DE60217944T2 - Verfahren zur Herstellung von nicht thermisch verarbeitbaren Feinpulvern eines homopolymeren oder modifizierten PTFE - Google Patents

Verfahren zur Herstellung von nicht thermisch verarbeitbaren Feinpulvern eines homopolymeren oder modifizierten PTFE Download PDF

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Publication number
DE60217944T2
DE60217944T2 DE60217944T DE60217944T DE60217944T2 DE 60217944 T2 DE60217944 T2 DE 60217944T2 DE 60217944 T DE60217944 T DE 60217944T DE 60217944 T DE60217944 T DE 60217944T DE 60217944 T2 DE60217944 T2 DE 60217944T2
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DE
Germany
Prior art keywords
ptfe
latex
gel
fine powder
powder
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE60217944T
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German (de)
English (en)
Other versions
DE60217944D1 (de
Inventor
Valery Kapeliouchko
Hua 20021 Bollate Wu
Giovanna Palamone
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Syensqo Specialty Polymers Italy SpA
Original Assignee
Solvay Solexis SpA
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Publication date
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Publication of DE60217944D1 publication Critical patent/DE60217944D1/de
Publication of DE60217944T2 publication Critical patent/DE60217944T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00Processes of treating or compounding macromolecular substances
    • C08J3/12Powdering or granulating
    • C08J3/16Powdering or granulating by coagulating dispersions
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2327/00Characterised by the use 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; Derivatives of such polymers
    • C08J2327/02Characterised by the use 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; Derivatives of such polymers not modified by chemical after-treatment
    • C08J2327/12Characterised by the use 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; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
    • C08J2327/18Homopolymers or copolymers of tetrafluoroethylene

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  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
DE60217944T 2001-07-26 2002-07-23 Verfahren zur Herstellung von nicht thermisch verarbeitbaren Feinpulvern eines homopolymeren oder modifizierten PTFE Expired - Fee Related DE60217944T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2001MI001615A ITMI20011615A1 (it) 2001-07-26 2001-07-26 Processo di ottenimento di p0lveri fini non termoprocessabili di ptfeomopolimero o ptfe modificato
ITMI20011615 2001-07-26

Publications (2)

Publication Number Publication Date
DE60217944D1 DE60217944D1 (de) 2007-03-22
DE60217944T2 true DE60217944T2 (de) 2007-09-20

Family

ID=11448154

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60217944T Expired - Fee Related DE60217944T2 (de) 2001-07-26 2002-07-23 Verfahren zur Herstellung von nicht thermisch verarbeitbaren Feinpulvern eines homopolymeren oder modifizierten PTFE

Country Status (5)

Country Link
US (1) US6790932B2 (https=)
EP (1) EP1279693B1 (https=)
JP (1) JP2003055467A (https=)
DE (1) DE60217944T2 (https=)
IT (1) ITMI20011615A1 (https=)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20011614A1 (it) * 2001-07-26 2003-01-26 Ausimont Spa Processo di purificazione di copolimeri termoprocessabili del tetrafluoroetilene
EP1995269B1 (en) * 2001-10-24 2017-10-04 Daikin Industries, Ltd. PTFE powder and method of producing PTFE molding powders
US7323506B2 (en) * 2004-12-02 2008-01-29 Natural Resources Canada High performance P(VDF-TrFE) copolymer for pyroelectric conversion
ITMI20051397A1 (it) * 2005-07-21 2007-01-22 Solvay Solexis Spa Polveri fini di fluoropolimeri
EP2205646B1 (en) * 2007-10-22 2011-04-13 Solvay Solexis S.p.A. Process for preparing fine dried powders of melt-processable or non-melt-processable tfe (co)polymers
JP5705126B2 (ja) * 2009-10-30 2015-04-22 株式会社クレハ 熱処理済フッ化ビニリデン系重合体粉末の製造方法およびフッ化ビニリデン系重合体溶液の製造方法
CN103270060B (zh) 2010-12-22 2016-02-24 索尔维特殊聚合物意大利有限公司 偏二氟乙烯以及三氟乙烯聚合物
US9441054B2 (en) 2010-12-22 2016-09-13 Solvay Specialty Polymers Italy S.P.A. Vinylidene fluoride copolymers
JP7026428B2 (ja) * 2019-08-20 2022-02-28 日揮触媒化成株式会社 澱粉を含む粒子とその製造方法、および化粧料
WO2023054723A1 (ja) * 2021-09-30 2023-04-06 ダイキン工業株式会社 ポリテトラフルオロエチレンファインパウダー
JP2024543269A (ja) 2021-11-29 2024-11-20 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. 電池電極及びその作製方法
JP2025528548A (ja) 2022-09-08 2025-08-28 スペシャルティ オペレーションズ フランス 電池電極及びその作製方法
WO2024078923A1 (en) 2022-10-10 2024-04-18 Solvay Specialty Polymers Italy S.P.A. Battery electrode and method of making the same
CN121153127A (zh) 2023-03-09 2025-12-16 世索科特殊聚合物意大利有限公司 电池电极及其制造方法
KR20260028701A (ko) 2023-06-26 2026-03-04 사이언스코 스페셜티 폴리머스 이태리 에스.피.에이. 전지 전극 및 이의 제조 방법
CN121399735A (zh) 2023-06-26 2026-01-23 世索科特殊聚合物意大利有限公司 电池电极及其制造方法
WO2025181300A1 (en) 2024-03-01 2025-09-04 Syensqo Specialty Polymers Italy S.p.A. Acrylate polymers as additives in battery electrodes
WO2025228665A1 (en) 2024-04-29 2025-11-06 Syensqo Specialty Polymers Italy S.p.A. Battery electrode and method of making the same

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2593583A (en) * 1951-03-14 1952-04-22 Du Pont Method for coagulating aqueous dispersions of polytetrafluoroethylene
US3046283A (en) 1957-08-19 1962-07-24 Merck & Co Inc 10-(omega-aminoalkylidene)-thioxanthenes
US3046263A (en) * 1959-07-10 1962-07-24 Du Pont Coagulation of colloidal polytetrafluoroethylene dispersions
US3752789A (en) * 1971-08-20 1973-08-14 Du Pont Isolation of a fluoropolymer from a latex
USRE30378E (en) * 1977-09-12 1980-08-19 E. I. Dupont De Nemours And Company Process for recovery of polymers from their dispersions in liquids
US4675380A (en) * 1985-10-25 1987-06-23 E. I. Du Pont De Nemours And Company Melt-processible tetrafluoroethylene/perfluoroolefin copolymer granules and processes for preparing them
IT1204903B (it) 1986-06-26 1989-03-10 Ausimont Spa Processo di polimerizzazione in dispersione acquosa di monomeri florati
IL82308A (en) * 1986-06-26 1990-11-29 Ausimont Spa Microemulsions containing perfluoropolyethers
US5077359A (en) * 1989-10-26 1991-12-31 E. I. Du Pont De Nemours And Company Peroxide-curable fluoroelastomers and chlorofluoroelastomers having bromine and iodine curesites and the preparation
DE4233824A1 (de) * 1992-10-08 1994-04-14 Hoechst Ag Verfahren zur Aufarbeitung wäßriger Dispersionen von Fluorthermoplasten
US5391709A (en) * 1993-11-17 1995-02-21 E. I. Du Pont De Nemours And Company Purification process of PTFE using fiber bed and heated air
JPH11246607A (ja) * 1998-02-27 1999-09-14 Asahi Glass Co Ltd ポリテトラフルオロエチレンを含む水性分散液の製造方法
ITMI981519A1 (it) 1998-07-02 2000-01-02 Ausimont Spa Processodi polimerizzazione del tfe
US6593416B2 (en) * 2000-02-01 2003-07-15 3M Innovative Properties Company Fluoropolymers

Also Published As

Publication number Publication date
EP1279693B1 (en) 2007-01-31
EP1279693A2 (en) 2003-01-29
US6790932B2 (en) 2004-09-14
ITMI20011615A1 (it) 2003-01-26
US20030088055A1 (en) 2003-05-08
JP2003055467A (ja) 2003-02-26
EP1279693A3 (en) 2004-01-07
DE60217944D1 (de) 2007-03-22
ITMI20011615A0 (it) 2001-07-26

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8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee