WO2011129406A1 - 含フッ素共重合体組成物およびその製造方法 - Google Patents
含フッ素共重合体組成物およびその製造方法 Download PDFInfo
- Publication number
- WO2011129406A1 WO2011129406A1 PCT/JP2011/059299 JP2011059299W WO2011129406A1 WO 2011129406 A1 WO2011129406 A1 WO 2011129406A1 JP 2011059299 W JP2011059299 W JP 2011059299W WO 2011129406 A1 WO2011129406 A1 WO 2011129406A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- fluorine
- containing copolymer
- group
- aliphatic
- medium
- Prior art date
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- 239000000203 mixture Substances 0.000 title claims abstract description 284
- 229910052731 fluorine Inorganic materials 0.000 title claims abstract description 255
- 239000011737 fluorine Substances 0.000 title claims abstract description 252
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- 238000009835 boiling Methods 0.000 claims description 17
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- 125000003118 aryl group Chemical group 0.000 claims description 10
- 125000004430 oxygen atom Chemical group O* 0.000 claims description 10
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 9
- 239000001257 hydrogen Substances 0.000 claims description 9
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- OEIJHBUUFURJLI-UHFFFAOYSA-N octane-1,8-diol Chemical compound OCCCCCCCCO OEIJHBUUFURJLI-UHFFFAOYSA-N 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- MHYFEEDKONKGEB-UHFFFAOYSA-N oxathiane 2,2-dioxide Chemical compound O=S1(=O)CCCCO1 MHYFEEDKONKGEB-UHFFFAOYSA-N 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- HVAMZGADVCBITI-UHFFFAOYSA-M pent-4-enoate Chemical compound [O-]C(=O)CCC=C HVAMZGADVCBITI-UHFFFAOYSA-M 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 125000002467 phosphate group Chemical group [H]OP(=O)(O[H])O[*] 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920000166 polytrimethylene carbonate Polymers 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- QLNJFJADRCOGBJ-UHFFFAOYSA-N propionamide Chemical compound CCC(N)=O QLNJFJADRCOGBJ-UHFFFAOYSA-N 0.000 description 1
- 229940080818 propionamide Drugs 0.000 description 1
- KRIOVPPHQSLHCZ-UHFFFAOYSA-N propiophenone Chemical compound CCC(=O)C1=CC=CC=C1 KRIOVPPHQSLHCZ-UHFFFAOYSA-N 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- HNJBEVLQSNELDL-UHFFFAOYSA-N pyrrolidin-2-one Chemical compound O=C1CCCN1 HNJBEVLQSNELDL-UHFFFAOYSA-N 0.000 description 1
- 239000012744 reinforcing agent Substances 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 125000001273 sulfonato group Chemical group [O-]S(*)(=O)=O 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 238000010557 suspension polymerization reaction Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- ZDCRNXMZSKCKRF-UHFFFAOYSA-N tert-butyl 4-(4-bromoanilino)piperidine-1-carboxylate Chemical compound C1CN(C(=O)OC(C)(C)C)CCC1NC1=CC=C(Br)C=C1 ZDCRNXMZSKCKRF-UHFFFAOYSA-N 0.000 description 1
- YBRBMKDOPFTVDT-UHFFFAOYSA-N tert-butylamine Chemical compound CC(C)(C)N YBRBMKDOPFTVDT-UHFFFAOYSA-N 0.000 description 1
- RAOIDOHSFRTOEL-UHFFFAOYSA-N tetrahydrothiophene Chemical compound C1CCSC1 RAOIDOHSFRTOEL-UHFFFAOYSA-N 0.000 description 1
- ISXOBTBCNRIIQO-UHFFFAOYSA-N tetrahydrothiophene 1-oxide Chemical compound O=S1CCCC1 ISXOBTBCNRIIQO-UHFFFAOYSA-N 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 229930192474 thiophene Natural products 0.000 description 1
- YNJBWRMUSHSURL-UHFFFAOYSA-N trichloroacetic acid Chemical compound OC(=O)C(Cl)(Cl)Cl YNJBWRMUSHSURL-UHFFFAOYSA-N 0.000 description 1
- DQWPFSLDHJDLRL-UHFFFAOYSA-N triethyl phosphate Chemical compound CCOP(=O)(OCC)OCC DQWPFSLDHJDLRL-UHFFFAOYSA-N 0.000 description 1
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 description 1
- QLNOVKKVHFRGMA-UHFFFAOYSA-N trimethoxy(propyl)silane Chemical group [CH2]CC[Si](OC)(OC)OC QLNOVKKVHFRGMA-UHFFFAOYSA-N 0.000 description 1
- WVLBCYQITXONBZ-UHFFFAOYSA-N trimethyl phosphate Chemical compound COP(=O)(OC)OC WVLBCYQITXONBZ-UHFFFAOYSA-N 0.000 description 1
- QFKMMXYLAPZKIB-UHFFFAOYSA-N undecan-1-amine Chemical compound CCCCCCCCCCCN QFKMMXYLAPZKIB-UHFFFAOYSA-N 0.000 description 1
- KOZCZZVUFDCZGG-UHFFFAOYSA-N vinyl benzoate Chemical compound C=COC(=O)C1=CC=CC=C1 KOZCZZVUFDCZGG-UHFFFAOYSA-N 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
-
- 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
- C09D123/00—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers
- C09D123/02—Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D123/04—Homopolymers or copolymers of ethene
- C09D123/08—Copolymers of ethene
- C09D123/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C09D123/0892—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms containing monomers with other atoms than carbon, hydrogen or oxygen atoms
-
- 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
- C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F210/02—Ethene
-
- 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
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/12—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08L27/18—Homopolymers or copolymers or tetrafluoroethene
-
- 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
- C09D127/00—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 a halogen; Coating compositions based on derivatives of such polymers
- C09D127/02—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 a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D127/12—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 a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C09D127/18—Homopolymers or copolymers of tetrafluoroethene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/01—Hydrocarbons
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/02—Halogenated hydrocarbons
Definitions
- the present invention relates to a fluorine-containing copolymer composition capable of producing a thin film by coating and a method for producing the same.
- Fluororesin is excellent in solvent resistance, low dielectric properties, low surface energy, non-adhesiveness, weather resistance, etc., and is used in various applications that cannot be used with general-purpose plastics.
- ethylene / tetrafluoroethylene copolymers (hereinafter, tetrafluoroethylene is also referred to as “TFE” and ethylene / tetrafluoroethylene copolymer is also referred to as “ETFE”) are heat resistant, flame retardant, chemical resistant, and weather resistant.
- ETFE is generally insoluble in solvents and cannot be formed into thin films by coating. Therefore, the molding method is extrusion molding, injection molding, powder coating. It was limited to melt molding.
- Patent Document 4 has a very high boiling point of 220 to 290 ° C., so it is not suitable for use in coating, and the ETFE solution obtained from this solvent is solidified around room temperature. It is described that fluidity is lost (see Patent Document 4).
- the present invention has been made in view of the above circumstances, and can be used for the production of a thin film by coating, etc., and can be produced at a relatively low temperature, and contains a fluorine-containing copolymer containing a repeating unit based on ethylene and TFE. It is an object of the present invention to provide a polymer composition and a method for producing the fluorine-containing copolymer composition at a relatively low temperature.
- the present invention provides a fluorine-containing copolymer composition having the following constitution and a method for producing the same.
- a fluorine-containing copolymer containing a repeating unit based on ethylene and a repeating unit based on tetrafluoroethylene, and 1% by mass of the fluorine-containing copolymer alone at a temperature below the melting point of the fluorine-containing copolymer A fluorine-containing copolymer composition having a temperature range showing a uniform solution state at a temperature equal to or lower than the melting point of the fluorine-containing copolymer.
- R solubility index
- the medium mixture is selected from each of a nonpolar medium having an index (S) of less than 6 based on a Hansen solubility parameter represented by the following formula (2) and a polar medium having the index (S) of 6 or more.
- S ( ⁇ p 2 + ⁇ h 2 ) 1/2 (2)
- ⁇ p and ⁇ h represent a polar term and a hydrogen bond term in the Hansen solubility parameter, respectively, and the unit is (MPa) 1/2 .
- the nonpolar medium may have a halogen atom and / or an etheric oxygen atom, an aliphatic hydrocarbon having 1 to 20 carbon atoms, and a carbon atom having 6 to 20 carbon atoms that may have a halogen atom.
- the polar medium may have a halogen atom and / or an etheric oxygen atom and may have 1 to 20 carbon atoms (the aliphatic hydrocarbon is a hydroxyl group, a carboxyl group, a cyclic ester, a cyclic At least one selected from the group consisting of carbonate, cyano group, nitro group, amide group, amino group, urea group, sulfide group, sulfoxide group, sulfone group, sulfonic acid group, sulfonate group, and phosphate group A polar group.) And an aromatic hydrocarbon having 4 to 20 carbon atoms which may have a halogen atom (the aromatic hydrocarbon is a hydroxyl group, a carboxyl group, an ester group, a ketone group, an ether group, a cyano group, Group, nitro group, amide group, amino group, sulfide group, sulfoxide group, sulfone group,
- the nonpolar medium includes aliphatic hydrocarbons, aliphatic hydrochlorocarbons, aliphatic hydrofluorocarbons, aliphatic hydrochlorofluorocarbons, aliphatic hydrofluoroethers, aromatic hydrocarbons, and aromatics.
- the polar medium is an aliphatic alcohol, a fluorinated aliphatic alcohol, an aliphatic carboxylic acid, an aliphatic lactone, an aliphatic cyclic carbonate, an aliphatic nitrile, a nitroalkane, an aliphatic amide, Aliphatic amines, aliphatic urea compounds, aliphatic sulfides, aliphatic sulfoxides, aliphatic sulfones, aliphatic sulfonic acids, aliphatic sulfonic acid esters, aliphatic sultone, aliphatic phosphoric acid esters, Phenols, aromatic carboxylic acids, aromatic esters, aromatic ketones, aromatic ethers, aromatic nitriles, aromatic nitro compounds, aromatic amides, aromatic amines, aromatic sulfides, aromatic Selected from the group consisting of aromatic sulfoxides, aromatic sulfones, aromatic sulfides
- the present invention it is possible to produce a fluorine-containing copolymer composition containing repeating units based on ethylene and TFE at a relatively low temperature. Moreover, if the fluorine-containing copolymer composition containing a repeating unit based on ethylene and TFE of the present invention is used, various molded products such as thin films, films and tubes can be molded.
- [Fluorine-containing copolymer composition] A fluorine-containing copolymer containing a repeating unit based on ethylene and a repeating unit based on tetrafluoroethylene, and a concentration of 1% by mass or more of the fluorine-containing copolymer alone at a temperature below the melting point of the fluorine-containing copolymer And a medium mixture having a solubility index (R) for the fluorinated copolymer of less than 25 based on the Hansen solubility parameter represented by the above formula (1).
- the fluorine-containing copolymer composition of the present invention (hereinafter referred to as “composition”) having a temperature range showing a uniform solution state at a temperature below the melting point of the fluorine-containing copolymer. ).
- the “solution” in which the fluorine-containing copolymer is dissolved in the medium mixture is a mixture of the fluorine-containing copolymer and the medium mixture within a certain temperature range below the melting point of the fluorine-containing copolymer.
- the composition in this state is referred to as a solution in which the fluorinated copolymer is dissolved in the medium mixture.
- the “dissolution temperature” is a lower limit temperature in a temperature range in which the composition of the present invention exhibits a solution state, and means a temperature measured by the following method. That is, the fluorine-containing copolymer is added to the medium mixture, and the mixture is heated and heated while always maintaining a sufficiently mixed state with a stirring means or the like, and it is visually observed whether or not the fluorine-containing copolymer is dissolved. First, the temperature at which the mixture is found to be completely dissolved as a transparent and uniform solution is confirmed. Next, the temperature at which the solution becomes turbid is confirmed by gradually cooling, and the temperature at which the solution is reheated to obtain a transparent and uniform solution is defined as the dissolution temperature.
- the fluorine-containing copolymer in the fluorine-containing copolymer composition of the present invention includes a fluorine-containing copolymer containing a repeating unit based on ethylene and a repeating unit based on tetrafluoroethylene. If so, there are no other restrictions. Specific examples of such a fluorinated copolymer include ETFE having a repeating unit based on ethylene and a repeating unit based on tetrafluoroethylene as main repeating units in the copolymer.
- ETFE may include a repeating unit based on a comonomer other than TFE and ethylene as a constituent unit of the copolymer. It is used as a general term for fluorine-containing copolymers having repeating units.
- the molar ratio of the repeating unit based on TFE / the repeating unit based on ethylene is preferably 70/30 to 30/70, more preferably 65/35 to 40/60, and most preferably 60/40 to 40 / 60 are listed.
- repeating units based on other monomers may be included.
- olefins having 4 carbon atoms olefins such as 4-methyl-1-pentene, cyclohexene, styrene, ⁇ -methylstyrene (excluding ethylene); vinyl acetate, vinyl lactate, vinyl butyrate, vinyl pivalate , Vinyl esters such as vinyl benzoate; allyl esters such as allyl acetate; methyl vinyl ester Vinyl ethers such as ter, ethyl vinyl ether, butyl vinyl ether, isobutyl vinyl ether, tert-butyl vinyl ether, cyclohexyl vinyl ether, 2-hydroxyethyl vinyl ether, 4-hydroxybutyl vinyl ether, polyoxyethylene vinyl ether, 2-aminoethyl vinyl ether, glycidyl vinyl ether; Methyl) methacrylate, ethyl (meth) acrylate, n-butyl (meth) acrylate, isobutyl
- the ETFE contains a repeating unit based on another monomer in addition to the repeating unit based on TFE and ethylene
- the content is preferably 50 moles relative to the repeating unit based on all monomers of ETFE. % Or less, more preferably 0.1 to 30 mol%, most preferably 0.1 to 20 mol%.
- a copolymer obtained by copolymerizing ethylene, TFE, and other optional monomers may be used.
- the polymerization method include solution polymerization, suspension polymerization, emulsion polymerization, bulk polymerization and the like.
- fluorine-containing copolymer in the present invention those obtained as commercial items can also be used.
- a commercially available product of such a fluorine-containing copolymer for example, as for ETFE, Asahi Glass Co., Ltd .: Fluon (registered trademark) ETFE Series, Fluon (registered trademark) LM Series, Daikin Industries, Ltd .: Neoflon (registered trademark), Examples include commercially available products such as Dyneon: Dyneon (registered trademark) ETFE, DuPont: Tefzel (registered trademark).
- the melting point of the fluorine-containing copolymer in the composition of the present invention is not particularly limited, but is preferably 130 to 275 ° C., more preferably 140 to 265 ° C., and most preferably from the viewpoint of solubility, strength, and the like. 150 to 260 ° C.
- the fluorine-containing copolymer composition of the present invention can contain one of these fluorine-containing copolymers alone or in combination of two or more.
- the content of the fluorinated copolymer in the fluorinated copolymer composition of the present invention is not particularly limited.
- the content is preferably 0.1 to 80% by mass relative to the total amount of the composition from the viewpoint of moldability when obtaining a molded product.
- the content of the fluorine-containing copolymer in the composition is preferably 0.1 to 30% by mass with respect to the total amount of the composition, 0.5 to 10% by mass is more preferable, and 1 to 5% by mass is most preferable.
- the content is within this range, it is excellent in handleability during coating in the production of a thin film, and a homogeneous thin film made of a fluorinated copolymer can be obtained.
- the fluorocopolymer porous material is obtained from the tube of the fluorocopolymer composition of the present invention without using a support material at the time of molding, the inclusion of the fluorocopolymer in the composition
- the amount is preferably 5 to 80% by mass, more preferably 10 to 60% by mass, based on the total amount of the composition.
- the composition having the content in this range is excellent in moldability to a molded product such as a film and a hollow fiber.
- a porous copolymer porous body having a narrow pore size distribution and high strength can be obtained.
- the fluorine-containing copolymer composition of the present invention contains the following medium mixture together with the fluorine-containing copolymer.
- the medium mixture in the composition of the present invention is a medium composed of at least two kinds selected from a medium that alone does not dissolve the fluorine-containing copolymer at a concentration of 1% by mass or more at a temperature lower than the melting point of the fluorine-containing copolymer.
- the medium constituting the medium mixture used in the present invention alone cannot dissolve the fluorine-containing copolymer at a concentration of 1% by mass or more at a temperature not higher than the melting point of the fluorine-containing copolymer.
- the medium mixture is a combination of two or more of these, the fluorine-containing copolymer is contained at a concentration of 1% by mass or more, and a uniform solution state is obtained at a temperature below the melting point of the fluorine-containing copolymer. It is a medium that can constitute a fluorine-containing copolymer composition having the temperature range shown.
- the medium mixture used in the present invention has a solubility index (R) with respect to the fluorinated copolymer based on the Hansen solubility parameter represented by the following formula (1) of less than 25, and the fluorinated copolymer is less than its melting point. It is a medium mixture that meets the above conditions of being uniformly dissolved in a certain temperature range.
- R 4 ⁇ ( ⁇ d ⁇ 15.7) 2 + ( ⁇ p ⁇ 5.7) 2 + ( ⁇ h ⁇ 4.3) 2 (1)
- ⁇ d, ⁇ p, and ⁇ h represent a dispersion term, a polar term, and a hydrogen bond term in the Hansen solubility parameter, respectively, and the unit is (MPa) 1/2 .
- the above formula (1) indicating the solubility index (R) for the fluorinated copolymer is expressed based on the Hansen solubility parameter (Hansen solubility parameter).
- the medium was formulated by the following method, and the above conditions were considered to be satisfied if the solubility index (R) had a polarity in a specific range of less than 25.
- the Hansen solubility parameter is a three-dimensional space where the solubility parameter introduced by Hildebrand is divided into three components: a dispersion term ⁇ d, a polar term ⁇ p, and a hydrogen bond term ⁇ h. .
- the dispersion term ⁇ d indicates the effect due to the dispersion force
- the polar term ⁇ p indicates the effect due to the dipole force
- the hydrogen bond term ⁇ h indicates the effect due to the hydrogen bond force.
- Hansen solubility parameter The definition and calculation of the Hansen solubility parameter is described in CharlesCM. Hansen, Hansen Solubility Parameters: A Users Handbook (CRC Press, 2007).
- HSPiP Hansen Solubility Parameters in Practice
- the medium to be used is selected by using the value for the medium registered in the database using the HSPiP version 3 and the estimated value for the medium not registered.
- the Hansen solubility parameter for a particular polymer can be determined by conducting a test to measure the solubility of a sample of that polymer in a number of different media in which the Hansen solubility parameter is established. Specifically, among the media used in the solubility test, a sphere in which all three-dimensional points of the medium in which the polymer is dissolved is included inside the sphere, and the points of the medium that does not dissolve are outside the sphere. (Solubility sphere) is found and the center coordinate of the sphere is used as the Hansen solubility parameter of the polymer.
- the point indicated by the coordinates is the point of the polymer. If encapsulated inside the solubility sphere, the medium is believed to dissolve the polymer. On the other hand, if the coordinate point is outside the solubility sphere of the polymer, it is considered that this medium cannot dissolve the polymer.
- diisopropyl ketone is used as an optimum medium capable of dissolving the ETFE, which is a fluorine-containing copolymer contained in the fluorine-containing copolymer composition, at a temperature below its melting point.
- the coordinates (15.7, 5.7, and 4.3), which are Hansen solubility parameters, were selected as a reference.
- a medium mixture group that is at a certain distance from the coordinates of the reference, that is, R represented by the above formula (1) is less than 25 can be used as a medium mixture that dissolves the fluorine-containing copolymer. It was. That is, R, which is a value based on the Hansen solubility parameter represented by the above formula (1), was used as a solubility index for the fluorine-containing copolymer.
- the medium mixture used in the present invention has a solubility index (R) calculated by the above formula (1) using Hansen solubility parameter coordinates ( ⁇ d, ⁇ p, and ⁇ h) of the medium mixture of less than 25. Preferably it is less than 16, more preferably less than 9.
- R solubility index
- a mixed medium having a Hansen solubility parameter in which R represented by the above formula (1) falls within this range has high affinity with the fluorine-containing copolymer and high solubility.
- the medium mixture used in the present invention is a mixture of two or more kinds of media.
- the average Hansen solubility parameter is calculated according to the mixing ratio (volume ratio) of the medium used, and the solubility index (R) is calculated using this as the Hansen solubility parameter of the medium mixture.
- the R value calculated based on the Hansen solubility parameter by the above equation (1) can be used as the ETFE solubility index.
- the medium mixture used in the present invention is preferably liquid at room temperature since it can be used practically as long as the fluorine-containing copolymer is liquid at a temperature at which it dissolves in the medium mixture.
- the melting point of the medium mixture is preferably 230 ° C. or lower.
- the melting point of the medium mixture exceeds 230 ° C., it is difficult to form a solution at the dissolution temperature even if the mixture with the fluorinated copolymer is heated and heated.
- the melting point of the medium mixture is preferably 50 ° C. or lower, more preferably 20 ° C. or lower. When the melting point is in this range, the handleability when the fluorine-containing copolymer is dissolved is excellent.
- the boiling point of the medium mixture in the composition of the present invention is preferably the same as or higher than the temperature of the step in which the medium mixture dissolves the fluorinated copolymer.
- a medium mixture whose boiling point of the medium mixture is equal to or lower than the temperature of the dissolving step is also applicable.
- “Naturally generated pressure” refers to the pressure that the mixture of the medium mixture and the fluorinated copolymer naturally exhibits in a closed container.
- the medium mixture in the composition of the present invention does not necessarily need to be compatible with the fluorine-containing copolymer at a temperature lower than the temperature at which the fluorine-containing copolymer is dissolved in the medium mixture. It may be separated. Even such a medium mixture is used as a medium mixture constituting the composition of the present invention by being heated and compatible with the fluorine-containing copolymer at a certain temperature or higher to be in a one-phase state. Is a necessary condition.
- the composition of the present invention becomes a transparent and uniform solution when the fluorine-containing copolymer and the medium mixture are heated to a predetermined temperature in a closed container.
- the predetermined temperature is a temperature that is practically easy to carry out, that is, a temperature not higher than the melting point of the fluorine-containing copolymer, preferably a temperature lower by 30 ° C. or more than the melting point of the fluorine-containing copolymer, more preferably not less than 35 ° C.
- the temperature is low.
- the possibility of dissolution depends on the solubility index (R) and temperature of the medium mixture determined by the type and mixing ratio of the nonpolar medium and / or polar medium used, and the compatibility at a certain temperature or higher, and is related to the pressure.
- the pressure at that time is not particularly limited.
- the boiling point of the medium mixture used is preferably room temperature or higher, more preferably 50 ° C. or higher, and most preferably 80 ° C. or higher.
- the upper limit of the boiling point of the medium mixture is not particularly limited, but when used for coating, particularly from the viewpoint of handleability and medium mixture removability when isolating the fluorinated copolymer composition. 230 degreeC is preferable and 180 degreeC is more preferable.
- the medium mixture used in the present invention is composed of at least two kinds of mediums that do not dissolve the fluorine-containing copolymer at a concentration of 1% by mass or more at a temperature below the melting point of the fluorine-containing copolymer.
- a nonpolar medium having an index (S) based on a Hansen solubility parameter represented by the following formula (2) of less than 6 and a polar medium having an index (S) of 6 or more.
- S ( ⁇ p 2 + ⁇ h 2 ) 1/2 (2)
- ⁇ p and ⁇ h represent a polar term and a hydrogen bond term in the Hansen solubility parameter, respectively, and the unit is (MPa) 1/2 .
- the medium mixture used in the present invention is obtained by appropriately combining two or more selected from the nonpolar medium and the polar medium so that the solubility index (R) calculated by the above formula (1) is less than 25. It is done.
