WO2002088206A3 - Emulsifier free aqueous emulsion polymerization process for making fluoropolymers - Google Patents

Emulsifier free aqueous emulsion polymerization process for making fluoropolymers Download PDF

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Publication number
WO2002088206A3
WO2002088206A3 PCT/US2002/013641 US0213641W WO02088206A3 WO 2002088206 A3 WO2002088206 A3 WO 2002088206A3 US 0213641 W US0213641 W US 0213641W WO 02088206 A3 WO02088206 A3 WO 02088206A3
Authority
WO
WIPO (PCT)
Prior art keywords
emulsion polymerization
polymerization process
aqueous emulsion
free aqueous
emulsifier free
Prior art date
Application number
PCT/US2002/013641
Other languages
French (fr)
Other versions
WO2002088206A2 (en
Inventor
Harald Kaspar
Klaus Hintzer
Greta Dewitte
Original Assignee
3M Innovative Properties 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 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Priority to EP02725867A priority Critical patent/EP1383811B1/en
Priority to DE60234513T priority patent/DE60234513D1/en
Priority to JP2002585503A priority patent/JP2004525239A/en
Priority to CA002445998A priority patent/CA2445998A1/en
Priority to AT02725867T priority patent/ATE449799T1/en
Publication of WO2002088206A2 publication Critical patent/WO2002088206A2/en
Publication of WO2002088206A3 publication Critical patent/WO2002088206A3/en

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    • 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
    • C08F214/00Copolymers 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
    • C08F214/18Monomers containing fluorine
    • 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
    • C08F14/00Homopolymers 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
    • C08F14/18Monomers containing fluorine
    • 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
    • C08F14/00Homopolymers 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
    • C08F14/18Monomers containing fluorine
    • C08F14/22Vinylidene fluoride
    • 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
    • C08F14/00Homopolymers 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
    • C08F14/18Monomers containing fluorine
    • C08F14/26Tetrafluoroethene
    • 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
    • C08F2/00Processes of polymerisation
    • C08F2/12Polymerisation in non-solvents
    • C08F2/16Aqueous medium
    • C08F2/22Emulsion polymerisation

Abstract

Emulsifier free fluoropolymer manufacturing method in which (a) a mixture of an oxidizing agent and reducing agent is used to start the polymerization and where one or the other but not both, are further added during polymerization, or (b) an oxidizing metal ion is added to start polymerization and where additional oxidizing metal ion is added during polymerization.
PCT/US2002/013641 2001-05-02 2002-04-30 Emulsifier free aqueous emulsion polymerization process for making fluoropolymers WO2002088206A2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP02725867A EP1383811B1 (en) 2001-05-02 2002-04-30 Emulsifier free aqueous emulsion polymerization process for making fluoropolymers
DE60234513T DE60234513D1 (en) 2001-05-02 2002-04-30 EMULSIFY-FREE PROCESS FOR THE PRODUCTION OF FLOUR POLYMERS BY EMULSION POLYMERIZATION IN WATER
JP2002585503A JP2004525239A (en) 2001-05-02 2002-04-30 Emulsifier-free aqueous emulsion polymerization process for producing fluoropolymers
CA002445998A CA2445998A1 (en) 2001-05-02 2002-04-30 Emulsifier free aqueous emulsion polymerization process for making fluoropolymers
AT02725867T ATE449799T1 (en) 2001-05-02 2002-04-30 EMULGATOR-FREE PROCESS FOR PRODUCING FLOURPOLYMERS BY EMULSION POLYMERIZATION IN WATER

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US28817201P 2001-05-02 2001-05-02
US60/288,172 2001-05-02

Publications (2)

Publication Number Publication Date
WO2002088206A2 WO2002088206A2 (en) 2002-11-07
WO2002088206A3 true WO2002088206A3 (en) 2003-01-03

Family

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Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/US2002/013641 WO2002088206A2 (en) 2001-05-02 2002-04-30 Emulsifier free aqueous emulsion polymerization process for making fluoropolymers
PCT/US2002/013691 WO2002088207A1 (en) 2001-05-02 2002-04-30 Emulsifier free aqueous emulsion polymerization process for making fluoropolymers

Family Applications After (1)

Application Number Title Priority Date Filing Date
PCT/US2002/013691 WO2002088207A1 (en) 2001-05-02 2002-04-30 Emulsifier free aqueous emulsion polymerization process for making fluoropolymers

Country Status (8)

Country Link
US (2) US6693152B2 (en)
EP (2) EP1392744B1 (en)
JP (2) JP2004528451A (en)
CN (3) CN1256355C (en)
AT (2) ATE400592T1 (en)
CA (2) CA2445998A1 (en)
DE (2) DE60227508D1 (en)
WO (2) WO2002088206A2 (en)

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