CA1011044A - Polytetrafluoroethylene molding powders of tetrafluoroethylene and perfluoro (alkyl vinyl ether) copolymer - Google Patents

Polytetrafluoroethylene molding powders of tetrafluoroethylene and perfluoro (alkyl vinyl ether) copolymer

Info

Publication number
CA1011044A
CA1011044A CA196,669A CA196669A CA1011044A CA 1011044 A CA1011044 A CA 1011044A CA 196669 A CA196669 A CA 196669A CA 1011044 A CA1011044 A CA 1011044A
Authority
CA
Canada
Prior art keywords
perfluoro
tetrafluoroethylene
copolymer
vinyl ether
alkyl vinyl
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
Application number
CA196,669A
Other languages
English (en)
Other versions
CA196669S (en
Inventor
Carleton A. Sperati
Thomas R. Doughty (Jr.)
Howard H. Un
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 CA1011044A publication Critical patent/CA1011044A/en
Expired 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
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/12—Powdering or granulating
    • 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
    • C08F214/00—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
    • C08F214/18—Monomers containing fluorine
    • C08F214/26—Tetrafluoroethene
    • C08F214/262—Tetrafluoroethene with fluorinated vinyl ethers
    • 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

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)
  • Compositions Of Macromolecular Compounds (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
CA196,669A 1973-04-04 1974-04-02 Polytetrafluoroethylene molding powders of tetrafluoroethylene and perfluoro (alkyl vinyl ether) copolymer Expired CA1011044A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00347548A US3855191A (en) 1973-04-04 1973-04-04 Polytetrafluoroethylene molding powders of tetrafluoroethylene and perfluoro (alkyl vinyl ether) copolymer

Publications (1)

Publication Number Publication Date
CA1011044A true CA1011044A (en) 1977-05-24

Family

ID=23364188

Family Applications (1)

Application Number Title Priority Date Filing Date
CA196,669A Expired CA1011044A (en) 1973-04-04 1974-04-02 Polytetrafluoroethylene molding powders of tetrafluoroethylene and perfluoro (alkyl vinyl ether) copolymer

Country Status (8)

Country Link
US (1) US3855191A (OSRAM)
JP (1) JPS5146794B2 (OSRAM)
CA (1) CA1011044A (OSRAM)
DE (1) DE2416452A1 (OSRAM)
FR (1) FR2224493B1 (OSRAM)
GB (1) GB1442448A (OSRAM)
IT (1) IT1010904B (OSRAM)
NL (1) NL7404559A (OSRAM)

Families Citing this family (60)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4129618A (en) * 1974-05-16 1978-12-12 Imperial Chemical Industries Limited Tetrafluoroethylene polymers
US4029868A (en) * 1976-03-10 1977-06-14 E. I. Du Pont De Nemours And Company Tetrafluoroethylene terpolymers
US4252859A (en) * 1978-10-31 1981-02-24 E. I. Du Pont De Nemours And Company Fluoropolymer blend coating compositions containing copolymers of perfluorinated polyvinyl ether
US4316836A (en) * 1980-04-23 1982-02-23 E. I. Du Pont De Nemours And Company Stabilized fluoroelastomer compositions
DE3110193A1 (de) * 1980-06-06 1982-09-30 Hoechst Ag, 6000 Frankfurt "verbessertes verfahren zur herstellung von modifiziertem tetrafluorethylen-polymerisatpulver mit hohem schuettgewicht und guter rieselfaehigkeit"
DE3021369A1 (de) * 1980-06-06 1981-12-24 Hoechst Ag, 6000 Frankfurt Rohpolymerisat-pulver aus einem modifizierten tetrafluorethylen-polymerisat mit hohem schuettgewicht und guter rieselfaehigkeit
JPS5869213A (ja) * 1981-09-21 1983-04-25 Daikin Ind Ltd 含フツ素共重合体
JPS59144923U (ja) * 1983-03-16 1984-09-27 日本電波工業株式会社 圧電振動子
JPS601278U (ja) * 1983-06-17 1985-01-08 株式会社　ヤマシタ 釣用浮子
JPS6030629U (ja) * 1983-08-09 1985-03-01 日本電波工業株式会社 圧電振動子
EP0264464B1 (en) * 1985-10-19 1992-05-13 Daikin Industries, Limited Culture vessel
US4714756A (en) * 1985-10-23 1987-12-22 E. I. Du Pont De Nemours And Company Process for preparing melt processible tetrafluoroethylene copolymer granules
JPH0174772U (OSRAM) * 1987-11-06 1989-05-22
JPH0762056B2 (ja) * 1988-09-10 1995-07-05 ダイキン工業株式会社 新規非結晶性含フッ素共重合体
EP0583481B1 (en) * 1992-02-05 1999-11-10 Daikin Industries, Ltd. Polytetrafluoroethylene powder for molding
US5709944A (en) * 1992-02-05 1998-01-20 Daikin Industries, Ltd. Polytetrafluoroethylene molding powder
US5453235A (en) * 1993-01-29 1995-09-26 Impra, Inc. Method of forming dual porosity FTFE tubes by extrusion of concentric preforms
DE4332712A1 (de) * 1993-09-25 1995-03-30 Hoechst Ag Verfahren zur Herstellung eines modifizierten Polytetrafluorethylens und seine Verwendung
DE4335705A1 (de) * 1993-10-20 1995-04-27 Hoechst Ag Herstellung eines modifizierten Polytetrafluorethylens und seine Verwendung
DE19547907A1 (de) 1995-12-21 1997-06-26 Dyneon Gmbh Nichtrieselfähige Formpulver aus modifizierten Polytetrafluorethylenen
GB9606824D0 (en) * 1996-03-30 1996-06-05 Gore W L & Ass Uk Granular-type modified polytetrafluoroethlyene dispersions and fused articles prepared therefrom
GB9606818D0 (en) * 1996-03-30 1996-06-05 Gore W L & Ass Uk Granular-type modified polytetrafluoroethlyene dispersions and fused articles prepared therefrom (Case A)
IT1298172B1 (it) 1998-01-22 1999-12-20 Ausimont Spa Processo per la preparazione di politetrafluoroetilene (ptfe) modificato
EP1840142B1 (en) * 1998-03-25 2009-12-02 Daikin Industries, Ltd. Method of reducing metal content in fluorine-containing polymer
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
US6726994B1 (en) * 1998-11-18 2004-04-27 Daikin Industries, Ltd. Structural member of fluorine-containing polymer having adhesive property at high temperature and sliding material produced by using same
US6279408B1 (en) * 2000-09-28 2001-08-28 Horiba Instruments, Inc. Sample bag
US7125941B2 (en) * 2001-03-26 2006-10-24 3M Innovative Properties Company Aqueous emulsion polymerization process for producing fluoropolymers
CA2446014A1 (en) * 2001-05-02 2002-11-07 3M Innovative Properties Company Aqueous emulsion polymerization in the presence of ethers as chain transfer agents to produce fluoropolymers
DE60227508D1 (de) * 2001-05-02 2008-08-21 3M Innovative Properties Co Emulgatorfreies wässriges emulsionspolymerisationsverfahren zur herstellung von fluorpolymeren
US6737489B2 (en) 2001-05-21 2004-05-18 3M Innovative Properties Company Polymers containing perfluorovinyl ethers and applications for such polymers
US7045571B2 (en) * 2001-05-21 2006-05-16 3M Innovative Properties Company Emulsion polymerization of fluorinated monomers
US7279522B2 (en) 2001-09-05 2007-10-09 3M Innovative Properties Company Fluoropolymer dispersions containing no or little low molecular weight fluorinated surfactant
US7060772B2 (en) * 2001-09-20 2006-06-13 3M Innovative Properties Company Fluoropolymers from tetrafluoroethylene and perfluoro(alkoxyalkyl vinyl) ether
JP4207442B2 (ja) * 2002-03-20 2009-01-14 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組成物の製造方法
US6870020B2 (en) * 2002-04-30 2005-03-22 E. I. Du Pont De Nemours And Company High vinyl ether modified sinterable polytetrafluoroethylene
US7176265B2 (en) * 2002-11-22 2007-02-13 E. I. Du Pont De Nemours And Company Directly polymerized low molecular weight granular polytetrafluoroethylene
EP1533325B1 (en) * 2003-11-17 2011-10-19 3M Innovative Properties Company Aqueous dispersions of polytetrafluoroethylene having a low amount of fluorinated surfactant
EP1702932A4 (en) * 2003-12-09 2009-10-21 Daikin Ind Ltd AQUEOUS FLUORINE POLYMER DISPERSION AND PROCESS FOR PRODUCING THE SAME
US7495051B2 (en) * 2004-09-27 2009-02-24 3M Innovative Properties Company Nanocomposite and method of making the same
GB0525978D0 (en) 2005-12-21 2006-02-01 3M Innovative Properties Co Fluorinated Surfactants For Making Fluoropolymers
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
GB0523853D0 (en) 2005-11-24 2006-01-04 3M Innovative Properties Co Fluorinated surfactants for use in making a fluoropolymer
US7485609B2 (en) * 2005-09-29 2009-02-03 Kimberly-Clark Worldwide, Inc. Encapsulated liquid cleanser
US7728087B2 (en) 2005-12-23 2010-06-01 3M Innovative Properties Company Fluoropolymer dispersion and method for making the same
US7754795B2 (en) 2006-05-25 2010-07-13 3M Innovative Properties Company Coating composition
US8119750B2 (en) 2006-07-13 2012-02-21 3M Innovative Properties Company Explosion taming surfactants for the production of perfluoropolymers
US7678859B2 (en) * 2006-09-14 2010-03-16 3M Innovative Properties Company Preparation and stabilization of fluoropolymer dispersions
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
GB0716421D0 (en) 2007-08-23 2007-10-03 3M Innovative Properties Co Method of preparing fluoropolymers by aqueous emulsion polymerization
WO2010048496A1 (en) * 2008-10-24 2010-04-29 Porex Corporation Composite ptfe material and applications thereof
CN101797786B (zh) * 2010-03-26 2013-03-20 肇庆市大旺台旺门窗厂 新型智能隐形防盗网线及其绝缘保护层的制作方法
EP2752440B1 (en) * 2011-08-29 2018-10-24 Daikin Industries, Ltd. Fluorine-containing polymer powder, film, and method for producing fluorine-containing polymer powder
CN102617776A (zh) * 2012-03-23 2012-08-01 上海三爱富新材料股份有限公司 一种高强度耐蠕变性的聚四氟乙烯制备方法
US11230053B2 (en) 2016-01-21 2022-01-25 3M Innovative Properties Company Additive processing of fluoropolymers
KR20200032114A (ko) 2017-07-19 2020-03-25 쓰리엠 이노베이티브 프로퍼티즈 컴파니 플루오로중합체의 적층 가공
CN117343465B (zh) * 2023-11-09 2024-03-19 江门市格雷亚特流体密封技术有限公司 一种电解槽用聚四氟乙烯密封垫片及其制备工艺

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE560454A (OSRAM) * 1957-03-29
US3142665A (en) * 1960-07-26 1964-07-28 Du Pont Novel tetrafluoroethylene resins and their preparation
US3245972A (en) * 1962-06-21 1966-04-12 Du Pont Polytetrafluoroethylene molding powder and its preparation
GB1033638A (en) * 1963-09-09 1966-06-22 Du Pont Polytetrafluoroethylene moulding powders and their preparation
US3265679A (en) * 1963-09-19 1966-08-09 Pennsalt Chemicals Corp Chemical product and method for its manufacture
US3527857A (en) * 1965-10-26 1970-09-08 Hoechst Ag Process for preparing polytetrafluoroethylene-containing powder
US3391099A (en) * 1966-04-25 1968-07-02 Du Pont Polymerization process
NL6707195A (OSRAM) * 1966-05-25 1967-11-27
US3629219A (en) * 1968-10-09 1971-12-21 Du Pont Process for increasing the surface area of granular polytetrafluoroethylene resin
US3642742A (en) * 1969-04-22 1972-02-15 Du Pont Tough stable tetrafluoroethylene-fluoroalkyl perfluorovinyl ether copolymers
US3635926A (en) * 1969-10-27 1972-01-18 Du Pont Aqueous process for making improved tetrafluoroethylene / fluoroalkyl perfluorovinyl ether copolymers
US3819594A (en) * 1972-05-17 1974-06-25 Du Pont Tetrafluoroethylene fine powder resin of a copolymer of tetrafluoroethylene and perfluoro(alkyl vinyl ether)

Also Published As

Publication number Publication date
GB1442448A (en) 1976-07-14
JPS49130986A (OSRAM) 1974-12-16
DE2416452A1 (de) 1974-10-24
DE2416452C2 (OSRAM) 1990-06-13
US3855191A (en) 1974-12-17
FR2224493B1 (OSRAM) 1979-04-20
NL7404559A (OSRAM) 1974-10-08
FR2224493A1 (OSRAM) 1974-10-31
IT1010904B (it) 1977-01-20
JPS5146794B2 (OSRAM) 1976-12-10

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