WO2018164147A1 - ポリマーの製造方法 - Google Patents
ポリマーの製造方法 Download PDFInfo
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- WO2018164147A1 WO2018164147A1 PCT/JP2018/008642 JP2018008642W WO2018164147A1 WO 2018164147 A1 WO2018164147 A1 WO 2018164147A1 JP 2018008642 W JP2018008642 W JP 2018008642W WO 2018164147 A1 WO2018164147 A1 WO 2018164147A1
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- 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
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- C08F14/00—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 a halogen
- C08F14/18—Monomers containing fluorine
- C08F14/185—Monomers containing fluorine not covered by the groups C08F14/20 - C08F14/28
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- C08F114/00—Homopolymers 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 a halogen
- C08F114/18—Monomers containing fluorine
- C08F114/185—Monomers containing fluorine not covered by the groups C08F114/20 - C08F114/28
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- C08F14/00—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 a halogen
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- C08F2/00—Processes of polymerisation
- C08F2/38—Polymerisation using regulators, e.g. chain terminating agents, e.g. telomerisation
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- C08F214/00—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 a halogen
- C08F214/02—Monomers containing chlorine
- C08F214/04—Monomers containing two carbon atoms
- C08F214/06—Vinyl chloride
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- C08F214/00—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 a halogen
- C08F214/18—Monomers containing fluorine
- C08F214/26—Tetrafluoroethene
- C08F214/265—Tetrafluoroethene with non-fluorinated comonomers
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- C08F259/00—Macromolecular compounds obtained by polymerising monomers on to polymers of halogen containing monomers as defined in group C08F14/00
- C08F259/08—Macromolecular compounds obtained by polymerising monomers on to polymers of halogen containing monomers as defined in group C08F14/00 on to polymers containing fluorine
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08F293/00—Macromolecular compounds obtained by polymerisation on to a macromolecule having groups capable of inducing the formation of new polymer chains bound exclusively at one or both ends of the starting macromolecule
- C08F293/005—Macromolecular compounds obtained by polymerisation on to a macromolecule having groups capable of inducing the formation of new polymer chains bound exclusively at one or both ends of the starting macromolecule using free radical "living" or "controlled" polymerisation, e.g. using a complexing agent
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- 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
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- C08F4/00—Polymerisation catalysts
- C08F4/04—Azo-compounds
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- C—CHEMISTRY; METALLURGY
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- C08F2410/00—Features related to the catalyst preparation, the catalyst use or to the deactivation of the catalyst
- C08F2410/01—Additive used together with the catalyst, excluding compounds containing Al or B
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- C—CHEMISTRY; METALLURGY
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- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2438/00—Living radical polymerisation
Definitions
- the present invention relates to a method for producing a polymer, in which a haloolefin is radically polymerized in the presence of an organic tellurium compound.
- the radical polymerization reaction is widely used industrially because it has excellent versatility in monomers and can be easily carried out in polar media such as water.
- control of the molecular weight by a general radical polymerization method is limited, and the molecular weight distribution of the resulting polymer tends to be wide.
- the living radical polymerization method has attracted attention as a polymerization method for obtaining a polymer having a controlled molecular weight and a narrow molecular weight distribution, and various polymerization control agents have been developed.
- different monomers can be copolymerized using the obtained polymer as a macropolymerization initiator or a macrochain transfer agent.
- Patent Documents 1 and 2 describe a method of living radical polymerization of a vinyl monomer using an organic tellurium compound.
- Patent Document 3 describes a method of living radical copolymerization of trifluoroethylene and another monomer using a xanthate compound, a trithiocarbonate compound or a monoiodide compound.
- a haloolefin polymer useful for polymer design and the like can be produced by radical polymerization of a haloolefin in the presence of an organic tellurium compound.
- the present invention has been made in view of the above-described conventional situation, and an object thereof is to radically polymerize a haloolefin to produce a useful haloolefin polymer or copolymer.
- the present invention relates to the following ⁇ 1> to ⁇ 11>.
- ⁇ 1> A compound represented by the following formula (3) in the presence of at least one compound selected from the group consisting of a compound represented by the following formula (1) and a compound represented by the following formula (2).
- R 1, .R 2 represents an alkyl group, a substituted alkyl group, an aryl group or a substituted aryl group having a carbon number of 3 to 16 3 to 12 carbon atoms having 1 to 8 carbon atoms having 1 to 8 carbon atoms
- R 3 each independently represents a hydrogen atom or an alkyl group having 1 to 8 carbon atoms
- R 4 represents a hydrogen atom, an alkyl group having 1 to 8 carbon atoms, a substituted alkyl group having 1 to 8 carbon atoms, a carbon atom
- R 5 represents an alkyl group having 1 to 8 carbon atoms, a substituted alkyl group having 1 to 8 carbon atoms, an aryl group having 3 to 12 carbon atoms, or a substituted aryl group having 3 to 16 carbon atoms.
- X 1 represents a fluorine atom or a chlorine atom.
- X 2 , X 3 and X 4 each independently represent a hydrogen atom, a fluorine atom, a chlorine atom or —CX 5 X 6 X 7 .
- X 5 , X 6 and X 7 each independently represents a hydrogen atom, a fluorine atom or a chlorine atom.
- the compound represented by the formula (3) is vinyl fluoride, vinylidene fluoride, trifluoroethylene, chlorotrifluoroethylene, tetrafluoroethylene, hexafluoropropylene, tetrafluoropropylene, vinylidene chloride, vinyl chloride,
- R 1 is an alkyl group having 1 to 4 carbon atoms or a phenyl group
- R 2 and R 3 are each independently a hydrogen atom or having 1 to 4 carbon atoms.
- R 4 is a compound represented by an aryl group having 5 to 12 carbon atoms or an oxycarbonyl group.
- the compound represented by the formula (2) is a compound in which R 5 is an alkyl group having 1 to 4 carbon atoms or a phenyl group.
- ⁇ 5> The method for producing a polymer according to any one of ⁇ 1> to ⁇ 4>, wherein the obtained polymer has a molecular weight distribution of 2.0 or less.
- ⁇ 6> The method for producing a polymer according to any one of ⁇ 1> to ⁇ 5>, wherein an azo polymerization initiator is used in combination.
- ⁇ 8> The method for producing a polymer according to any one of ⁇ 1> to ⁇ 7>, wherein the compound represented by the formula (3) and the compound (6) are block copolymerized.
- ⁇ 9> The method for producing a polymer according to ⁇ 8>, wherein the compound (6) is styrene.
- ⁇ 10> The method for producing a polymer according to any one of ⁇ 1> to ⁇ 7>, wherein the compound represented by the formula (3) and the compound (6) are randomly copolymerized.
- ⁇ 11> The method for producing a polymer according to ⁇ 10>, wherein the compound (6) is styrene or vinyl acetate.
- a method for radical polymerization of a specific haloolefin in the presence of a specific tellurium compound can be provided.
- haloolefin By using haloolefin as a raw material, flame retardancy and chemical resistance can be imparted to the resulting polymer.
- a haloolefin when used as a raw material, the molecular weight distribution is unlikely to be narrow, but according to the present invention, a polymer having a narrow molecular weight distribution is easily obtained.
- the number of carbons means the total number of carbon atoms contained in an entire group. When the group does not have a substituent, it represents the number of carbon atoms forming the skeleton of the group, and the group has a substituent. When it has, it represents the total number which added the number of the carbon atoms in a substituent to the number of the carbon atoms which form the frame
- An aryl group means a monovalent group corresponding to a residue obtained by removing one hydrogen atom bonded to any one of carbon atoms forming an aromatic ring in an aromatic compound, and a carbocyclic compound And a heteroaryl group derived from a heterocyclic compound.
- the reactive carbon-carbon double bond means a carbon-carbon double bond that can react variously as an olefin, and does not include an aromatic double bond.
- the first embodiment of the present invention relates to a method for producing a polymer by radical polymerization of a compound represented by the above formula (3) in the presence of a specific organic tellurium compound.
- the compound represented by the above formula (3) and a reactive carbon-carbon double bond are represented by the above formula (3).
- the present invention relates to a method for producing a polymer by radical polymerization of a compound different from the compound to be produced (hereinafter sometimes referred to as compound (6)).
- organic tellurium compound In the present invention, as the specific organic tellurium compound, an organic tellurium compound represented by the above formula (1), an organic ditellurium compound represented by the above formula (2), or both of them can be used. In the present specification, the organic tellurium compound represented by the above formula (1), the organic ditellurium compound represented by the above formula (2), or both of them may be simply referred to as an organic tellurium compound.
- R 1 to R 4 are as defined above.
- Specific examples of the group represented by R 1 are as follows.
- Examples of the alkyl group having 1 to 8 carbon atoms include methyl group, ethyl group, n-propyl group, isopropyl group, cyclopropyl group, n-butyl group, sec-butyl group, tert-butyl group, cyclobutyl group, and n-pentyl.
- a linear or branched alkyl group having 1 to 4 carbon atoms is preferable, and a methyl group, an ethyl group, or an n-butyl group is more preferable.
- Examples of the substituted alkyl group having 1 to 8 carbon atoms include an alkyl group having a substituent such as a fluorine atom, a chlorine atom, an alkoxy group or a fluoroalkoxy group at an arbitrary position.
- an alkyl group having 2 to 13 fluorine atoms is preferable, and a (perfluoroalkyl) ethyl group (having 3 to 8 carbon atoms) is more preferable from the viewpoint of suppressing a hydrogen atom abstraction reaction by a radical.
- aryl group having 3 to 12 carbon atoms examples include a homoaryl group such as a phenyl group and a naphthyl group, and a heteroaryl group such as a pyridyl group, a pyrrole group, a furyl group and a thienyl group, preferably a homoaryl group, More preferably, it is a phenyl group.
- Examples of the substituted aryl group having 3 to 16 carbon atoms include a halogen atom, a hydroxyl group, an alkoxy group, an amino group, a nitro group, a cyano group, and a carbonyl-containing group represented by —COR a
- R a carbon number 1 to 8 alkyl groups (preferably linear or branched alkyl groups having 1 to 4 carbon atoms), alkoxy groups having 1 to 8 carbon atoms (preferably linear or branched chains having 1 to 4 carbon atoms) 1 to 4 (preferably 1 to 3, more preferably 1, more preferably para or ortho) substituents such as an alkoxy group), aryl group, or aryloxy group], sulfonyl group, trifluoromethyl group, etc.
- R a carbon number 1 to 8 alkyl groups (preferably linear or branched alkyl groups having 1 to 4 carbon atoms), alkoxy groups having 1 to 8 carbon atoms (preferably linear or branched chains having 1 to 4
- R 2 and R 3 are specifically as follows.
- Examples of the alkyl group having 1 to 8 carbon atoms include those similar to the alkyl group having 1 to 8 carbon atoms represented by R 1 above.
- R 2 and R 3 are preferably a hydrogen atom or an alkyl group having 1 to 4 carbon atoms.
- each group represented by R 4 is as follows.
- the alkyl group having 1 to 8 carbon atoms, the substituted alkyl group having 1 to 8 carbon atoms, the aryl group having 3 to 12 carbon atoms, and the substituted aryl group having 3 to 16 carbon atoms are the same as the groups represented by R 1 above. Can be mentioned.
- acyl group having 2 to 8 carbon atoms examples include acetyl group and benzoyl group.
- Examples of the amide group having 2 to 8 carbon atoms include carbamoyl group, dicarbamoylmethyl group, carbamoyl group-containing group such as 4-carbamoylphenyl group, thiocarbamoyl group-containing group such as thiocarbamoylmethyl group, 4-thiocarbamoylphenyl group, etc. And N-substituted carbamoyl group-containing groups such as a dimethylcarbamoylmethyl group.
- Alkenyl groups preferably linear or branched alkenyl groups having 2 to 4 carbon atoms
- alkynyl groups having 2 to 8 carbon atoms preferably linear or branched chains having 2 to 4 carbon atoms
- Alkynyl group or an aryl group having 3 to 12 carbon atoms.
- An alkyl group having 1 to 8 carbon atoms, an alkenyl group having 2 to 8 carbon atoms, an alkynyl group having 2 to 8 carbon atoms, or an aryl group having 3 to 12 carbon atoms represented by R b is a halogen atom or a hydroxyl group at an arbitrary position; , Alkoxy groups, trialkylsilyl ether groups, trialkylsilyl groups, amino groups, nitro groups, cyano groups, sulfonyl groups, trifluoromethyl groups, and the like having 1 to 4 substituents (preferably 1 to 3, more preferably May be one).
- Examples of the oxycarbonyl group include a carboxy group, a methoxycarbonyl group, an ethoxycarbonyl group, a propoxycarbonyl group, an n-butoxycarbonyl group, a sec-butoxycarbonyl group, a tert-butoxycarbonyl group, an n-pentoxycarbonyl group, and a phenoxycarbonyl group.
- it is a methoxycarbonyl group or an ethoxycarbonyl group.
- R 4 is preferably an aryl group having 5 to 12 carbon atoms, an oxycarbonyl group, or a cyano group.
- Preferred compound (1) is as follows: R 1 is an alkyl group or phenyl group having 1 to 4 carbon atoms, R 2 and R 3 are each independently a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, and R 4 is a carbon number. A compound represented by 5 to 12 aryl groups or oxycarbonyl groups.
