WO2004085492A1 - 含フッ素共重合体の製造方法 - Google Patents
含フッ素共重合体の製造方法 Download PDFInfo
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- WO2004085492A1 WO2004085492A1 PCT/JP2004/003330 JP2004003330W WO2004085492A1 WO 2004085492 A1 WO2004085492 A1 WO 2004085492A1 JP 2004003330 W JP2004003330 W JP 2004003330W WO 2004085492 A1 WO2004085492 A1 WO 2004085492A1
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- WIPO (PCT)
- Prior art keywords
- fluorocopolymer
- fluorinated copolymer
- copolymer
- fluorine
- producing
- Prior art date
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Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- 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
-
- 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
- C08F6/00—Post-polymerisation treatments
- C08F6/14—Treatment of polymer emulsions
- C08F6/22—Coagulation
Definitions
- the present invention relates to a method for producing a fluorinated copolymer.
- the present invention relates to a method for producing a fluorinated copolymer.
- the present invention relates to a method for producing a fluorine-containing copolymer in which the concentration of a metal element serving as an impurity source is reduced.
- the present invention has a reduced metal element concentration as an impurity source, and is used as a transport roll, a sealing material, a hose, a tube, or the like in a liquid crystal-semiconductor manufacturing device field, or a polymer electrolyte of a lithium secondary battery in an electric field.
- the present invention relates to a fluorine-containing copolymer and a crosslinked (vulcanized) molded product thereof, which are suitable for use as a forming polymer matrix or the like.
- Fluorine-containing copolymers generally tend to be superior in chemical resistance, heat resistance, purity, etc. as compared to polyolefins and the like.
- transport rolls, sealing materials, hoses, tubes in the field of liquid crystal and semiconductor manufacturing equipment It is used as a molded article for applications such as a polymer matrix for forming a polymer electrolyte of a lithium secondary battery in the electric field.
- impurities such as metal elements contained in the above-mentioned molded article made of a fluorine-containing copolymer are called particles, which cause contamination of the wafer surface and lead to product defects, and remain. Removal of metal elements is also a major issue from the viewpoint of improving product yield.
- a fluorinated copolymer has been synthesized by an emulsion polymerization method using a fluorinated anion-based surfactant, and an aqueous dispersion of the fluorinated copolymer obtained by the emulsion polymerization method is prepared using one kind of sodium chloride or chloride.
- an aqueous solution in which a plurality of types of inorganic salting-out agents such as sodium, potassium alum, and magnesium chloride were dissolved, the contained fluorine-containing copolymer was aggregated and isolated.
- one of the drawbacks of this salting-out method is that the inorganic salting-out agent used during salting-out is contained and adsorbed in the fluorinated copolymer together with the aggregation of the fluorinated copolymer. It is difficult to completely remove the inorganic salting-out agent from the fluorinated copolymer even if washing is repeated by using a fluorinated copolymer having a high metal element content due to the inorganic salting-out agent used. There was a problem that coalescence could be obtained.
- a freeze coagulation method in which the fluorinated copolymer aqueous dispersion is subjected to coagulation by freezing.
- the fluorine-containing copolymer obtained by the above process contains an anionic surfactant and a pH adjuster used in the production of the copolymer, so that the fluorine-containing copolymer absorbs and contains the copolymer. It is disadvantageous and is not preferable from the viewpoint of productivity.
- the emulsion polymerization method is more advantageous from the viewpoint of the reactivity of the fluorine-containing monomer and the patch efficiency.
- the present invention is intended to solve the problems associated with the prior art as described above, and comprises an emulsion polymerization method, preferably an aqueous fluorocopolymer obtained by an emulsion polymerization method using no metal element-containing raw material. It is an object of the present invention to provide a method for producing a fluorinated copolymer, from which a high-purity fluorinated copolymer having a reduced metal element concentration can be obtained from a dispersion.
- the present invention provides a fluorine-containing copolymer obtained by the above-mentioned production method, which is formed by melt molding or vulcanization (crosslinking) and has a reduced metal element concentration.
- the method for producing a fluorinated copolymer according to the present invention is characterized in that, when producing a fluorinated copolymer by an emulsion polymerization method in the presence of a pH adjuster, ammonia water is used as the pH adjuster.
- the coagulation is performed by coagulating the fluorocopolymer in the aqueous fluorocopolymer dispersion obtained by the emulsion polymerization method to fractionate the fluorocopolymer. It is desirable to use a cationic surfactant and a water-soluble organic solvent as the agent.
