CN101535352B - 使用包含氟聚醚酸或盐以及短链含氟表面活性剂的聚合剂进行的氟化单体的含水聚合反应 - Google Patents

使用包含氟聚醚酸或盐以及短链含氟表面活性剂的聚合剂进行的氟化单体的含水聚合反应 Download PDF

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CN101535352B
CN101535352B CN200780041264.XA CN200780041264A CN101535352B CN 101535352 B CN101535352 B CN 101535352B CN 200780041264 A CN200780041264 A CN 200780041264A CN 101535352 B CN101535352 B CN 101535352B
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salt
aqueous
acid
fluorosurfactant
weight
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CN101535352A (zh
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P·D·布罗瑟斯
S·V·甘加尔
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Chemours Co FC LLC
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EI Du Pont de Nemours and Co
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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
    • C08F14/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen
    • C08F14/18—Monomers containing fluorine
    • C08F14/26—Tetrafluoroethene
    • 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
    • C08F14/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen
    • C08F14/18—Monomers containing fluorine
    • 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
    • C08F214/262—Tetrafluoroethene with fluorinated vinyl ethers
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • 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
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/54—Aqueous solutions or dispersions

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Polymerisation Methods In General (AREA)
  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
CN200780041264.XA 2006-11-09 2007-11-09 使用包含氟聚醚酸或盐以及短链含氟表面活性剂的聚合剂进行的氟化单体的含水聚合反应 Active CN101535352B (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US85796006P 2006-11-09 2006-11-09
US85801006P 2006-11-09 2006-11-09
US60/858,010 2006-11-09
US60/857,960 2006-11-09
PCT/US2007/023639 WO2008060461A1 (en) 2006-11-09 2007-11-09 Aqueous polymerization of fluorinated monomer using polymerization agent comprising fluoropolyether acid or salt and short chain fluorosurfactant

Publications (2)

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CN101535352A CN101535352A (zh) 2009-09-16
CN101535352B true CN101535352B (zh) 2014-03-05

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CN200780041264.XA Active CN101535352B (zh) 2006-11-09 2007-11-09 使用包含氟聚醚酸或盐以及短链含氟表面活性剂的聚合剂进行的氟化单体的含水聚合反应
CN2007800412743A Active CN101616939B (zh) 2006-11-09 2007-11-09 使用包含高分子量氟聚醚酸或盐以及氟聚醚酸或盐表面活性剂的聚合剂进行的氟化单体的含水聚合反应

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CN2007800412743A Active CN101616939B (zh) 2006-11-09 2007-11-09 使用包含高分子量氟聚醚酸或盐以及氟聚醚酸或盐表面活性剂的聚合剂进行的氟化单体的含水聚合反应

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US (10) US7932333B2 (enExample)
EP (2) EP2079766B1 (enExample)
JP (2) JP5470044B2 (enExample)
CN (2) CN101535352B (enExample)
AT (2) ATE510857T1 (enExample)
WO (2) WO2008060460A1 (enExample)

Families Citing this family (151)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5061446B2 (ja) * 2005-03-04 2012-10-31 旭硝子株式会社 含フッ素エラストマーラテックス、その製造方法、含フッ素エラストマーおよび含フッ素ゴム成形品
EP1939222B2 (en) * 2005-10-17 2019-09-04 AGC Inc. Process for producing an AQUEOUS POLYTETRAFLUOROETHYLENE EMULSION, AND POLYTETRAFLUOROETHYLENE FINE POWDER AND POROUS MATERIAL PRODUCED FROM THE SAME
WO2007046377A1 (ja) 2005-10-20 2007-04-26 Asahi Glass Company, Limited 溶融成形可能なフッ素樹脂の製造方法
CN101291987B (zh) * 2005-10-20 2012-05-09 旭硝子株式会社 聚四氟乙烯水性分散液及其制品
