biomolecules, DNA, etc. due to surface area improvement, and expression of various properties such as super-philic Z hydrophobicity can be expected. In order to express these characteristics, it is preferable that the pore diameter of the fine pore pattern on the membrane surface is uniform over the entire surface.
- the depth of the pores of the micropore pattern can be appropriately controlled depending on the morphology and size of the aggregate resulting from the structure of the copolymer used, and can be adjusted in the range of 20 nm to 1 ⁇ m.
- the film thickness can also be suitably adjusted according to a use.
- the fine pore pattern having a periodic structure can exhibit a structural color.
- the periodic structure is a two-dimensional array structure in which micropore patterns having a constant pore diameter and depth are arranged at regular intervals.
- the periodic structure of the fine pore pattern can be controlled by the structure and content of the above-mentioned copolymer.
- the distance between the centers of the fine hole patterns can be adjusted as appropriate to a period of about 1 to 10 times the hole diameter of the fine hole patterns.
- Fine pore patterning force A close-packed or no-cam structure is particularly preferable because it can form a uniform periodic structure over the entire coating film.
- the content of the inorganic material in the organic-inorganic composite coating film is preferably in the range of 40 to 95% by mass, more preferably in the range of 60 to 90%. If the amount of the inorganic material is within the range, a uniform inorganic material matrix can be formed on the entire coating film, and cracking of the coating film is less likely to occur.
- the organic-inorganic composite coating film of the present invention can be easily produced by using an aqueous coating composition obtained by mixing a copolymer having a polyamine segment, a metal alkoxide, and an aqueous medium.
- the copolymer having a polyamine segment used in the invention can be mixed with a metal alkoxide in an aqueous medium to form a stable sol-form aqueous coating composition. Further, the polyamine segment in the copolymer also has a function of a catalyst for promoting the gelation of the metal alkoxide.
- the polymer-rich part and the polymer-poor part are composed of a kind of phase separation state.
- This phase separation coupled with the convection phenomenon accompanying the volatilization of the solvent, regularly arranges the polymer rich part and the polymer poor part on the surface of the coating solution.
- the polymer-rich portion and the polymer-poor portion have different solvent volatilization states, and thus a surface pattern resulting from a regular arrangement caused by phase separation is formed.
- the coating film formed by gelation of the metal alkoxide and formed on the entire surface of the film forms the organic-inorganic composite coating film of the present invention.
- a polymer micelle-like structure with polyamine on the surface is retained in the polymer-rich part, and the evaporation of the solvent is promoted in the polymer-poor part!
- the evaporation of the volatile liquid is locally in the polymer-poor part.
- other pore formation models can be considered, but in any case, the phase separation phenomenon in the coating solution due to the copolymer having a polyamine segment is largely involved in pattern formation. Conceivable.
- the volatile component is volatilized, whereby an inorganic acid salt is formed as the volatile matter disappears, whereby the copolymer having a polyamine segment is formed.
- an inorganic acid salt is formed as the volatile matter disappears, whereby the copolymer having a polyamine segment is formed.
- the entire gelation progresses.
- the organic-inorganic composite of the present invention is produced.
- the aqueous coating composition is formed by mixing at least a copolymer that forms an aggregate in an aqueous medium, a metal alkoxide, and an aqueous medium, and the copolymer and the metal alkoxide.
- the above-mentioned copolymers and metal alkoxides can be preferably used.
- Examples of the copolymer having a polyamine segment in the water-based coating composition include the above-described copolymer.
- the same force as that of the coalescence When the amino group is protonated in the water-based coating composition, an effect of stabilizing the silica sol can be obtained. Therefore, the amino group in the copolymer is partially protonated. Or prefer to be completely protonated.
- a copolymer having a free amino group may be acid-treated in water, or a copolymer having an amino group that has previously formed a salt. May be used.
- a copolymer in which the amino group is protonated by an acid or a copolymer in which the amino group is not converted can be used in water. It acts as a catalyst for the hydrolysis reaction of metal alkoxides.
- the aqueous medium used in the aqueous coating composition refers to water or a mixed solvent of water and a water-soluble solvent.
- the water-soluble solvent include alcohols such as methanol, ethanol and isopropanol, acetone and the like. Solvents such as ketones, pyridine and dimethylformamide can be used.
- the amount of the water-soluble solvent is preferably less than 10% by mass with respect to the amount of water used.
- the order of mixing is not particularly limited, but it is preferable to add the metal alkoxide after dissolving the copolymer in an aqueous medium, because the dispersion of the metal alkoxide in the sol state is improved.