- the dissolution index (R) of a medium mixture obtained by mixing a plurality of media is obtained as an average Hansen solubility parameter of each medium according to the mixing ratio (volume ratio) of the medium used for producing the medium mixture. Is easily calculated.
- the medium combination is not particularly limited as long as the dissolution index (R) of the obtained mixed medium is less than 25. Even if it is a combination of one or more selected from each of the nonpolar medium and the polar medium, or a combination of two or more selected from only the nonpolar medium, two or more selected from only the polar medium (Hereinafter, these combinations may be collectively referred to as “two or more selected from a nonpolar medium and / or a polar medium”). Further, the number of media to be combined is not particularly limited as long as the dissolution index (R) of the obtained mixed media is less than 25.
- Nonpolar medium Among the components that can constitute the medium mixture, the nonpolar medium will be described below.
- the nonpolar medium in the present invention alone is a medium that does not dissolve the fluorine-containing copolymer at a concentration of 1% by mass or more at a temperature below the melting point of the fluorine-containing copolymer, and is represented by the above formula (2).
- the index (S) based on the Hansen solubility parameter is less than 6.
- the nonpolar medium alone does not dissolve the fluorine-containing copolymer at a concentration of 1% by mass or more at a temperature below the melting point of the fluorine-containing copolymer.
- the solubility index (R) shown in the above formula (1) becomes an appropriate polarity of less than 25, and the above At a temperature below the melting point of the fluorinated copolymer, the fluorinated copolymer is dissolved to form a composition.
- the nonpolar medium is preferably a liquid at room temperature because it can be used practically as long as the fluorine-containing copolymer is liquid at a temperature at which it dissolves in a medium mixture obtained by using the non-polar medium.
- the melting point of the nonpolar medium is preferably 230 ° C. or lower.
- the melting point of the nonpolar medium exceeds 230 ° C., even if the mixture of the fluorinated copolymer and the medium mixture is heated and heated, it is difficult to form a solution at the dissolution temperature.
- the melting point of the nonpolar medium is preferably 50 ° C. or lower, more preferably 20 ° C. or lower. When the melting point is in this range, the handleability when the fluorine-containing copolymer is dissolved is excellent.
- the boiling point of the nonpolar medium in the composition of the present invention is preferably the same as or higher than the temperature of the step in which the nonpolar medium dissolves the fluorinated copolymer.
- the boiling point of the medium mixture of two or more media selected from a nonpolar medium and / or a polar medium is dissolved.
- Nonpolar media and polar media below this temperature are also applicable.
- the fluorine-containing copolymer and the medium mixture are heated to a predetermined temperature in a sealed container, so that the temperature is practically easy to execute, that is, the melting point of the fluorine-containing copolymer or less.
- the temperature is practically easy to execute, that is, the melting point of the fluorine-containing copolymer or less.
- it becomes a transparent and uniform solution at a temperature 30 ° C. or more lower than the melting point of the fluorine-containing copolymer.
- dissolution index R
- the pressure at that time is not particularly limited.
- the boiling point of the non-polar medium to be used is preferably room temperature or higher from the viewpoint of safety and convenience, and is 50 ° C. The above is more preferable, and 80 ° C. or more is most preferable.
- the upper limit of the boiling point of the nonpolar medium is not particularly limited, but when used for coating, 230 ° C. is preferable from the viewpoint of easiness of drying.
- the nonpolar medium used in the present invention is not particularly limited as long as it satisfies the above conditions. Specifically, an aliphatic hydrocarbon having 1 to 20 carbon atoms which may have a halogen atom and / or an etheric oxygen atom; an aromatic hydrocarbon having 6 to 20 carbon atoms which may have a halogen atom, etc. Is mentioned.
- the molecular structure is not particularly limited.
- the carbon skeleton may be linear, branched or cyclic, and may have an etheric oxygen atom between carbon-carbon bonds constituting the main chain or side chain, and bonded to a carbon atom.
- a part of hydrogen atoms to be substituted may be substituted with a halogen atom such as a fluorine atom.
- aliphatic hydrocarbon having 1 to 20 carbon atoms which may have a halogen atom and / or an etheric oxygen atom include aliphatic hydrocarbons such as chain hydrocarbons and cyclic hydrocarbons. ; Aliphatic hydrofluorocarbons such as chain hydrofluorocarbons and cyclic hydrofluorocarbons; aliphatic hydrochlorocarbons such as chain hydrochlorocarbons and cyclic hydrochlorocarbons; chain hydrochlorofluorocarbons and cyclic hydrochloro Aliphatic hydrochlorofluorocarbons such as fluorocarbons; aliphatic hydrofluoroethers such as chain hydrofluoroethers and cyclic hydrofluoroethers.
- nonpolar media specific examples of the aromatic hydrocarbon having 6 to 20 carbon atoms which may have a halogen atom include aromatic hydrocarbons and aromatic hydrochlorocarbons. These nonpolar media may be used individually by 1 type, and may use 2 or more types together.
- chain hydrocarbons examples include n-pentane, n-hexane, n-heptane, n-octane, 2,2,4-trimethylpentane, n-nonane, n-decane, n-undecane, n-dodecane, Examples thereof include n-tridecane and n-tetradecane.
- cyclic hydrocarbons examples include cyclopentane, methylcyclopentane, cyclohexane, methylcyclohexane, 1,2-dimethylcyclohexane, 1,3-dimethylcyclohexane, 1,4-dimethylcyclohexane, 1,3,5-trimethylcyclohexane, 1,2,4-trimethylcyclohexane, ethylcyclohexane, n-propylcyclohexane, isopropylcyclohexane, n-butylcyclohexane, isobutylcyclohexane, t-butylcyclohexane, n-pentylcyclohexane, n-hexylcyclohexane, cycloheptane, cyclooctane, cis -Decahydronaphthalene, trans-decahydronaphthalene and the like.
- chain hydrochlorocarbons examples include 1-chloroheptane, 1-chlorooctane, 1-chlorononane, 1-chlorodecane and the like.
- cyclic hydrochlorocarbons examples include chlorocyclopentane and chlorocyclohexane.
- chain hydrofluorocarbons examples include HFC-338pcc (1H, 4H-perfluorobutane), HFC-365mfc (1,1,1,3,3-pentafluorobutane), HFC-43-10mee (1,1, 1,2,2,3,4,5,5,5-decafluoropentane), 1H-perfluorohexane, HFC-76-13sf (1,1,1,2,2,3,3,4,4, 5,5,6,6-tridecafluorooctane) and the like.
- cyclic hydrofluorocarbons examples include fluorocyclopentane and fluorocyclohexane.
- chain hydrochlorofluorocarbons examples include HCFC-225ca (3,3-dichloro-1,1,1,2,2-pentafluoropropane), HCFC-225cb (1,3-dichloro-1,1,2, 2,3-pentafluoropropane) and the like.
- chain hydrofluoroethers examples include 1,1,2,2-tetrafluoroethyl ethyl ether and HFE-347pcf2 (1,1,2,2-tetrafluoroethyl 2,2,2-trifluoroethyl ether).
- aromatic hydrocarbon examples include benzene, toluene, o-xylene, m-xylene, p-xylene, ethylbenzene, 1,2,4-trimethylbenzene, 1,3,5-trimethylbenzene, tetralin, 1-methyl And naphthalene.
- aromatic hydrochlorocarbons include chlorobenzene and 1-chloronaphthalene.
- nonpolar media the following compounds can be exemplified as more preferable compounds as the nonpolar media in the composition of the present invention.
- chain hydrocarbons examples include n-hexane, n-heptane, n-octane, n-nonane, n-decane, n-undecane, and n-dodecane.
- the cyclic hydrocarbons include cyclohexane, methylcyclohexane, 1,2-dimethylcyclohexane, 1,3-dimethylcyclohexane, 1,4-dimethylcyclohexane, 1,3,5-trimethylcyclohexane, 1,2,4-trimethyl.
- Cyclohexane, ethylcyclohexane, n-propylcyclohexane, isopropylcyclohexane, n-butylcyclohexane, isobutylcyclohexane, t-butylcyclohexane, n-pentylcyclohexane, n-hexylcyclohexane, cycloheptane, cyclooctane, cis-decahydronaphthalene, trans- Decahydronaphthalene and the like can be mentioned.
- chain hydrofluorocarbons examples include HFC-43-10mee, 1H-perfluorohexane, and HFC-76-13sf.
- chain hydrochlorofluorocarbons examples include HCFC-225ca and HCFC-225cb.
- chain hydrofluoroethers examples include HFE-347pcf2, HFE-449s1, HFE-569sf2, 1,1,2,3,3,3-hexafluoropropyl ethyl ether, 1,1,2,2-tetrafluoro.
- Ethyl 1,1,2,2-tetrafluoropropyl ether, 2,2,3,3,3-pentafluoropropyl 1,1,2,2-tetrafluoroethyl ether, 1,1,3,3,3- Examples include pentafluoro-2- (trifluoromethyl) propyl methyl ether, 4- (difluoromethoxy) -1,1,1,2,3,3-hexafluorobutane, HFE-7300, and the like.
- aromatic hydrocarbons examples include toluene, o-xylene, m-xylene, p-xylene, ethylbenzene, 1,2,4-trimethylbenzene, 1,3,5-trimethylbenzene, and tetralin.
- aromatic hydrochlorocarbons examples include chlorobenzene.
- nonpolar medium in the composition of the present invention more preferred compounds include n-heptane, n-octane, n-decane, cyclohexane, methylcyclohexane, 1,2-dimethylcyclohexane, HFC-43-10mee, Examples include 1H-perfluorohexane, HFC-76-13sf, HCFC-225ca, HCFC-225cb, HFE-347pcf2, HFE-449s1, HFE-7300, toluene, o-xylene, tetralin, chlorobenzene and the like.
- the polar medium in the present invention alone is a medium that does not dissolve the fluorine-containing copolymer at a concentration of 1% by mass or more at a temperature below the melting point of the fluorine-containing copolymer, and is represented by the above formula (2).
- the medium has an index (S) of 6 or more based on the Hansen solubility parameter.
- the polar medium alone does not dissolve the fluorine-containing copolymer at a concentration of 1% by mass or more at a temperature lower than the melting point of the fluorine-containing copolymer.
- the solubility index (R) shown in the above formula (1) becomes an appropriate polarity of less than 25, and the fluorine-containing medium
- the fluorine-containing copolymer can be dissolved to form a composition at a temperature below the melting point of the copolymer.
- the polar medium is preferably liquid at room temperature because it can be used practically as long as it is liquid at a temperature at which the fluorine-containing copolymer is dissolved in a medium mixture obtained using the polar copolymer.
- the melting point of the polar medium is preferably 230 ° C. or lower.
- the melting point of the polar medium exceeds 230 ° C., even if the mixture of the fluorinated copolymer and the medium mixture is heated and heated, it is difficult to form a solution at the dissolution temperature.
- the melting point of the polar medium is preferably 50 ° C. or lower, more preferably 20 ° C. or lower. When the melting point is in this range, the handleability when the fluorine-containing copolymer is dissolved is excellent.
- the boiling point of the polar medium is preferably the same as or higher than the temperature at which the polar medium dissolves the fluorinated copolymer.
- the boiling point of the medium mixture of two or more media selected from a nonpolar medium and / or a polar medium is dissolved.
- Nonpolar media and polar media below this temperature are also applicable.
- the upper limit of the boiling point of the polar medium is not particularly limited, but when used for coating, 230 ° C. is preferable from the viewpoint of easiness of drying.
- the polar medium used in the present invention is not particularly limited as long as it satisfies the above conditions. Specifically, hydroxyl group, carboxyl group, cyclic ester, cyclic carbonate, cyano group, nitro group, amide group, amino group, urea group, sulfide group, sulfoxide group, sulfone group, sulfonic acid group, sulfonic acid ester group, and An aliphatic hydrocarbon having 1 to 20 carbon atoms which contains at least one polar group selected from the group consisting of phosphate ester groups and may have a halogen atom and / or an etheric oxygen atom; a hydroxyl group, a carboxyl group At least one selected from the group consisting of a group, an ester group, a ketone group, an ether group, a cyano group, a nitro group, an amide group, an amino group, a sulfide group, a sulfoxide group,
- the molecular structure is not particularly limited.
- the carbon skeleton may be linear, branched or cyclic, and may have an etheric oxygen atom between carbon-carbon bonds constituting the main chain or side chain, and bonded to a carbon atom.
- a part of hydrogen atoms to be substituted may be substituted with a halogen atom such as a fluorine atom.
- the carbon number in the said polar medium says the carbon number of the whole compound also combined with the carbon number contained in a polar group.
- polar media hydroxyl group, carboxyl group, cyclic ester, cyclic carbonate, cyano group, nitro group, amide group, amino group, urea group, sulfide group, sulfoxide group, sulfone group, sulfonic acid group, sulfonic acid ester group, and a specific example of an aliphatic hydrocarbon having 1 to 20 carbon atoms, which contains at least one polar group selected from the group consisting of phosphate ester groups and may have a halogen atom and / or an etheric oxygen atom
- aliphatic alcohols fluorine-containing aliphatic alcohols, aliphatic carboxylic acids, aliphatic lactones, aliphatic cyclic carbonates, aliphatic nitriles, nitroalkanes, aliphatic amides, aliphatic amines, Aliphatic urea compounds, aliphatic sulfides, aliphatic
- aromatic hydrocarbon having 4 to 20 carbon atoms which contains at least one polar group selected from the group consisting of and may have a halogen atom include phenols, aromatic carboxylic acids, aromatics Esters, aromatic ketones, aromatic ethers, aromatic nitriles, aromatic nitro compounds, aromatic amides, aromatic amines, aromatic sulfides, aromatic sulfoxides, aromatic sulfones, aromatic Aromatic sulfonic acids, aromatic sulfonic acid esters and the like. These may be used alone or in combination of two or more.
- aliphatic alcohols examples include methanol, ethanol, 1-propanol, 2-propanol, 1-butanol, isobutyl alcohol, 2-butanol, t-butyl alcohol, 1-pentanol, isoamyl alcohol, 2-methyl-1- Butanol, 2-pentanol, 3-methyl-2-butanol, 2-methyl-2-butanol, 2,2-dimethyl-1-propanol, 1-hexanol, 2-hexanol, 2-ethyl-1-butanol, 1 -Heptanol, 2-heptanol, 3-heptanol, 4-heptanol, 2,4-dimethyl-3-pentanol, 1-octanol, 2-octanol, 2-ethyl-1-hexanol, 1-nonanol, 1-decanol, 1-undecanol, 1-dodecanol, ethylene Coal, propylene glycol, 1,
- fluorinated aliphatic alcohols examples include 2,2,2-trifluoroethanol, 2,2,3,3-tetrafluoro-1-propanol (TFPO), 2,2,3,3,3-pentafluoro. -1-propanol, 1,1,1,3,3,3-hexafluoro-2-propanol, 2,2,3,3,4,4,4-heptafluoro-1-butanol, 2,2,3 , 4,4,4-hexafluoro-1-butanol, 2,2,3,3,4,4,5,5-octafluoro-1-pentanol, 2,2-bis (trifluoromethyl) -1 -Propanol, 3,3,4,4,5,5,6,6,6-nonafluoro-1-hexanol, 2,3,3,3-tetrafluoro-2- (perfluoropropyloxy) -1-propanol, 4, 4, 5, 5, 6, 6, , 7,7-Nonafluoro-1-heptanol, 7,7,8,
- aliphatic carboxylic acids examples include formic acid, acetic acid, propionic acid, butyric acid, isobutyric acid, valeric acid, isovaleric acid, hexanoic acid, heptanoic acid, n-octanoic acid, chloroacetic acid, trichloroacetic acid, trifluoroacetic acid, lactic acid, etc. Is mentioned.
- Examples of the aliphatic lactones include ⁇ -propiolactone, ⁇ -butyrolactone, and ⁇ -caprolactone.
- cyclic carbonates examples include ethylene carbonate and propylene carbonate.
- Examples of the aliphatic nitriles include acetonitrile and propionitrile.
- nitroalkanes examples include nitromethane, nitroethane, 1-nitropropane and 2-nitropropane.
- aliphatic amides examples include formamide, N-methylformamide, acetamide, N, N-dimethylformamide, N-ethylformamide, N-methylacetamide, propionamide, N, N-dimethylacetamide, N-ethylacetamide, N -Methylpropionamide, butyramide, N, N-dimethylpropionamide, N, N-diethylformamide, N-ethylpropionamide, N-methylbutyramide, Nn-butylformamide, N-isobutylformamide, N-sec- Butyramide, Nt-butylformamide, N, N-dimethylbutyramide, N, N-diethylacetamide, hexaneamide, N, N-dibutylformamide, 2-pyrrolidone, 1-methyl-2-pyrrolidone, 1-ethyl- 2- Pyrrolidone, 1-n-butyl-2-pyrrolidone, 2-
- Examples of the aliphatic amines include ethylamine, n-propylamine, isopropylamine, n-butylamine, isobutylamine, t-butylamine, n-pentylamine, n-hexylamine, cyclohexylamine, n-heptylamine, and n-octyl.
- Examples include amine, 2-ethylhexylamine, n-nonylamine, n-undecylamine, pyrrolidine, N-methylpyrrolidine, piperidine, N-methylpiperidine, morpholine, N-methylmorpholine, N-ethylmorpholine and the like.
- Examples of the aliphatic urea compounds include tetramethylurea and 1,3-dimethyl-2-imidazolidinone.
- Examples of the aliphatic sulfides include tetramethylene sulfide and pentamethylene sulfide.
- Examples of the aliphatic sulfoxides include dimethyl sulfoxide, diethyl sulfoxide, di-n-propyl sulfoxide, diisopropyl sulfoxide, di-n-butyl sulfoxide, diisobutyl sulfoxide, tetramethylene sulfoxide and the like.
- Examples of the aliphatic sulfones include dimethyl sulfone and sulfolane.
- Examples of the aliphatic sulfonic acids include methanesulfonic acid.
- Examples of the aliphatic sulfonic acid esters include methyl methanesulfonate.
- Examples of the aliphatic sultone include 1,3-propane sultone and 1,4-butane sultone.
- Examples of the aliphatic phosphate esters include trimethyl phosphate and triethyl phosphate.
- phenols examples include phenol, o-cresol, m-cresol, p-cresol, 2,3-dimethylphenol, 2,4-dimethylphenol, 2,5-dimethylphenol, 2,6-dimethylphenol, 3, 4-dimethylphenol, 3,5-dimethylphenol, 2-ethylphenol, 3-ethylphenol, 4-ethylphenol, 2,3,5-trimethylphenol, 2,3,6-trimethylphenol, 2,4,6 -Trimethylphenol and the like.
- aromatic carboxylic acids examples include benzoic acid.
- aromatic esters include methyl benzoate and ethyl benzoate.
- aromatic ketones include acetophenone and propiophenone.
- aromatic ethers include anisole, 2-methoxytoluene, 3-methoxytoluene, 4-methoxytoluene and the like.
- aromatic nitriles include benzonitrile, 2-methylbenzonitrile, 3-methylbenzonitrile, 4-methylbenzonitrile, 2-ethylbenzonitrile, 3-ethylbenzonitrile, 4-ethylbenzonitrile, 2-methoxy. Examples include benzonitrile, 3-methoxybenzonitrile, 4-methoxybenzonitrile and the like.
- Aromabenzene etc. are mentioned as said aromatic nitro compound.
- aromatic amines include pyridine, 2-picoline, 3-picoline, 4-picoline, aniline, 2,3-lutidine, 2,4-lutidine, 2,5-lutidine, 2,6-lutidine, 3, Examples include 4-lutidine, 3,5-lutidine, 2-ethylpyridine, 3-ethylpyridine, 4-ethylpyridine, o-toluidine, m-toluidine, p-toluidine, benzylamine and the like.
- Examples of the aromatic amides include N, N-dimethylbenzoic acid amide.
- Examples of the aromatic sulfides include thiophene and methylphenyl sulfide.
- Examples of the aromatic sulfoxides include methylphenyl sulfoxide.
- Examples of the aromatic sulfones include methyl phenyl sulfone.
- Examples of the aromatic sulfonic acids include benzenesulfonic acid.
- Examples of the aromatic sulfonic acid esters include methyl benzene sulfonate.
- the following compounds can be exemplified as the more preferable compounds as the polar media in the composition of the present invention.
- Examples of the aliphatic alcohols include methanol, ethanol, 1-propanol, 2-propanol, 1-butanol, 2-butanol, 1-pentanol, isoamyl alcohol, 1-hexanol, 1-heptanol, 1-octanol, 2- Ethyl-1-hexanol, 1-nonanol, ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, ethylene glycol mono-n-butyl ether, ethylene glycol mono-n-hexyl ether, propylene glycol monomethyl ether, propylene glycol monoethyl ether, propylene Examples include glycol mono-n-butyl ether, diethylene glycol monomethyl ether, and ethylene glycol.
- fluorinated aliphatic alcohols examples include 2,2,3,3-tetrafluoro-1-propanol, 1,1,1,3,3,3-hexafluoro-2-propanol, 2,2,3, Examples include 3,4,4,4-heptafluoro-1-butanol, 3,3,4,4,5,5,6,6,6-nonafluoro-1-hexanol, and the like.
- Examples of the aliphatic carboxylic acids include acetic acid, propionic acid, butyric acid, isobutyric acid, valeric acid, and isovaleric acid.
- Examples of the aliphatic lactones include ⁇ -propiolactone, ⁇ -butyrolactone, and ⁇ -caprolactone.
- Examples of the cyclic carbonates include ethylene carbonate and propylene carbonate.
- Examples of the aliphatic nitriles include acetonitrile and propionitrile.
- Examples of the aliphatic amides include N, N-dimethylformamide, N, N-dimethylacetamide, 1-methyl-2-pyrrolidone and the like.
- Examples of the aliphatic amines include cyclohexylamine.
- Examples of the aliphatic urea compounds include 1,3-dimethyl-2-imidazolidinone.
- Examples of the aliphatic sulfoxide include dimethyl sulfoxide.
- Examples of the aliphatic sulfones include dimethyl sulfone and sulfolane.
- Examples of the aromatic esters include methyl benzoate.
- Examples of the aromatic ketones include acetophenone. Anisole etc. are mentioned as said aromatic ethers.
- Examples of the aromatic nitriles include benzonitrile, 2-methylbenzonitrile, 3-methylbenzonitrile, 4-methylbenzonitrile and the like.
- polar medium in the composition of the present invention more preferable compounds include methanol, 1-propanol, isoamyl alcohol, propylene glycol monomethyl ether, ethylene glycol, 2,2,3,3-tetrafluoro-1-propanol.
- the fluorine-containing copolymer composition of the present invention includes a fluorine-containing copolymer containing a repeating unit based on ethylene and a repeating unit based on tetrafluoroethylene, and the fluorine-containing copolymer.
- the above fluorine-containing copolymer is composed of at least two kinds selected from a medium that does not dissolve alone at a concentration of 1% by mass or more at a temperature below the melting point of the polymer, and is based on the Hansen solubility parameter represented by the above formula (1). And a medium mixture having a solubility index (R) of less than 25 with respect to the fluorinated copolymer.
- the medium mixture in the fluorine-containing copolymer composition of the present invention has a function as a solvent for dissolving the fluorine-containing copolymer.
- the “dissolution” of the fluorine-containing copolymer by the medium mixture includes at least dissolution at a temperature not higher than the melting point of the fluorine-containing copolymer to be dissolved. That is, the fluorine-containing copolymer composition of the present invention has a temperature range in which the composition exhibits a solution state at least at a temperature not higher than the melting point of the above-mentioned fluorine-containing copolymer.
- the fluorine-containing copolymer composition of the present invention may be kept in a solution state in a certain temperature range below the melting point of the fluorine-containing copolymer and does not necessarily need to be in a solution state at room temperature.
- the melting temperature which is the minimum temperature of the temperature range which shows the solution state of the fluorine-containing copolymer composition of this invention is 230 degrees C or less, and it is more preferable that it is 200 degrees C or less.
