WO2011018924A1 - ビニルエーテル系星型ポリマーおよびその製造方法 - Google Patents
ビニルエーテル系星型ポリマーおよびその製造方法 Download PDFInfo
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- WO2011018924A1 WO2011018924A1 PCT/JP2010/061248 JP2010061248W WO2011018924A1 WO 2011018924 A1 WO2011018924 A1 WO 2011018924A1 JP 2010061248 W JP2010061248 W JP 2010061248W WO 2011018924 A1 WO2011018924 A1 WO 2011018924A1
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- 0 CCC(C*)CCC([C@](C)C(C)C)=C(C)C1C(C2)[C@]2CC1 Chemical compound CCC(C*)CCC([C@](C)C(C)C)=C(C)C1C(C2)[C@]2CC1 0.000 description 4
Classifications
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- 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
- C08F297/00—Macromolecular compounds obtained by successively polymerising different monomer systems using a catalyst of the ionic or coordination type without deactivating the intermediate polymer
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- 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
-
- 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
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
- C08F283/06—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polyethers, polyoxymethylenes or polyacetals
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- 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
- C08F4/00—Polymerisation catalysts
- C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
- C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
- C08F4/52—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides selected from boron, aluminium, gallium, indium, thallium or rare earths
Definitions
- the present invention relates to a novel vinyl ether-based star polymer and a method for producing the same. More specifically, the present invention relates to a star polymer having an arm obtained by copolymerizing a vinyl ether polymer and an oxystyrene polymer, and a method for producing the star polymer.
- Oxystyrene-based polymers such as hydroxystyrene are used as functional polymer materials in various industrial fields, and in particular, in the field of electronic materials, particularly as a raw material for resin components for semiconductor resists.
- the use as a photosensitive resin component used for an interlayer insulating film or a surface protective film of a semiconductor element or the like has been studied.
- star polymers that have both oxystyrene polymers and vinyl ether polymers in their arms are inherent to oxystyrene polymers and vinyl ether polymers in addition to the low viscosity and fine particle properties that are unique to star polymers. Therefore, it can be suitably used as a raw material for a photosensitive resin component suitable for applications such as an interlayer insulating film and a surface protective film of a semiconductor element.
- a diblock copolymer as the arm, it is easy to develop microphase separation, and it is possible to create a material controlled to the nano order.
- Patent Document 1 discloses a method for synthesizing a star polymer using a vinyl ether polymer and an oxystyrene polymer diblock polymer as an arm by a core first method using a multifunctional starting species.
- the maximum number of arms of the star polymer obtained by this method is 4, and it is difficult to sufficiently develop the low viscosity depending on the fineness of the star polymer and the number of branches.
- the core first method includes synthesis of a multifunctional starting species, there is a problem that the manufacturing method becomes complicated.
- Patent Document 2 vinyl ether is subjected to living cation polymerization using an initiator such as alkoxyethyl acetate and a Lewis acid, and then divinyl ether is added to the resulting living polymer to give a vinyl ether star having stimuli responsiveness.
- an initiator such as alkoxyethyl acetate and a Lewis acid
- divinyl ether is added to the resulting living polymer to give a vinyl ether star having stimuli responsiveness.
- a method for producing a polymer is disclosed.
- Non-Patent Document 1 discloses a method for producing an oxystyrene-based star polymer by synthesizing an oxystyrene-based arm and then adding a divinyl compound.
- Both polymers have as many as about 10 branches and are sufficient to express the unique properties of star polymers, but do not contain both vinyl ether polymers and oxystyrene polymers. It was impossible to simultaneously develop developability, which is a property unique to styrene, and flexibility, which is a property unique to vinyl ether.
- An object of the present invention is to provide a vinyl ether star polymer having a copolymer of a vinyl ether polymer and an oxystyrene polymer in the arm, and a method for producing the star polymer which can be carried out continuously in a series of steps. Is to provide.
- the present inventors first conducted living cationic polymerization of vinyl ether using an initiating species in the presence of a Lewis acid suitable for vinyl ether, and then converted oxystyrene into a different Lewis acid.
- a new vinyl ether-based star polymer can be obtained by synthesizing a diblock arm by conducting living cationic polymerization in the presence of water and further adding a divinyl compound and reacting it to form a star polymer nucleus.
- the present invention has been completed.
- the present invention is a vinyl ether-type star polymer having a central core and an arm portion composed of a polymer chain extending from the central core, and an oxystyrene-based repeating unit and a vinyl ether-based repeating unit are block copolymerized in order from the central core. It is a vinyl ether type star polymer characterized by having an arm portion.
- the arm extending from the central core has the following general formula (1) in order from the central core.
- R 1 represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms
- R 2 represents a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, an alkoxyalkyl group having 2 to 6 carbon atoms, an acyl group, an alkoxy group A carbonyl group, an alkoxycarbonylalkyl group or an alkylsilyl group
- alkyl group an alkoxyalkyl group having 2 to 6 carbon atoms, a cycloalkyl group having 5 to 10 carbon atoms, the following group (a): Wherein m is 0, 1, 2 or 3 and X is an unsubstituted phenyl group or one or more straight or branched alkyl groups having 1 to 4 carbon atoms or 1 to 4 straight chains.