- the above-mentioned cationic surfactant has a formula: ((R 4 N + ) XJ (R: an alkyl group having 1 to 22 carbon atoms, at least a part of hydrogen atoms in the alkyl group is substituted by fluorine)
- X is a fluoroalkyl group or a hydrogen atom, and the four Rs may be the same or different, provided that the four Rs are not hydrogen atoms at the same time
- the emulsion polymerization is performed in the presence of an anionic surfactant as an emulsifier. It is preferable to be performed.
- the fluorinated copolymer according to the present invention is obtained by the above production method, and is characterized in that the obtained fluorinated copolymer has a metal element concentration of 1 Ppm or less.
- the fluorinated copolymer melt-molded article according to the present invention is obtained by melt-molding the above fluorinated copolymer.
- a vulcanized molded article of the fluorinated copolymer according to the present invention is obtained by vulcanizing the above fluorinated copolymer.
- the concentration of the metal element is determined from an aqueous dispersion of the fluorine-containing copolymer obtained by an emulsion polymerization method, preferably an emulsion polymerization method using no metal element-containing raw material.
- a high-purity fluorinated copolymer having reduced content can be obtained by a simple method.
- a molded product obtained by melt-molding or vulcanizing (cross-linking) molding such a fluorine-containing copolymer has a reduced concentration of a metal element. It is suitable for use as a hose, a tube, or the like, or as a polymer matrix for forming a polymer electrolyte of a lithium secondary battery in the electric field.
- BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, a method for producing a fluorocopolymer according to the present invention will be specifically described.
- the fluorinated copolymer is produced by an emulsion polymerization method in the presence of aqueous ammonia as a pH adjuster, and in a preferred embodiment, the obtained fluorinated copolymer is obtained.
- the fluorinated copolymer is coagulated and separated from the aqueous copolymer dispersion using a coagulant.
- the coagulant includes a cationic surfactant
- An organic agent and a water-soluble organic solvent are used.
- the fluorinated copolymer is produced by an emulsion polymerization method.
- fluorinated vinyl monomers such as vinylidene fluoride and trifluoroethylene
- emulsifiers emulsifiers
- initiators preferably water, ion-exchanged water, and ammonia water as a pH adjuster.
- Chain transfer agents eg, methanol, ethanol, isopropanol
- a pH-adjusting agent is not used as a pH-adjusting agent without using a metal element-containing material (eg, sodium phosphate sodium dihydrate). Since a substance containing no metal element, preferably aqueous ammonia, is used, it is possible to efficiently obtain a fluorinated copolymer having a reduced content of any metal element by performing coagulation described below. There is.
- the aqueous ammonia is used in such an amount that the pH of the emulsion polymerization solution as a reaction solution is 5 to 8.
- anionic surfactants can be widely used, but are desirably used because of a large difference in zeta potential from a cationic surfactant which is one of the coagulants described below. Can be Thus, the reason that a wide range of anionic surfactants can be used as an emulsifier in the present invention is that coagulation itself can be achieved by using a cationic surfactant having the opposite zeta potential.
- anionic surfactants are particularly preferred.
- the initiator examples include peroxides (eg, inorganic peroxides such as ammonium peroxodisulfate, dialkyl peroxyside, etc.). Organic peroxide) ⁇ A redox water-soluble initiator is used. Also, do not use peroxides for the polymerization initiator that contain a metal element (eg, sodium peroxodisulfate, potassium peroxodisulfate, etc.). It is desirable from the viewpoint of obtaining a polymer.
- peroxides eg, inorganic peroxides such as ammonium peroxodisulfate, dialkyl peroxyside, etc.
- Organic peroxide) ⁇ A redox water-soluble initiator is used.
- do not use peroxides for the polymerization initiator that contain a metal element eg, sodium peroxodisulfate, potassium peroxodisulfate, etc. It is desirable from the viewpoint of obtaining a polymer.
- anionic surfactant used as an emulsifier in the emulsion polymerization one containing no metal element is preferable.
- ammonium perfluorooctanoate (NH 4 + [C 7 F 15 CO ⁇ -])
- ammonium perfluorononanoate (NH 4 + [C 8 F 17 COO—])
- ammonium perfluoroheptanoate (NH 4 + [C 6 F 13 COO—]).
- emulsifiers are used in an amount such that the concentration in the reaction solution containing each of the above components is usually 0.1 to 20.0% by weight.
- the concentration of the fluorinated copolymer (solid content) obtained by emulsion polymerization in a reactor such as an autoclave under the above conditions in the reaction solution (aqueous dispersion of the fluorinated copolymer) is not particularly limited. For example, it is about 5 to 40% by weight.
- the aqueous fluorocopolymer dispersion (reaction liquid) is treated with a coagulant to coagulate the fluorocopolymer.
- a coagulant to coagulate the fluorocopolymer.
- the thione surfactant is used.
- a coagulant containing water and a water-soluble organic solvent is preferably used.
- the cationic surfactant preferably does not contain a metal element.
- the cationic surfactant has a formula: “(R., N + ) ⁇ (A)
- R represents any one of an alkyl group having 1 to 22 carbon atoms (C), a fluoroalkyl group in which at least a part of hydrogen atoms in the alkyl group has been substituted with fluorine, and a hydrogen atom.
- the four Rs may be the same or different from each other, provided that the four Rs are not hydrogen atoms at the same time, and X represents a halogen atom or an acetyloxy group. Is mentioned.
- the metal-free cationic surfactant represented by the above formula (A) Specifically, the formula [I] in which X in the formula (A) is a halogen, particularly C 1 (a chlorine atom):
- RR 2 , R 3 and R 4 may be the same or different from each other, and R 1 represents an alkyl group, preferably a C 10 to 22 long-chain alkyl group. 4 represents a hydrogen atom or an alkyl group (preferably an alkyl group of C 1 to 22) The hydrogen atoms contained in R 1, R 2 , R 3 , and R 4 are part or all of them. May be substituted by fluorine.)
- X in the above formula (A) is an acetoxyl group (CH 3 C) —);
- R 2 , R 3 , and R 4 may be the same or different from each other, and R 1 represents an alkyl group, preferably a C 10 to 22 long-chain alkyl group; R 2 , R 3 , and R 4 each represent a hydrogen atom or an alkyl group (preferably an alkyl group of C 1 to 22) The hydrogen atom contained in RRR 3 or R 4 is a part thereof or All may be substituted by fluorine.
- a monoalkylamine acetate (monoalkylamine acetate) (monoalkylamine acetate) which may have a methyl group, such as monoalkylamine acetate, monoalkyldimethylamine acetate, etc.
- the alkyl group in these compounds [II] is the same as R 1. );
- Monoalkylamine (provided that the alkyl group is a C 1-22 alkyl group); and the like.
- At least one of the alkyl groups in each of the surfactants is a long-chain alkyl group having 10 or more carbon atoms, preferably 10 to 18 carbon atoms.
- these alkyl groups may be the same or different.
- examples of such a cationic surfactant include, for example, lauryltrimethylammonium chloride, dodecyltrimethylammonium chloride, stearyltrimethylammonium chloride, and distearyldimethylammonium chloride.
- a cationic surfactant include, for example, lauryltrimethylammonium chloride, dodecyltrimethylammonium chloride, stearyltrimethylammonium chloride, and distearyldimethylammonium chloride.
- X is a halogen atom, preferably C 1 or acetoxy.
- the group represented by the group (CH 3 COO—), particularly preferably X is C 1) is preferred because of easy availability. Or two or more types may be used in combination.
- a coagulant containing a metal compound such as a metal salt eg, calcium chloride, sodium chloride, potassium alum
- a metal compound such as a metal salt (eg, calcium chloride, sodium chloride, potassium alum)
- a freeze coagulation method etc.
- the content of the impurity metal in the fluorinated copolymer increases (see Comparative Examples 1 to 3 described later).
- water-soluble organic solvent examples include alcohols such as methanol, ethanol, and isopropanol (especially, C1-10 aliphatic alcohols); amides such as dimethylformamide and getylacetamide; Ketones such as;
- Ethylene glycol triethylene glycol / le, tetraethylene glycol, dipropylene glycol, 1,2-propanediol, 1,3-propanepandiol, 1,2-butanediol, 2,3- 1,4-butanediol
- Alkylene glycols such as 1,2-methylpentane-1,4-dione, 3-methylpentane-1,3,5-trione, 1,2,3-hexanetriol and glycerin;
- Polyalkylene glycolones such as polyethylene glycol and polypropylene dalicol
- Glyce Mouth such as Diglyce Mouth, Triglycer Mouth kind;
- Lower alkyl ethers of glycols such as ethylene glycol monomethyl ether ether, ethylene glycol alcohol monoethyl ether, diethylene glycol alcohol monomethynoether ether, diethylene glycol monoethyl alcohol ether, and ethylene glycol glycol monoethyl n-butyl ether;
- phenols such as methanol, ethanol, and isopropanol, preferably 1 to 10 carbon atoms (C) Aliphatic alcohols which are l to 5 and may be linear or branched are preferred.
- water-soluble organic solvents are used alone or in combination of two or more.
- a surfactant [I] represented by stearyltrimethylammonium chloride is used as the cationic surfactant contained in the coagulant, and the fat is used as a water-soluble organic solvent. It is preferable to use a combination of a group alcohol because the coagulation property is good and the cleaning property is good.
- the cationic surfactant is the same as the cationic surfactant In a coagulant containing a water-soluble organic solvent, the amount is usually 0.05 to 30.0% by weight, preferably 0.1 to: L 0.0% by weight. In this case, the surfactant is usually used in an amount of from 0.3 to 40 parts by weight, preferably from 0.5 to 100 parts by weight, based on 100 parts by weight of the water-soluble organic solvent.
- the amount of the cationic surfactant is less than the above range, the anionic surfactant contained in the aqueous fluorocopolymer dispersion cannot be sufficiently neutralized electrically, so that the fluorocopolymer is not sufficiently neutralized. Is difficult to coagulate and fluorinated copolymer If the above range is exceeded, re-emulsification of the fluorinated copolymer occurs during the coagulation operation, and the fluorinated copolymer is recovered by coagulation. The rate tends to decrease.
- the amount of the coagulant containing the cationic surfactant and the water-soluble organic solvent is usually 0.5 to 10 times, preferably 0.5 to 10 times the amount of the aqueous fluorine-containing copolymer aqueous dispersion. It is preferable to use it in an amount of 5 to 5.0 times from the viewpoint of the recovery of the fluorine-containing copolymer and the washing property.
- the reaction solution containing the coagulated fluorine-containing copolymer is separated from the aqueous phase by a filtration method such as reduced pressure filtration, centrifugal filtration, and pressure filtration, and the fluorine-containing copolymer is separated.
- the fluorinated copolymer is used until the ionic conductivity of the filtered aqueous phase becomes 10 ⁇ S / cm or less, preferably about 0.2 to 4.0 ⁇ S / cm. It is desirable to separate (separate) a high-purity fluorine-containing copolymer having a remarkably reduced metal element concentration by repeating washing and filtration with ion-exchanged water and then drying.
- the fluorinated copolymer according to the present invention obtained as described above has a concentration of metal elements (eg, Na, Mg, Al, K, Ca, Fe, Cu, etc.) as high as possible. It is preferably low, and the concentration of any of the metal elements contained, such as Na, Mg, and A1, is usually preferably 2 ppm or less, particularly preferably 1 ppm or less.
- metal elements eg, Na, Mg, Al, K, Ca, Fe, Cu, etc.
- an emulsion polymerization method preferably as a compounding component (e.g., a raw material monomer, an emulsifier, and a pH adjuster) during emulsion polymerization
- a compounding component e.g., a raw material monomer, an emulsifier, and a pH adjuster
- an emulsion polymerization method using as little as possible a metal element, such as aqueous ammonia as a pH adjuster is employed.
- a fluorine-containing copolymer is obtained from the obtained aqueous dispersion of a fluorine-containing copolymer.
- the concentration of each metal element is significantly reduced (eg, 1 ppm or less) by using a coagulant that does not contain a metal element.
- a high-purity fluorinated copolymer can be obtained by a simple method. [Use of the obtained fluorinated copolymer]
- the fluorinated copolymer obtained by separation and purification as described above is melt-molded as a melt-molded product or vulcanized (cross-linked) and vulcanized (cross-linked) molded according to a conventional method. Used as a product.
- the vulcanization molding of the unvulcanized fluorinated copolymer is carried out using, for example, a vulcanizing agent such as an organic peroxide and a crosslinking assistant (vulcanizing aid) such as a polyfunctional monomer. .
- a vulcanizing agent such as an organic peroxide
- a crosslinking assistant vulcanizing aid
- unvulcanized fluorine-containing copolymers such as vinylidene fluoride [Vd F], tetrafluoroethylene [TFE], and hexafluoropropylene [HF P]
- Vd F vinylidene fluoride
- TFE tetrafluoroethylene
- HF P hexafluoropropylene
- a fluorine-containing copolymer obtained by copolymerizing an unsaturated fluorohydrocarbon with is shown.
- a vulcanizing agent such as 2,5-dimethyl-2,5-di (tert-butylperoxy) is used.
- an organic peroxide such as hexane
- the bromine (Br) present at the cross-linking site in the unvulcanized fluorine-containing copolymer is extracted, and triallyl, a cross-linking aid (vulcanization aid), is extracted.
- the content of any metal elements contained is usually reduced to 2 ppm or less, especially 1 ppm or less, so that transport rolls, sealing materials, and hoses in the field of liquid crystal and semiconductor manufacturing equipment It is suitable for use as a tube, a tube, or a polymer matrix for forming a polymer electrolyte of a lithium secondary battery in the electric field. [The invention's effect]
- various kinds of metals can be prepared from an aqueous dispersion of a fluorine-containing copolymer obtained by an emulsion polymerization method, preferably an emulsion polymerization method using no metal element-containing raw material. It is possible to obtain a high-purity fluorinated copolymer or a vulcanized (cross-linked) molded product with a significantly reduced element concentration (eg, 1 ppm or less) by a simple method.
- the obtained ash was dissolved in dilute nitric acid (6N), and each metal was quantified by the ICP emission spectrometry.
- a 100-liter autoclave made of SUS316 is filled with ammonium perfluorooctanoate (anionic surfactant, NH 4 +
- CTFE copolymerized monomers
- the solids concentration of the aqueous dispersion removed from the autoclave was 26 wt%.
- ammonium perfluorononanoate anionic surfactant, NH 4 + [C
- Tetrafluoroethylene 0.8 kg (0.3 mol)
- Perfluoro (ethyl vinyl ether) FEVE] 2.2 kg (8.0 mol)
- TFE tetrafluoroethylene
- the solid concentration of the aqueous dispersion removed from the autoclave was 28 wt%.
- the solid concentration of the obtained aqueous fluorocopolymer dispersion was 28 wt%.
- the metals contained in the obtained fluorinated copolymer are Na, Mg, Al, K, The concentrations of Ca, Fe, and Cu were all less than 1 ppm.
- the Ca concentration was 200 ppm. All were less than 1 ppm.
- the Na concentration was 50 ppm. Was also less than 1 ppm.
- the Na concentration was 10 ppm. , ⁇ is less than 1 ppm.
- the Na concentration was 2 ppm. And both were less than 1 ppm.
- the fluorinated elastomer composition prepared according to the formulation shown in Table 2 was masticated by an 8-inch roll mill, Vulcanization conditions shown in 2 , And vulcanized molded articles were produced.
- Example 4 the vulcanized molded product (Example 4) using the fluorinated copolymer obtained in Example 3 was a comparative example.
- the metal element concentration is lower than that of the vulcanized molded article using the fluorine-containing copolymer obtained in Step 3 (Comparative Example 6). It is suitably used as a tube, a tube, or the like, or as a polymer matrix for forming a polymer electrolyte of a lithium secondary battery in the electric field.
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US10/550,479 US7420017B2 (en) | 2003-03-24 | 2004-03-12 | Process for producing fluorocopolymer |
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JP2003-080770 | 2003-03-24 | ||
JP2003080770A JP2004285264A (ja) | 2003-03-24 | 2003-03-24 | 含フッ素共重合体の製造方法 |
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US7420017B2 (en) * | 2003-03-24 | 2008-09-02 | Unimatec Co., Ltd. | Process for producing fluorocopolymer |
EP2058291A1 (en) * | 2006-08-31 | 2009-05-13 | Asahi Glass Company, Limited | Perfluorocarboxylic acid salt and method for producing the same |
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US20090023863A1 (en) | 2004-10-04 | 2009-01-22 | Jun Kanega | Cross-linked fluorine-containing copolymer moldings |
US7402630B2 (en) | 2004-12-16 | 2008-07-22 | 3M Innovative Properties Company | Curing compositions for fluoropolymers |
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JP5082212B2 (ja) * | 2005-08-11 | 2012-11-28 | ダイキン工業株式会社 | フルオロエラストマーの製造方法 |
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US20080146757A1 (en) * | 2006-12-19 | 2008-06-19 | Lyons Donald F | Process for producing fluoroelastomers |
US20080262177A1 (en) * | 2006-12-19 | 2008-10-23 | Lyons Donald F | Process for producing fluoroelastomers |
RU2448982C2 (ru) * | 2007-04-13 | 2012-04-27 | Асахи Гласс Компани, Лимитед | Способ получения фторполимера с использованием производного фторкарбоновой кислоты |
JP5617243B2 (ja) * | 2007-11-28 | 2014-11-05 | ユニマテック株式会社 | フルオロエラストマーの製造法 |
JP5547807B2 (ja) | 2009-06-25 | 2014-07-16 | スリーエム イノベイティブ プロパティズ カンパニー | フルオロポリマー用の硬化組成物 |
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WO2023210819A1 (ja) * | 2022-04-28 | 2023-11-02 | ダイキン工業株式会社 | フルオロポリマーの製造方法 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05287151A (ja) * | 1992-04-08 | 1993-11-02 | Asahi Glass Co Ltd | 成形用ポリテトラフルオロエチレン組成物、その製造方法および成形加工方法 |
JPH09500163A (ja) * | 1993-07-16 | 1997-01-07 | イー・アイ・デュポン・ドゥ・ヌムール・アンド・カンパニー | 高純度フルオロエラストマー配合物 |
WO1997008239A1 (fr) * | 1995-08-30 | 1997-03-06 | Morisei Kako Co., Ltd. | Composition d'etancheification et produit d'etancheite |
JPH09183812A (ja) * | 1995-12-21 | 1997-07-15 | Dyneon Gmbh | 熱可塑性フルオロポリマーの後処理方法 |
WO1999050319A1 (fr) * | 1998-03-25 | 1999-10-07 | Daikin Industries, Ltd. | Procede de reduction de la teneur en metal d'un fluoroelastomere |
WO1999065954A1 (fr) * | 1998-06-15 | 1999-12-23 | Asahi Glass Company Ltd. | Matiere de moulage comprenant un fluorocopolymere |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4946902A (en) * | 1988-05-27 | 1990-08-07 | E. I. Du Pont De Nemours And Company | Process for the setabilization of fluoropolymers |
WO1997017382A1 (fr) | 1995-11-09 | 1997-05-15 | Daikin Industries, Ltd. | Poudre fine de polytetrafluoroethylene, sa fabrication et son utilisation |
US6720360B1 (en) * | 2000-02-01 | 2004-04-13 | 3M Innovative Properties Company | Ultra-clean fluoropolymers |
JP2004285264A (ja) * | 2003-03-24 | 2004-10-14 | Yunimatekku Kk | 含フッ素共重合体の製造方法 |
-
2003
- 2003-03-24 JP JP2003080770A patent/JP2004285264A/ja active Pending
-
2004
- 2004-03-12 WO PCT/JP2004/003330 patent/WO2004085492A1/ja active Application Filing
- 2004-03-12 US US10/550,479 patent/US7420017B2/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05287151A (ja) * | 1992-04-08 | 1993-11-02 | Asahi Glass Co Ltd | 成形用ポリテトラフルオロエチレン組成物、その製造方法および成形加工方法 |
JPH09500163A (ja) * | 1993-07-16 | 1997-01-07 | イー・アイ・デュポン・ドゥ・ヌムール・アンド・カンパニー | 高純度フルオロエラストマー配合物 |
WO1997008239A1 (fr) * | 1995-08-30 | 1997-03-06 | Morisei Kako Co., Ltd. | Composition d'etancheification et produit d'etancheite |
JPH09183812A (ja) * | 1995-12-21 | 1997-07-15 | Dyneon Gmbh | 熱可塑性フルオロポリマーの後処理方法 |
WO1999050319A1 (fr) * | 1998-03-25 | 1999-10-07 | Daikin Industries, Ltd. | Procede de reduction de la teneur en metal d'un fluoroelastomere |
WO1999065954A1 (fr) * | 1998-06-15 | 1999-12-23 | Asahi Glass Company Ltd. | Matiere de moulage comprenant un fluorocopolymere |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7420017B2 (en) * | 2003-03-24 | 2008-09-02 | Unimatec Co., Ltd. | Process for producing fluorocopolymer |
WO2005066218A1 (en) * | 2003-12-30 | 2005-07-21 | 3M Innovative Properties Company | Fluoropolymer coagulation method and composition |
EP2058291A1 (en) * | 2006-08-31 | 2009-05-13 | Asahi Glass Company, Limited | Perfluorocarboxylic acid salt and method for producing the same |
EP2058291A4 (en) * | 2006-08-31 | 2009-12-16 | Asahi Glass Co Ltd | PERFLUOROCARBOXYLIC ACID SALT AND METHOD OF MANUFACTURE |
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US7420017B2 (en) | 2008-09-02 |
JP2004285264A (ja) | 2004-10-14 |
US20060235157A1 (en) | 2006-10-19 |
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