DE69624494D1 - Verfahren zur polymerisation von tetrafluorethylen - Google Patents

Verfahren zur polymerisation von tetrafluorethylen

Info

Publication number
DE69624494D1
DE69624494D1 DE69624494T DE69624494T DE69624494D1 DE 69624494 D1 DE69624494 D1 DE 69624494D1 DE 69624494 T DE69624494 T DE 69624494T DE 69624494 T DE69624494 T DE 69624494T DE 69624494 D1 DE69624494 D1 DE 69624494D1
Authority
DE
Germany
Prior art keywords
tetrafluorethylene
polymerization
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 - Lifetime
Application number
DE69624494T
Other languages
English (en)
Other versions
DE69624494T2 (de
Inventor
Edward Baker
John Zipfel
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
Priority claimed from US08/685,085 external-priority patent/US5789508A/en
Priority claimed from US08/700,258 external-priority patent/US5688884A/en
Application filed by EI Du Pont de Nemours and Co filed Critical EI Du Pont de Nemours and Co
Application granted granted Critical
Publication of DE69624494D1 publication Critical patent/DE69624494D1/de
Publication of DE69624494T2 publication Critical patent/DE69624494T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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

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)
DE69624494T 1995-08-31 1996-08-23 Verfahren zur polymerisation von tetrafluorethylen Expired - Lifetime DE69624494T2 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US309795P 1995-08-31 1995-08-31
US308595P 1995-08-31 1995-08-31
US08/685,085 US5789508A (en) 1995-08-31 1996-07-23 Polymerization process
US08/700,258 US5688884A (en) 1995-08-31 1996-08-20 Polymerization process
PCT/US1996/013679 WO1997008214A1 (en) 1995-08-31 1996-08-23 Tetrafluorethylene polymerization process

Publications (2)

Publication Number Publication Date
DE69624494D1 true DE69624494D1 (de) 2002-11-28
DE69624494T2 DE69624494T2 (de) 2003-06-05

Family

ID=27485239

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69624494T Expired - Lifetime DE69624494T2 (de) 1995-08-31 1996-08-23 Verfahren zur polymerisation von tetrafluorethylen

Country Status (4)

Country Link
EP (1) EP0847407B1 (de)
JP (1) JP3626202B2 (de)
DE (1) DE69624494T2 (de)
WO (1) WO1997008214A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19857111A1 (de) 1998-12-11 2000-06-15 Dyneon Gmbh Wäßrige Dispersionen von Fluorpolymeren
IT1317847B1 (it) 2000-02-22 2003-07-15 Ausimont Spa Processo per la preparazione di dispersioni acquose di fluoropolimeri.
US6794550B2 (en) 2000-04-14 2004-09-21 3M Innovative Properties Company Method of making an aqueous dispersion of fluoropolymers
US6774164B2 (en) * 2000-09-22 2004-08-10 Dupont Dow Elastomers L.L.C. Process for producing fluoroelastomers with fluorinated anionic surfactants
JP2002308914A (ja) * 2001-04-17 2002-10-23 Daikin Ind Ltd 含フッ素重合体ラテックスの製造方法
ITMI20020260A1 (it) 2002-02-12 2003-08-12 Ausimont Spa Dispersioni acquose di fluoropolimeri
FR2871461A1 (fr) * 2004-12-10 2005-12-16 Arkema Sa Procede de fabrication de polymere fluore et agents surfactants pour ce procede
EP1939222B2 (de) 2005-10-17 2019-09-04 AGC Inc. Verfahren zur herstellung einer wässrige polytetrafluorethylenmulsion und feines polytetrafluorethylenpulver sowie daraus hergestelltes poröses material
EP1845116A1 (de) 2006-04-11 2007-10-17 Solvay Solexis S.p.A. Reinigungsverfahren für Fluorpolymer-Dispersionen
WO2008060460A1 (en) * 2006-11-09 2008-05-22 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
CN105683223B (zh) * 2013-09-30 2021-06-04 阿科玛股份有限公司 热稳定的聚偏二氟乙烯聚合物组合物
US10947348B2 (en) * 2016-06-27 2021-03-16 3M Innovative Properties Company Fluorochemical piperazine carboxamides

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2286153A1 (fr) * 1974-09-24 1976-04-23 Ugine Kuhlmann Procede de polymerisation ou de copolymerisation en emulsion du fluorure de vinylidene
US4380618A (en) * 1981-08-21 1983-04-19 E. I. Du Pont De Nemours And Company Batch polymerization process
EP0103975B1 (de) * 1982-08-11 1986-11-26 E.I. Du Pont De Nemours And Company Suspensionspolymerisationsverfahren von Tetrafluorethylen
US4482685A (en) * 1982-09-30 1984-11-13 Allied Corporation Copolymerization of ethylene and chlorotrifluoroethylene in an aqueous emulsion

Also Published As

Publication number Publication date
EP0847407A1 (de) 1998-06-17
DE69624494T2 (de) 2003-06-05
JPH11512133A (ja) 1999-10-19
WO1997008214A1 (en) 1997-03-06
JP3626202B2 (ja) 2005-03-02
EP0847407B1 (de) 2002-10-23

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Legal Events

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