- a branched alkyl group which is a fluoroalkyl group in which all or a part of hydrogen is substituted with fluorine, an alkoxy group having 1 to 4 carbon atoms, or a phenyl group substituted with a halogen atom
- an arylalkyl group or the following group (b) (Wherein R represents a methyl group or an ethyl group, and k is an integer of 1 to 10).
- R represents a methyl group or an ethyl group, and k is an integer of 1 to 10).
- It is a vinyl ether type star polymer characterized by being a copolymer of a vinyl ether type repeating unit represented by the following formula.
- the present invention provides a general formula (3) in the presence of a starting acid, a Lewis acid and a solvent suitable for cationic polymerization of vinyl ether monomers.
- R 3 has the above-mentioned meaning
- R 1 and R 2 have the above-mentioned meanings
- the living cation polymerization is carried out by adding a Lewis acid suitable for the cation polymerization of the oxystyrene monomer, and a vinyl group is introduced into the side chain by adding a divinyl compound.
- the vinyl ether star polymer of the present invention includes a vinyl ether polymer and an oxystyrene polymer in an arm composed of a polymer chain extending from the central core.
- the characteristics of the polymer and vinyl ether polymer can be imparted.
- this arm is a diblock copolymer, it is easy to develop microphase separation, and it is possible to create a material controlled in the nano order.
- the oxystyrene-based polymer is hydroxystyrene, it is possible to impart developability, so that it can be suitably used as a raw material for photosensitive resin components suitable for applications such as interlayer insulating films and surface protective films of semiconductor elements. Can do.
- the method for producing a vinyl ether-based star polymer of the present invention can carry out the polymerization reaction continuously in one pot, so that the production process and production equipment can be greatly simplified, which is industrially advantageous. is there.
- the oxystyrene-based repeating unit represented by the general formula (1) is formed by the oxystyrene-based monomer represented by the general formula (4).
- the alkyl group having 1 to 4 carbon atoms includes a methyl group, an ethyl group, a propyl group, an isopropyl group, an n-butyl group, and a sec-butyl group. Tert-butyl group, isobutyl group and the like.
- the alkyl group having 1 to 6 carbon atoms includes methyl group, ethyl group, propyl group, isopropyl group, n-butyl group, sec- Examples thereof include a butyl group, a tert-butyl group, an isobutyl group, an n-amyl group, and an isoamyl group.
- alkoxyalkyl group having 2 to 6 carbon atoms examples include a methoxymethyl group, an ethoxymethyl group, a 1-methoxyethyl group, a 1-methoxyethyl group, Examples thereof include ethoxyethyl group, 1-methoxypropyl group, 2-tetrahydropyranyl group, 2-tetrahydrofuranyl group and the like, and acyl groups having 2 to 6 carbon atoms include acetyl group, propionyl group, tert-butylcarbonyl group and the like.
- alkoxycarbonyl group having 2 to 6 carbon atoms examples include methoxycarbonyl group, ethoxycarbonyl group, and propoxycarbo Tert-butoxycarbonyl group and the like.
- alkoxycarbonylalkyl group having 2 to 6 carbon atoms examples include tert-butoxycarbonylmethyl group.
- alkylsilyl group having 2 to 6 carbon atoms examples include trimethylsilyl group, Examples thereof include a tert-butyldimethylsilyl group.
- Examples of the oxystyrene monomer represented by the general formula (4) include p-hydroxystyrene, m-hydroxystyrene, o-hydroxystyrene, p-isopropenylphenol, m-isopropenylphenol, o Hydroxystyrenes such as isopropenylphenol; p-methoxystyrene, m-methoxystyrene, p-ethoxystyrene, m-ethoxystyrene, p-propoxystyrene, m-propoxystyrene, p-isopropoxystyrene, m-isopropoxy Alkoxystyrenes such as styrene, pn-butoxystyrene, mn-butoxystyrene, p-isobutoxystyrene, m-isobutoxystyrene, p-tert-
- p-hydroxystyrene p-isopropenylphenol, p-tert-butoxystyrene, p-acetoxystyrene and the like are preferably used.
- oxystyrene monomers may be used alone or in combination of two or more.
- the vinyl ether repeating unit represented by the general formula (2) is formed by the vinyl ether monomer represented by the general formula (3).
- the linear or branched alkyl group having 1 to 6 carbon atoms includes a methyl group, an ethyl group, a propyl group, an isopropyl group, and an n-butyl group. , Sec-butyl group, tert-butyl group, isobutyl group, n-amyl group, isoamyl group and the like.
- Examples of the fluoroalkyl group having 1 to 6 carbon atoms include trifluoromethyl group, pentafluoroethyl group, 2,2 , 2-trifluoroethyl group and the like, and examples of the alkoxyalkyl group having 2 to 6 carbon atoms include methoxymethyl group, ethoxymethyl group, 2-methoxyethyl group, 2-ethoxyethyl group, 2-tetrahydropyranyl group, 2-tetrahydrofuranyl group and the like.
- Examples of the cycloalkyl group having 5 to 10 carbon atoms include a cyclopentyl group, a cyclohexyl group, a cycloheptyl group, and the like.
- aryl group examples include a phenyl group, a methylphenyl group, an ethylphenyl group, a methoxyphenyl group, an ethoxyphenyl group, a fluorophenyl group, and a trifluoromethylphenyl group.
