DE3672764D1 - Schmelzverarbeitbare tetrafluoraethylencopolymergranulate. - Google Patents

Schmelzverarbeitbare tetrafluoraethylencopolymergranulate.

Info

Publication number
DE3672764D1
DE3672764D1 DE8686114695T DE3672764T DE3672764D1 DE 3672764 D1 DE3672764 D1 DE 3672764D1 DE 8686114695 T DE8686114695 T DE 8686114695T DE 3672764 T DE3672764 T DE 3672764T DE 3672764 D1 DE3672764 D1 DE 3672764D1
Authority
DE
Germany
Prior art keywords
tetrafluoraethylene
melt processable
copolymer granules
granules
copolymer
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
DE8686114695T
Other languages
English (en)
Inventor
Marlin Dwight Buckmaster
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 DE3672764D1 publication Critical patent/DE3672764D1/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
    • 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
    • C08F6/00—Post-polymerisation treatments
    • C08F6/24—Treatment of polymer suspensions
    • 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)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
DE8686114695T 1985-10-23 1986-10-23 Schmelzverarbeitbare tetrafluoraethylencopolymergranulate. Expired - Lifetime DE3672764D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/790,493 US4714756A (en) 1985-10-23 1985-10-23 Process for preparing melt processible tetrafluoroethylene copolymer granules

Publications (1)

Publication Number Publication Date
DE3672764D1 true DE3672764D1 (de) 1990-08-23

Family

ID=25150849

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686114695T Expired - Lifetime DE3672764D1 (de) 1985-10-23 1986-10-23 Schmelzverarbeitbare tetrafluoraethylencopolymergranulate.

Country Status (4)

Country Link
US (1) US4714756A (de)
EP (1) EP0224037B1 (de)
JP (1) JPH0637560B2 (de)
DE (1) DE3672764D1 (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62222926A (ja) * 1986-03-25 1987-09-30 Mitsui Toatsu Chem Inc 合成ゴムチツプの輸送方法
JPS62260807A (ja) * 1986-05-07 1987-11-13 Nippon Mektron Ltd 含フッ素重合体の製造方法
JPH075743B2 (ja) * 1986-12-22 1995-01-25 ダイキン工業株式会社 テトラフルオロエチレン系共重合体粉末およびその製造法
US5176958A (en) * 1987-06-24 1993-01-05 Daikin Industries Ltd. Modified polytetrafluoroethylene fine powder and process for preparing the same
US4948844A (en) * 1988-04-16 1990-08-14 Tokuyama Soda Kabushiki Kaisha Process for preparation of perfluorinated copolymer
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
JPH02102247A (ja) * 1988-10-07 1990-04-13 Daikin Ind Ltd 溶融型フッ素樹脂組成物
JPH075744B2 (ja) * 1990-05-14 1995-01-25 ダイキン工業株式会社 ポリテトラフルオロエチレン粉末の製法
JP2550254B2 (ja) * 1991-04-17 1996-11-06 三井・デュポンフロロケミカル株式会社 テトラフルオロエチレン共重合体樹脂粉体組成物及びその製造法
US5182342A (en) * 1992-02-28 1993-01-26 E. I. Du Pont De Nemours And Company Hydrofluorocarbon solvents for fluoromonomer polymerization
JPH07126329A (ja) * 1993-10-29 1995-05-16 Nippon Mektron Ltd テトラフルオロエチレン−パーフルオロビニルエ−テル共重合体
US5852150A (en) * 1996-06-07 1998-12-22 E. I. Du Pont De Nemours And Company Base resistant fluorinated polymers
US5760151A (en) * 1995-08-17 1998-06-02 E. I. Du Pont De Nemours And Company Tetrafluoroethylene copolymer
DE19547907A1 (de) * 1995-12-21 1997-06-26 Dyneon Gmbh Nichtrieselfähige Formpulver aus modifizierten Polytetrafluorethylenen
US6462228B1 (en) 1997-12-22 2002-10-08 3M Innovative Properties Company Process for preparation of fluorinated sulfinates
US6531559B1 (en) 1998-08-06 2003-03-11 Eidgenössische Technische Hochschule Zürich Melt-processible poly (tetrafluoroethylene)
US6737165B1 (en) 1998-08-06 2004-05-18 Omlidon Technologies Llc Melt-processible poly(tetrafluoroethylene)
US7276287B2 (en) * 2003-12-17 2007-10-02 Eidgenössische Technische Hochschule Zürich Melt-processible poly(tetrafluoroethylene)
US6416698B1 (en) 1999-02-18 2002-07-09 E. I. Du Pont De Nemours And Company Fluoropolymer finishing process
CN1255261C (zh) 2000-05-31 2006-05-10 杜邦公司 熔融挤出的tfe/pave共聚物的旋转模塑法
IT1318595B1 (it) 2000-06-23 2003-08-27 Ausimont Spa Microsfere di copolimeri termoprocessabili del tetrafluoroetilene.
US8013089B2 (en) * 2002-12-06 2011-09-06 E. I. Du Pont De Nemours And Company Fluoropolymer composition for lining adhesion to a surface
US7892600B2 (en) * 2002-12-06 2011-02-22 E. I. Du Pont De Nemours And Company Rotolining process
US7342081B2 (en) * 2004-12-28 2008-03-11 3M Innovative Properties Company Fluoropolymer compositions, coated articles, and method of making the same
US8039073B2 (en) * 2005-12-20 2011-10-18 E.I. Du Pont De Nemours And Company Pipe preformed liner comprising metal powder
EP2069444B1 (de) 2006-10-03 2009-12-09 3M Innovative Properties Company Mehrschichtige artikel und verfahren zur erhöhung ihrer ablöselebensdauer
JP5644503B2 (ja) 2008-12-26 2014-12-24 旭硝子株式会社 エチレン／テトラフルオロエチレン共重合体の造粒方法

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3245972A (en) * 1962-06-21 1966-04-12 Du Pont Polytetrafluoroethylene molding powder and its preparation
US3331822A (en) * 1963-08-20 1967-07-18 Thiokol Chemical Corp Production of polytetrafluoroethylene molding powders by the aqueous suspension polymerization of tetrafluoroethylene with small amounts of perfluoroolefins containing from 3 to 4 carbon atoms
DE1745252B2 (de) * 1966-05-25 1975-07-31 E.I. Du Pont De Nemours And Co., Wilmington, Del. (V.St.A.) Verfahren zur Herstellung eines körnigen Tetrafluoräthylenpolymerisates
US3644319A (en) * 1967-04-20 1972-02-22 Kureha Chemical Ind Co Ltd Aftertreatment of vinylidene fluoride polymers prepared in the presence of alkylperoxydicarbonate comprising heat treatment of the polymers with water
US3553186A (en) * 1968-01-05 1971-01-05 Bayer Ag Recovery of polymer from dispersion in water
US3642742A (en) * 1969-04-22 1972-02-15 Du Pont Tough stable tetrafluoroethylene-fluoroalkyl perfluorovinyl ether copolymers
US3855191A (en) * 1973-04-04 1974-12-17 Du Pont Polytetrafluoroethylene molding powders of tetrafluoroethylene and perfluoro (alkyl vinyl ether) copolymer
JPS5541416B2 (de) * 1973-06-12 1980-10-24
JPS5311296A (en) * 1976-07-20 1978-02-01 Toshiba Corp Nuclear fuel exchanging device
DE2639109A1 (de) * 1976-08-31 1978-03-09 Hoechst Ag Copolymerisate des tetrafluoraethylens und verfahren zu deren herstellung
JPS5634221A (en) * 1979-08-29 1981-04-06 Sanyo Electric Co Ltd Channel selection unit
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"
JPS58189210A (ja) * 1982-04-30 1983-11-04 Daikin Ind Ltd テトラフルオロエチレン／フルオロ（アルキルビニルエ−テル）共重合体の製法
US4675380A (en) * 1985-10-25 1987-06-23 E. I. Du Pont De Nemours And Company Melt-processible tetrafluoroethylene/perfluoroolefin copolymer granules and processes for preparing them

Also Published As

Publication number Publication date
US4714756A (en) 1987-12-22
EP0224037A3 (en) 1988-03-16
JPS62101632A (ja) 1987-05-12
JPH0637560B2 (ja) 1994-05-18
EP0224037A2 (de) 1987-06-03
EP0224037B1 (de) 1990-07-18

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee