DE69415992D1 - Lösungen von perfluorierten polymeren in überkritischem co2 - Google Patents

Lösungen von perfluorierten polymeren in überkritischem co2

Info

Publication number
DE69415992D1
DE69415992D1 DE69415992T DE69415992T DE69415992D1 DE 69415992 D1 DE69415992 D1 DE 69415992D1 DE 69415992 T DE69415992 T DE 69415992T DE 69415992 T DE69415992 T DE 69415992T DE 69415992 D1 DE69415992 D1 DE 69415992D1
Authority
DE
Germany
Prior art keywords
perfluored
supercritical
polymer solutions
polymer
solutions
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
DE69415992T
Other languages
English (en)
Other versions
DE69415992T2 (de
Inventor
Gregory Dee
William Tuminello
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
Application granted granted Critical
Publication of DE69415992D1 publication Critical patent/DE69415992D1/de
Publication of DE69415992T2 publication Critical patent/DE69415992T2/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
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
    • C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
    • C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
    • C08J9/122—Hydrogen, oxygen, CO2, nitrogen or noble gases
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2327/00—Characterised 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
    • C08J2327/02—Characterised 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
    • C08J2327/12—Characterised 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
    • C08J2327/18—Homopolymers or copolymers of tetrafluoroethylene
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/54—Improvements relating to the production of bulk chemicals using solvents, e.g. supercritical solvents or ionic liquids
DE69415992T 1993-10-29 1994-10-20 Lösungen von perfluorierten polymeren in überkritischem co2 Expired - Lifetime DE69415992T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14536693A 1993-10-29 1993-10-29
PCT/US1994/011729 WO1995011935A1 (en) 1993-10-29 1994-10-20 Solutions of perfluorinated polymers in supercritical co¿2?

Publications (2)

Publication Number Publication Date
DE69415992D1 true DE69415992D1 (de) 1999-02-25
DE69415992T2 DE69415992T2 (de) 1999-08-12

Family

ID=22512779

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69415992T Expired - Lifetime DE69415992T2 (de) 1993-10-29 1994-10-20 Lösungen von perfluorierten polymeren in überkritischem co2

Country Status (6)

Country Link
US (1) US5530049A (de)
EP (1) EP0725804B1 (de)
JP (1) JP3564136B2 (de)
CN (1) CN1067411C (de)
DE (1) DE69415992T2 (de)
WO (1) WO1995011935A1 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2125965A1 (en) * 1991-12-18 1993-06-24 Michelle A. De Crosta Method for removing residual additives from elastomeric articles
US5863612A (en) * 1992-03-27 1999-01-26 University North Carolina--Chapel Hill Method of making fluoropolymers
MX9606615A (es) * 1994-07-08 1997-04-30 Minnesota Mining & Mfg Reaccion superatmosferica.
US5618894A (en) * 1995-03-10 1997-04-08 The University Of North Carolina Nonaqueous polymerization of fluoromonomers
US5674957A (en) * 1995-03-10 1997-10-07 The University Of North Carolina At Chapel Hill Nonaqueous polymerization of fluoromonomers
US5645894A (en) * 1996-01-17 1997-07-08 The Gillette Company Method of treating razor blade cutting edges
US5830923A (en) * 1996-05-22 1998-11-03 E. I. Du Pont De Nemours And Company Foamed fluoropolymer
US5821273A (en) * 1996-05-22 1998-10-13 E. I. Du Pont De Nemours And Company Extrusion foaming of fluoropolymers
US5885494A (en) * 1996-05-22 1999-03-23 E. I. Du Pont De Nemours And Company Method of forming foamed fluoropolymer composites
US5696195A (en) * 1996-06-04 1997-12-09 E. I. Du Pont De Nemours And Company Solutions of perfluorinated polymers in SF6 with or without CO2
US6287640B1 (en) 1997-05-30 2001-09-11 Micell Technologies, Inc. Surface treatment of substrates with compounds that bind thereto
US6344243B1 (en) 1997-05-30 2002-02-05 Micell Technologies, Inc. Surface treatment
US6165560A (en) * 1997-05-30 2000-12-26 Micell Technologies Surface treatment
EP0986667B1 (de) 1997-05-30 2009-01-07 Micell Integrated Systems, Inc. Oberflächebehandlung
US6034170A (en) * 1997-10-17 2000-03-07 E. I. Du Pont De Nemours And Company Solutions of fluoropolymers in carbon dioxide
JP4797216B2 (ja) * 1999-03-05 2011-10-19 コニカミノルタホールディングス株式会社 ポリマー溶液の調製方法、ポリマーフィルムの製造方法及びポリマーフィルム
US6429284B2 (en) * 2000-05-18 2002-08-06 Matsushita Electric Industrial Co., Ltd. Method for treating flame retardant resin composition
US6960633B2 (en) * 2001-10-25 2005-11-01 Virginia Commonwealth University Fluoropolymer-carbon dioxide compositions and methods of processing fluoropolymers
AR082900A1 (es) 2010-09-10 2013-01-16 Green Source Energy Llc Composiciones y metodos para reciclar plasticos que comprenden polimeros mediante el tratamiento de solvente

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0549806A (ja) * 1991-08-15 1993-03-02 Chlorine Eng Corp Ltd ポリ（パーフルオロアルキルエーテル）の分子量による分画化方法
DE4204176A1 (de) * 1992-02-13 1993-08-19 Deutsches Textilforschzentrum Verfahren zur aufarbeitung von polyurethanhaltigen werkstoffen
US5496901A (en) * 1992-03-27 1996-03-05 University Of North Carolina Method of making fluoropolymers

Also Published As

Publication number Publication date
DE69415992T2 (de) 1999-08-12
EP0725804A1 (de) 1996-08-14
CN1067411C (zh) 2001-06-20
US5530049A (en) 1996-06-25
CN1134161A (zh) 1996-10-23
WO1995011935A1 (en) 1995-05-04
EP0725804B1 (de) 1999-01-13
JP3564136B2 (ja) 2004-09-08
JPH09504326A (ja) 1997-04-28

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Legal Events

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8364 No opposition during term of opposition