- the arylalkyl group includes a benzyl group and a methylbenzyl group.
- Ethylbenzyl group methoxybenzyl group, ethoxybenzyl group, fluorobenzyl group, trifluoromethylbenzyl group and the like.
- alkoxypolyoxyalkyl group represented by the group (b) include 2- (2-methoxyethoxy) ethyl group, 2- (2-ethoxyethoxy) ethyl group, and 2- (2- (2-methoxyethoxy) group.
- Ethoxy) ethyl group 2- (2- (2-ethoxyethoxy) ethoxy) ethyl group, 2- (2- (2- (2-methoxyethoxy) ethoxy) ethyl group, 2- (2- (2- (2-ethoxyethoxy) ethoxy) ethyl group and the like.
- Examples of the vinyl ether monomer represented by the formula (3) include methyl vinyl ether, ethyl vinyl ether, propyl vinyl ether, isopropyl vinyl ether, n-butyl vinyl ether, sec-butyl vinyl ether, tert-butyl vinyl ether, isobutyl vinyl ether, alkyl vinyl ethers such as n-amyl vinyl ether and isoamyl vinyl ether; fluoroalkyl vinyl ethers such as trifluoromethyl vinyl ether, pentafluoroethyl vinyl ether and 2,2,2-trifluoroethyl vinyl ether; 2-methoxyethyl vinyl ether and 2-ethoxyethyl Alkoxy compounds such as vinyl ether, 2-tetrahydropyranyl vinyl ether, 2-tetrahydrofuranyl vinyl ether Kill vinyl ethers: cyclopentyl vinyl ether, cyclohexyl vinyl ether, cycloheptyl vinyl ether
- Examples include alkoxy polyoxyalkyl vinyl ethers.
- polyvinyl ether when introducing polyvinyl ether as a soft segment in order to improve the flexibility and impact resistance of an oxystyrene polymer, methyl vinyl ether, ethyl vinyl ether, propyl vinyl ether, isopropyl vinyl ether, n-butyl vinyl ether, sec -Butyl vinyl ether, tert-butyl vinyl ether, isobutyl vinyl ether, n-amyl vinyl ether, isoamyl vinyl ether, trifluoromethyl vinyl ether, pentafluoroethyl vinyl ether, 2,2,2-trifluoroethyl vinyl ether, 2-methoxyethyl vinyl ether, 2-ethoxy Ethyl vinyl ether, 2- (2-methoxyethoxy) ethyl vinyl ether, 2- (2-ethoxyethoxy) ethyl vinyl ether 2- (2- (2-methoxyethoxy) ethyl vinyl ether, 2- (2-
- vinyl ether monomers may be used alone or in combination of two or more.
- the production of the star polymer of the present invention can be carried out as follows. That is, first, in the presence of a starting acid, a Lewis acid suitable for cationic polymerization of a vinyl ether monomer and a solvent, the vinyl ether monomer represented by the general formula (3) is subjected to living cationic polymerization, and then A diblock arm is obtained by adding a Lewis acid suitable for cationic polymerization of the oxystyrene monomer and the oxystyrene monomer represented by the general formula (4) to the reaction system, and conducting living cationic polymerization. To form.
- the divinyl compound represented by the general formula (5) is added to the reaction system in which the diblock arm is formed, and one end of the divinyl compound is polymerized at the oxystyrene-based polymerization terminal of the diblock arm.
- a polymer having a vinyl group in the side chain is produced.
- the cation-growing species of the arm is reacted with the vinyl group on the side chain of a different arm to form a nucleus, thereby obtaining a star polymer.
- the starting species that can be used in the present invention include compounds that generate protons such as water, alcohols, and protonic acids, and compounds that generate carbocations such as alkyl halides. Further, it may be a cation supplying compound such as an adduct of vinyl ether and a compound that generates protons. Examples of the compound that generates such a carbocation include 1-alkoxyethyl acetate such as 1-isobutoxyethyl acetate.
- a Lewis acid generally used for cationic polymerization of vinyl ether monomers or oxystyrene monomers can be used.
- an organic metal halide such as Et 1.5 AlCl 1.5 , TiCl 4 , TiBr 4 , BCl 3 , BF 3 , BF 3 .OEt 2 , SnCl 2 , SnCl 4 , SbCl 5 , SbF 5 , metal halides such as WCl 6 , TaCl 5 , VCl 5 , FeCl 3 , ZnBr 2 , ZnCl 4 , AlCl 3 and AlBr 3 can be preferably used.
- These Lewis acids may be used alone or in combination with a plurality of Lewis acids.
- Lewis acids used in the polymerization of vinyl ether monomers (hereinafter “Lewis acid (I)”)
- the Lewis acid used in the polymerization of oxystyrene monomers (hereinafter referred to as “Lewis acid (II)”) must be different depending on the reactivity of each monomer. . That is, the polymerization rate of vinyl ether monomers and oxystyrene monomers depends on the acidity of Lewis acid, the interaction between Lewis acid and stable base, the affinity between Lewis acid and chlorine, and so on. In this case, it is important to select an appropriate Lewis acid.
- examples of the monovalent organic group include an alkyl group, an aryl group, an aralkyl group, an alkenyl group, and an alkoxy group, but are not particularly limited.