RU2409592C2 (ru) * 2005-10-26 2011-01-20 Асахи Гласс Компани, Лимитед Фторсодержащий полимер с низким остаточным содержанием фторированного эмульгатора и способ его получения
JP5375095B2 (ja) * 2006-08-31 2013-12-25 旭硝子株式会社 ペルフルオロカルボン酸塩の製造方法、ペルフルオロカルボン酸塩水溶液の製造方法、テトラフルオロエチレンの単独重合体または共重合体の製造方法
EP2079766B1 (en) * 2006-11-09 2011-05-18 E.I. Du Pont De Nemours And Company Aqueous polymerization of fluorinated monomer using polymerization agent comprising high molecular weight fluoropolyether acid or salt and fluoropolyether acid or salt surfactant
EP2084195B1 (en) * 2006-11-09 2011-06-08 E.I. Du Pont De Nemours And Company Aqueous polymerization of fluorinated monomers using polymerization agent comprising fluoropolyether acid or salt and hydrocarbon surfactant
ATE510858T1 (de) * 2006-11-09 2011-06-15 Du Pont Wässrige polymerisation eines fluorinierten monomers mithilfe eines polymerisationsmittels mit einer fluorpolyethersäure oder einem salz daraus und einem siloxantensid
WO2008132959A1 (ja) * 2007-04-13 2008-11-06 Asahi Glass Company, Limited 含フッ素カルボン酸化合物を用いた含フッ素ポリマーの製造方法
CN101290553A (zh) * 2007-04-17 2008-10-22 索尼（中国）有限公司 具有显示屏的电子设备
WO2009049168A1 (en) * 2007-10-12 2009-04-16 3M Innovative Properties Company Process for manufacturing clean fluoropolymers
US20090281241A1 (en) 2008-05-09 2009-11-12 E. I. Du Pont De Nemours And Company Aqueous Polymerization of Fluorinated Monomer Using a Mixture of Fluoropolyether Acids or Salts
US20090281261A1 (en) * 2008-05-09 2009-11-12 E. I. Du Pont De Nemours And Company Abatement of Fluoroether Carboxylic Acids or Salts Employed in Fluoropolymer Resin Manufacture
US20100113691A1 (en) * 2008-11-06 2010-05-06 E. I. Du Pont De Nemours And Company Fluoro olefin polymerization
US8153738B2 (en) * 2008-12-23 2012-04-10 E I Du Pont De Nemours And Company Fluoropolymer produced by aqueous polymerization using dispersed particulate of fluorinated ionomer
US8436054B2 (en) 2008-12-23 2013-05-07 E I Du Pont De Nemours And Company Fluorinated ionomer produced by aqueous polymerization using dispersed particulate of fluorinated ionomer produced in situ
US20100160552A1 (en) * 2008-12-23 2010-06-24 E. I. Du Pont De Nemours And Company Aqueous Polymerization of Fluorinated Monomer Using Hydrogen Containing Branched Fluoroether Surfactant
EP2407490B1 (en) 2009-03-12 2013-11-06 Daikin Industries, Ltd. Method for producing aqueous dispersion of fluorine-containing seed polymer particles, aqueous coating composition, and coated article
JP5901290B2 (ja) 2009-03-30 2016-04-06 ダイキン工業株式会社 ポリテトラフルオロエチレン及びその製造方法
US8329813B2 (en) 2009-05-08 2012-12-11 E I Du Pont De Nemours And Company Thermal reduction of fluoroether carboxylic acids or salts from fluoropolymer dispersions
US8735492B2 (en) 2009-08-28 2014-05-27 Daikin Industries, Ltd. Method for producing fluorine-containing polymer
EP2471824B1 (en) 2009-08-28 2014-11-26 Daikin Industries, Ltd. Method for producing fluorine-containing polymer
WO2011055824A1 (ja) 2009-11-09 2011-05-12 旭硝子株式会社 ポリテトラフルオロエチレン水性乳化液及びその製造方法、該水性乳化液を用いて得られるポリテトラフルオロエチレン水性分散液、ポリテトラフルオロエチレンファインパウダー並びに延伸多孔体
CN102822213B (zh) * 2009-12-18 2016-06-15 索尔维特殊聚合物意大利有限公司 制造偏二氟乙烯聚合物分散体的方法
WO2011073344A1 (en) * 2009-12-18 2011-06-23 Solvay Solexis S.P.A. Method for manufacturing fluoroelastomers
JP5684283B2 (ja) * 2009-12-18 2015-03-11 ソルヴェイ・スペシャルティ・ポリマーズ・イタリー・エッセ・ピ・ア フルオロポリマーの製造方法
JP4858628B2 (ja) * 2010-05-25 2012-01-18 ユニマテック株式会社 含フッ素ポリマー水性分散液
CN106188353B (zh) 2010-11-09 2018-08-31 科慕埃弗西有限公司 使用烃表面活性剂的含氟单体的含水聚合
US9074025B2 (en) 2010-11-09 2015-07-07 The Chemours Company Fc, Llc Reducing the telogenic behavior of hydrocarbon-containing surfactants in aqueous dispersion fluoromonomer polymerization