- R 1 is an alkyl group or phenyl group having 1 to 4 carbon atoms
- R 2 and R 3 are each independently a hydrogen atom or an alkyl group having 1 to 4 carbon atoms
- R 4 is a phenyl group, a methoxycarbonyl group or It is a compound represented by an ethoxycarbonyl group.
- the compound (1) include (methylterranylmethyl) benzene, (methylterranylmethyl) naphthalene, ethyl-2-methyl-2-methylterranyl-propionate, ethyl-2-methyl-2-n- Butylterranyl-propionate, (2-trimethylsiloxyethyl) -2-methyl-2-methylterranyl-propionate, (2-hydroxyethyl) -2-methyl-2-methylterranyl-propionate, (3-trimethylsilylpropargyl) -2-methyl- Mention may be made, for example, of the compounds described in WO 2004/014848 and WO 2004/014962, such as 2-methylterranyl-propinate.
- the method for producing the compound (1) is not particularly limited, and can be produced by a known method described in International Publication No. 2004/014848 and International Publication No. 2004/014962.
- the compound (1) can be produced by reacting a compound represented by the following general formula (4), a compound represented by the following general formula (5) and metal tellurium.
- R 2 , R 3 and R 4 are as shown in the above formula (1).
- X is a halogen atom, preferably a chlorine atom, a bromine atom or an iodine atom.
- R 1 is as shown in the above formula (1).
- M represents an alkali metal, alkaline earth metal or copper atom.
- m is 1, when M is an alkaline earth metal, m is 2, and when M is a copper atom, m is 1 or 2.
- m is 2, a plurality of R 1 may be the same or different.
- Examples of those represented by M include alkali metals such as lithium, sodium and potassium, alkaline earth metals such as magnesium and calcium, and copper. Among these, lithium is preferable.
- M is magnesium
- the formula for example, as a compound of (5) Mg (R 1) a compound represented by 2 and the like, simultaneously with Mg (R 1) 2, or Mg (R 1) 2
- a compound (Grignard reagent) represented by R 1 MgX (X is a halogen atom) can also be used.
- X is preferably a chlorine atom or a bromine atom.
- R 5 is the same as R 1 shown in the above formula (1).
- Preferable compound (2) is a compound in which R 5 is an alkyl group having 1 to 4 carbon atoms or a phenyl group.
- the compound (2) include dimethylditelluride, diethylditelluride, di-n-propylditelluride, diisopropylditelluride, dicyclopropylditelluride, di-n-butylditelluride, di- -Sec-butylditelluride, di-tert-butylditelluride, dicyclobutylditelluride, diphenylditelluride, bis- (p-methoxyphenyl) ditelluride, bis- (p-aminophenyl) ditelluride, bis- (p-nitrophenyl) ) Ditelluride, bis- (p-cyanophenyl) ditelluride, bis- (p-sulfonylphenyl) ditelluride, dinaphthyl ditelluride, dipyridyl ditelluride and the like.
- dimethyl ditelluride diethyl ditelluride, di-n-propyl ditelluride, di-n-butyl ditelluride or diphenyl ditelluride is preferable.
- the compound (1) can also be produced by a reaction of the compound (2) and an azo polymerization initiator, which is a known method described in Japanese Patent Application Laid-Open No. 2004-323437. This reaction may be performed in advance before radical polymerization, or may be performed simultaneously with radical polymerization in the presence of a monomer.
- a compound (3) is used as a monomer with which it uses for radical polymerization.
- X 1 to X 4 are as defined above.
- X 1 is preferably a fluorine atom.
- X 2 , X 3 and X 4 are preferably a hydrogen atom or a fluorine atom.
- the compound (3) has a propylene structure.
- X 3 or X 4 is -CX 5 X 6 X 7, and more preferable from the viewpoint of polymerization reactivity
- X 3 is -CX 5 X 6 X 7.
- Preferred compounds (3) include vinyl fluoride, vinylidene fluoride, trifluoroethylene, chlorotrifluoroethylene, tetrafluoroethylene, hexafluoropropylene, tetrafluoropropylene, vinylidene chloride, vinyl chloride, 1-chloro-1-fluoro Examples include ethylene and 1,2-dichloro-1,2-difluoroethylene. Of these, the compound (3) is more preferably vinylidene fluoride, trifluoroethylene, chlorotrifluoroethylene, tetrafluoroethylene, hexafluoropropylene, tetrafluoropropylene, 1,2-dichloro-1,2-difluoroethylene. .
- Compound (3) may be used alone or in combination of two or more. When two or more kinds of compounds (3) are used, they may be used in combination (in the case of random copolymerization) or sequentially (in the case of block copolymerization).
- Compound (6) In the second embodiment of the present invention, the compound (6) having a reactive carbon-carbon double bond is used together with the compound (3) as a monomer for radical polymerization.
- Compound (6) is a compound different from compound (3).
- the compound (6) is not particularly limited as long as it can be radically polymerized.
- ethylene isobutylene, butadiene, methyl (meth) acrylate, ethyl (meth) acrylate, propyl (meth) acrylate, (Meth) acrylic acid ester monomers such as butyl (meth) acrylate, octyl (meth) acrylate, lauryl (meth) acrylate, cyclohexyl (meth) acrylate, methyl cyclohexyl (meth) acrylate, (meth) acrylic acid Isobornyl, cycloalkyl group-containing unsaturated monomers such as (meth) acrylic acid cyclododecyl, (meth) acrylic acid, maleic acid, fumaric acid, itaconic acid, citraconic acid, crotonic acid, maleic anhydride, itaconic anhydride and other carboxyls Group-containing unsaturated mono
- (meth) acrylic acid is a general term for “acrylic acid” and “methacrylic acid”.
- (Meth) acrylamide is a general term for “acrylamide” and “methacrylamide”.
- (Meth) acrylate” is a general term for “acrylate” and “methacrylate”.
- (meth) acrylic acid ester monomers, tertiary amine-containing unsaturated monomers, styrenic monomers, vinyl acetate, acrylamide or N, N-dimethylacrylamide are preferable.
- Preferred (meth) acrylic acid ester monomers include methyl (meth) acrylate, ethyl (meth) acrylate, propyl (meth) acrylate or butyl (meth) acrylate. Particularly preferred is methyl (meth) acrylate or butyl (meth) acrylate.
- Preferred tertiary amine-containing unsaturated monomers are N, N-dimethylaminoethyl (meth) acrylamide or 2- (dimethylamino) ethyl (meth) acrylate.
- Preferred styrenic monomers include styrene, ⁇ -methylstyrene, 2-methylstyrene, 4-methylstyrene, 4-methoxystyrene, 4-chlorostyrene, 4- (chloromethyl) styrene, divinylbenzene, and 4-styrenesulfonic acid. Or the alkali metal salt (sodium salt, potassium salt). Among these, styrene, 4-methoxystyrene, 4-chlorostyrene or 4- (chloromethyl) styrene is particularly preferable.
- radical polymerization method is as follows. At least one compound selected from the group consisting of the compound (3), and the compound (1) and the compound (2) is mixed in a container replaced with an inert gas or a vacuum-depressurized container.
- the inert gas include nitrogen, argon, and helium. Among these, nitrogen or argon is preferable, and nitrogen is more preferable.
- an azo polymerization initiator may be used in combination for the purpose of accelerating the polymerization rate.
- the azo polymerization initiator can be used without particular limitation as long as it is an azo polymerization initiator used in normal radical polymerization.
- azo polymerization initiator examples include 2,2′-azobis (isobutyronitrile) (AIBN), 2,2′-azobis (2-methylbutyronitrile) (AMBN), and 2,2′-azobis.
- AIBN isobutyronitrile
- AMBN 2,2′-azobis (2-methylbutyronitrile)
- BBN 1,1′-azobis (1-cyclohexanecarbonitrile
- MAIB dimethyl-2,2′-azobisisobutyrate
- ACVA 4,4 ′ -Azobis (4-cyanovaleric acid)
- ACVA 1,1'-azobis (1-acetoxy-1-phenylethane
- 2,2'-azobis (2-methylbutyramide 2,2'-azobis (4-methoxy-2,4-dimethylvaleronitrile
- 2,2′-azobis (2-methylamidinopropane) dihydrochloride 2,2′-azobis [2- (2-imidazo N-2-yl) propane], 2,2′
- azo initiators are preferably selected as appropriate according to the reaction conditions.
- ADVN 2,2′-azobis (4-methoxy-2,4-dimethylvaleronitrile) for low temperature polymerization (40 ° C. or lower), AIBN, AMBN for medium temperature polymerization (40-80 ° C.) MAIB, 1,1′-azobis (1-acetoxy-1-phenylethane), ACVA, 2,2′-azobis (2-methylbutyramide), 2,2′-azobis (2-methylamidinopropane)
- hydrochloride 2,2′-azobis [2- (2-imidazolin-2-yl) propane]
- high temperature polymerization 80 ° C.
- ACHN 2-cyano-2-propylazoformamide
- 2,2 '-Azobis N-butyl-2-methylpropionamide
- 2,2'-azobis N-cyclohexyl-2-methylpropionamide
- 2,2'-azobis 2,4,4 Trimethylpentane
- the amount of compound (1) or compound (2) to be used is usually when compound (1) or compound (2) (compound (1) and compound (2) are used in combination with respect to 1 mol of compound (3).
- the total amount is 0.0001 to 0.01 mol, preferably 0.001 to 0.01 mol.
- the compound (1) or the compound (2) and the azo polymerization initiator As a use ratio of the compound (1) or the compound (2) and the azo polymerization initiator, usually, when the compound (1) or the compound (2) (the compound (1) and the compound (2) are used in combination, these are used.
- the total amount of azo polymerization initiator is 0.01 to 100 mol, preferably 0.1 to 10 mol, and particularly preferably 0.1 to 5 mol with respect to 1 mol.
- the use amount thereof is usually 0.01 to 100 mol, preferably 0.05 to 10 mol, relative to 1 mol of the compound (1). Particularly preferably, 0.1 to 5 mol is used.
- radical polymerization can be carried out without a solvent, but can be carried out using an organic solvent or an aqueous solvent generally used in radical polymerization.
- organic solvent examples include benzene, toluene, pyridine, N, N-dimethylformamide (DMF), dimethyl sulfoxide (DMSO), acetone, acetonitrile, 2-butanone (methyl ethyl ketone), dioxane, hexafluoroisopropol, chloroform, Carbon tetrachloride, tetrahydrofuran (THF), methyl acetate, ethyl acetate, dimethyl carbonate, ethylene carbonate, propylene carbonate, trifluoromethylbenzene, 1H-tridecafluorohexane, 1H, 1H, 1H, 2H, 2H-tridecafluorooctane 1,1,2,2-tetrafluoroethyl-2,2,2-trifluoroethyl ether, N-methyl-N-methoxymethylpyrrolidinium tetrafluoroborate, N-methyl-N-ethoxy
- aqueous solvent examples include water, methanol, ethanol, isopropanol, n-butanol, ethyl cellosolve, butyl cellosolve, 1-methoxy-2-propanol, and diacetone alcohol.
- the amount of the solvent used may be appropriately adjusted.
- the solvent is 0.01 to 50 L, preferably 0.05 to 10 L, particularly preferably 0.1 to 5 L with respect to 1000 g of the obtained polymer. Can be used.
- the reaction temperature and reaction time may be appropriately adjusted depending on the molecular weight or molecular weight distribution of the polymer to be obtained, but are usually stirred at 60 to 150 ° C. for 5 to 100 hours.
- stirring is performed at 80 to 120 ° C. for 10 to 30 hours. At this time, it is normally performed at normal pressure, but may be pressurized or reduced in pressure.
- the target product is isolated by removing the target polymer and residual monomer under reduced pressure by taking out the target polymer by a conventional method, or by reprecipitation using a target polymer insoluble solvent.
- any treatment method can be used as long as there is no problem with the object.
- the production method of the present invention can perform excellent molecular weight control and molecular weight distribution control under very mild conditions.
- the molecular weight of the polymer obtained in the first embodiment of the present invention can be adjusted by the reaction time and the amount of the organic tellurium compound.
- a polymer having a number average molecular weight of 500 to 1,000,000 can be obtained.
- it is suitable for obtaining a polymer having a number average molecular weight of 1,000 to 50,000.
- the molecular weight distribution ⁇ PD Mw (weight average molecular weight) / Mn (number average molecular weight) ⁇ of the polymer obtained in the first embodiment of the present invention is controlled to 2.0 or less, for example. Furthermore, a polymer having a narrower molecular weight distribution such as a molecular weight distribution of 1.5 or less, and further 1.4 or less can be obtained.
- the lower limit of the molecular weight distribution is 1.0 from the definition.
- the number average molecular weight and the weight average molecular weight of the polymer in the present specification were determined by SEC (Size Exclusion Chromatography) measurement, and polystyrene was used as a standard substance for molecular weight conversion.
- the terminal group of the polymer obtained in the first embodiment of the present invention has been confirmed to be a functional group containing highly reactive tellurium derived from an organic tellurium compound.
- the polymer obtained by this invention can be used as a macro radical polymerization initiator (macro initiator) or a macro radical chain transfer agent.
- an organic tellurium compound is used, for example, an AB diblock copolymer such as trifluoroethylene-butyl acrylate, or trifluoroethylene-butyl acrylate-trifluoro
- An ABA triblock copolymer such as ethylene can be obtained.
- styrene is preferred as the compound (6).
- the method for producing the block copolymer is specifically as follows.
- an AB diblock copolymer for example, in the case of a trifluoroethylene-styrene copolymer, first, trifluoroethylene, a compound (1) and a compound (2 And a method in which at least one compound selected from the group consisting of) is mixed to produce polytrifluoroethylene and then styrene is mixed to obtain a trifluoroethylene-styrene copolymer.
- the monomer (A) is mixed, and the ABA triblock copolymer is prepared.
- the method of obtaining is mentioned.
- Other conditions relating to the polymerization are the same as those in the first embodiment described above.
- the reaction of the next block may be started as it is, or after the reaction is completed once, the reaction of the next block may be started after purification.
- Isolation of the block copolymer can be performed by a usual method.
- the molecular weight of the polymer obtained in the second embodiment (block copolymerization) of the present invention can be adjusted by the reaction time and the amount of the organic tellurium compound.
- the number average molecular weight is 1,000 to 2,000,000.
- a polymer can be obtained.
- it is suitable for obtaining a polymer having a number average molecular weight of 2,000 to 100,000.
- the molecular weight distribution ⁇ PD Mw (weight average molecular weight) / Mn (number average molecular weight) ⁇ of the polymer obtained in the second embodiment (block copolymerization) of the present invention is controlled to 2.0 or less, for example. Furthermore, a polymer having a narrower molecular weight distribution such as a molecular weight distribution of 1.5 or less, and further 1.4 or less can be obtained. The lower limit of the molecular weight distribution is 1.0 from the definition.
- a random copolymer or an alternating copolymer can be obtained by reacting compound (3) and compound (6) simultaneously using an organic tellurium compound. It is known that an alternating copolymer is produced when the difference in electron density at the double bond site between copolymer monomers is large.
- the compound (6) is preferably styrene or vinyl acetate.
- the molecular weight of the polymer obtained in the second embodiment (random copolymerization) of the present invention can be adjusted by the reaction time and the amount of the organic tellurium compound.
- a polymer having a number average molecular weight of 500 to 1,000,000 is used.
- the molecular weight distribution ⁇ PD Mw (weight average molecular weight) / Mn (number average molecular weight) ⁇ of the polymer obtained in the second embodiment (random copolymerization) of the present invention is controlled to 2.0 or less, for example. Furthermore, a polymer having a narrower molecular weight distribution such as a molecular weight distribution of 1.5 or less, and further 1.4 or less can be obtained.
- the lower limit of the molecular weight distribution is 1.0 from the definition.
- Example 1 In a stainless steel autoclave with a stirrer having an internal volume of 30 mL, 0.423 g (1.84 mmol) of azo polymerization initiator “V-601” (manufactured by Wako Pure Chemical Industries, Ltd.), 0.221 g (0.540 mmol) of diphenyl Ditelluride and 14.3 g of acetonitrile were charged and freeze degassed. After 15.0 g of trifluoroethylene was injected, stirring was started while the internal temperature was raised to 80 ° C. When stirring was performed for 4 hours at 400 rpm while maintaining the internal temperature, the internal pressure decreased from 2.38 MPaG to 2.31 MPaG. After the autoclave was cooled in an ice water bath, unreacted trifluoroethylene was purged.
- V-601 azo polymerization initiator
- the obtained polymer solution was put into a fluorinated solvent “Asahi Klin AC-2000” (manufactured by Asahi Glass Co., Ltd.), and the precipitated polymer was precipitated with a centrifuge and separated from the supernatant. It was dried in a vacuum oven for 12 hours to obtain 1.84 g of a fluoropolymer.
- the number average molecular weight Mn of the fluoropolymer was 3,350, and Mw / Mn was 1.33.
- the molecular weight distribution (Mw / Mn) is 1.5 or less, and this radical polymerization shows the characteristics of living radical polymerization.
- 81.5% of the phenyl tellurium group used was contained in the fluoropolymer.
- Example 2 Aside from using 0.154 g (0.669 mmol) of azo polymerization initiator “V-601” (manufactured by Wako Pure Chemical Industries, Ltd.), 0.0818 g (0.200 mmol) of diphenyl ditelluride, and 14.76 g of acetonitrile, When performed in the same manner as in Example 1, the internal pressure decreased from 2.25 MPaG to 1.91 MPaG.
- the obtained polymer solution was vacuum-dried to obtain 4.06 g of a solid.
- the solid was dissolved in acetonitrile and charged into a fluorine-based solvent “Asahiclin AC-2000” (manufactured by Asahi Glass Co., Ltd.) to precipitate a polymer.
- the polymer was separated by filtration with a polytetrafluoroethylene filter (0.5 ⁇ m pore) and dried in a vacuum oven at 40 ° C. for 12 hours.
- the number average molecular weight Mn of the fluoropolymer was 11,400, and Mw / Mn was 1.40.
- Mn number average molecular weight of the fluoropolymer was 11,400, and Mw / Mn was 1.40.
- 72.8% of the phenyl tellurium group used was contained in the fluoropolymer.
- Example 3 In a glass reactor having a volume of 30 mL with a deaeration tube and a valve, 1.72 g of the fluoropolymer obtained in Example 2, 0.0168 g (0.0730 mmol) of an azo polymerization initiator “ V-601 "(manufactured by Wako Pure Chemical Industries, Ltd.), 5.23 g of pyridine, 2.73 g of styrene and a stirrer were charged, and freeze deaeration was repeated twice. Stirring was started while the temperature of the water bath was raised to 70 ° C. While maintaining the temperature, stirring was performed at 400 rpm for 4 hours. After cooling the reactor, the contents were dried in a vacuum oven at 40 ° C. for 12 hours to obtain 2.32 g of solid. The number average molecular weight Mn of the obtained solid was 38,300, and Mw / Mn was 1.24.
- Example 4 In a stainless steel autoclave with a stirrer having an internal volume of 30 mL, 0.532 g (2.31 mmol) of azo polymerization initiator “V-601” (manufactured by Wako Pure Chemical Industries, Ltd.), 0.208 g (0.508 mmol) of diphenyl Ditelluride and 14.3 g of acetonitrile were charged and freeze degassed.
- the autoclave was heated in a hot water bath at 80 ° C. for 2 hours and then allowed to stand overnight in a ⁇ 60 ° C. freezer. Subsequently, after 15.0 g of trifluoroethylene was injected, stirring was started while the internal temperature was raised to 80 ° C. When stirring was performed at 400 rpm for 4 hours while maintaining the internal temperature, the internal pressure increased to 2.4 MPaG.
- the obtained polymer solution was dried in a vacuum oven at 40 ° C. for 12 hours to obtain 0.68 g of a solid.
- the obtained solid had a number average molecular weight Mn of 32,700 and Mw / Mn of 1.82.
- Example 5 Into a stainless steel autoclave with a stirrer having an internal volume of 30 mL, 0.5 g of 2,2-azobis (isobutyronitrile), 0.2 g of ethyl-2-methyl-2-n-butylteranyl-propionate (International Publication No. Synthesizing according to Synthesis Example 10 described in 2004/014848), 7 g of vinyl acetate and 14 g of acetonitrile were charged and freeze degassed. After injecting 8 g of tetrafluoroethylene, stirring was started while the internal temperature was raised to 60 ° C. While maintaining the internal temperature, stirring was performed at 400 rpm for 4 hours. After the autoclave was cooled in an ice water bath, unreacted tetrafluoroethylene was purged. The obtained polymer solution was dried in a vacuum oven at 40 ° C. for 12 hours to obtain a solid.
- Example 6 A stainless steel autoclave with an internal volume of 1 L was vacuum-depressurized, and 420 g of deionized water, 0.13 g of a polyvinyl alcohol partially saponified product (saponification degree of 80 mol%, average polymerization degree of 2600), 0.05 g of hydroxypropylmethylcellulose were added. Preparation and nitrogen substitution were performed 3 times. Next, 0.5 g of 2,2-azobis (isobutyronitrile) and 0.2 g of diphenylditelluride 0.2 g were dissolved and dispersed in 40 mL of ethanol, and 130 g of vinyl chloride monomer was injected. After that, stirring was started while the internal temperature was raised to 60 ° C.
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Abstract
Description
また、リビングラジカル重合法では、得られたポリマーをマクロ重合開始剤又はマクロ連鎖移動剤として利用して異なるモノマーを共重合させることも可能となる。
<1>下記式(1)で表される化合物及び下記式(2)で表される化合物からなる群から選ばれる少なくとも1種の化合物の存在下、下記式(3)で表される化合物を重合するか、下記式(3)で表される化合物と、反応性炭素-炭素二重結合を有し下記式(3)で表される化合物とは異なる化合物(6)とを共重合する、ポリマーの製造方法。
<2>前記式(3)で表される化合物が、フッ化ビニル、フッ化ビニリデン、トリフルオロエチレン、クロロトリフルオロエチレン、テトラフルオロエチレン、ヘキサフルオロプロピレン、テトラフルオロプロピレン、塩化ビニリデン、塩化ビニル、1-クロロ-1-フルオロエチレン及び1,2-ジクロロ-1,2-ジフルオロエチレンからなる群から選ばれる1種以上である、前記<1>に記載のポリマーの製造方法。
<3>前記式(1)で表される化合物が、R1が炭素数1~4のアルキル基又はフェニル基、R2及びR3が、それぞれ独立に、水素原子又は炭素数1~4のアルキル基、R4が炭素数5~12のアリール基又はオキシカルボニル基で示される化合物である、前記<1>又は<2>に記載のポリマーの製造方法。
<4>前記式(2)で表される化合物が、R5が炭素数1~4のアルキル基又はフェニル基で示される化合物である、前記<1>~<3>のいずれか1つに記載のポリマーの製造方法。
<5>得られるポリマーの分子量分布が2.0以下である、前記<1>~<4>のいずれか1つに記載のポリマーの製造方法。
<6>アゾ系重合開始剤を併用する、前記<1>~<5>のいずれか1つに記載のポリマーの製造方法。
<7>前記式(1)で表される化合物と前記式(2)で表される化合物の合計1molに対して、前記アゾ系重合開始剤を0.01~100mol使用する、前記<6>に記載のポリマーの製造方法。
<8>前記式(3)で表される化合物と、前記化合物(6)とをブロック共重合する、前記<1>~<7>のいずれか1つに記載のポリマーの製造方法。
<9>前記化合物(6)がスチレンである、前記<8>に記載のポリマーの製造方法。
<10>前記式(3)で表される化合物と、前記化合物(6)とをランダム共重合する、前記<1>~<7>のいずれか1つに記載のポリマーの製造方法。
<11>前記化合物(6)がスチレン又は酢酸ビニルである、前記<10>に記載のポリマーの製造方法。
なお、本明細書において、「式(n)で表される化合物」のことを、単に「化合物(n)」と称する場合がある。
アリール基とは、芳香族化合物において芳香環を形成する炭素原子の内いずれか1つの炭素原子に結合した1つの水素原子を取り去った残基に相当する一価の基を意味し、炭素環化合物から誘導されるホモアリール基と、ヘテロ環化合物から誘導されるヘテロアリール基とを合わせた総称で用いる。
反応性炭素-炭素二重結合とは、オレフィンとして各種反応しうる炭素-炭素二重結合を意味し、芳香族性の二重結合は含まない。
また、本発明の第二実施形態は、特定の有機テルル化合物の存在下、上記式(3)で表される化合物と、反応性炭素-炭素二重結合を有し上記式(3)で表される化合物とは異なる化合物(以下、化合物(6)と称することがある。)とをラジカル重合することにより、ポリマーを製造する方法に関する。
本発明において、特定の有機テルル化合物としては、上記式(1)で表される有機テルル化合物、上記式(2)で表される有機ジテルル化合物、又はこれらの両方を用いることができる。
なお、本明細書では、上記式(1)で表される有機テルル化合物、上記式(2)で表される有機ジテルル化合物、又はこれらの両方を、まとめて単に有機テルル化合物ということがある。
化合物(1)において、R1~R4は前記定義の通りである。
R1で示される基は、具体的には次の通りである。
炭素数1~8のアルキル基としては、メチル基、エチル基、n-プロピル基、イソプロピル基、シクロプロピル基、n-ブチル基、sec-ブチル基、tert-ブチル基、シクロブチル基、n-ペンチル基、n-ヘキシル基、n-ヘプチル基、n-オクチル基等の炭素数1~8の直鎖状、分岐鎖状又は環状のアルキル基を挙げることができる。
これらの中でも、炭素数1~4の直鎖状又は分岐鎖状のアルキル基が好ましく、メチル基、エチル基又はn-ブチル基がより好ましい。
これらの中でも、フッ素原子を2~13個有するアルキル基が好ましく、(ペルフルオロアルキル)エチル基(炭素数3~8)が、ラジカルによる水素原子引き抜き反応の抑制の観点からより好ましい。
炭素数1~8のアルキル基としては、上記R1で示した炭素数1~8のアルキル基と同様のものを挙げることができる。
R2及びR3としては、水素原子又は炭素数1~4のアルキル基が好ましい。
炭素数1~8のアルキル基、炭素数1~8の置換アルキル基、炭素数3~12のアリール基、炭素数3~16の置換アリール基としては、上記R1で示した基とそれぞれ同様のものを挙げることができる。
Xはハロゲン原子であり、好ましくは、塩素原子、臭素原子又はヨウ素原子である。
化合物(2)においてR5は、上記式(1)に示したR1と同じである。
好ましい化合物(2)としては、R5が炭素数1~4のアルキル基又はフェニル基で示される化合物である。
(化合物(3))
本発明の第一実施形態及び第二実施形態では、ラジカル重合に供するモノマーとして、化合物(3)を使用する。化合物(3)においてX1~X4は前記定義の通りである。
X1としては、フッ素原子が好ましい。
X2、X3及びX4としては、水素原子又はフッ素原子が好ましい。
また、X2、X3及びX4のうち1つのみが-CX5X6X7である場合、化合物(3)はプロピレン構造となる。X3又はX4が-CX5X6X7であることが好ましく、X3が-CX5X6X7であることが重合反応性の観点からより好ましい。
これらのうち化合物(3)としては、フッ化ビニリデン、トリフルオロエチレン、クロロトリフルオロエチレン、テトラフルオロエチレン、ヘキサフルオロプロピレン、テトラフルオロプロピレン、1,2-ジクロロ-1,2-ジフルオロエチレンがより好ましい。
また、本発明の第二実施形態では、ラジカル重合に供するモノマーとして、化合物(3)とともに、反応性炭素-炭素二重結合を有する化合物(6)も使用する。なお化合物(6)とは、化合物(3)とは異なる化合物である。
好ましい3級アミン含有不飽和モノマーとしては、N,N-ジメチルアミノエチル(メタ)アクリルアミド又は2-(ジメチルアミノ)エチル(メタ)アクリレートである。
これらの中でも、特に好ましくは、スチレン、4-メトキシスチレン、4-クロロスチレン又は4-(クロロメチル)スチレンである。
(化合物(3)のラジカル重合)
本発明の第一実施形態では、有機テルル化合物の存在下、化合物(3)をラジカル重合する。
不活性ガスで置換した容器又は真空減圧した容器で、化合物(3)、並びに化合物(1)及び化合物(2)からなる群から選ばれる少なくとも1種の化合物を混合する。
不活性ガスとしては、窒素、アルゴン、ヘリウムを挙げることができる。これらの中でも、窒素又はアルゴンが好ましく、窒素がより好ましい。
本発明の第二実施形態では、有機テルル化合物の存在下、化合物(3)と化合物(6)をラジカル共重合する。
本発明の第二実施形態では、有機テルル化合物を用いて、例えば、トリフルオロエチレン-アクリル酸ブチル等のA-Bジブロック共重合体や、トリフルオロエチレン-アクリル酸ブチル-トリフルオロエチレン等のA-B-Aトリブロック共重合体を得ることができる。
ブロック共重合体を得るには、化合物(6)としては、スチレンが好ましい。
A-Bジブロック共重合体の場合、例えば、トリフルオロエチレン-スチレン共重合体の場合は、上記のラジカルポリマーの製造方法と同様に、まず、トリフルオロエチレンと化合物(1)及び化合物(2)からなる群から選ばれる少なくとも1種の化合物を混合し、ポリトリフルオロエチレンを製造後、続いてスチレンを混合して、トリフルオロエチレン-スチレン共重合体を得る方法が挙げられる。
その他の重合に係る条件としては、上記した第一実施形態と同様である。
また、本発明の第二実施形態では、有機テルル化合物を用いて、化合物(3)と化合物(6)を同時に反応させるとランダム共重合体又は交互共重合体を得ることができる。交互共重合体は、共重合モノマー同士の二重結合部位の電子密度の差が大きい場合に生じることが知られている。
内容積が30mLの撹拌機付きステンレス製オートクレーブに、0.423g(1.84mmol)のアゾ重合開始剤「V-601」(和光純薬工業社製)、0.221g(0.540mmol)のジフェニルジテルリド、及び14.3gのアセトニトリルを仕込み、凍結脱気した。
15.0gのトリフルオロエチレンを圧入したのち、内温を80℃まで昇温させながら撹拌を開始した。内温を保持したまま400rpmで撹拌を4時間行ったところ、内圧は2.38MPaGから2.31MPaGまで減少した。
オートクレーブを氷水浴で冷却した後、未反応のトリフルオロエチレンをパージした。
含フッ素重合体の数平均分子量Mnは3,350であり、Mw/Mnは1.33であった。分子量分布(Mw/Mn)が1.5以下であり、このラジカル重合はリビングラジカル重合の特徴を示す。
また、1H-NMR測定の結果、用いたフェニルテルル基の81.5%が含フッ素重合体中に含まれていた。
アゾ重合開始剤「V-601」(和光純薬工業社製)を0.154g(0.669mmol)、ジフェニルジテルリドを0.0818g(0.200mmol)、アセトニトリルを14.76g用いた以外、実施例1と同様に行ったところ、内圧は2.25MPaGから1.91MPaGまで減少した。
含フッ素重合体の数平均分子量Mnは11,400であり、Mw/Mnは1.40であった。
また、1H-NMR測定の結果、用いたフェニルテルル基の72.8%が含フッ素重合体中に含まれていた。
脱気用管とバルブが付いた内容積が30mLのガラス製反応器に、1.72gの実施例2で得られた含フッ素重合体、0.0168g(0.0730mmol)のアゾ重合開始剤「V-601」(和光純薬工業社製)、5.23gのピリジン、2.73gのスチレン及び撹拌子を仕込み、凍結脱気を2回繰り返した。
水浴の温度を70℃まで昇温させながら撹拌を開始した。温度を保持したまま400rpmで撹拌を4時間行った。反応器を冷却した後、内容物を40℃の真空オーブンで12時間乾燥させ、2.32gの固体を得た。
得られた固体の数平均分子量Mnは38,300であり、Mw/Mnは1.24であった。
内容積が30mLの撹拌機付きステンレス製オートクレーブに、0.532g(2.31mmol)のアゾ重合開始剤「V-601」(和光純薬工業社製)、0.208g(0.508mmol)のジフェニルジテルリド、及び14.3gのアセトニトリルを仕込み、凍結脱気した。オートクレーブを80℃の湯浴で2時間加熱した後、-60℃の冷凍庫で一晩静置した。
つづいて、15.0gのトリフルオロエチレンを圧入したのち、内温を80℃まで昇温させながら撹拌を開始した。内温を保持したまま400rpmで撹拌を4時間行ったところ、内圧は2.4MPaGまで上昇した。
得られた固体の数平均分子量Mnは32,700であり、Mw/Mnは1.82であった。
内容積が30mLの撹拌機付きステンレス製オートクレーブに、0.5gの2,2-アゾビス(イソブチロニトリル)、0.2gのエチル-2-メチル-2-n-ブチルテラニル-プロピオネート(国際公開第2004/014848号に記載の合成例10に従い合成)、7gの酢酸ビニル、14gのアセトニトリルを仕込み、凍結脱気した。8gのテトラフルオロエチレンを圧入したのち、内温を60℃まで昇温させながら攪拌を開始した。内温を保持したまま400rpmで攪拌を4時間行った。
オートクレーブを氷水浴で冷却した後、未反応のテトラフルオロエチレンをパージした。得られた重合体溶液を40℃の真空オーブンで12時間乾燥させ、固体を得た。
内容積が1Lのステンレス製オートクレーブを真空減圧し、420gの脱イオン水、0.13gのポリビニルアルコール部分ケン化物(ケン化度80モル%で平均重合度2600)、0.05gのヒドロキシプロピルメチルセルロースを仕込み、窒素置換を3回行った。つづいて、0.5gの2,2-アゾビス(イソブチロニトリル)、0.2gのジフェニルジテルリド0.2gをエタノール40mLに溶解・分散させて仕込み、さらに、130gの塩化ビニルモノマーを圧入したのち、内温を60℃まで昇温させながら攪拌を開始した。内温を保持したまま攪拌を5時間行った。
オートクレーブを氷水浴で冷却した後、未反応の塩化ビニルをパージし、懸濁重合スラリーのろ過を行った後、2Lの脱イオン水で洗浄した。その後、35℃で3時間減圧乾燥を行い、さらに65℃で3時間減圧乾燥することにより塩化ビニル重合体を得た。
Claims (11)
- 下記式(1)で表される化合物及び下記式(2)で表される化合物からなる群から選ばれる少なくとも1種の化合物の存在下、
下記式(3)で表される化合物を重合するか、
下記式(3)で表される化合物と、反応性炭素-炭素二重結合を有し下記式(3)で表される化合物とは異なる化合物(6)とを共重合する、ポリマーの製造方法。
(式中、R1は、炭素数1~8のアルキル基、炭素数1~8の置換アルキル基、炭素数3~12のアリール基又は炭素数3~16の置換アリール基を表す。R2及びR3は、それぞれ独立に、水素原子又は炭素数1~8のアルキル基を表す。R4は、水素原子、炭素数1~8のアルキル基、炭素数1~8の置換アルキル基、炭素数3~12のアリール基、炭素数3~16の置換アリール基、炭素数2~8のアシル基、炭素数2~8のアミド基、オキシカルボニル基又はシアノ基を表す。)
(式中、R5は、炭素数1~8のアルキル基、炭素数1~8の置換アルキル基、炭素数3~12のアリール基又は炭素数3~16の置換アリール基を表す。)
(式中、X1は、フッ素原子又は塩素原子を表す。X2、X3及びX4は、それぞれ独立に、水素原子、フッ素原子、塩素原子又は-CX5X6X7を表す。X5、X6及びX7は、それぞれ独立に、水素原子、フッ素原子又は塩素原子を表す。) - 前記式(3)で表される化合物が、フッ化ビニル、フッ化ビニリデン、トリフルオロエチレン、クロロトリフルオロエチレン、テトラフルオロエチレン、ヘキサフルオロプロピレン、テトラフルオロプロピレン、塩化ビニリデン、塩化ビニル、1-クロロ-1-フルオロエチレン及び1,2-ジクロロ-1,2-ジフルオロエチレンからなる群から選ばれる1種以上である、請求項1に記載のポリマーの製造方法。
- 前記式(1)で表される化合物が、R1が炭素数1~4のアルキル基又はフェニル基、R2及びR3が、それぞれ独立に、水素原子又は炭素数1~4のアルキル基、R4が炭素数5~12のアリール基又はオキシカルボニル基で示される化合物である、請求項1又は2に記載のポリマーの製造方法。
- 前記式(2)で表される化合物が、R5が炭素数1~4のアルキル基又はフェニル基で示される化合物である、請求項1~3のいずれか1項に記載のポリマーの製造方法。
- 得られるポリマーの分子量分布が2.0以下である、請求項1~4のいずれか1項に記載のポリマーの製造方法。
- アゾ系重合開始剤を併用する、請求項1~5のいずれか1項に記載のポリマーの製造方法。
- 前記式(1)で表される化合物と前記式(2)で表される化合物の合計1molに対して、前記アゾ系重合開始剤を0.01~100mol使用する、請求項6に記載のポリマーの製造方法。
- 前記式(3)で表される化合物と、前記化合物(6)とをブロック共重合する、請求項1~7のいずれか1項に記載のポリマーの製造方法。
- 前記化合物(6)がスチレンである、請求項8に記載のポリマーの製造方法。
- 前記式(3)で表される化合物と、前記化合物(6)とをランダム共重合する、請求項1~7のいずれか1項に記載のポリマーの製造方法。
- 前記化合物(6)がスチレン又は酢酸ビニルである、請求項10に記載のポリマーの製造方法。
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| CN201880016381.9A CN110418806B (zh) | 2017-03-09 | 2018-03-06 | 聚合物的制造方法 |
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| WO2020226178A1 (ja) | 2019-05-08 | 2020-11-12 | ダイキン工業株式会社 | フルオロポリマーの製造方法及びフルオロポリマー |
| WO2021161852A1 (ja) | 2020-02-14 | 2021-08-19 | Agc株式会社 | フッ素含有重合体及びその製造方法 |
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| WO2022130919A1 (ja) | 2020-12-14 | 2022-06-23 | Agc株式会社 | テルル含有化合物、重合体、及び重合体の製造方法 |
| WO2022149531A1 (ja) * | 2021-01-08 | 2022-07-14 | Agc株式会社 | 含フッ素共重合体の製造方法及び含フッ素共重合体 |
| JP2023108942A (ja) * | 2022-01-26 | 2023-08-07 | ダイキン工業株式会社 | 電極用組成物、固体電池用結着剤およびポリマー |
| US12486343B2 (en) | 2020-09-09 | 2025-12-02 | AGC Inc. | Method for producing iodine-containing compound, and iodine-containing compound |
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Also Published As
| Publication number | Publication date |
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| CN110418806B (zh) | 2022-02-22 |
| EP3594250B1 (en) | 2025-06-25 |
| JPWO2018164147A1 (ja) | 2019-11-07 |
| CN110418806A (zh) | 2019-11-05 |
| EP3594250A1 (en) | 2020-01-15 |
| EP3594250A4 (en) | 2021-01-13 |
| JP6733807B2 (ja) | 2020-08-05 |
| US20190389983A1 (en) | 2019-12-26 |
| US10961332B2 (en) | 2021-03-30 |
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