ZA200410285B - Process for reducing the amount of fluorinated surfactant in aqueous fluropolymer dispersions. - Google Patents

Process for reducing the amount of fluorinated surfactant in aqueous fluropolymer dispersions.

Info

Publication number
ZA200410285B
ZA200410285B ZA200410285A ZA200410285A ZA200410285B ZA 200410285 B ZA200410285 B ZA 200410285B ZA 200410285 A ZA200410285 A ZA 200410285A ZA 200410285 A ZA200410285 A ZA 200410285A ZA 200410285 B ZA200410285 B ZA 200410285B
Authority
ZA
South Africa
Prior art keywords
fluoropolymer dispersion
amount
aqueous
aqueous fluoropolymer
anion exchange
Prior art date
Application number
ZA200410285A
Other languages
English (en)
Inventor
Rebekka Epsch
Gernot Loehr
Klaus Hintzer
Werner Schwertfeger
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=29286201&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ZA200410285(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Publication of ZA200410285B publication Critical patent/ZA200410285B/xx

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
    • C08F6/00—Post-polymerisation treatments
    • C08F6/14—Treatment of polymer emulsions
    • C08F6/16—Purification
    • 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
    • C08F6/00—Post-polymerisation treatments
    • C08F6/14—Treatment of polymer emulsions
    • C08F6/20—Concentration
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00—Compositions 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; Compositions of derivatives of such polymers
    • C08L27/02—Compositions 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; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/12—Compositions 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; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms

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)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
ZA200410285A 2002-05-22 2004-12-21 Process for reducing the amount of fluorinated surfactant in aqueous fluropolymer dispersions. ZA200410285B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP02100547A EP1364972B1 (en) 2002-05-22 2002-05-22 Process for reducing the amount of fluorinated surfactant in aqueous fluoropolymer dispersions

Publications (1)

Publication Number Publication Date
ZA200410285B true ZA200410285B (en) 2006-02-22

Family

ID=29286201

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200410285A ZA200410285B (en) 2002-05-22 2004-12-21 Process for reducing the amount of fluorinated surfactant in aqueous fluropolymer dispersions.

Country Status (11)

Country Link
US (2) US6825250B2 (xx)
EP (1) EP1364972B1 (xx)
JP (1) JP4351155B2 (xx)
CN (1) CN1656128A (xx)
AT (1) ATE338073T1 (xx)
AU (1) AU2003234457A1 (xx)
CA (1) CA2484299A1 (xx)
DE (1) DE60214343T2 (xx)
RU (1) RU2319712C2 (xx)
WO (1) WO2003099879A1 (xx)
ZA (1) ZA200410285B (xx)