- the melting temperature of the fluorine-containing copolymer composition exceeds 230 ° C., there may be a problem that cannot be easily solved in practice.
- the vapor pressure of the solution is preferably at least within the range of the spontaneously generated pressure or less, and more preferably within the range of 3 MPa or less. 2 MPa or less is more preferable, and 1 MPa or less is particularly preferable. If the vapor pressure of the solution of the fluorine-containing copolymer composition of the present invention is in this range, it is actually possible to work easily.
- a medium mixture having the dissolution index (R) of less than 25 is used as a solvent for dissolving the fluorinated copolymer.
- a medium mixture composed of a combination of two or more selected from the nonpolar medium and / or the polar medium is used.
- the composition of the present invention may contain the above-mentioned fluorine-containing copolymer as an optional component in addition to the above-mentioned medium mixture as long as the function as a solvent for dissolving the above-mentioned fluorine-containing copolymer is not impaired.
- soluble medium an organic medium that dissolves the fluorine-containing copolymer alone at a temperature lower than the melting point, for example, one or more selected from ketones having a carbonyl group, esters, and the like. May be.
- the content of the medium mixture or the mixed solvent of the medium mixture and the soluble medium as an optional component is not particularly limited.
- the content is 20 to 99.9% by mass, preferably 40 to 99.5% by mass, based on the total amount of the composition, from the viewpoint of moldability when obtaining a molded product.
- the content of the medium mixture in the composition is 70 to 99.9% by mass with respect to the total amount of the composition.
- 90 to 99.5% by mass is more preferable, and 95 to 99% is most preferable.
- the content is within this range, it is excellent in handleability during coating in the production of a thin film, and a homogeneous thin film made of a fluorinated copolymer can be obtained.
- the content of the medium mixture in is preferably 20 to 95% by mass, more preferably 40 to 90% by mass, based on the total amount of the composition.
- the content is within this range, a fluorine-containing copolymer porous body having excellent moldability to a film and hollow fibers, a narrow pore size distribution, and a high strength can be obtained.
- the composition contains a mixed solvent containing a soluble medium as an optional component, the content of the mixed solvent is in the same range as described above.
- the fluorine-containing copolymer composition of the present invention contains the above-mentioned medium mixture as an essential component and the above-mentioned soluble medium as an optional component. However, if necessary, the effects of the present invention are impaired by other components. It can contain in the range which is not. As other components, for example, various additives such as antioxidants, UV stabilizers, crosslinking agents, lubricants, plasticizers, thickeners, fillers (fillers), reinforcing agents, pigments, dyes, flame retardants, antistatic agents, etc. Agents. Moreover, as content of these arbitrary components contained in the range which does not impair the effect of this invention, content of 30 mass% or less with respect to the composition whole quantity, Preferably it is 25 mass% or less.
- a fluorine-containing copolymer containing a repeating unit based on ethylene and a repeating unit based on tetrafluoroethylene is heated to a temperature below the melting point of the fluorine-containing copolymer. And a step of dissolving in the medium mixture.
- the temperature at which the fluorine-containing copolymer is dissolved in the medium mixture is more preferably 30 ° C. or lower than the melting point of the fluorine-containing copolymer to be used.
- the fluorine-containing copolymer composition contains the soluble medium in addition to the medium mixture
- the fluorine-containing copolymer is mixed with the fluorine-containing copolymer in a mixed solvent of these media. It is carried out by dissolving at a temperature below the melting point of the copolymer.
- the melting point of the fluorine-containing copolymer in the present invention is the highest and is approximately 275 ° C., it is dissolved in the above-mentioned medium mixture or mixed solvent (hereinafter collectively referred to as “solvent such as medium mixture”).
- the temperature of the process is preferably a temperature of 245 ° C. or lower, which is 30 ° C. lower than 275 ° C.
- the temperature at which the fluorine-containing copolymer is dissolved in a solvent such as the medium mixture is more preferably 230 ° C. or less, and particularly preferably 200 ° C. or less.
- 0 degreeC is preferable and 20 degreeC is more preferable.
- the temperature of the melting step is less than 0 ° C., a sufficiently dissolved state may not be obtained.
- the temperature exceeds 245 ° C. problems that cannot be easily solved in practice may occur.
- conditions other than temperature are not particularly limited, and it is usually preferable to carry out under normal pressure.
- the boiling point is lower than the temperature of the dissolving step depending on the type of solvent such as the fluorinated copolymer or the medium mixture, at least the pressure that is spontaneously generated, preferably 3 MPa or less, more preferably 2 MPa or less, A method of dissolving under a condition of preferably 1 MPa or less, most preferably under a normal pressure or less is mentioned.
- dissolution can be performed under conditions of about 0.01 to 1 MPa.
- the dissolution time depends on the content of the fluorine-containing copolymer in the composition of the present invention, the shape of the fluorine-containing copolymer, and the like. From the viewpoint of work efficiency, 5 minutes to 24 hours are preferable, 10 minutes to 8 hours are more preferable, and 10 minutes to 5 hours are most preferable.
- the shape of the fluorine-containing copolymer to be used is preferably a powder from the viewpoint of work efficiency for shortening the dissolution time. Other shapes such as pellets can also be used because of their availability.
- the dissolution means in the dissolution step is not special and may be a general method.
- the necessary amount of each component to be blended in the composition is weighed, and these are at a temperature not higher than the melting point of the fluorine-containing copolymer to be used, preferably at a temperature of 0 to 230 ° C., more preferably at a temperature of 20 to 220 ° C. What is necessary is just to mix a component uniformly and to dissolve the said fluorine-containing copolymer in solvents, such as a medium mixture.
- a general stirring mixer such as a homomixer, Henschel mixer, Banbury mixer, pressure kneader, single-screw or twin-screw extruder.
- a general stirring mixer such as a homomixer, Henschel mixer, Banbury mixer, pressure kneader, single-screw or twin-screw extruder.
- an apparatus such as an autoclave with a stirrer is used, and the shape of the stirring blade is a marine propeller blade, paddle blade, anchor blade, turbine blade, or the like.
- the coating film of the fluorinated copolymer composition of the present invention is formed by applying the fluorinated copolymer composition of the present invention to a substrate, immersing the substrate in the fluorinated copolymer composition, etc. It is preferable to carry out by this method. Subsequently, the fluorine-containing copolymer thin film can be formed by removing a solvent such as a medium mixture from the coating film.
- the fluorine-containing copolymer composition is heated at a temperature equal to or higher than the melting temperature of the fluorine-containing copolymer in the composition.
- the coating method for the fluorine-containing copolymer composition is not special, and a generally used method can be used. Examples of such an application method include gravure coating, dip coating, die coating, electrostatic coating, brush coating, screen printing, roll coating, spin coating, and the like.
- the fluorine-containing copolymer composition is used at a temperature equal to or higher than the melting temperature of the fluorine-containing copolymer in the composition. It is a method including the process of apply
- the solvent such as the medium mixture is removed by heat drying or the like, so that the fine and flat fluorine-containing material is formed on the substrate.
- a thin film of a copolymer can be obtained.
- the preferred temperature of the composition in the step of applying the fluorinated copolymer composition varies depending on the medium mixture contained in the fluorinated copolymer composition, but is preferably 50 to 250 ° C, and preferably 80 to 200 ° C. More preferred. If the temperature is less than 50 ° C., the fluorine-containing copolymer is not sufficiently dissolved, and if it exceeds 250 ° C., the solvent such as a medium mixture contained is likely to volatilize, which is not preferable.
- the fluorine-containing copolymer composition is not more than the melting temperature of the fluorine-containing copolymer in the composition.
- a method including a step of heating to a temperature equal to or higher than the melting temperature of the fluorine-containing copolymer after being applied to the substrate at a temperature of a fluorine-containing copolymer thin film can be formed on the substrate by removing the solvent such as the medium mixture by heating and drying after the heating step.
- the temperature of the composition in the step of applying the fluorine-containing copolymer composition to the substrate may be low, there are few restrictions on the apparatus and the operability is excellent.
- the fluorine-containing copolymer composition used in this method may be a composition in which a powdery fluorine-containing copolymer is dispersed in a solvent such as a medium mixture, and the fluorine-containing copolymer is used as a solvent such as a medium mixture. It may be a composition in which the dispersibility is improved by cooling after dissolution. It is preferable to use a composition that is once dissolved and then cooled.
- the temperature of the composition when applying the fluorine-containing copolymer composition to the substrate is not particularly limited. From the viewpoint of operability, the temperature is preferably 0 to 150 ° C, more preferably 5 to 80 ° C.
- the heating temperature after coating is preferably 50 to 350 ° C, more preferably 80 to 250 ° C.
- the fluorine-containing copolymer is dissolved and homogenized in the coating film of the fluorine-containing copolymer composition, and further, the solvent such as the medium mixture is removed by heating and drying, etc.
- a dense and flat fluorine-containing copolymer thin film can be obtained on the material.
- the fluorine-containing copolymer in the fluorine-containing copolymer composition can be used as a medium mixture or the like. After dissolving in a solvent, this composition is applied to the substrate at a temperature below the melting temperature, and further the composition coating film on the substrate is dried at a temperature below the melting temperature of the fluorinated copolymer, and the medium.
- This method of removing solvents, such as a mixture, is mentioned.
- the temperature of the composition when the fluorine-containing copolymer composition is applied to the base material is set to a temperature range that does not exceed the decomposition or deformation temperature of the base material when the low heat-resistant material is used as the base material. Desirably, depending on the substrate, the temperature is preferably 0 to 150 ° C., more preferably 5 to 120 ° C.
- the drying temperature after coating is preferably 5 to 150 ° C, more preferably 5 to 120 ° C.
- the fluorine-containing copolymer composition of the present invention is a composition suitable for forming a thin film of a fluorine-containing copolymer on various substrates.
- the material and shape of the substrate on which the fluorine-containing copolymer thin film can be formed on the surface of the fluorine-containing copolymer composition of the present invention include base materials of various materials such as metal, glass, silicon, plastic, stone, wood, ceramics, cloth, and paper.
- the thin film of the fluorine-containing copolymer formed on the base material can be used as a base material with a thin film together with the base material, or separated from the base material and used as a single thin film depending on various applications.
- a fluorine-containing copolymer thin film is formed on a substrate using the fluorine-containing copolymer composition of the present invention and this is used as it is as a substrate with a thin film
- the adhesion of the thin film to the substrate may be pretreated for the purpose of improving the quality.
- a silane coupling agent or polyethyleneimine can be applied to the substrate, the substrate surface can be physically treated by sandblasting, or the substrate surface can be treated by corona discharge or the like.
- the fluorine-containing copolymer thin film formed on the base material can be used as a film-like molded body (hereinafter sometimes simply referred to as “film”) after being separated from the base material.
- film a film-like molded body
- a film of a fluorinated copolymer is produced using the fluorinated copolymer composition of the present invention, a film having a thin film thickness and a uniform thickness can be produced as compared with a film obtained by general melt molding.
- the film thickness of the fluorine-containing copolymer thin film formed on the substrate or the film-like molded body can be freely selected according to the purpose.
- a fluorine-containing copolymer composition a thin film having a large film thickness can be obtained by using a solution or dispersion having a high concentration of the fluorine-containing copolymer contained, and if a solution or dispersion having a low concentration is used, a film can be obtained.
- a thin film having a small thickness can be obtained.
- a thin film with a larger film thickness can be obtained by repeating the coating process a plurality of times.
- the thickness of the thin film thus obtained is preferably 0.01 ⁇ m to 1000.0 ⁇ m, more preferably 0.1 ⁇ m to 100.0 ⁇ m, and most preferably 0.5 ⁇ m to 50.0 ⁇ m.
- the fluorine-containing copolymer in the fluorine-containing copolymer composition of the present invention is designed to have crosslinkability, the composition is applied to a substrate and the solvent such as the medium mixture is removed, and then the fluorine-containing copolymer is obtained. It is also possible to form a thin film made of a cured product of a fluorinated copolymer by crosslinking and curing the copolymer. As a crosslinking method, a commonly used method or the like can be appropriately used.