- the ratio of the mass (X) of the copolymer to be used and the mass (Y) of the metal alkoxide (X) Z (Y) force can be appropriately adjusted within the range of 60 ⁇ ⁇ 40 to 5 ⁇ 95.
- the force is preferably in the range of 40/60 to 15/85, more preferably in the range of 35/65 to 25/75. If the ratio (X) / ( ⁇ ) is 5 to 95 or less, cracks in the resulting coating film can be reduced, and if it is 60 to 40 or more, the water resistance of the coating film can be improved.
- the amount of the aqueous medium used is preferably about 0.2 to 50 times the amount of the metal alkoxide used.
- the effects of the present invention are not impaired! / ⁇ range, for example, ethyl acetate solve, propylene glycol monobutyl ether, propylene glycolinoresibutinore ether, diethylene glycol monopropyl ether,
- various known solvents can be added, or various known additives such as a smoothing agent and a wetting agent can be added.
- various known curing agents such as water-soluble polyglycidyl ether can also be provided within the range of the effect of the invention.
- the above-mentioned water-based coating composition can be easily formed into an organic-inorganic composite coating film by applying it to various substrates such as glass, metal, wood, plastic, and the like and then curing it.
- the coating method on the substrate is not particularly limited, and various known and commonly used methods such as brush coating, dip coating method, spray coating method, roll coating method, bar coating method, and air knife coating method may be used. These can also be used in combination.
- the aqueous coating composition of the present invention can easily obtain a cured coating film by applying alkali treatment or heat treatment after coating on various substrates. Further, both alkali and heating methods can be used in combination.
- Examples of the alkali treatment method include a method of directly spraying an alkaline compound and a method of aging in a gas containing an alkaline compound.
- Examples of the alkaline compound that can be used here include triethylamine, trimethylamine, jetylamine, dimethylamine, methylamine, ethylamine, propylamine, jetylethanolamine, aminopropanol, and ammonia.
- ammonia can be preferably used.
- the heating temperature may be as low as about 60 to 120 ° C.
- the coating film can be cured by treating at about 100 ° C. for 30 minutes.
- the epoxy silane is contained in the metal alkoxide, the epoxy group and polyamines react with each other by heating, and the toughness of the coating film is increased.
- the obtained solution was washed with 100 ml of 5% HC1 aqueous solution, 100 ml of saturated aqueous sodium hydrogen carbonate solution and 100 ml of saturated aqueous sodium chloride solution in this order, and dried. Further, the produced powder was washed with hexane and vacuum-dried to obtain 12 g of a precursor polymer (P-1) in which the end of polyethylene oxide was tosylated.
- copolymer (X-2) From the 1 H-NMR measurement of copolymer (X-2), no peak of the acyl group derived from N-acylethyleneimine was observed, and all N-acylethyleneimine was found to be ethyleneimine hydrochloride. confirmed. From this, it was confirmed that the copolymer (X-2) was in the form of a block copolymer of polyethyleneimine hydrochloride and polyethylene oxide.
- the molar composition ratio of ethyleneimine units and acetylylethyleneimine units in the molecular chain derived from the min block was approximately 86:14.
- the molar composition ratio of the propio-ethyleneimine block-derived pio-ethyleneethyleneimine block unit to the ethyleneimine unit was approximately 77:23. This shows that the copolymer (X-4) is a block copolymer having both a block rich in ethyleneimine units and a block power rich in propionylethyleneimine units.
- Modified epoxy compound (EP-2) 1.04g (2m equivalent), 2-methyloxazoline 8.5g (l OOmmol) and 40 ml of N, N dimethylacetamide were stirred at 100 ° C. for 24 hours under a nitrogen atmosphere. After adding 300 ml of ethyl acetate to the resulting reaction mixture and stirring vigorously at room temperature, the product solid was filtered, washed twice with ethyl acetate, and dried under reduced pressure to obtain 9.4 g of a modified epoxy compound (EP 3) Got. The yield during polymerization was 99%.
- the obtained modified epoxy compound (EP-3) has a modified epoxy having a tetrakisphenylethane structure as the main chain ( ⁇ : 6.45 to 7.90 ppm), and a polyepoxy compound.
- ( ⁇ -acetylethylimine) is the side chain [ethylene hydrogen ( ⁇ : 3.47ppm), acetylyl hydrogen ( ⁇ : 2.OOppm)], and the number average from the quantitative calculation of reactants and products A poly (N-acetylethyleneimine) star polymer with a degree of polymerization of 20 is recognized.
- the average particle size of the fine particles measured at 25 ° C using a particle size measuring device FPAR-1000 manufactured by Otsuka Electronics was 120 nm.
- This core-shell dispersion is concentrated to 10 wt% by vacuum concentration, and the core-shell particle dispersion (X- 4) is adjusted by adjusting the pH to 2 with 5 mol Zl of salt-hydrogen aqueous solution. ) [0092] (Example 1)
- the obtained aqueous composition (1) was coated on a slide glass with a 3 mil applicator and then dried at 80 ° C for 30 minutes.
- Figures 1-2 show the results of AFM analysis of the surface of the obtained coating film (1).
- a fine pore pattern having an average pore diameter of about 0.68 ⁇ m and an average depth of about 160 nm was confirmed.
- the obtained aqueous composition (2) was coated on a slide glass with a 3 mil applicator and then dried at 80 ° C for 30 minutes.
- Fig. 3 shows the results of analyzing the surface of the obtained coating film (2) with a scanning electron microscope. A fine pore pattern with an average pore diameter of about 2.72 m was confirmed on the surface of the obtained coating film.
- the obtained aqueous composition (3) was coated on a slide glass with a 3 mil applicator and then dried at 80 ° C for 30 minutes. 3) was obtained.
- Figure 4 shows the results of AFM analysis of the surface of the obtained coating film (3). A fine pore pattern having an average pore diameter of about 0.14 ⁇ m and an average depth of about 15 nm was confirmed on the surface of the obtained coating film.
- the obtained aqueous composition (4) was coated on a polycarbonate film with a thickness of 100 ⁇ m with a 16th bar coater and dried at 80 ° C. for 30 minutes.
- a transparent coating film (4) was obtained.
- Figure 5 shows the results of AFM analysis of the surface of the obtained coating film (4).
- a fine pore pattern having an average pore diameter of about 1.28 ⁇ m and an average depth of about 150 nm was confirmed on the surface of the obtained coating film.
- Polyethyleneimine manufactured by Aldrich, number average molecular weight 25000 0. Olg and 0.4 g of polybulu alcohol were dissolved in 4.39 g of pure water, and the pH was adjusted to 3 by adding 2N aqueous hydrochloric acid. Thereafter, 1.73 g of a 7: 3 mixture of tetramethoxysilane and 3-glycidoxypropinoretrimethoxysilane was added, and initially dispersed in an emulsion, but after a few minutes, a transparent homogeneous A liquid was obtained. This solution was allowed to stand for 1 hour to obtain an aqueous composition.
- the obtained aqueous composition was coated on a slide glass with a 3 mil applicator and then dried at 80 ° C for 30 minutes. As a result, a colorless and transparent coating film (HI) having a film thickness of about 2 m was obtained. Obtained. When the surface of the obtained coating film (HI) was observed with AFM, the surface shape was rough as shown in Fig. 6, but the pattern wrinkle structure did not appear.
- HI colorless and transparent coating film
- a coating composition was prepared in the same manner as in Example 2 using the intermediate polymer (1-2) having no polyamine block in Synthesis Example 2.
- the obtained coating composition was applied in the same manner as in Example 6 to produce a coating film (H2).
- the obtained coating film (H2) was observed with AFM, the entire surface was flat with no hole pattern on the surface.
- the organic-inorganic composite coating film of the present invention has a micropore pattern on the surface of the coating film along with characteristics such as high hardness, flame retardancy, and semiconductivity, so that a conductive metal line was constructed on the pattern surface.
- characteristics such as high hardness, flame retardancy, and semiconductivity, so that a conductive metal line was constructed on the pattern surface.