JP6201236B2 (ja) 2010-11-09 2017-09-27 ザ ケマーズ カンパニー エフシー リミテッド ライアビリティ カンパニー フルオロモノマーの水性重合における核形成
KR101207421B1 (ko) 2010-12-02 2012-12-04 한국화학연구원 플루오로설포네이트계 불소계 계면활성제를 사용하는 비닐리덴 플루오라이드 함유 불소계 단량체의 수분산 에멀젼 중합방법
JP5986102B2 (ja) 2010-12-17 2016-09-06 スリーエム イノベイティブ プロパティズ カンパニー マイクロエマルジョン及びマイクロエマルジョンを用いて作製されたフルオロポリマー
CN102558721B (zh) 2010-12-31 2014-08-20 杜邦公司 聚四氟乙烯水分散体
CN102145268B (zh) * 2011-01-20 2013-03-27 上海三爱富新材料股份有限公司 表面活性剂组合物及其用途
EP2714639A1 (en) * 2011-05-26 2014-04-09 Solvay Specialty Polymers Italy S.p.A. Hydro-fluorocompounds
CN105884946B (zh) 2011-08-25 2018-06-01 大金工业株式会社 聚四氟乙烯水性分散液的制造方法
WO2013090941A1 (en) * 2011-12-16 2013-06-20 E. I. Du Pont De Nemours And Company Polymerization of fluorinated vinyl monomers in aqueous salt solutions
JP5983633B2 (ja) 2012-02-02 2016-09-06 旭硝子株式会社 ポリテトラフルオロエチレンファインパウダーの製造方法
CN102633688A (zh) * 2012-04-13 2012-08-15 华东理工大学 全氟乙烯基醚磺酸盐及其制备方法和用途
US9634535B2 (en) * 2012-08-11 2017-04-25 Schlumberger Technology Corporation Equipment including epitaxial co-crystallized material
WO2014084399A1 (ja) 2012-11-30 2014-06-05 ダイキン工業株式会社 ポリテトラフルオロエチレン水性分散液及びポリテトラフルオロエチレンファインパウダー
US9574020B2 (en) 2012-11-30 2017-02-21 Daikin Industries, Ltd. Production method for fluoropolymer aqueous dispersion
EP2927248B1 (en) 2012-11-30 2018-06-13 Daikin Industries, Ltd. Production method for polytetrafluoroethylene aqueous dispersion
CN103127877B (zh) * 2013-03-05 2015-09-09 山东东岳高分子材料有限公司 一种含氟表面活性剂及其制备方法
US20150011697A1 (en) * 2013-07-03 2015-01-08 E I Du Pont De Nemours And Company Melt-processible vinyl fluoride interpolymers of low crystallinity
JP6622209B2 (ja) 2013-11-26 2019-12-18 ザ ケマーズ カンパニー エフシー リミテッド ライアビリティ カンパニー フルオロモノマーの水性重合において核を形成するためのポリアルキレンオキシドの使用
WO2015080290A1 (ja) 2013-11-29 2015-06-04 ダイキン工業株式会社 多孔質体、高分子電解質膜、フィルター用濾材及びフィルターユニット
WO2015080292A1 (ja) 2013-11-29 2015-06-04 旭化成イーマテリアルズ株式会社 高分子電解質膜
TW201533125A (zh) 2013-11-29 2015-09-01 Daikin Ind Ltd 改性聚四氟乙烯細粉及單軸拉伸多孔質體
CN105793336B (zh) 2013-11-29 2019-12-24 大金工业株式会社 双向拉伸多孔质膜
US10227430B2 (en) * 2014-02-18 2019-03-12 Daikin Industries, Ltd. Method for producing aqueous perfluoroelastomer dispersion, and method for producing perfluoroelastomer
CN103936904B (zh) * 2014-05-09 2017-01-18 成都晨光博达橡塑有限公司 一种分散体
JP6826834B2 (ja) 2016-07-27 2021-02-10 三井・ケマーズ フロロプロダクツ株式会社 トップコート用フッ素樹脂塗料及びその塗膜
US11390772B2 (en) 2016-12-01 2022-07-19 Chemours-Mitsui Fluoroproducts Co., Ltd. Fluoropolymer coating composition
JP7345454B2 (ja) 2017-09-08 2023-09-15 ソルベイ スペシャルティ ポリマーズ イタリー エス．ピー．エー． フルオロポリマーを製造する方法
JP2019094459A (ja) 2017-11-27 2019-06-20 三井・ケマーズ フロロプロダクツ株式会社 形状記憶成形品用材料および形状記憶成形品
WO2019131633A1 (ja) 2017-12-25 2019-07-04 ダイキン工業株式会社 ポリテトラフルオロエチレン粉末の製造方法
JP6939916B2 (ja) 2018-02-08 2021-09-22 ダイキン工業株式会社 フルオロポリマーの製造方法、重合用界面活性剤、界面活性剤の使用及び組成物
US11767379B2 (en) 2018-03-01 2023-09-26 Daikin Industries, Ltd. Method for manufacturing fluoropolymer
WO2019172382A1 (ja) 2018-03-07 2019-09-12 ダイキン工業株式会社 フルオロポリマーの製造方法
CN108485278B (zh) * 2018-03-22 2020-08-25 广州冠道体育用品有限公司 一种用于眼镜的内添加型防雾剂组合物
JP7335685B2 (ja) 2018-06-07 2023-08-30 三井・ケマーズ フロロプロダクツ株式会社 熱溶融性フッ素樹脂組成物及びこれから成る射出成形品
WO2020022355A1 (ja) 2018-07-23 2020-01-30 ダイキン工業株式会社 ポリテトラフルオロエチレン及び延伸体
AT521514B1 (de) 2018-09-14 2020-02-15 Avl List Gmbh Zylinderkopf
CN112739728B (zh) 2018-10-03 2023-03-10 大金工业株式会社 聚四氟乙烯的制造方法
WO2020071503A1 (ja) 2018-10-03 2020-04-09 ダイキン工業株式会社 ポリテトラフルオロエチレンの製造方法
TWI821458B (zh) 2018-11-19 2023-11-11 日商大金工業股份有限公司 組成物及拉伸體
EP3885372A4 (en) 2018-11-19 2022-08-17 Daikin Industries, Ltd. PROCESS FOR PRODUCTION OF MODIFIED POLYTETRAFLUORETHYLENE AND COMPOSITION
WO2020129083A1 (en) * 2018-12-18 2020-06-25 Gujarat Fluorochemicals Limited Method for aqueous polymerization of fluoromonomers using perfluorobutanesulfonic acid or a salt thereof
JP7060826B2 (ja) 2019-02-01 2022-04-27 ダイキン工業株式会社 ポリテトラフルオロエチレンの製造方法
US20220119556A1 (en) 2019-02-07 2022-04-21 Daikin Industries, Ltd. Composition, stretched body and method of manufacturing thereof
US12503560B2 (en) 2019-04-16 2025-12-23 Daikin Industries, Ltd. Method for producing fluoropolymer powder
WO2020218620A1 (ja) 2019-04-26 2020-10-29 ダイキン工業株式会社 フルオロポリマー水性分散液の製造方法、排水の処理方法、及び、フルオロポリマー水性分散液
JP7564452B2 (ja) 2019-04-26 2024-10-09 ダイキン工業株式会社 フルオロポリマー水性分散液の製造方法
JP7417129B2 (ja) 2019-04-26 2024-01-18 ダイキン工業株式会社 水の処理方法および組成物
US20220251251A1 (en) 2019-04-26 2022-08-11 Daikin Industries, Ltd. Fluoropolymer aqueous dispersion production method and fluoropolymer aqueous dispersion
JP7352804B2 (ja) 2019-05-09 2023-09-29 ダイキン工業株式会社 中空微粒子の製造方法及び中空微粒子
EP4001322B1 (en) 2019-07-16 2025-12-24 Daikin Industries, Ltd. Method for producing fluorine-containing elastomer, and composition
CN118146427A (zh) 2019-07-23 2024-06-07 大金工业株式会社 含氟聚合物的制造方法、聚四氟乙烯组合物和聚四氟乙烯粉末
EP4026854A4 (en) 2019-09-05 2024-01-17 Daikin Industries, Ltd. Polytetrafluoroethylene aqueous dispersion
CN120271939A (zh) 2019-09-05 2025-07-08 大金工业株式会社 组合物及其制造方法
JP7368759B2 (ja) 2019-09-05 2023-10-25 ダイキン工業株式会社 パーフルオロエラストマーの製造方法および組成物
EP4039716A4 (en) 2019-10-03 2023-10-25 Daikin Industries, Ltd. Polytetrafluoroethylene and method for producing same
WO2021100834A1 (ja) 2019-11-19 2021-05-27 ダイキン工業株式会社 ポリテトラフルオロエチレンの製造方法
WO2021100836A1 (ja) 2019-11-19 2021-05-27 ダイキン工業株式会社 フルオロポリマーの製造方法、ポリテトラフルオロエチレンの製造方法、パーフルオロエラストマーの製造方法および組成物
CN114651019B (zh) 2019-11-19 2024-11-08 大金工业株式会社 含氟聚合物的制造方法
JP6989792B2 (ja) 2019-12-25 2022-01-12 ダイキン工業株式会社 フルオロポリマーの製造方法
EP4083085A4 (en) 2019-12-27 2024-01-24 Daikin Industries, Ltd. Method for producing fluorine-containing polymer, fluorine-containing elastomer and aqueous dispersion liquid
WO2021149022A1 (en) * 2020-01-24 2021-07-29 Gujarat Fluorochemicals Limited Process for polymerizing fluoromonomers using a combination of fluorinated and non-fluorinated surfactant
EP4186932A4 (en) 2020-07-22 2024-08-07 Daikin Industries, Ltd. PROCESS FOR PRODUCING AQUEOUS DISPERSION OF FLUORINE-CONTAINING ELASTOMER AND AQUEOUS DISPERSION OF FLUORINE-CONTAINING ELASTOMER
EP4190826A4 (en) 2020-07-28 2024-09-04 Daikin Industries, Ltd. METHOD FOR PRODUCING AN AQUEOUS DISPERSION OF FLUORINOUS ELASTOMER AND AQUEOUS DISPERSION OF FLUORINOUS ELASTOMER
CN116134060B (zh) 2020-07-30 2024-06-18 大金工业株式会社 含氟弹性体水性分散液的制造方法、含氟弹性体和水性分散液
JP7513915B2 (ja) 2020-07-30 2024-07-10 ダイキン工業株式会社 含フッ素エラストマー水性分散液の製造方法、含フッ素エラストマーおよび水性分散液
EP4194474A4 (en) 2020-08-05 2024-08-21 Daikin Industries, Ltd. METHOD FOR PREPARING AN AQUEOUS DISPERSION OF A FLUORINE-CONTAINING ELASTOMER
EP4212556A4 (en) 2020-09-07 2024-10-09 Daikin Industries, Ltd. Aqueous modified polytetrafluoroethylene dispersion
JP7539280B2 (ja) 2020-09-18 2024-08-23 三井・ケマーズ フロロプロダクツ株式会社 圧縮成形用組成物、その製造方法、および成形品
JP7606110B2 (ja) 2020-11-19 2024-12-25 ダイキン工業株式会社 ポリテトラフルオロエチレンの製造方法およびポリテトラフルオロエチレンを含有する組成物
CN116406386A (zh) 2020-11-19 2023-07-07 大金工业株式会社 含氟弹性体水性分散液的制造方法和组合物
EP4249525A4 (en) 2020-11-19 2024-10-16 Daikin Industries, Ltd. METHOD FOR PREPARING AN AQUEOUS PERFLUOROLASTOMER DISPERSION, COMPOSITION, CROSS-LINKABLE COMPOSITION AND CROSS-LINKED PRODUCT
EP4249467B1 (en) 2020-11-19 2025-11-12 Daikin Industries, Ltd. Fluoropolymer and manufacturing method therefor
WO2022107888A1 (ja) 2020-11-19 2022-05-27 ダイキン工業株式会社 フルオロポリマーおよびその製造方法
WO2022133439A1 (en) 2020-12-17 2022-06-23 Hongene Biotech Corporation Compositions and kits comprising interpenetrating networks for capillary electrophoresis
JP7674666B2 (ja) 2021-01-28 2025-05-12 ダイキン工業株式会社 フルオロポリマー組成物の製造方法
EP4286426A4 (en) 2021-01-28 2025-02-12 Daikin Industries, Ltd. Method for producing fluoropolymer composition
JP7646387B2 (ja) 2021-02-22 2025-03-17 三井・ケマーズ フロロプロダクツ株式会社 粉体塗料組成物
CN116981741A (zh) 2021-03-10 2023-10-31 大金工业株式会社 涂料组合物、涂布膜、层积体和涂装物品
WO2022196804A1 (ja) 2021-03-18 2022-09-22 ダイキン工業株式会社 フッ素樹脂の製造方法、フッ素樹脂および水性分散液
KR20230146631A (ko) 2021-03-31 2023-10-19 다이킨 고교 가부시키가이샤 불소 수지 조성물 및 성형체
EP4317307A4 (en) 2021-03-31 2025-04-23 Daikin Industries, Ltd. Fluororesin composition and molded object
EP4317219A4 (en) 2021-03-31 2025-05-07 Daikin Industries, Ltd. Fluorine resin composition and molded body
CN117043262A (zh) 2021-03-31 2023-11-10 大金工业株式会社 氟树脂组合物和成型体
KR20230160917A (ko) 2021-03-31 2023-11-24 다이킨 고교 가부시키가이샤 불소 수지 조성물의 제조 방법, 불소 수지 조성물 및 성형체
CN113185625B (zh) * 2021-04-21 2023-06-16 三明市海斯福化工有限责任公司 一种组合分散剂、含氟聚合物分散液及其制备方法
EP4342917A4 (en) 2021-05-19 2025-06-04 Daikin Industries, Ltd. Fluoropolymer, aqueous solution and coating composition
EP4342921A4 (en) 2021-05-19 2025-04-23 Daikin Industries, Ltd. Process for producing a fluoropolymer, process for producing polytetrafluoroethylene and composition
CN115466343B (zh) 2021-06-11 2023-10-27 中昊晨光化工研究院有限公司 一种聚醚二酸或其盐类表面活性剂及其应用
JP7741413B2 (ja) 2021-06-11 2025-09-18 ダイキン工業株式会社 含フッ素エラストマー水性分散液の製造方法、組成物および水性分散液
EP4353752A4 (en) 2021-06-11 2025-05-21 Daikin Industries, Ltd. PROCESS FOR PRODUCING AQUEOUS DISPERSION OF FLUORINE-CONTAINING ELASTOMER
WO2023277140A1 (ja) 2021-06-30 2023-01-05 ダイキン工業株式会社 高純度フルオロポリマー含有組成物の製造方法および高純度フルオロポリマー含有組成物
CN117500848A (zh) 2021-06-30 2024-02-02 大金工业株式会社 含氟聚合物组合物的制造方法和含氟聚合物组合物
JP7730047B2 (ja) 2021-06-30 2025-08-27 ダイキン工業株式会社 ポリテトラフルオロエチレン粒子の製造方法
CN117561295A (zh) 2021-06-30 2024-02-13 大金工业株式会社 聚四氟乙烯粉末的制造方法和聚四氟乙烯粉末
WO2023182229A1 (ja) 2022-03-23 2023-09-28 ダイキン工業株式会社 フルオロポリマーの製造方法および組成物
WO2023182228A1 (ja) 2022-03-23 2023-09-28 ダイキン工業株式会社 フルオロポリマー、水溶液、コーティング組成物およびフルオロポリマーの製造方法
JP7785034B2 (ja) 2022-03-31 2025-12-12 ダイキン工業株式会社 フッ素樹脂組成物、及び、成形体
WO2023210818A1 (ja) 2022-04-28 2023-11-02 ダイキン工業株式会社 フッ素ゴムを含有する組成物
CN119072500A (zh) 2022-04-28 2024-12-03 大金工业株式会社 含有氟树脂的组合物的制造方法和含有氟树脂的组合物
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
WO2024024891A1 (ja) 2022-07-27 2024-02-01 ダイキン工業株式会社 フルオロポリマー水性分散液の製造方法、フルオロポリマー水性分散液および塗料組成物
CN119630715A (zh) 2022-07-27 2025-03-14 大金工业株式会社 含有含氟聚合物的粒子的粉体及其制造方法、粉体涂料以及液状涂料组合物
JPWO2024024917A1 (enExample) 2022-07-27 2024-02-01
WO2024024916A1 (ja) 2022-07-27 2024-02-01 ダイキン工業株式会社 低分子量ポリテトラフルオロエチレンの粒子を含有する粉体およびその製造方法
CN115651184A (zh) * 2022-09-28 2023-01-31 四川弘氟新材料有限公司 一种含氟聚醚羧酸型表面活性剂及其制备方法
TW202415742A (zh) 2022-09-30 2024-04-16 美商科慕Ｆｃ有限責任公司 用作鋰離子二次電池組電極中之黏合劑之乾燥易碎氟聚合物黏聚物組成物
EP4600318A4 (en) 2022-11-02 2026-03-11 Daikin Ind Ltd Electrodeposition coating composition, film, coated article, coated wire and printed circuit board
JP7538458B2 (ja) 2023-01-18 2024-08-22 ダイキン工業株式会社 ポリテトラフルオロエチレン組成物
WO2024154806A1 (ja) 2023-01-18 2024-07-25 ダイキン工業株式会社 電気化学デバイス用合剤自立膜、電極、及び、電気化学デバイス
JP7594228B2 (ja) 2023-01-18 2024-12-04 ダイキン工業株式会社 テトラフルオロエチレン系ポリマー組成物、電気化学デバイス用バインダー、電極合剤、電極、及び、二次電池
JP7583340B2 (ja) 2023-01-18 2024-11-14 ダイキン工業株式会社 電気化学デバイス用合剤、電気化学デバイス用合剤シート、電極、及び、電気化学デバイス
EP4525095A4 (en) 2023-01-18 2026-04-08 Daikin Ind Ltd Tetrafluoroethylene polymer composition, binder for semiconductor secondary batteries, electrolyte layer mixture, electrode mixture, electrode and semiconductor secondary battery
JPWO2024172081A1 (enExample) 2023-02-16 2024-08-22
WO2024172080A1 (ja) 2023-02-16 2024-08-22 ダイキン工業株式会社 低分子量ポリテトラフルオロエチレン水性分散液の製造方法
EP4711389A1 (en) 2023-05-31 2026-03-18 Daikin Industries, Ltd. Method for producing aqueous fluoropolymer dispersion, and aqueous fluoropolymer dispersion
EP4560738A4 (en) 2023-06-30 2026-02-18 Daikin Ind Ltd Composition of polytetrafluoroethylene, binder for electrochemical devices, electrode mixture, electrode and secondary battery
CN121420384A (zh) 2023-06-30 2026-01-27 大金工业株式会社 聚四氟乙烯、电化学器件用粘结剂、电极合剂、电极以及二次电池
CN121712810A (zh) 2023-08-14 2026-03-20 大金工业株式会社 含氟聚合物水性分散液的制造方法和含氟聚合物水性分散液
CN121752344A (zh) 2023-08-28 2026-03-27 大金工业株式会社 水溶性含氟聚合物的回收方法
JP2025115451A (ja) 2024-01-26 2025-08-07 三井・ケマーズ フロロプロダクツ株式会社 粉体塗料組成物
WO2025189061A1 (en) 2024-03-08 2025-09-12 The Chemours Company Fc, Llc Residue reduction in perfluoroalkoxy alkane (pfa) dispersions
WO2025217156A1 (en) 2024-04-09 2025-10-16 The Chemours Company Fc, Llc Application of fluoropolymer dispersion stabilizers for fluorinated residuals reduction

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6395848B1 (en) * 1999-05-20 2002-05-28 E. I. Du Pont De Nemours And Company Polymerization of fluoromonomers
EP1334996A2 (en) * 2002-02-12 2003-08-13 Solvay Solexis S.p.A. Aqueous dispersions of fluoropolymers
CN1847333A (zh) * 2005-01-05 2006-10-18 索尔维索莱克西斯公司 Vdf基聚合物水分散体在制备用于建筑基材涂料的油漆中的应用

Family Cites Families (71)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2559752A (en) * 1951-03-06 1951-07-10 Du Pont Aqueous colloidal dispersions of polymers
US2713593A (en) * 1953-12-21 1955-07-19 Minnesota Mining & Mfg Fluorocarbon acids and derivatives
GB836741A (en) * 1958-02-03 1960-06-09 Ici Ltd Improved polymerisation process
US3083220A (en) * 1958-07-03 1963-03-26 Du Pont Process for the preparation of fluosulfonates
US3271341A (en) * 1961-08-07 1966-09-06 Du Pont Aqueous colloidal dispersions of polymer
US3282875A (en) * 1964-07-22 1966-11-01 Du Pont Fluorocarbon vinyl ether polymers
US3291843A (en) * 1963-10-08 1966-12-13 Du Pont Fluorinated vinyl ethers and their preparation
US3391099A (en) * 1966-04-25 1968-07-02 Du Pont Polymerization process
US3842019A (en) * 1969-04-04 1974-10-15 Minnesota Mining & Mfg Use of sulfonic acid salts in cationic polymerization
GB1292268A (en) 1970-02-16 1972-10-11 Bitterfeld Chemie Process for the dimerisation of hexafluoropropene epoxide
US3839425A (en) * 1970-09-16 1974-10-01 Du Pont Perfluoroalkyletheramidoalkyl betaines and sulfobetaines
US4036802A (en) * 1975-09-24 1977-07-19 E. I. Du Pont De Nemours And Company Tetrafluoroethylene copolymer fine powder resin
US4029868A (en) * 1976-03-10 1977-06-14 E. I. Du Pont De Nemours And Company Tetrafluoroethylene terpolymers
US4089804A (en) * 1976-12-30 1978-05-16 Ciba-Geigy Corporation Method of improving fluorinated surfactants
FR2484422A1 (fr) * 1980-05-14 1981-12-18 Ugine Kuhlmann Procede de traitement de dispersions aqueuses de polytetrafluorethylene preparees en presence du sel de lithium d'un acide perfluoroalcanesulfonique
US4358545A (en) * 1980-06-11 1982-11-09 The Dow Chemical Company Sulfonic acid electrolytic cell having flourinated polymer membrane with hydration product less than 22,000
US4463144A (en) * 1980-09-10 1984-07-31 Asahi Glass Company Ltd. Process for producing propylene-tetrafluoroethylene copolymer
US4381384A (en) * 1981-08-17 1983-04-26 E. I. Du Pont De Nemours And Company Continuous polymerization process
US4380618A (en) * 1981-08-21 1983-04-19 E. I. Du Pont De Nemours And Company Batch polymerization process
US4552631A (en) * 1983-03-10 1985-11-12 E. I. Du Pont De Nemours And Company Reinforced membrane, electrochemical cell and electrolysis process
DE3486428T2 (de) 1983-12-26 1996-10-10 Daikin Ind Ltd Halogen enthaltendes Polyether
US4723016A (en) 1984-06-29 1988-02-02 E. I. Du Pont De Nemours And Company Preparation of anhydrous organic acid salts
US4621116A (en) * 1984-12-07 1986-11-04 E. I. Du Pont De Nemours And Company Process for copolymerization of tetrafluoroethylene in the presence of a dispersing agent comprising a perfluoroalkoxybenzene sulfonic acid or salt
US4743658A (en) * 1985-10-21 1988-05-10 E. I. Du Pont De Nemours And Company Stable tetrafluoroethylene copolymers
IT1189092B (it) * 1986-04-29 1988-01-28 Ausimont Spa Processo di polimerizzazione in dispersione acquosa di monomeri fluorurati
IT1204903B (it) * 1986-06-26 1989-03-10 Ausimont Spa Processo di polimerizzazione in dispersione acquosa di monomeri florati
IT1223324B (it) 1987-10-28 1990-09-19 Ausimont Spa Microemulsioni acquose comprendenti perfluoropolieteri funzionali
US5285002A (en) * 1993-03-23 1994-02-08 Minnesota Mining And Manufacturing Company Fluorine-containing polymers and preparation and use thereof
JP3172983B2 (ja) * 1993-09-20 2001-06-04 ダイキン工業株式会社 ビニリデンフルオライド系重合体の水性分散液およびその製法
IT1270703B (it) * 1994-11-17 1997-05-07 Ausimont Spa Microemulsioni di fluoropoliossialchileni in miscela con idrocarburi, e loro uso in processi di (co)polimerizzazione di monomeri fluorurati
US5637748A (en) * 1995-03-01 1997-06-10 E. I. Du Pont De Nemours And Company Process for synthesizing fluorinated nitrile compounds
US5688884A (en) * 1995-08-31 1997-11-18 E. I. Du Pont De Nemours And Company Polymerization process
US5789508A (en) * 1995-08-31 1998-08-04 E. I. Du Pont De Nemours And Company Polymerization process
WO1997008214A1 (en) * 1995-08-31 1997-03-06 E.I. Du Pont De Nemours And Company Tetrafluorethylene polymerization process
IT1295535B1 (it) * 1996-07-01 1999-05-12 Ausimont Spa Processo di polimerizzazione di vinilidenfluoruro (vdf)
US5763552A (en) * 1996-07-26 1998-06-09 E. I. Du Pont De Nemours And Company Hydrogen-containing flourosurfacant and its use in polymerization
US5866711A (en) * 1996-09-13 1999-02-02 E. I. Du Pont De Nemours And Company Fluorocyanate and fluorocarbamate monomers and polymers thereof
US5969067A (en) * 1996-09-13 1999-10-19 E.I. Dupont De Nemours And Company Phosphorus-containing fluoromonomers and polymers thereof
US5998521A (en) * 1996-11-04 1999-12-07 3M Innovative Properties Company Aqueous fluoropolymer compositions and method of preparing the same
US6277485B1 (en) 1998-01-27 2001-08-21 3M Innovative Properties Company Antisoiling coatings for antireflective surfaces and methods of preparation
EP1000976A4 (en) 1998-05-29 2001-09-12 Daikin Ind Ltd SPHERULITE MICRONIZING AGENT FOR CRYSTALLINE FLUORORESIN AND CRYSTALLINE FLUORORESIN COMPOSITION CONTAINING THIS MICRONIZING AGENT
DE19850100A1 (de) * 1998-10-29 2000-05-04 Henkel Kgaa Polymer-Granulate durch Wirbelschichtgranulation
US6429258B1 (en) * 1999-05-20 2002-08-06 E. I. Du Pont De Nemours & Company Polymerization of fluoromonomers
US6482979B1 (en) 1999-12-22 2002-11-19 Dyneon Llc Perfluorinated acid fluorides and preparation thereof
US6512063B2 (en) * 2000-10-04 2003-01-28 Dupont Dow Elastomers L.L.C. Process for producing fluoroelastomers
US6613860B1 (en) 2000-10-12 2003-09-02 3M Innovative Properties Company Compositions comprising fluorinated polyether silanes for rendering substrates oil and water repellent
US7125941B2 (en) * 2001-03-26 2006-10-24 3M Innovative Properties Company Aqueous emulsion polymerization process for producing fluoropolymers
JP3900883B2 (ja) 2001-10-05 2007-04-04 ダイキン工業株式会社 含フッ素重合体ラテックスの製造方法
JP2003220393A (ja) * 2001-11-22 2003-08-05 Asahi Glass Co Ltd 含フッ素乳化剤の吸着・回収方法
US6841616B2 (en) * 2003-03-28 2005-01-11 Arkema Inc. Polymerization of halogen-containing monomers using siloxane surfactant
US6869997B2 (en) * 2003-05-06 2005-03-22 Arkema, Inc. Polymerization of fluoromonomers using a 3-allyloxy-2-hydroxy-1-propanesulfonic acid salt as surfactant
JP2004358397A (ja) 2003-06-05 2004-12-24 Daikin Ind Ltd 界面活性剤、含フッ素重合体の製造方法及び含フッ素重合体水性分散液
JP2004359870A (ja) 2003-06-05 2004-12-24 Daikin Ind Ltd 界面活性剤、含フッ素重合体の製造方法及び含フッ素重合体水性分散液
WO2005003075A1 (ja) 2003-07-02 2005-01-13 Daikin Industries, Ltd. フルオロアルキルカルボン酸誘導体、含フッ素重合体の製造方法及び含フッ素重合体水性分散液
JP3758666B2 (ja) * 2003-07-02 2006-03-22 ダイキン工業株式会社 フルオロアルキルカルボン酸誘導体、含フッ素重合体の製造方法及び含フッ素重合体水性分散液
US20050090613A1 (en) * 2003-10-22 2005-04-28 Daikin Industries, Ltd. Process for preparing fluorine-containing polymer latex
US7141537B2 (en) * 2003-10-30 2006-11-28 3M Innovative Properties Company Mixture of fluorinated polyethers and use thereof as surfactant
JP4821323B2 (ja) * 2003-10-31 2011-11-24 ダイキン工業株式会社 含フッ素重合体水性分散体の製造方法及び含フッ素重合体水性分散体
JP2006137689A (ja) * 2004-11-11 2006-06-01 Asahi Glass Co Ltd 多分枝状フッ素化合物、その製造方法およびその用途
GB0514387D0 (en) * 2005-07-15 2005-08-17 3M Innovative Properties Co Aqueous emulsion polymerization of fluorinated monomers using a perfluoropolyether surfactant
GB0525978D0 (en) * 2005-12-21 2006-02-01 3M Innovative Properties Co Fluorinated Surfactants For Making Fluoropolymers
US7795332B2 (en) * 2005-07-15 2010-09-14 3M Innovative Properties Company Method of removing fluorinated carboxylic acid from aqueous liquid
GB0514398D0 (en) * 2005-07-15 2005-08-17 3M Innovative Properties Co Aqueous emulsion polymerization of fluorinated monomers using a fluorinated surfactant
EP1939222B2 (en) 2005-10-17 2019-09-04 AGC Inc. Process for producing an AQUEOUS POLYTETRAFLUOROETHYLENE EMULSION, AND POLYTETRAFLUOROETHYLENE FINE POWDER AND POROUS MATERIAL PRODUCED FROM THE SAME
WO2007046377A1 (ja) 2005-10-20 2007-04-26 Asahi Glass Company, Limited 溶融成形可能なフッ素樹脂の製造方法
CN101291987B (zh) 2005-10-20 2012-05-09 旭硝子株式会社 聚四氟乙烯水性分散液及其制品
RU2409592C2 (ru) 2005-10-26 2011-01-20 Асахи Гласс Компани, Лимитед Фторсодержащий полимер с низким остаточным содержанием фторированного эмульгатора и способ его получения
US7824755B2 (en) * 2006-06-29 2010-11-02 3M Innovative Properties Company Fluorinated leveling agents
US8148573B2 (en) 2006-08-29 2012-04-03 Unimatec Co., Ltd. Polyfluoralkane carboxylic acid (or its salt) and process for producing the same
EP2084195B1 (en) * 2006-11-09 2011-06-08 E.I. Du Pont De Nemours And Company Aqueous polymerization of fluorinated monomers using polymerization agent comprising fluoropolyether acid or salt and hydrocarbon surfactant
EP2079766B1 (en) * 2006-11-09 2011-05-18 E.I. Du Pont De Nemours And Company Aqueous polymerization of fluorinated monomer using polymerization agent comprising high molecular weight fluoropolyether acid or salt and fluoropolyether acid or salt surfactant

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6395848B1 (en) * 1999-05-20 2002-05-28 E. I. Du Pont De Nemours And Company Polymerization of fluoromonomers
EP1334996A2 (en) * 2002-02-12 2003-08-13 Solvay Solexis S.p.A. Aqueous dispersions of fluoropolymers
CN1847333A (zh) * 2005-01-05 2006-10-18 索尔维索莱克西斯公司 Vdf基聚合物水分散体在制备用于建筑基材涂料的油漆中的应用

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