- examples of the halogen atom for Y include a chlorine atom, a bromine atom, and a fluorine atom, and q and r are preferably such that q is in the range of 1 to 2 and r is in the range of 1 to 2.
- Examples of the organic aluminum halide compound or aluminum halide compound represented by the general formula (6) include diethylaluminum chloride, diethylaluminum bromide, diisobutylaluminum chloride, methylaluminum sesquichloride, ethylaluminum sesquichloride, and ethylaluminum.
- Examples include sesquibromide, isobutylaluminum sesquichloride, methylaluminum dichloride, ethylaluminum dichloride, ethylaluminum dibromide, ethylaluminum difluoride, isobutylaluminum dichloride, octylaluminum dichloride, ethoxyaluminum dichloride, phenylaluminum dichloride.
- examples of the Lewis acid (II) include metal halide compounds or organometallic halogen compounds composed of elements other than Al. These compounds include TiCl 4 , TiBr 4 , BCl 3 , BF 3 , and BF 3. ⁇ OEt 2, SnCl 2, SnCl 4, SbCl 5, SbF 5, WCl 6, TaCl 5, VCl 5, FeCl 3, ZnBr 2, etc. ZrCl 4 and the like. Of these, SnCl 4 , FeCl 3 and the like are preferably used as the Lewis acid (II).
- Et 1.5 AlCl 1.5 is used as a Lewis acid at the time of vinyl ether polymerization, and then SnCl 4 is additionally used at the time of oxystyrene polymerization to accelerate the polymerization rate of the oxystyrene component.
- a star polymer having a copolymer of a styrenic polymer in the arm can be produced.
- the amount of Lewis acid used is not particularly limited, but can be set in consideration of the polymerization characteristics or polymerization concentration of the vinyl ether monomer and oxystyrene monomer used. Usually, it can be used in an amount of 0.1 to 100 mol%, preferably 1 to 50 mol%, based on various monomers.
- divinyl compound examples include divinyl compounds represented by the following general formula (5). (Wherein R 4 and R 6 each represent a hydrogen atom or a methyl group, and R 5 represents a divalent organic group)
- the divalent organic group R 5 in the general formula (5) includes a group represented by the following formula. (Wherein p is an integer of 1 or more, R 8 is —O—, —O— ⁇ —O— or —O— ⁇ —C (CH 3 ) 2 — ⁇ —O—, or cyclohexane having 3 or more carbon atoms) Represents an alkyl group, where ⁇ represents a phenylene group)
- divinyl compound represented by the above formula (5) examples include bis (4-vinylphenoxy) methane, 1,2-bis (4-vinylphenoxy) ethane, and 1,3-bis (4-vinylphenoxy).
- Propane 4,4 '-[2,2'-oxybis (ethane-2,1-diyl) bis (oxy)] bis (vinylbenzene), bis [[4-[(4-vinylphenoxy) methyl] cyclohexyl ] Methyl] terephthalate.
- the added amount of the divinyl compound can be 3 to 6 equivalents with respect to 1 equivalent of the growing species of the living polymer. If the addition amount is small, the cross-linking reaction of the divinyl compound does not sufficiently react and an arm remains, and if the addition amount is large, macromolecules are generated, making isolation difficult.
- Solvents for the polymerization reaction include aromatic hydrocarbon solvents such as benzene, toluene, xylene; propane, n-butane, isobutane, n-pentane, n-hexane, n-heptane, n-octane, isooctane, decane, hexadecane Aliphatic hydrocarbon solvents such as isopentane; halogenated hydrocarbon solvents such as methylene chloride, ethylene chloride and carbon tetrachloride; ether systems such as tetrahydrofuran (THF), dioxane, diethyl ether, dibutyl ether, ethylene glycol diethyl ether A solvent is mentioned. Among these solvents, toluene, methylene chloride, and hexane are preferably used. These solvents may be used alone or in combination of two or more.
- aromatic hydrocarbon solvents such as benzene
- the specific polymerization reaction is carried out by first adding a starting species, a solvent, and a vinyl ether monomer sequentially into a reaction vessel, and then adding a Lewis acid (I).
- the vinyl ether arm is first synthesized in this process.
- the oxystyrene monomer is added, and Lewis acid (II) is added to form a diblock arm.
- a divinyl compound is added to advance the crosslinking reaction.
- Each polymerization condition varies depending on the kind of Lewis acid, starting species, monomer, solvent and the like used, but the polymerization temperature is usually preferably in the range of ⁇ 80 ° C. to 150 ° C., and in the range of ⁇ 78 ° C. to 80 ° C. The inside is more preferable.
- the polymerization time is usually in the range of 10 hours to 250 hours.
- a polymerization stopper is added at a desired degree of polymerization to stop the polymerization reaction. If necessary, catalyst residues such as metal compounds are removed, and (1) volatile matter is removed from the polymer solution. It can be isolated by a method of evaporating, or (2) a method of adding a large amount of a poor solvent to precipitate and separate the polymer.
- reaction terminator examples include alcohols such as methanol, ethanol, and propanol; amines such as dimethylamine and diethylamine; compounds that act as end terminators such as water, aqueous ammonia, and aqueous sodium hydroxide, and / or Lewis.
- alcohols such as methanol, ethanol, and propanol
- amines such as dimethylamine and diethylamine
- compounds that act as end terminators such as water, aqueous ammonia, and aqueous sodium hydroxide, and / or Lewis.
- a compound having a function of deactivating the acid activity is used.
- a method for removing a metal compound or the like which is a Lewis acid a method of treating with water or an aqueous solution containing an acid such as hydrochloric acid, nitric acid or sulfuric acid; a method of treating with an inorganic oxide such as silica gel, alumina or silica-alumina And a method of treating with an ion exchange resin.
- a method of treating with an ion exchange resin is most preferable. Cation exchange resins are effective for removing metal ions.
- the cation exchange resin when the acidity of the cation exchange resin is high and the resulting star polymer may undergo hydrolysis and / or cross-linking reaction, resulting in low molecular weight or high molecular weight, the cation exchange resin may be used as a cation exchange resin.
- a mixture of resin and anion exchange resin may be used.
- Examples of the cation exchange resin include strongly acidic cation exchange such as Amberlyst 15DRY (trade name) manufactured by Organo Corporation, Diaion SK1BH, SK104H, PK208H, PK216H, PK228H (trade name) manufactured by Mitsubishi Chemical Corporation. Resin etc. are mentioned.
- Examples of the mixed bed ion exchange resin include a mixture of a strongly acidic cation exchange resin such as Amberlyst MSPS2-1 ⁇ DRY (trade name) manufactured by Organo Corporation and a weakly basic anion exchange resin.
- the reaction temperature is 50 to under an acid catalyst such as hydrochloric acid or sulfuric acid.
- the reaction may be carried out at 150 ° C. for a reaction time of 1 to 30 hours to remove the protective group to obtain a hydroxystyrene polymer.
- Weight average molecular weight (Mw), number average molecular weight (Mn) and molecular weight distribution (Mw / Mn) It was obtained from a standard polystyrene calibration curve by gel permeation chromatography (GPC) method [RI detector; columns are LF-804 ⁇ 3 manufactured by Shodex; eluent is tetrahydrofuran].
- GPC gel permeation chromatography
- Absolute molecular weight (Mwavesolute) The absolute molecular weight was determined by gel permeation chromatography (GPC) -viscosity method [RI detector; viscometer; column KF-800D + KF-805L x 2 from Shodex; eluent is tetrahydrofuran].
- DLS dynamic light scattering
- Example 1 Ethyl vinyl ether-p-tert-butoxystyrene copolymer production of star polymer (1): A glass container with a three-way stopcock was prepared, and after substituting with argon, it was heated in an argon atmosphere to remove adsorbed water in the glass container.
- EVE ethyl vinyl ether
- M ethyl vinyl ether
- M ethyl acetate
- M 1-isobutoxyethyl acetate 13.6 millimolar
- mM millimolar
- VPP 1,3-bis (4-vinylphenoxy) propane
- the obtained polymer has a compact structure with many branches because the normal weight average molecular weight is smaller than the absolute molecular weight by GPC-LALLS. Furthermore, from the analysis of the particle size, it is clear that the molecules exist without being associated with each other. Thus, the resulting polymer is a star polymer.
- Example 2 Ethyl vinyl ether-p-tert-butoxystyrene copolymer production of star polymer (2): A glass container with a three-way stopcock was prepared, and after substituting with argon, it was heated in an argon atmosphere to remove adsorbed water in the glass container. EVE 0.15M, ethyl acetate 3.0M, 1-isobutoxyethyl acetate 12 mM, and toluene 22.2 ml were placed in a container and cooled. When the system temperature reached ⁇ 10 ° C., a toluene solution (14 mM) of Et 1.5 AlCl 1.5 was added to initiate polymerization.
- Example 3 Preparation of ethyl vinyl ether-p-isopropenylphenol copolymer star polymer (1): A glass container with a three-way stopcock was prepared, and after substituting with argon, it was heated in an argon atmosphere to remove adsorbed water in the glass container. EVE 0.37M, ethyl acetate 3.6M, 1-isobutoxyethyl acetate 14.5 mM, and toluene 22.2 ml were placed in a container and cooled. When the system temperature reached ⁇ 10 ° C., a toluene solution (16.7 mM) of Et 1.5 AlCl 1.5 was added to initiate polymerization.
- Example 4 Production of 2-methoxyethyl vinyl ether-p-isopropenyl phenol copolymer star polymer: A glass container with a three-way stopcock was prepared, and after substituting with argon, it was heated in an argon atmosphere to remove adsorbed water in the glass container. In a container, 0.24 M of 2-methoxyethyl vinyl ether (hereinafter referred to as “MOVE”), 2.4 M of ethyl acetate, 9.6 mM of 1-isobutoxyethyl acetate, and 10.0 ml of toluene were cooled.
- MOVE 2-methoxyethyl vinyl ether
- the vinyl ether type star polymer of the present invention includes a vinyl ether polymer and an oxystyrene polymer as a diblock copolymer in an arm composed of a polymer chain extending from the central core.
- a vinyl ether polymer and an oxystyrene polymer as a diblock copolymer in an arm composed of a polymer chain extending from the central core.
- the arm is a diblock copolymer, it is easy to develop microphase separation, and it is possible to create a material controlled in nano order.
- the vinyl ether star polymer of the present invention when hydroxystyrene is selected as the oxystyrene polymer is capable of imparting developability, so that it is suitable for applications such as interlayer insulating films and surface protective films of semiconductor elements. It can be suitably used as a raw material for the conductive resin component.
- the method for producing a vinyl ether-based star polymer of the present invention can carry out the polymerization reaction continuously in one pot, so that the production process and production equipment can be greatly simplified, which is industrially advantageous. is there.
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Abstract
Description
で表されるオキシスチレン系繰り返し単位と、次の一般式(2)
で表されるビニルエーテル系繰り返し単位の共重合体であることを特徴とするビニルエーテル系星型ポリマーである。
で表される有機ハロゲン化アルミニウム化合物またはハロゲン化アルミニウム化合物が挙げられる。
ジビニル化合物の添加量は、前記リビングポリマーの生長種1当量に対して、3~6当量で使用することができる。添加量が少ないと、ジビニル化合物の架橋反応が十分反応せずアームが残存し、添加量が多いと、巨大分子が発生するため単離することが困難となる。
金属イオンの除去には、陽イオン交換樹脂が有効である。また、陽イオン交換樹脂の酸性度が高く、得られた星型ポリマーが加水分解及び/又は架橋反応を起こして低分子量化又は高分子量化する恐れがある場合は、イオン交換樹脂として陽イオン交換樹脂と陰イオン交換樹脂の混合品(混床イオン交換樹脂)を用いてもよい。
(Mw/Mn):
ゲルパーミエーションクロマトグラフィー(GPC)法により標準ポリスチレン検量線から求めた[RI検出器;カラムはShodex社製LF-804×3本;溶離液はテトラヒドロフラン]。
(2)絶対分子量(Mwabsolute):
ゲルパーミエーションクロマトグラフィー(GPC)-粘度法により絶対分子量を求めた〔RI検出器;粘度計;カラムはShodex社製KF-800D+KF-805L×2本;溶離液はテトラヒドロフラン〕。
(3)枝数(f):
枝数(f)は、次式に従って算出した。
f = A × B /C
A:アーム形成モノマーの重量画分
B:Mwabsolute(星)
C:Mw(枝)
(4)粒径
粒径は、動的光散乱(DLS)(大塚電子(株)製)により解析した〔溶離液はテトラヒドロフラン〕。
エチルビニルエーテル-p-tert-ブトキシスチレン共重合系 星型ポリマーの製造(1):
三方活栓をつけたガラス容器を準備し、アルゴン置換後、アルゴン雰囲気下で加熱してガラス容器内の吸着水を除いた。容器内にエチルビニルエーテル(以下、「EVE」と記載する。)0.34モーラー(以下、「M」と略記する)、酢酸エチル 3.4M、1-イソブトキシエチルアセテート 13.6ミリモーラー(以下、「mM」と略記する)、トルエン 22.2mlを入れ、冷却した。系内温度が-10℃に達したところでEt1.5AlCl1.5のトルエン溶液(15.6mM)を加えて重合を開始した。EVEの転換が終了した時点で反応溶液を少量採取し、ナトリウムメトキシドを含むメタノールで反応を停止させ、ゲルパーミエーションクロマトグラフィー(以下、「GPC」と略記する)により分析したところ、得られたEVEポリマーは、Mw=2,000、Mw/Mn=1.19の単分散ポリマーであった。
エチルビニルエーテル-p-tert-ブトキシスチレン共重合系 星型ポリマーの製造(2):
三方活栓をつけたガラス容器を準備し、アルゴン置換後、アルゴン雰囲気下で加熱してガラス容器内の吸着水を除いた。容器内にEVE 0.15M、酢酸エチル 3.0M、1-イソブトキシエチルアセテート 12mM、トルエン 22.2mlを入れ、冷却した。系内温度が-10℃に達したところでEt1.5AlCl1.5のトルエン溶液(14mM)を加えて重合を開始した。EVEの転換が終了した時点で反応溶液を少量採取し、ナトリウムメトキシドを含むメタノールで反応を停止させ、GPCにより分析したところ、得られたEVEポリマーは、Mw=1,300、Mw/Mn=1.12の単分散ポリマーであった。
エチルビニルエーテル-p-イソプロペニルフェノール共重合系星 型ポリマーの製造(1):
三方活栓をつけたガラス容器を準備し、アルゴン置換後、アルゴン雰囲気下で加熱してガラス容器内の吸着水を除いた。容器内にEVE 0.37M、酢酸エチル 3.6M、1-イソブトキシエチルアセテート 14.5mM、トルエン 22.2mlを入れ、冷却した。系内温度が-10℃に達したところでEt1.5AlCl1.5のトルエン溶液(16.7mM)を加えて重合を開始した。EVEの転換が終了した時点で反応溶液を少量採取し、ナトリウムメトキシドを含むメタノールで反応を停止させ、GPCにより分析したところ、得られたEVEポリマーは、Mw=2,500、Mw/Mn=1.20の単分散ポリマーであった。
2-メトキシエチルビニルエーテル-p-イソプロペニルフェノー ル共重合系星型ポリマーの製造:
三方活栓をつけたガラス容器を準備し、アルゴン置換後、アルゴン雰囲気下で加熱してガラス容器内の吸着水を除いた。容器内に2-メトキシエチルビニルエーテル(以下、「MOVE」と記載する)0.24M、酢酸エチル 2.4M、1-イソブトキシエチルアセテート 9.6mM、トルエン 10.0mlを入れ、冷却した。系内温度が-10℃に達したところでEt1.5AlCl1.5のトルエン溶液(13.2mM)を加えて重合を開始した。MOVEの転換が終了した時点で反応溶液を少量採取し、ナトリウムメトキシドを含むメタノールで反応を停止させ、GPCにより分析したところ、得られたMOVEポリマーは、Mw=2,500、Mw/Mn=1.19の単分散ポリマーであった。
エチルビニルエーテル-p-tert-ブトキシスチレン共重合系 星型ポリマーの製造(1):(ジビニル化合物量増加系)
三方活栓をつけたガラス容器を準備し、アルゴン置換後、アルゴン雰囲気下で加熱してガラス容器内の吸着水を除いた。容器内にEVE 0.14M、酢酸エチル 3.2M、1-イソブトキシエチルアセテート 12.7mM、トルエン 11.1mlを入れ、冷却した。系内温度が-10℃に達したところでEt1.5AlCl1.5のトルエン溶液(14mM)を加えて重合を開始した。EVEの転換が終了した時点で反応溶液を少量採取し、ナトリウムメトキシドを含むメタノールで反応を停止させ、GPCにより分析したところ、得られたEVEポリマーは、Mw=1,000、Mw/Mn=1.14の単分散ポリマーであった。
エチルビニルエーテル-p-tert-ブトキシスチレン共重合系 星型ポリマーの製造(2):(ジビニル化合物量減少系)
三方活栓をつけたガラス容器を準備し、アルゴン置換後、アルゴン雰囲気下で加熱してガラス容器内の吸着水を除いた。容器内にEVE 0.15M、酢酸エチル 3.3M、1-イソブトキシエチルアセテート 13mM、トルエン 22.2mlを入れ、冷却した。系内温度が-10℃に達したところでEt1.5AlCl1.5のトルエン溶液(14.8mM)を加えて重合を開始した。EVEの転換が終了した時点で反応溶液を少量採取し、ナトリウムメトキシドを含むメタノールで反応を停止させ、GPCにより分析したところ、得られたEVEポリマーは、Mw=1,100、Mw/Mn=1.13の単分散ポリマーであった。
Claims (6)
- 中心核と中心核より伸びるポリマー鎖からなるアーム部を有するビニルエーテル系星型ポリマーであって、中心核より順にオキシスチレン系繰り返し単位とビニルエーテル系繰り返し単位がブロック共重合しているアーム部を有することを特徴とするビニルエーテル型星型ポリマー。
- 中心核より伸びるアームが、中心核より順に次の一般式(1)
(式中、R1は水素原子または炭素数1~4のアルキル基を表し、R2は水素原子、炭素数1~4のアルキル基、炭素数2~6のアルコキシアルキル基、アシル基、アルコキシカルボニル基、アルコキシカルボニルアルキル基またはアルキルシリル基を示す)
で表されるオキシスチレン系繰り返し単位と、次の一般式(2)
[式中、R3は炭素数1~6の直鎖または分岐鎖アルキル基、炭素数1~6の直鎖または分岐鎖アルキル基であって全部または一部の水素がフッ素に置換されたフルオロアルキル基、炭素数2~6のアルコキシアルキル基、炭素数5~10のシクロアルキル基、次の基(a)
(ここで、mは0、1、2または3であり、Xは未置換のフェニル基または一つ若しくはそれ以上の炭素数1~4の直鎖または分岐鎖アルキル基、1~4の直鎖または分岐鎖アルキル基であって全部または一部の水素がフッ素に置換されたフルオロアルキル基、炭素数1~4のアルコキシ基またはハロゲン原子によって置換されたフェニル基である)で表されるアリール基もしくはアリールアルキル基または次の基(b)
(ここで、Rはメチル基またはエチル基、kは1~10の整数である)で表されるアルコキシポリオキシアルキル基を表す]
で表されるビニルエーテル系繰り返し単位の共重合体であることを特徴とするビニルエーテル系星型ポリマー。 - 前記ジビニル化合物の添加量が、前記アーム部1当量に対して、3~6当量である請求項3または4に記載のビニルエーテル系星型ポリマーの製造方法。
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| JP2011526702A JP5844640B2 (ja) | 2009-08-14 | 2010-07-01 | ビニルエーテル系星型ポリマーおよびその製造方法 |
| EP10808108A EP2465885A1 (en) | 2009-08-14 | 2010-07-01 | Vinyl ether-based star polymer and process for production thereof |
| US13/390,129 US20120172535A1 (en) | 2009-08-14 | 2010-07-01 | Vinyl ether-based star polymer and process for production thereof |
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| KR (1) | KR20120066016A (ja) |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011063661A (ja) * | 2009-09-15 | 2011-03-31 | Daikin Industries Ltd | 含フッ素非線状ポリマー、およびその製造方法 |
| WO2015033899A1 (ja) * | 2013-09-03 | 2015-03-12 | 丸善石油化学株式会社 | ビニルエーテル系星型ポリマー |
| WO2020129611A1 (ja) * | 2018-12-20 | 2020-06-25 | 丸善石油化学株式会社 | 親水性保護基を有するレジスト用重合体 |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI520990B (zh) | 2011-01-26 | 2016-02-11 | 丸善石油化學股份有限公司 | Metal nano particle composite and its manufacturing method |
| US8686109B2 (en) * | 2012-03-09 | 2014-04-01 | Az Electronic Materials (Luxembourg) S.A.R.L. | Methods and materials for removing metals in block copolymers |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07508299A (ja) * | 1992-06-19 | 1995-09-14 | シエル・インターナシヨナル・リサーチ・マートスハツペイ・ベー・ヴエー | 無作為にエポキシ化した小さな星形ポリマー |
| JP2000198825A (ja) * | 1998-04-28 | 2000-07-18 | Kanegafuchi Chem Ind Co Ltd | ブロック共重合体 |