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US7279522B2 (en) 2001-09-05 2007-10-09 3M Innovative Properties Company Fluoropolymer dispersions containing no or little low molecular weight fluorinated surfactant
RU2342403C2 (ru) * 2002-10-31 2008-12-27 Зм Инновейтив Пропертиз Компани Полимеризация в водной эмульсии без эмульгатора для получения сополимеров фторированного олефина и углеводородного олефина
EP1441014A1 (en) * 2003-01-22 2004-07-28 3M Innovative Properties Company Aqueous fluoropolymer dispersion comprising a melt processible fluoropolymer and having a reduced amount of fluorinated surfactant
ATE302243T1 (de) * 2003-02-28 2005-09-15 3M Innovative Properties Co Fluoropolymerdispersion enthaltend kein oder wenig fluorhaltiges netzmittel mit niedrigem molekulargewicht
EP1462465B1 (en) * 2003-03-25 2012-02-22 3M Innovative Properties Company Melt-processible thermoplastic fluoropolymers having improved processing characteristics and method of producing the same
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EP1533325B1 (en) * 2003-11-17 2011-10-19 3M Innovative Properties Company Aqueous dispersions of polytetrafluoroethylene having a low amount of fluorinated surfactant
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EP1561729A1 (en) 2004-02-05 2005-08-10 3M Innovative Properties Company Removal of fluorinated surfactants from waste water
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DE602004016136D1 (de) * 2004-07-05 2008-10-09 3M Innovative Properties Co Grundierung aus PTFE für Metallsubstrate
US20060014887A1 (en) * 2004-07-19 2006-01-19 3M Innovative Properties Company Method of hydrolyzing a dispersion of ionic fluoropolymer
US7304101B2 (en) * 2004-07-19 2007-12-04 3M Innovative Properties Company Method of purifying a dispersion of ionic fluoropolymer
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US20070023360A1 (en) 2005-08-01 2007-02-01 Noelke Charles J Removing fluorosurfactant from aqueous fluoropolymer dispersion using sorbent pouches
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US7659329B2 (en) * 2004-12-22 2010-02-09 E. I. Du Pont De Nemours And Company Removing fluorosurfactant from aqueous fluoropolymer dispersions using monodisperse ion exchange resin
US20060135681A1 (en) 2004-12-22 2006-06-22 Cavanaugh Robert J Viscosity control for reduced fluorosurfactant aqueous fluoropolymer dispersions by the addition of cationic surfactant
US7666927B2 (en) * 2004-12-22 2010-02-23 E.I. Du Pont De Nemours And Company Removing fluorosurfactant from aqueous fluoropolymer dispersions using anion exchange polymer with functional groups resistant to degradation to trialkylamines
US7619018B2 (en) * 2004-12-22 2009-11-17 E.I. Du Pont De Nemours And Company Process for removing fluorosurfactant from aqueous fluoropolymer dispersions and reducing scum formation
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US20060178472A1 (en) * 2005-02-10 2006-08-10 Johnson David W Process for producing low fluorosurfactant-containing aqueous fluoropolymer dispersions with controlled pH
US7671111B2 (en) 2005-02-10 2010-03-02 E.I. Du Pont De Nemours And Company Monitoring column breakthrough in a process for removing fluorosurfactant from aqueous fluoropolymer dispersions
US20060183842A1 (en) * 2005-02-10 2006-08-17 Johnson David W Fluoropolymer dispersions with reduced fluorosurfactant content and high shear stability
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EP1700869A1 (en) * 2005-03-11 2006-09-13 3M Innovative Properties Company Recovery of fluorinated surfactants from a basic anion exchange resin having quaternary ammonium groups
US20060270780A1 (en) * 2005-05-25 2006-11-30 Ping Xu High purity perfluoroelastomer composites and a processes to produce the same
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US7514484B2 (en) * 2005-06-06 2009-04-07 Asahi Glass Company, Limited Aqueous dispersion of polytetrafluoroethylene and process for its production
GB2427170A (en) * 2005-06-17 2006-12-20 3M Innovative Properties Co Fluoropolymer film having glass microspheres
JP4956925B2 (ja) * 2005-07-13 2012-06-20 旭硝子株式会社 ポリテトラフルオロエチレン水性分散液およびその製造方法
GB0514387D0 (en) * 2005-07-15 2005-08-17 3M Innovative Properties Co Aqueous emulsion polymerization of fluorinated monomers using a perfluoropolyether surfactant
GB0525978D0 (en) * 2005-12-21 2006-02-01 3M Innovative Properties Co Fluorinated Surfactants For Making Fluoropolymers
GB0523853D0 (en) 2005-11-24 2006-01-04 3M Innovative Properties Co Fluorinated surfactants for use in making a fluoropolymer
US20070025902A1 (en) * 2005-07-15 2007-02-01 3M Innovative Properties Company Recovery of fluorinated carboxylic acid from adsorbent particles
US20080015304A1 (en) * 2006-07-13 2008-01-17 Klaus Hintzer Aqueous emulsion polymerization process for producing fluoropolymers
GB0514398D0 (en) 2005-07-15 2005-08-17 3M Innovative Properties Co Aqueous emulsion polymerization of fluorinated monomers using a fluorinated surfactant
ITMI20051397A1 (it) * 2005-07-21 2007-01-22 Solvay Solexis Spa Polveri fini di fluoropolimeri
JP5106396B2 (ja) * 2005-08-08 2012-12-26 アーケマ・インコーポレイテッド 非フッ素化界面活性剤を用いたフルオロポリマーの重合
JP4792873B2 (ja) * 2005-08-19 2011-10-12 旭硝子株式会社 精製ポリテトラフルオロエチレン水性分散液の製造方法
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GB0625071D0 (en) * 2006-12-15 2007-01-24 3M Innovative Properties Co Process for removing fluorinated emulsifier from fluoropolmer dispersions using an ion-exchange resin and dispersions obtained therefrom
US20100084343A1 (en) * 2007-02-16 2010-04-08 Mader Brian T System and process for the removal of fluorochemicals from water
US20100072134A1 (en) * 2007-03-06 2010-03-25 Mader Brian T Ultrasonically induced cavitation of fluorochemicals
US20080264864A1 (en) * 2007-04-27 2008-10-30 3M Innovative Properties Company PROCESS FOR REMOVING FLUORINATED EMULSIFIER FROM FLUOROPOLMER DISPERSIONS USING AN ANION-EXCHANGE RESIN AND A pH-DEPENDENT SURFACTANT AND FLUOROPOLYMER DISPERSIONS CONTAINING A pH-DEPENDENT SURFACTANT
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Also Published As

Publication number Publication date
ATE338073T1 (de) 2006-09-15
DE60214343T2 (de) 2007-03-29
JP4351155B2 (ja) 2009-10-28
WO2003099879A1 (en) 2003-12-04
JP2006515375A (ja) 2006-05-25
EP1364972B1 (en) 2006-08-30
CN1656128A (zh) 2005-08-17
RU2319712C2 (ru) 2008-03-20
CA2484299A1 (en) 2003-12-04
US20050070633A1 (en) 2005-03-31
EP1364972A1 (en) 2003-11-26
RU2004134328A (ru) 2005-07-10
AU2003234457A1 (en) 2003-12-12
DE60214343D1 (de) 2006-10-12
US6825250B2 (en) 2004-11-30
US20030220442A1 (en) 2003-11-27

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