DE3909255A1 - Tetrafluorethylencopolymere - Google Patents

Tetrafluorethylencopolymere

Info

Publication number
DE3909255A1
DE3909255A1 DE3909255A DE3909255A DE3909255A1 DE 3909255 A1 DE3909255 A1 DE 3909255A1 DE 3909255 A DE3909255 A DE 3909255A DE 3909255 A DE3909255 A DE 3909255A DE 3909255 A1 DE3909255 A1 DE 3909255A1
Authority
DE
Germany
Prior art keywords
comonomer
shell
polymer
copolymer
perfluoro
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.)
Withdrawn
Application number
DE3909255A
Other languages
German (de)
English (en)
Inventor
Satish Chandra Malhotra
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.)
EIDP Inc
Original Assignee
EI Du Pont de Nemours and Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Publication of DE3909255A1 publication Critical patent/DE3909255A1/de
Withdrawn legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F259/00Macromolecular compounds obtained by polymerising monomers on to polymers of halogen containing monomers as defined in group C08F14/00
    • C08F259/08Macromolecular compounds obtained by polymerising monomers on to polymers of halogen containing monomers as defined in group C08F14/00 on to polymers containing fluorine
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S525/00Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S525/902Core-shell

Landscapes

  • 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)
  • Graft Or Block Polymers (AREA)
DE3909255A 1988-03-21 1989-03-21 Tetrafluorethylencopolymere Withdrawn DE3909255A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/171,028 US4837267A (en) 1988-03-21 1988-03-21 Tetrafluoroethylene copolymers

Publications (1)

Publication Number Publication Date
DE3909255A1 true DE3909255A1 (de) 1989-10-05

Family

ID=22622204

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3909255A Withdrawn DE3909255A1 (de) 1988-03-21 1989-03-21 Tetrafluorethylencopolymere

Country Status (4)

Country Link
US (1) US4837267A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPH01278506A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3909255A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB2216893B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4952630A (en) * 1987-12-31 1990-08-28 E. I. Du Pont De Nemours And Company Modified polytetrafluoroethylene resins and blends thereof
US4952636A (en) * 1987-12-31 1990-08-28 E. I. Du Pont De Nemours And Company Modified polytetrafluoroethylene resins and blends thereof
EP0835272B1 (en) * 1995-06-30 2000-08-30 E.I. Du Pont De Nemours And Company Modified polytetrafluoroethylene fine powder
MX9800350A (es) * 1995-07-13 1998-03-31 Du Pont Composicion dispersante de polimero de tetrafluoroetileno.
US5756620A (en) 1995-11-15 1998-05-26 E. I. Du Pont De Nemours And Company Tetrafluoroethylene polymer for improved paste extrusion
US6359030B1 (en) * 1997-10-24 2002-03-19 Daikin Industries, Ltd. Aqueous resin dispersion composition
US6136933A (en) * 1998-11-13 2000-10-24 E. I. Du Pont De Nemours And Company Process for polymerizing tetrafluoroethylene
US6177533B1 (en) 1998-11-13 2001-01-23 E. I. Du Pont De Nemours And Company Polytetrafluoroethylene resin
DE60201523T2 (de) 2001-03-13 2005-11-10 E.I. Du Pont De Nemours And Co., Wilmington Dichtsichtige dispersionen
JP5135658B2 (ja) 2001-08-02 2013-02-06 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、それから得られるポリテトラフルオロエチレン成形体およびその製造方法
WO2003062291A1 (en) * 2002-01-04 2003-07-31 E.I. Dupont De Nemours And Company Core-shell fluoropolymer dispersions
US20040092638A1 (en) * 2002-08-28 2004-05-13 Martens Marvin M. Polyamide compositions incorporating non-melt-processable fluoropolymers and processes associated therewith
US7347960B2 (en) * 2003-12-31 2008-03-25 E. I. Du Pont De Nemours And Company Dispersion spinning core-shell fluoropolymers
ATE540061T1 (de) * 2004-11-16 2012-01-15 Daikin Ind Ltd Feines pulver aus modifiziertem polytetrafluorethylen und formkörper aus modifiziertem polytetrafluorethylen
US7612139B2 (en) * 2005-05-20 2009-11-03 E.I. Du Pont De Nemours And Company Core/shell fluoropolymer dispersions with low fluorosurfactant content
US7390448B2 (en) * 2005-08-05 2008-06-24 E.I. Du Pont De Nemours And Company Spinning low fluorosurfactant fluoropolymer dispersions
US7763680B2 (en) * 2005-11-18 2010-07-27 E.I. Du Pont De Nemours And Company Melt-fabricable core/shell perfluoropolymer
US9650479B2 (en) 2007-10-04 2017-05-16 W. L. Gore & Associates, Inc. Dense articles formed from tetrafluoroethylene core shell copolymers and methods of making the same
US8637144B2 (en) * 2007-10-04 2014-01-28 W. L. Gore & Associates, Inc. Expandable TFE copolymers, method of making, and porous, expended articles thereof
US9040646B2 (en) 2007-10-04 2015-05-26 W. L. Gore & Associates, Inc. Expandable TFE copolymers, methods of making, and porous, expanded articles thereof
US20100036053A1 (en) * 2008-08-08 2010-02-11 E.I. Du Pont De Nemours And Company Aqueous Polymerization Process for the Manufacture of Fluoropolymer Comprising Repeating Units Arising from a Perfluoromonomer and a Monomer Having a Functional Group and a Polymerizable Carbon-Carbon Double Bond
US20100036074A1 (en) * 2008-08-08 2010-02-11 E. I. Du Pont De Nemours And Company Melt-Flowable Fluoropolymer Comprising Repeating Units Arising from Tetrafluoroethylene and a Hydrocarbon Monomer Having a Functional Group and a Polymerizable Carbon-Carbon Double Bond
US20100034919A1 (en) * 2008-08-08 2010-02-11 E. I. Du Pont De Nemours And Company Melt Processible Semicrystalline Fluoropolymer having Repeating Units Arising from Tetrafluoroethylene, Hexafluoropropylene, and Hydrocarbon Monomer Having a Carboxyl Group and a Polymerizable Carbon-Carbon Double Bond and Multi-Layer Articles Comprising a Layer of the Melt Processible Semicrystalline Fluoropolymer
US20100036073A1 (en) * 2008-08-08 2010-02-11 E. I. Du Pont De Nemours And Company Non-Melt-Flowable Perfluoropolymer Comprising Repeating Units Arising From Tetrafluoroethylene and a Monomer Having a Functional Group and a Polymerizable Carbon-Carbon Double Bond
US20100034504A1 (en) * 2008-08-08 2010-02-11 E.I. Du Pont De Nemours And Company Melt Processible Semicrystalline Fluoropolymer Comprising Repeating Units Arising from Tetrafluoroethylene and a Hydrocarbon Monomer Having a Functional Group and a Polymerizable Carbon-Carbon Double Bond, and Multilayer Articles Therefrom
US9644054B2 (en) 2014-12-19 2017-05-09 W. L. Gore & Associates, Inc. Dense articles formed from tetrafluoroethylene core shell copolymers and methods of making the same
JP6583650B2 (ja) * 2015-04-22 2019-10-02 Agc株式会社 変性ポリテトラフルオロエチレンファインパウダーおよびその製造方法、ならびにこれを用いた電線およびチューブ
JP7153439B2 (ja) * 2016-12-28 2022-10-14 三井・ケマーズ フロロプロダクツ株式会社 ポリテトラフルオロエチレン組成物

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4391940A (en) * 1979-12-12 1983-07-05 Hoechst Aktiengesellschaft Fluoropolymers with shell-modified particles, and processes for their preparation
EP0257644A2 (en) * 1986-08-27 1988-03-02 Daikin Industries, Limited Modified polytetrafluoroethylene fine powder and production of the same

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US31907A (en) * 1861-04-02 Improvement in mowing-machines
US3142665A (en) * 1960-07-26 1964-07-28 Du Pont Novel tetrafluoroethylene resins and their preparation
US3819594A (en) * 1972-05-17 1974-06-25 Du Pont Tetrafluoroethylene fine powder resin of a copolymer of tetrafluoroethylene and perfluoro(alkyl vinyl ether)
US4129618A (en) * 1974-05-16 1978-12-12 Imperial Chemical Industries Limited Tetrafluoroethylene polymers
USRE31907E (en) 1975-09-24 1985-06-04 E. I. Du Pont De Nemours And Company Tetrafluoroethylene copolymer fine powder resin

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4391940A (en) * 1979-12-12 1983-07-05 Hoechst Aktiengesellschaft Fluoropolymers with shell-modified particles, and processes for their preparation
EP0257644A2 (en) * 1986-08-27 1988-03-02 Daikin Industries, Limited Modified polytetrafluoroethylene fine powder and production of the same

Also Published As

Publication number Publication date
JPH01278506A (ja) 1989-11-08
GB8906348D0 (en) 1989-05-04
JPH0415247B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-03-17
US4837267A (en) 1989-06-06
GB2216893B (en) 1992-11-25
GB2216893A (en) 1989-10-18

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8125 Change of the main classification

Ipc: C08F214/26

8139 Disposal/non-payment of the annual fee