- the fluorine-containing copolymer blended in the fluorine-containing copolymer composition contains a polymer unit based on a monomer having a crosslinking site in addition to a repeating unit based on ethylene and a repeating unit based on tetrafluoroethylene.
- a crosslinking agent that reacts with the crosslinking site is added to the composition, a coating film is formed, a solvent such as a medium mixture is removed, and then a crosslinking / curing reaction is performed.
- a fluorine-containing copolymer composition having a crosslinking site that undergoes a crosslinking reaction by light, radiation, or the like is used to prepare a fluorine-containing copolymer composition, and a coating film is formed. After removing the solvent such as the mixture, it is possible to form a thin film made of a cured product of the fluorinated copolymer by crosslinking and curing by irradiating light, radiation or the like to the mixture.
- the fluorine-containing copolymer composition of the present invention comprises an optical fiber cladding material, a lens, a mirror, a solar cell, an optical disk, a touch panel, a semiconductor element, a hybrid IC, a liquid crystal cell, a printed circuit board, and a photosensitive drum.
- Protective coating agents and water repellent coating agents in the optical and electrical fields such as film capacitors, glass windows and various films, medical and chemical fields such as syringes, pipettes, thermometers, beakers, petri dishes, graduated cylinders, and other solder masks , Solder resist, rubber, plastic protection, weather and antifouling coating, fiber and fabric protective coating, sealant antifouling coating, IC sealant, anticorrosion paint, resin adhesion inhibitor, ink adhesion prevention It can be applied to applications such as agents.
- the fluorine-containing copolymer composition of the present invention can be suitably used as a material for producing an interlayer insulating film or a protective film in a semiconductor element or an integrated circuit device. If the fluorine-containing copolymer composition of the present invention is used for such applications, a semiconductor that takes advantage of the properties of fluororesin such as low water absorption, low dielectric constant, and high heat resistance, and has a high response speed and few malfunctions. An element integrated circuit device can be obtained.
- a fluorine-containing copolymer, a nonpolar medium, a polar medium, and a stirrer were placed in a 50 mL pressure-resistant glass reaction vessel.
- the relative quantity ratio of the fluorine-containing copolymer to the total amount of the nonpolar medium and the polar medium was such that the fluorine-containing copolymer was 1 to 10% by mass.
- the reaction vessel was heated in an oil bath or heat block that was sealed, well stirred and temperature controlled.
- Example 1 In a pressure-resistant glass reaction vessel, as a fluorine-containing copolymer, ETFE (Asahi Glass Co., Ltd .: Fluon (registered trademark) LM-720AP, melting point: 225 ° C., melt index: 18.7 (297 ° C.), hereinafter “ETFE 1” 0.20 g, 9.40 g of n-heptane (nonpolar medium) and 9.50 g of N, N-dimethylformamide (polar medium) were added and heated to 160 ° C. with stirring. Became a clear solution. When the reaction vessel was gradually cooled, the solution became cloudy at 140 ° C.
- ETFE Adi Glass Co., Ltd .: Fluon (registered trademark) LM-720AP, melting point: 225 ° C., melt index: 18.7 (297 ° C.
- the obtained fluorine-containing copolymer composition is the composition of the present invention.
- Table 1 shows the amount of ETFE1, the nonpolar medium (n-heptane) and the polar medium (N, N-dimethylformamide) used, as well as the Hansen solubility of the nonpolar medium and the polar medium, and a mixture of these.
- the parameters ( ⁇ d, ⁇ p, and ⁇ h) and the dissolution index (R) calculated by the above equation (1) are shown.
- the column for describing the Hansen solubility parameter of the medium mixture indicates the volume ratio of the nonpolar medium and the polar medium.
- the concentration of the fluorine-containing copolymer described as “polymer concentration” in Table 1
- dissolution temperature are also shown in Table 1.
- Tables 1 to 4 show the amounts of ETFE1 used and the types and amounts of nonpolar media and polar media (Examples 2 to 10 are shown in Table 1, Examples 11 to 20 are shown in Table 2, and Examples 21 to 30 is shown in Table 3 and Examples 31 to 34 are shown in Table 4.) Except for changes as described above, a dissolution test was performed and a fluorinated copolymer composition was obtained in the same manner as in Example 1. It was. Tables 1 to 4 show the measurement results of the Hansen solubility parameter, the solubility index (R), the concentration of the fluorinated copolymer, and the dissolution temperature of the nonpolar medium, the polar medium, and the medium mixture obtained by mixing these.
- R solubility index
- nonpolar media (1) when two types of nonpolar media and / or polar media are used, these media are designated as nonpolar media (1), nonpolar media (2), polar media (3), and polar media (4).
- Tables 1 to 4 the type and value of the nonpolar medium (1) in the upper part of the nonpolar medium (1) (2) column and the type and numerical value of the nonpolar medium (2) in the lower part are shown in the polar medium (3) (4) column.
- the type and numerical value of the polar medium (3) are shown in the upper row and the polar medium (4) is shown in the lower row.
- the nonpolar medium (1) and the polar medium (3) were used, respectively.
- any of (1) to (4) of the nonpolar medium / polar medium is not used. In this case, the description of the medium is omitted instead of “0”.
- the volume ratio is (1) / (3) / (4) Described.
- the fluorine-containing copolymer used is 2.80 g of ETFE (Asahi Glass Co., Ltd .: Fluon (registered trademark) Z-8820X, melting point: 260 ° C., melt index: 10 (297 ° C.), hereinafter referred to as “ETFE2”).
- ETFE2 Fluon (registered trademark) Z-8820X, melting point: 260 ° C., melt index: 10 (297 ° C.), hereinafter referred to as “ETFE2”).
- ETFE2 Fluon (registered trademark) Z-8820X, melting point: 260 ° C., melt index: 10 (297 ° C.), hereinafter referred to as “ETFE2”).
- ETFE2 Fluon (registered trademark) Z-8820X, melting point: 260 ° C., melt index: 10 (297 ° C.)
- Table 4 shows the Hansen solubility parameters and the solubility index (R) of the nonpolar medium, the polar medium, and the medium mixture obtained by mixing these together with the amount of ETFE2, the nonpolar medium, and the polar medium used. Furthermore, the measurement results of the concentration of the fluorine-containing copolymer and the dissolution temperature are also shown in Table 4.
- Example 36 Except that the amount of ETFE2 used and the nonpolar medium, the type and amount of polar medium were changed as shown in Table 4, a dissolution test was conducted and a fluorine-containing copolymer composition was prepared in the same manner as in Example 35. Obtained.
- Table 4 shows the measurement results of the Hansen solubility parameter, the solubility index (R), the concentration of the fluorine-containing copolymer, and the dissolution temperature of the nonpolar medium, the polar medium, and the medium mixture obtained by mixing these.
- fluorine-containing alcohols 1 to 3 represent the following fluorine-containing alcohols.
- Fluorinated alcohol 1 2,2,3,3-tetrafluoro-1-propanol
- Fluorinated alcohol 2 3,3,4,4,5,5,6,6,6-nonafluoro-1-hexanol
- Fluorine-containing alcohol 3 2,2,3,3,4,4,4-heptafluoro-1-butanol.
- HCFC-225ca / cb indicates a mixture in which HCFC-225ca and HCFC-225cb are mixed at a ratio of 45:55 (mass ratio).
- This suspension was applied to a 7 cm square glass plate at room temperature, dried for 5 minutes, and then heated on a hot plate heated to 150 ° C. for 10 minutes to evaporate the solvent. Thereafter, the hot plate was turned off and cooled to obtain a base material on which a ETFE3 thin film was formed.
- the ETFE3 thin film was a molded product having a homogeneous and dense structure.
- the film thickness was 2 ⁇ m as measured using Digimatic Indicator ID-C112 (Mitutoyo).
- Digimatic Indicator ID-C112 Mitsubishi Indicator ID-C112 (Mitutoyo).
- the contact angle of water and normal hexadecane was measured on the surface of the obtained ETFE3 thin film using an automatic contact angle meter DM500 (manufactured by Kyowa Interface Science Co., Ltd.), it was 105.3 degrees and 52.4 degrees, respectively.
- the ETFE3 thin film was found to be excellent in water repellency and oil repellency.
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Abstract
Description
また、特許文献4に記載の溶媒は、沸点が220~290℃と非常に高いことから、コーティングに用いるのには適しておらず、この溶媒から得られるETFEの溶液は室温付近では凝固して流動性がなくなることが記載されている(特許文献4を参照)。
前記媒体混合物における、下記式(1)で示されるハンセン溶解度パラメータに基づく前記含フッ素共重合体に対する溶解指標(R)が25未満であることを特徴とする含フッ素共重合体組成物。
R=4×(δd-15.7)2+(δp-5.7)2+(δh-4.3)2 …(1)
(式(1)中、δd、δpおよびδhは、ハンセン溶解度パラメータにおける、分散項、極性項および水素結合項をそれぞれ示し、単位はいずれも(MPa)1/2である。)
S=(δp2+δh2)1/2 …(2)
(式(2)中、δpおよびδhは、ハンセン溶解度パラメータにおける、極性項および水素結合項をそれぞれ示し、単位はいずれも(MPa)1/2である。)
[6]前記含フッ素共重合体組成物の溶液状態を示す温度範囲の下限温度である溶解温度が、230℃以下である上記[1]~[5]のいずれかに記載の含フッ素共重合体組成物。
[11]前記温度が、含フッ素共重合体の融点より30℃以上低い温度である上記[10]に記載の含フッ素共重合体組成物の製造方法。
エチレンに基づく繰り返し単位とテトラフルオロエチレンに基づく繰り返し単位を含有する含フッ素共重合体と、前記含フッ素共重合体の融点以下の温度では前記含フッ素共重合体を単独で1質量%以上の濃度で溶解しない媒体から選ばれる少なくとも2種からなる媒体混合物であって、上記式(1)で示されるハンセン溶解度パラメータに基づく前記含フッ素共重合体に対する溶解指標(R)が25未満である媒体混合物とを含有し、前記含フッ素共重合体の融点以下の温度に均一な溶液状態を示す温度範囲を有する本発明の含フッ素共重合体組成物(以下、「組成物」と称することがある。)について説明する。
本発明の含フッ素共重合体組成物における含フッ素共重合体としては、エチレンに基づく繰り返し単位と、テトラフルオロエチレンに基づく繰り返し単位とを含有する含フッ素共重合体であれば、他に特に制限はない。このような含フッ素共重合体の具体例としては、エチレンに基づく繰返し単位とテトラフルオロエチレンに基づく繰返し単位とを共重合体中の主な繰返し単位とするETFE等が挙げられる。ここで、本明細書において「ETFE」の用語は、TFEおよびエチレン以外の共単量体に基づく繰返し単位を共重合体の構成単位として含んでもよい、TFEおよびエチレンを共重合体中の主な繰返し単位とする含フッ素共重合体の総称として用いるものである。
本発明の含フッ素共重合体組成物は、上記含フッ素共重合体とともに以下の媒体混合物を含有する。
本発明の組成物における媒体混合物は、単独では上記含フッ素共重合体の融点以下の温度では上記含フッ素共重合体を1質量%以上の濃度で溶解しない媒体から選ばれる少なくとも2種からなる媒体混合物であって、以下に説明する式(1)で示されるハンセン溶解度パラメータに基づく上記含フッ素共重合体に対する溶解指標(R)が25未満である媒体混合物である。
R=4×(δd-15.7)2+(δp-5.7)2+(δh-4.3)2 …(1)
(式(1)中、δd、δpおよびδhは、ハンセン溶解度パラメータにおける、分散項、極性項および水素結合項をそれぞれ示し、単位はいずれも(MPa)1/2である。)
溶解の可否は、使用する非極性媒体および/または極性媒体の種類と混合比によって定まる媒体混合物の溶解指標(R)と温度、および上記一定温度以上での相溶性に依存し、圧力には関係しない。したがって、該媒体混合物と含フッ素共重合体の混合物が、所定温度に到達すれば、その際の圧力は、特に制限はない。
より低沸点の非極性媒体および/または極性媒体からなる媒体混合物を使用する場合には、自然発生圧力が大きくなる。そのため、安全性、および利便性の観点から、用いる媒体混合物の沸点は、室温以上が好ましく、50℃以上がより好ましく、80℃以上が最も好ましい。
また、上記媒体混合物の沸点の上限値は、特に制限されないが、コーティング用として用いる場合には、特に取扱い性および含フッ素共重合体組成物を単離する際の媒体混合物除去性の観点から、230℃が好ましく、180℃がより好ましい。
S=(δp2+δh2)1/2 …(2)
(式(2)中、δpおよびδhは、ハンセン溶解度パラメータにおける、極性項および水素結合項をそれぞれ示し、単位はいずれも(MPa)1/2である。)
上記媒体混合物を構成しうる成分のうち、非極性媒体について以下に説明する。
本発明における非極性媒体は、単独では上記含フッ素共重合体の融点以下の温度で上記含フッ素共重合体を1質量%以上の濃度で溶解しない媒体であって、上記式(2)で示されるハンセン溶解度パラメータに基づく指標(S)が6未満である媒体である。
これら非極性媒体は、1種を単独で用いてもよく、2種以上を併用してもよい。
上記環状ヒドロクロロカーボン類としては、クロロシクロペンタン、クロロシクロヘキサン等が挙げられる。
上記芳香族ヒドロクロロカーボン類としては、クロロベンゼン、1-クロロナフタレン等が挙げられる。
上記環状ヒドロカーボン類としては、シクロヘキサン、メチルシクロヘキサン、1,2-ジメチルシクロヘキサン、1,3-ジメチルシクロヘキサン、1,4-ジメチルシクロヘキサン、1,3,5-トリメチルシクロヘキサン、1,2,4-トリメチルシクロヘキサン、エチルシクロヘキサン、n-プロピルシクロヘキサン、イソプロピルシクロヘキサン、n-ブチルシクロヘキサン、イソブチルシクロヘキサン、t-ブチルシクロヘキサン、n-ペンチルシクロヘキサン、n-ヘキシルシクロヘキサン、シクロヘプタン、シクロオクタン、cis-デカヒドロナフタレン、trans-デカヒドロナフタレン等が挙げられる。
上記鎖状ヒドロクロロフルオロカーボン類としては、HCFC-225ca、HCFC-225cb等が挙げられる。
上記芳香族ヒドロクロロカーボン類としては、クロロベンゼン等が挙げられる。
上記媒体混合物を構成しうる成分のうち、極性媒体について以下に説明する。
本発明における極性媒体は、単独では上記含フッ素共重合体の融点以下の温度で上記含フッ素共重合体を1質量%以上の濃度で溶解しない媒体であって、上記式(2)で示されるハンセン溶解度パラメータに基づく指標(S)が6以上である媒体である。
これらは1種を単独で用いてもよく、2種以上を併用してもよい。
上記脂肪族スルフィド類としては、テトラメチレンスルフィド、ペンタメチレンスルフィド等が挙げられる。
上記脂肪族スルホキシド類としては、ジメチルスルホキシド、ジエチルスルホキシド、ジ-n-プロピルスルホキシド、ジイソプロピルスルホキシド、ジ-n-ブチルスルホキシド、ジイソブチルスルホキシド、テトラメチレンスルホキシド等が挙げられる。
上記脂肪族スルホン酸類としては、メタンスルホン酸等が挙げられる。
上記脂肪族スルホン酸エステル類としては、メタンスルホン酸メチル等が挙げられる。
上記脂肪族スルトン類としては、1,3-プロパンスルトン、1,4-ブタンスルトン等が挙げられる。
上記脂肪族リン酸エステル類としては、リン酸トリメチル、リン酸トリエチル等が挙げられる。
上記芳香族エステル類としては、安息香酸メチル、安息香酸エチル等が挙げられる。
上記芳香族ケトン類としては、アセトフェノン、プロピオフェノン等が挙げられる。
上記芳香族エーテル類としては、アニソール、2-メトキシトルエン、3-メトキシトルエン、4-メトキシトルエン等が挙げられる。
上記芳香族ニトリル類としては、ベンゾニトリル、2-メチルベンゾニトリル、3-メチルベンゾニトリル、4-メチルベンゾニトリル、2-エチルベンゾニトリル、3-エチルベンゾニトリル、4-エチルベンゾニトリル、2-メトキシベンゾニトリル、3-メトキシベンゾニトリル、4-メトキシベンゾニトリル等が挙げられる。
上記芳香族アミン類としては、ピリジン、2-ピコリン、3-ピコリン、4-ピコリン、アニリン、2,3-ルチジン、2,4-ルチジン、2,5-ルチジン、2,6-ルチジン、3,4-ルチジン、3,5-ルチジン、2-エチルピリジン、3-エチルピリジン、4-エチルピリジン、o-トルイジン、m-トルイジン、p-トルイジン、ベンジルアミン等が挙げられる。
上記芳香族スルフィド類としては、チオフェン、メチルフェニルスルフィド等が挙げられる。
上記芳香族スルホキシド類としては、メチルフェニルスルホキシド等が挙げられる。
上記芳香族スルホン類としては、メチルフェニルスルホン等が挙げられる。
上記芳香族スルホン酸類としては、ベンゼンスルホン酸等が挙げられる。
上記芳香族スルホン酸エステル類としては、ベンゼンスルホン酸メチル等が挙げられる。
上記脂肪族ラクトン類としては、β-プロピオラクトン、γ-ブチロラクトン、ε-カプロラクトン等が挙げられる。
上記環状カーボネート類としては、エチレンカーボネート、プロピレンカーボネート等が挙げられる。
上記脂肪族ニトリル類としては、アセトニトリル、プロピオニトリル等が挙げられる。
上記脂肪族アミド類としては、N,N-ジメチルホルムアミド、N,N-ジメチルアセトアミド、1-メチル-2-ピロリドン等が挙げられる。
上記脂肪族尿素化合物類としては、1,3-ジメチル-2-イミダゾリジノン等が挙げられる。
上記脂肪族スルホキシドとしては、ジメチルスルホキシド等が挙げられる。
上記脂肪族スルホン類としては、ジメチルスルホン、スルホラン等が挙げられる。
上記芳香族エステル類としては、安息香酸メチル等が挙げられる。
上記芳香族ケトン類としては、アセトフェノン等が挙げられる。
上記芳香族エーテル類としては、アニソール等が挙げられる。
上記芳香族ニトリル類としては、ベンゾニトリル、2-メチルベンゾニトリル、3-メチルベンゾニトリル、4-メチルベンゾニトリル等が挙げられる。
本発明の含フッ素共重合体組成物は、上記エチレンに基づく繰り返し単位とテトラフルオロエチレンに基づく繰り返し単位を含有する含フッ素共重合体と、上記含フッ素共重合体の融点以下の温度では上記含フッ素共重合体を単独で1質量%以上の濃度で溶解しない媒体から選ばれる少なくとも2種からなり、上記式(1)で示されるハンセン溶解度パラメータに基づく上記含フッ素共重合体に対する溶解指標(R)が25未満である媒体混合物とを含有する。
また、本発明の組成物は、上記含フッ素共重合体を溶解する溶媒としての機能を損なわない限りにおいて、必須成分である上記媒体混合物の他に、任意成分として、上記含フッ素共重合体の融点以下の温度で上記含フッ素共重合体を単独で溶解する有機媒体(以下、「可溶性媒体」という)、例えば、カルボニル基を有するケトン類、エステル類等から選ばれる1種以上を更に含んでいてもよい。
その他の成分として、例えば、酸化防止剤、紫外線安定剤、架橋剤、滑剤、可塑剤、増粘剤、充填剤(フィラー)、強化剤、顔料、染料、難燃剤、帯電防止剤等の各種添加剤が挙げられる。また、本発明の効果を損なわない範囲で含有されるこれらの任意成分の含有量としては、組成物全量に対して30質量%以下の含有量、好ましくは25質量%以下である。
本発明の含フッ素共重合体組成物が含有する上記各種成分を用いて、本発明の含フッ素共重合体組成物を製造する方法について以下に説明する。
本発明の含フッ素共重合体組成物の塗膜の形成は、本発明の含フッ素共重合体組成物を基材へ塗布する、または、基材を含フッ素共重合体組成物に浸漬する等の方法により行なうことが好ましい。次いで、この塗膜から媒体混合物等の溶媒を除去することで、含フッ素共重合体の薄膜を形成できる。
含フッ素共重合体組成物を基材に塗布する際の組成物の温度は特に制限されない。操作性の観点から、0~150℃とすることが好ましく、5~80℃とすることがさらに好ましい。塗布後の加熱温度としては、50~350℃が好ましく、80~250℃がさらに好ましい。この温度範囲で加熱することで、含フッ素共重合体組成物塗膜中で含フッ素共重合体が溶解して均一化され、さらに加熱乾燥等によって媒体混合物等の溶媒を除去することにより、基材上に緻密で平坦な含フッ素共重合体の薄膜を得ることができる。
本発明の含フッ素共重合体組成物を用いて含フッ素共重合体のフィルムを製造すれば、一般的な溶融成形で得られるフィルムに比べて、膜厚が薄くかつ均一なフィルムを製造できる。
例えば、含フッ素共重合体組成物に配合する含フッ素共重合体として、エチレンに基づく繰り返し単位とテトラフルオロエチレンに基づく繰り返し単位に加えて、架橋部位をもつ単量体に基づく重合単位を含有するものを用い、さらに上記組成物に上記架橋部位に反応する架橋剤を添加し、塗膜を形成させ、媒体混合物等の溶媒を除去した後に、架橋・硬化反応を行わせる方法が挙げられる。また、含フッ素共重合体として、光や放射線等で架橋反応するような架橋部位を有する含フッ素共重合体を用いて、含フッ素共重合体組成物を作製し、塗膜を形成させ、媒体混合物等の溶媒を除去した後に、これに光や放射線等を照射することで、架橋し、硬化させて含フッ素共重合体の硬化物からなる薄膜を形成させることも可能である。
(溶解手順)
以下に示す実施例および比較例においては、特に記載がない限り、次の方法で溶解を行った。
耐圧ガラス製反応容器に、含フッ素共重合体として、ETFE(旭硝子社製:Fluon(登録商標)LM-720AP、融点:225℃、メルトインデックス:18.7(297℃)、以下、「ETFE1」という。)の0.20g、n-ヘプタン(非極性媒体)の9.40g、およびN,N-ジメチルホルムアミド(極性媒体)の9.50gを入れ、撹拌しながら160℃に加熱したところ、均一で透明な溶液となった。該反応容器を徐々に冷却したところ、140℃で溶液が白濁した。該反応容器を再度、加熱したところ、150℃で再び均一で透明な溶液となった。150℃をETFE1の濃度1質量%での溶解温度とした。得られた含フッ素共重合体組成物は、本発明の組成物である。
ETFE1の使用量と非極性媒体、極性媒体の種類および使用量を表1~4に示す(実施例2~10については表1に、実施例11~20については表2に、実施例21~30については表3に、実施例31~34については表4に示す。)通りに変更する以外は、実施例1と同様にして、溶解試験を実施するとともに含フッ素共重合体組成物を得た。用いた非極性媒体、極性媒体さらにこれらを混合した媒体混合物のハンセン溶解度パラメータ、溶解指標(R)、含フッ素共重合体の濃度、および溶解温度の測定結果を表1~4に併せて示す。
耐圧ガラス製反応容器に、含フッ素共重合体として、ETFE1の0.20g、および非極性媒体であるn-ヘプタンの19.8gを入れ、撹拌しながら200℃に加熱したが、全く溶解せず、溶液は得られなかった。
[比較例2]
耐圧ガラス製反応容器に、含フッ素共重合体として、ETFE1の0.20g、および極性媒体であるN,N-ジメチルホルムアミドの19.8gを入れ、撹拌しながら200℃に加熱したが、全く溶解せず、溶液は得られなかった。
[比較例3]
耐圧ガラス製反応容器に、含フッ素共重合体として、ETFE1の0.20g、およびアジピン酸ジイソブチルの19.8gを入れ、撹拌しながら200℃に加熱したが、膨潤したのみで溶液は得られなかった。
使用する含フッ素共重合体を、ETFE(旭硝子社製:Fluon(登録商標)Z-8820X、融点:260℃、メルトインデックス:10(297℃)、以下、「ETFE2」という。)の2.80gに、非極性媒体としてn-オクタンの14.0g、および極性媒体として、N,N-ジメチルホルムアミドの11.1gに変更する以外は、実施例1と同様にして、溶解試験を実施するとともに含フッ素共重合体組成物を得た。表4に、用いたETFE2、非極性媒体、および極性媒体の使用量とともに、非極性媒体、極性媒体、およびこれらを混合した媒体混合物のハンセン溶解度パラメータ、並びに溶解指標(R)を示す。さらに、含フッ素共重合体の濃度、および溶解温度の測定結果を表4に併せて示す。
ETFE2の使用量と非極性媒体、極性媒体の種類及び使用量を表4に示す通りに変更する以外は、実施例35と同様にして、溶解試験を実施するとともに含フッ素共重合体組成物を得た。用いた非極性媒体、極性媒体およびこれらを混合した媒体混合物のハンセン溶解度パラメータ、溶解指標(R)、含フッ素共重合体の濃度、並びに溶解温度の測定結果を表4に併せて示す。
含フッ素アルコール1:2,2,3,3-テトラフルオロ-1-プロパノール、
含フッ素アルコール2:3,3,4,4,5,5,6,6,6-ノナフルオロ-1-ヘキサノール、
含フッ素アルコール3:2,2,3,3,4,4,4-ヘプタフルオロ-1-ブタノール。
また、表3中、HCFC-225ca/cb(45/55)は、HCFC-225caとHCFC-225cbを45:55(質量比)の割合で混合した混合物を示す。
[応用例]
50mLの耐圧ガラス製反応容器に、含フッ素共重合体としてETFE(構成単量体およびモル比:テトラフルオロエチレン/エチレン/ヘキサフルオロプロピレン/3,3,4,4,5,5,6,6,6-ノナフルオロ-1-ヘキセン/無水イタコン酸=47.7/42.5/8.4/1.2/0.2、融点:188℃、以下、「ETFE3」という。)の0.30g、非極性媒体としてメチルシクロヘキサンの15.90g、および極性媒体としてプロピオニトリルの10.20gと1-プロパノールの3.00g(媒体混合物のR=0.0)を入れ、撹拌しながら140℃に加熱し、溶解を確認した。この溶液を含む反応容器をオイルバスから出して、攪拌を続けたところ、わずかに白濁した懸濁液を得た。この懸濁液を7cm角のガラス板に室温で塗布し、5分間乾燥した後、150℃に温めたホットプレート上で10分間加熱して、溶媒を蒸発させた。その後、ホットプレートの電源を切って冷却し、表面にETFE3の薄膜が形成された基材を得た。
なお、2010年4月16日に出願された日本特許出願2010-095262号の明細書、特許請求の範囲、及び要約書の全内容をここに引用し、本発明の明細書の開示として、取り入れるものである。
Claims (11)
- エチレンに基づく繰り返し単位とテトラフルオロエチレンに基づく繰り返し単位を含有する含フッ素共重合体と、前記含フッ素共重合体の融点以下の温度では前記含フッ素共重合体を単独で1質量%以上の濃度で溶解しない媒体から選ばれる少なくとも2種からなる媒体混合物とを含有し、前記含フッ素共重合体の融点以下の温度に均一な溶液状態を示す温度範囲を有する含フッ素共重合体組成物であって、
前記媒体混合物における、下記式(1)で示されるハンセン溶解度パラメータに基づく前記含フッ素共重合体に対する溶解指標(R)が25未満であることを特徴とする含フッ素共重合体組成物。
R=4×(δd-15.7)2+(δp-5.7)2+(δh-4.3)2 …(1)
(式(1)中、δd、δpおよびδhは、ハンセン溶解度パラメータにおける、分散項、極性項および水素結合項をそれぞれ示し、単位はいずれも(MPa)1/2である。) - 前記媒体混合物が、下記式(2)で示されるハンセン溶解度パラメータに基づく指標(S)が6未満である非極性媒体および前記指標(S)が6以上である極性媒体のそれぞれから選ばれる少なくとも1種の組合せ、前記非極性媒体から選ばれる少なくとも2種の組合せ、または、前記極性媒体から選ばれる少なくとも2種の組合せからなる請求項1に記載の含フッ素共重合体組成物。
S=(δp2+δh2)1/2 …(2)
(式(2)中、δpおよびδhは、ハンセン溶解度パラメータにおける、極性項および水素結合項をそれぞれ示し、単位はいずれも(MPa)1/2である。) - 前記非極性媒体が、ハロゲン原子および/またはエーテル性酸素原子を有してもよい炭素数1~20の脂肪族炭化水素、および、ハロゲン原子を有してもよい炭素数6~20の芳香族炭化水素からなる群から選ばれる少なくとも1種である請求項2に記載の含フッ素共重合体組成物。
- 前記極性媒体が、ハロゲン原子および/またはエーテル性酸素原子を有してもよい炭素数1~20の脂肪族炭化水素(該脂肪族炭化水素は、水酸基、カルボキシル基、環状エステル、環状カーボネート、シアノ基、ニトロ基、アミド基、アミノ基、尿素基、スルフィド基、スルホキシド基、スルホン基、スルホン酸基、スルホン酸エステル基、およびリン酸エステル基からなる群から選ばれる少なくとも1種の極性基を含有する。)、およびハロゲン原子を有してもよい炭素数4~20の芳香族炭化水素(該芳香族炭化水素は、水酸基、カルボキシル基、エステル基、ケトン基、エーテル基、シアノ基、ニトロ基、アミド基、アミノ基、スルフィド基、スルホキシド基、スルホン基、スルホン酸基、およびスルホン酸エステル基からなる群から選ばれる少なくとも1種の極性基を含有する。)からなる群から選ばれる少なくとも1種である請求項2または3に記載の含フッ素共重合体組成物。
- 前記媒体混合物の沸点が、50℃以上230℃以下である請求項1~4のいずれか1項に記載の含フッ素共重合体組成物。
- 前記含フッ素共重合体組成物の溶液状態を示す温度範囲の下限温度である溶解温度が、230℃以下である請求項1~5のいずれか1項に記載の含フッ素共重合体組成物。
- 前記非極性媒体が、脂肪族ヒドロカーボン類、脂肪族ヒドロクロロカーボン類、脂肪族ヒドロフルオロカーボン類、脂肪族ヒドロクロロフルオロカーボン類、脂肪族ヒドロフルオロエーテル類、芳香族ヒドロカーボン類、および芳香族ヒドロクロロカーボン類からなる群から選ばれる少なくとも1種である請求項2~6のいずれか1項に記載の含フッ素共重合体組成物。
- 前記極性媒体が、脂肪族アルコール類、含フッ素脂肪族アルコール類、脂肪族カルボン酸類、脂肪族ラクトン類、脂肪族環状カーボネート類、脂肪族ニトリル類、ニトロアルカン類、脂肪族アミド類、脂肪族アミン類、脂肪族尿素化合物類、脂肪族スルフィド類、脂肪族スルホキシド類、脂肪族スルホン類、脂肪族スルホン酸類、脂肪族スルホン酸エステル類、脂肪族スルトン類、脂肪族リン酸エステル類、フェノール類、芳香族カルボン酸類、芳香族エステル類、芳香族ケトン類、芳香族エーテル類、芳香族ニトリル類、芳香族ニトロ化合物類、芳香族アミド類、芳香族アミン類、芳香族スルフィド類、芳香族スルホキシド類、芳香族スルホン類、芳香族スルホン酸類、および芳香族スルホン酸エステル類からなる群から選ばれる少なくとも1種である請求項2~7のいずれか1項に記載の含フッ素共重合体組成物。
- 前記含フッ素共重合体組成物の溶液状態を示す温度範囲において、溶液の蒸気圧が少なくとも自然発生圧力以下の範囲内にある請求項1~8のいずれか1項に記載の含フッ素共重合体組成物。
- エチレンに基づく繰り返し単位とテトラフルオロエチレンに基づく繰り返し単位とを含有する含フッ素共重合体を、該含フッ素共重合体の融点以下の温度で前記媒体混合物に溶解する工程を有する請求項1~9のいずれか1項に記載の含フッ素共重合体組成物の製造方法。
- 前記温度が、含フッ素共重合体の融点より30℃以上低い温度である請求項10に記載の含フッ素共重合体組成物の製造方法。
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JP2014080473A (ja) * | 2012-10-15 | 2014-05-08 | Asahi Glass Co Ltd | 含フッ素エーテル組成物、該組成物から形成された表面層を有する基材およびその製造方法 |
JP2015517585A (ja) * | 2012-05-01 | 2015-06-22 | アクロン ポリマー システムズ,インコーポレイテッド | スチレン系フッ素重合体溶液から流延される光学フィルム |
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JP2016185129A (ja) * | 2015-03-27 | 2016-10-27 | 株式会社豊田中央研究所 | 生体適合性液体及びそのスクリーニング方法 |
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KR20130072188A (ko) * | 2010-04-16 | 2013-07-01 | 아사히 가라스 가부시키가이샤 | 함불소 공중합체 조성물의 제조 방법, 코팅용 조성물, 도막을 갖는 물품, 및 성형품 |
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- 2011-04-14 KR KR1020127024009A patent/KR20130058658A/ko not_active Application Discontinuation
- 2011-04-14 WO PCT/JP2011/059299 patent/WO2011129406A1/ja active Application Filing
- 2011-04-14 EP EP11768927.3A patent/EP2559729A4/en not_active Withdrawn
- 2011-04-14 CN CN201180018412.2A patent/CN102834449B/zh not_active Expired - Fee Related
- 2011-04-14 JP JP2012510690A patent/JPWO2011129406A1/ja not_active Withdrawn
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2015517585A (ja) * | 2012-05-01 | 2015-06-22 | アクロン ポリマー システムズ,インコーポレイテッド | スチレン系フッ素重合体溶液から流延される光学フィルム |
JP2014080473A (ja) * | 2012-10-15 | 2014-05-08 | Asahi Glass Co Ltd | 含フッ素エーテル組成物、該組成物から形成された表面層を有する基材およびその製造方法 |
WO2016076213A1 (ja) * | 2014-11-13 | 2016-05-19 | 住友化学株式会社 | インク組成物およびそれを用いて製造した光電変換素子 |
JPWO2016076213A1 (ja) * | 2014-11-13 | 2017-06-29 | 住友化学株式会社 | インク組成物およびそれを用いて製造した光電変換素子 |
JP2016185129A (ja) * | 2015-03-27 | 2016-10-27 | 株式会社豊田中央研究所 | 生体適合性液体及びそのスクリーニング方法 |
WO2017038664A1 (ja) * | 2015-08-31 | 2017-03-09 | 富士フイルム株式会社 | 組成物、硬化膜、硬化膜の製造方法、半導体デバイスの製造方法および半導体デバイス |
JPWO2017038664A1 (ja) * | 2015-08-31 | 2018-06-14 | 富士フイルム株式会社 | 組成物、硬化膜、硬化膜の製造方法、半導体デバイスの製造方法および半導体デバイス |
JP6460298B1 (ja) * | 2017-08-03 | 2019-01-30 | Dic株式会社 | 多孔体の製造方法 |
WO2019026446A1 (ja) * | 2017-08-03 | 2019-02-07 | Dic株式会社 | 多孔体の製造方法 |
Also Published As
Publication number | Publication date |
---|---|
EP2559729A1 (en) | 2013-02-20 |
US20130005879A1 (en) | 2013-01-03 |
KR20130058658A (ko) | 2013-06-04 |
EP2559729A4 (en) | 2015-03-25 |
CN102834449B (zh) | 2014-10-08 |
CN102834449A (zh) | 2012-12-19 |
TW201207018A (en) | 2012-02-16 |
JPWO2011129406A1 (ja) | 2013-07-18 |
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