DE3769098D1 - Herstellung von tetrafluoraethylenpolymeren. - Google Patents

Herstellung von tetrafluoraethylenpolymeren.

Info

Publication number
DE3769098D1
DE3769098D1 DE8787309633T DE3769098T DE3769098D1 DE 3769098 D1 DE3769098 D1 DE 3769098D1 DE 8787309633 T DE8787309633 T DE 8787309633T DE 3769098 T DE3769098 T DE 3769098T DE 3769098 D1 DE3769098 D1 DE 3769098D1
Authority
DE
Germany
Prior art keywords
production
tetrafluorethylene
polymers
polymerisation
tetrafluorethylene polymers
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
DE8787309633T
Other languages
English (en)
Inventor
Terence Edwin Attwood
Richard Frank Bridges
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.)
Asahi Glass Fluoropolymers USA Inc
Original Assignee
Imperial Chemical Industries Ltd
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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Application granted granted Critical
Publication of DE3769098D1 publication Critical patent/DE3769098D1/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
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F114/00—Homopolymers 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
    • C08F114/18—Monomers containing fluorine
    • C08F114/26—Tetrafluoroethene
    • 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
    • C08F14/00—Homopolymers 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
    • C08F14/18—Monomers containing fluorine
    • C08F14/26—Tetrafluoroethene

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)
  • Polymerization Catalysts (AREA)
  • Polymerisation Methods In General (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE8787309633T 1986-11-26 1987-10-30 Herstellung von tetrafluoraethylenpolymeren. Expired - Lifetime DE3769098D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB868628291A GB8628291D0 (en) 1986-11-26 1986-11-26 Tetrafluoroethylene polymers

Publications (1)

Publication Number Publication Date
DE3769098D1 true DE3769098D1 (de) 1991-05-08

Family

ID=10607986

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787309633T Expired - Lifetime DE3769098D1 (de) 1986-11-26 1987-10-30 Herstellung von tetrafluoraethylenpolymeren.

Country Status (8)

Country Link
US (2) US4766188A (de)
EP (1) EP0271198B1 (de)
JP (1) JP2636277B2 (de)
AT (1) ATE62258T1 (de)
DE (1) DE3769098D1 (de)
ES (1) ES2021723B3 (de)
GB (1) GB8628291D0 (de)
GR (1) GR3001725T3 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8628291D0 (en) * 1986-11-26 1986-12-31 Ici Plc Tetrafluoroethylene polymers
US5677031A (en) * 1990-03-31 1997-10-14 W. L. Gore & Associates, Inc. Porous PTFE structures
US5185414A (en) * 1991-01-18 1993-02-09 Ici Americas Inc. Drying temperature independent polytetrafluoroethylene
US5256744A (en) * 1991-01-18 1993-10-26 Ici Americas Inc. Drying temperature independent polytetrafluoroethylene
US5955556A (en) * 1995-11-06 1999-09-21 Alliedsignal Inc. Method of manufacturing fluoropolymers
US5756620A (en) * 1995-11-15 1998-05-26 E. I. Du Pont De Nemours And Company Tetrafluoroethylene polymer for improved paste extrusion
JP4080554B2 (ja) * 1995-12-06 2008-04-23 ダイキン工業株式会社 テトラフルオロエチレンの乳化重合方法
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
JP4734878B2 (ja) * 2004-09-28 2011-07-27 旭硝子株式会社 ガス吸収装置およびガス吸収方法、重合体の製造方法
US8741435B2 (en) * 2010-04-30 2014-06-03 Rockwell Automation Technologies, Inc. Method and apparatus for coating substrates
CN104245827B (zh) 2012-04-20 2019-09-06 大金工业株式会社 以ptfe为主要成分的组合物、混合粉末、成型用材料和过滤器用滤材、空气过滤器单元、以及多孔膜的制造方法
WO2015060364A1 (ja) 2013-10-23 2015-04-30 ダイキン工業株式会社 エンボス加工されたエアフィルタ用濾材、フィルタパック、エアフィルタユニット、およびエンボス加工されたエアフィルタ用濾材の製造方法
JP6673230B2 (ja) 2017-01-12 2020-03-25 ダイキン工業株式会社 エアフィルタ濾材
JP6816746B2 (ja) 2018-07-20 2021-01-20 ダイキン工業株式会社 エアフィルタ濾材、フィルタパック、およびエアフィルタユニット
CN112770827A (zh) 2018-09-28 2021-05-07 大金工业株式会社 空气过滤器滤材、过滤包、空气过滤器单元以及这些的制造方法
EP4006063A4 (de) * 2019-07-23 2023-10-25 Daikin Industries, Ltd. Verfahren zur herstellung eines fluorpolymers, polytetrafluorethylenzusammensetzung und polytetrafluorethylenpulver
JP7181480B2 (ja) 2021-02-04 2022-12-01 ダイキン工業株式会社 エアフィルタ濾材、エアフィルタ濾材の製造方法、マスク用濾材、および、プリーツ状マスク用濾材
KR20240016337A (ko) 2021-06-04 2024-02-06 다이킨 고교 가부시키가이샤 에어 필터 여과재, 플리트상 여과재, 에어 필터 유닛, 마스크용 여과재, 및 에어 필터 여과재의 재생 방법

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE463077A (de) * 1943-11-19
US2750350A (en) * 1953-05-12 1956-06-12 Du Pont Dispersion polymerization process for tetrafluoroethylene
US2759350A (en) * 1954-12-16 1956-08-21 Gunnar E Swanson Padlock
US3109856A (en) * 1959-10-30 1963-11-05 American Cyanamid Co Stabilization of acrylonitrile
US3110704A (en) * 1960-03-31 1963-11-12 Du Pont Low pressure tetrafluoroethylene polymerization process
FR1550055A (de) * 1965-06-18 1968-12-20
US3475391A (en) * 1967-02-28 1969-10-28 Du Pont Hydroxylated tetrafluoroethylene/isobutylene polymers and their preparation
DE2165239A1 (de) * 1970-12-30 1972-07-27 Daikin Ind Ltd Verfahren zur Herstellung von Fluorelastomer-Terpolymeren
JPS5544050B2 (de) * 1971-09-14 1980-11-10
US4342675A (en) * 1978-06-16 1982-08-03 E. I. Du Pont De Nemours And Company Process for preparing aqueous dispersion of polytetrafluoroethylene
FR2491477A1 (fr) * 1979-12-21 1982-04-09 Ugine Kuhlmann Procede de polymerisation du tetrafluorethylene en dispersion aqueuse
JPS59109506A (ja) * 1982-12-14 1984-06-25 Daikin Ind Ltd 新規なポリテトラフルオロエチレン・フアインパウダ−
US4576869A (en) * 1984-06-18 1986-03-18 E. I. Du Pont De Nemours And Company Tetrafluoroethylene fine powder and preparation thereof
US4639497A (en) * 1985-08-28 1987-01-27 E. I. Du Pont De Nemours And Company Preparation of tetrafluoroethylene fine powder
US4654406A (en) * 1985-09-09 1987-03-31 E. I. Du Pont De Nemours And Company Preparation of tetrafluoroethylene fine powder
US4748217A (en) * 1986-01-27 1988-05-31 E. I. Du Pont De Nemours And Company Preparation of tetrafluoroethylene fine powder
GB8628291D0 (en) * 1986-11-26 1986-12-31 Ici Plc Tetrafluoroethylene polymers

Also Published As

Publication number Publication date
GR3001725T3 (en) 1992-11-23
ES2021723B3 (es) 1991-11-16
GB8628291D0 (en) 1986-12-31
US4766188A (en) 1988-08-23
US4921922A (en) 1990-05-01
EP0271198B1 (de) 1991-04-03
JP2636277B2 (ja) 1997-07-30
EP0271198A1 (de) 1988-06-15
ATE62258T1 (de) 1991-04-15
JPS63137906A (ja) 1988-06-09

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: ASAHI GLASS FLUOROPOLYMERS USA INC., CHADDS FORD,