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Abstract
Description
Claims
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/658,354 US20080248281A1 (en) | 2004-07-28 | 2005-07-27 | Organic-Inorganic Composite Coating Film and Aqueous Coating Composition |
| JP2006527821A JP3972053B2 (ja) | 2004-07-28 | 2005-07-27 | 有機無機複合塗膜及び水性塗料組成物 |
| CN200580025317XA CN1989213B (zh) | 2004-07-28 | 2005-07-27 | 有机无机复合涂膜及水性涂料组合物 |
| EP20050767154 EP1775329B1 (en) | 2004-07-28 | 2005-07-27 | Organic-inorganic composite coating film and aqueous coating composition |
| DE200560027577 DE602005027577D1 (de) | 2004-07-28 | 2005-07-27 | Organisch-anorganischer lackfilmverbund sowie wässrige beschichtungszusammensetzung |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004220007 | 2004-07-28 | ||
| JP2004-220007 | 2004-07-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2006011512A1 true WO2006011512A1 (ja) | 2006-02-02 |
Family
ID=35786262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2005/013731 Ceased WO2006011512A1 (ja) | 2004-07-28 | 2005-07-27 | 有機無機複合塗膜及び水性塗料組成物 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20080248281A1 (ja) |
| EP (1) | EP1775329B1 (ja) |
| JP (1) | JP3972053B2 (ja) |
| CN (1) | CN1989213B (ja) |
| DE (1) | DE602005027577D1 (ja) |
| WO (1) | WO2006011512A1 (ja) |
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| WO2008120529A1 (ja) | 2007-03-14 | 2008-10-09 | Kawamura Institute Of Chemical Research | 有機無機複合塗膜、これを用いる構造色膜及びそれらの製造方法 |
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| WO2009031489A1 (ja) * | 2007-09-03 | 2009-03-12 | Kawamura Institute Of Chemical Research | ナノ構造複合体被覆型構造物の製造方法、ナノ構造複合体被覆型構造物及びこれを用いるリアクター |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007069588A1 (ja) * | 2005-12-12 | 2007-06-21 | Dic Corporation | 水性塗料組成物、有機無機複合塗膜及びその製造方法 |
| JP2013127648A (ja) * | 2007-03-09 | 2013-06-27 | Toyo Seikan Group Holdings Ltd | 構造体、構造体の形成方法及び構造体形成装置 |
| WO2008120529A1 (ja) | 2007-03-14 | 2008-10-09 | Kawamura Institute Of Chemical Research | 有機無機複合塗膜、これを用いる構造色膜及びそれらの製造方法 |
| US8486494B2 (en) | 2007-03-14 | 2013-07-16 | Kawamura Institute Of Chemical Research | Organic/inorganic composite coating film, structural color film using the same, and preparation methods thereof |
| US8288358B2 (en) | 2007-03-26 | 2012-10-16 | Newcastle Innovation Ltd. | Therapeutic targets and molecules |
| JP2008274242A (ja) * | 2007-03-30 | 2008-11-13 | Dic Corp | 水性塗料組成物、有機無機複合塗膜、シラン縮合物分散体及びその製造方法 |
| JP2008303291A (ja) * | 2007-06-07 | 2008-12-18 | Dic Corp | 木材用水性塗料組成物、及びこれを用いた防汚処理木材 |
| US8257662B2 (en) | 2007-09-03 | 2012-09-04 | Kawamura Institute Of Chemical Research | Process for producing nanostructure composite-covered structure, nanostructure composite-covered structure, and reactor using nanostructure composite-covered structure |
| JP2009057263A (ja) * | 2007-09-03 | 2009-03-19 | Kawamura Inst Of Chem Res | ナノ構造複合体被覆型構造物及びその製造方法 |
| WO2009031489A1 (ja) * | 2007-09-03 | 2009-03-12 | Kawamura Institute Of Chemical Research | ナノ構造複合体被覆型構造物の製造方法、ナノ構造複合体被覆型構造物及びこれを用いるリアクター |
| JP2009154074A (ja) * | 2007-12-26 | 2009-07-16 | Kawamura Inst Of Chem Res | 炭素−炭素結合形成反応用触媒固定型リアクター |
| JP2009235238A (ja) * | 2008-03-27 | 2009-10-15 | Dic Corp | 水性塗料組成物、有機無機複合塗膜及び金属アルコキシド縮合物分散体及びその製造方法 |
| CN115627118A (zh) * | 2022-10-27 | 2023-01-20 | 温州市海格阀门有限公司 | 一种球阀铸件及其加工工艺 |
| CN115627118B (zh) * | 2022-10-27 | 2024-03-19 | 温州市海格阀门有限公司 | 一种球阀铸件及其加工工艺 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3972053B2 (ja) | 2007-09-05 |
| EP1775329A4 (en) | 2009-07-22 |
| US20080248281A1 (en) | 2008-10-09 |
| DE602005027577D1 (de) | 2011-06-01 |
| CN1989213B (zh) | 2010-08-04 |
| CN1989213A (zh) | 2007-06-27 |
| EP1775329A1 (en) | 2007-04-18 |
| EP1775329B1 (en) | 2011-04-20 |
| JPWO2006011512A1 (ja) | 2008-07-31 |
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