| JP2001139647A (ja) * | 1999-08-31 | 2001-05-22 | Nippon Soda Co Ltd | 星型ブロックコポリマー |
| JP2002105153A (ja) * | 2000-09-29 | 2002-04-10 | Nippon Soda Co Ltd | アルケニルフェノール系星型ブロック共重合体、およびその製造方法 |
| JP2003342327A (ja) * | 2002-05-24 | 2003-12-03 | Tosoh Corp | 狭分散性オキシスチレン系共重合体及びその製造方法 |
| WO2009008252A1 (ja) * | 2007-07-06 | 2009-01-15 | Maruzen Petrochemical Co., Ltd. | Aba型トリブロック共重合体及びその製造方法 |
| WO2010050357A1 (ja) * | 2008-10-27 | 2010-05-06 | Jsr株式会社 | 感光性絶縁樹脂組成物及びその硬化物 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0464408B1 (en) * | 1990-06-14 | 1994-01-12 | Sekisui Chemical Co., Ltd. | Process for preparing star compounds |
| JPH082923B2 (ja) * | 1990-06-14 | 1996-01-17 | 積水化学工業株式会社 | 星型化合物の製造方法 |
| ATE342292T1 (de) * | 1999-08-31 | 2006-11-15 | Nippon Soda Co | Sternblockcopolymer |
-
2010
- 2010-07-01 WO PCT/JP2010/061248 patent/WO2011018924A1/ja not_active Ceased
- 2010-07-01 US US13/390,129 patent/US20120172535A1/en not_active Abandoned
- 2010-07-01 JP JP2011526702A patent/JP5844640B2/ja not_active Expired - Fee Related
- 2010-07-01 KR KR1020127006611A patent/KR20120066016A/ko not_active Withdrawn
- 2010-07-01 EP EP10808108A patent/EP2465885A1/en not_active Withdrawn
- 2010-07-20 TW TW099123795A patent/TW201127857A/zh unknown
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07508299A (ja) * | 1992-06-19 | 1995-09-14 | シエル・インターナシヨナル・リサーチ・マートスハツペイ・ベー・ヴエー | 無作為にエポキシ化した小さな星形ポリマー |
| JP2000198825A (ja) * | 1998-04-28 | 2000-07-18 | Kanegafuchi Chem Ind Co Ltd | ブロック共重合体 |
| JP2001139647A (ja) * | 1999-08-31 | 2001-05-22 | Nippon Soda Co Ltd | 星型ブロックコポリマー |
| JP2002105153A (ja) * | 2000-09-29 | 2002-04-10 | Nippon Soda Co Ltd | アルケニルフェノール系星型ブロック共重合体、およびその製造方法 |
| JP2003342327A (ja) * | 2002-05-24 | 2003-12-03 | Tosoh Corp | 狭分散性オキシスチレン系共重合体及びその製造方法 |
| WO2009008252A1 (ja) * | 2007-07-06 | 2009-01-15 | Maruzen Petrochemical Co., Ltd. | Aba型トリブロック共重合体及びその製造方法 |
| WO2010050357A1 (ja) * | 2008-10-27 | 2010-05-06 | Jsr株式会社 | 感光性絶縁樹脂組成物及びその硬化物 |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011063661A (ja) * | 2009-09-15 | 2011-03-31 | Daikin Industries Ltd | 含フッ素非線状ポリマー、およびその製造方法 |
| WO2015033899A1 (ja) * | 2013-09-03 | 2015-03-12 | 丸善石油化学株式会社 | ビニルエーテル系星型ポリマー |
| JPWO2015033899A1 (ja) * | 2013-09-03 | 2017-03-02 | 丸善石油化学株式会社 | ビニルエーテル系星型ポリマー |
| US9908960B2 (en) | 2013-09-03 | 2018-03-06 | Maruzen Petrochemical Co., Ltd. | Star-shaped vinyl ether polymer |
| WO2020129611A1 (ja) * | 2018-12-20 | 2020-06-25 | 丸善石油化学株式会社 | 親水性保護基を有するレジスト用重合体 |
Also Published As
| Publication number | Publication date |
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| KR20120066016A (ko) | 2012-06-21 |
| JP5844640B2 (ja) | 2016-01-20 |
| TW201127857A (en) | 2011-08-16 |
| JPWO2011018924A1 (ja) | 2013-01-17 |
| EP2465885A1 (en) | 2012-06-20 |
| US20120172535A1 (en) | 2012-07-05 |
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