JPS6152842B2 - - Google Patents

Info

Publication number
JPS6152842B2
JPS6152842B2 JP54074791A JP7479179A JPS6152842B2 JP S6152842 B2 JPS6152842 B2 JP S6152842B2 JP 54074791 A JP54074791 A JP 54074791A JP 7479179 A JP7479179 A JP 7479179A JP S6152842 B2 JPS6152842 B2 JP S6152842B2
Authority
JP
Japan
Prior art keywords
amount
polymerization
peroxide
surfactant
anionic surfactant
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
JP54074791A
Other languages
English (en)
Japanese (ja)
Other versions
JPS55794A (en
Inventor
Bishunu Gangaru Sabuhashu
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
Publication of JPS55794A publication Critical patent/JPS55794A/ja
Publication of JPS6152842B2 publication Critical patent/JPS6152842B2/ja
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B01D1/26—Multiple-effect evaporating
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polymerisation Methods In General (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
JP7479179A 1978-06-16 1979-06-15 Tetrafluoroethylene aqueous dispersion polymerization Granted JPS55794A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/916,844 US4342675A (en) 1978-06-16 1978-06-16 Process for preparing aqueous dispersion of polytetrafluoroethylene

Publications (2)

Publication Number Publication Date
JPS55794A JPS55794A (en) 1980-01-07
JPS6152842B2 true JPS6152842B2 (en:Method) 1986-11-14

Family

ID=25437919

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7479179A Granted JPS55794A (en) 1978-06-16 1979-06-15 Tetrafluoroethylene aqueous dispersion polymerization

Country Status (4)

Country Link
US (1) US4342675A (en:Method)
EP (1) EP0006346B1 (en:Method)
JP (1) JPS55794A (en:Method)
DE (1) DE2964600D1 (en:Method)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995008598A1 (en) * 1993-09-20 1995-03-30 Daikin Industries, Ltd. Aqueous dispersion of vinylidene fluoride polymer and process for producing the same
JP2010509444A (ja) * 2006-11-09 2010-03-25 イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー フルオロポリエーテル酸または塩および炭化水素系界面活性剤を含む重合剤を用いるフッ素化モノマーの水性重合

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6076516A (ja) * 1983-09-12 1985-05-01 Daikin Ind Ltd ポリテトラフルオロエチレン水性分散体の製法
US4595518A (en) * 1985-07-10 1986-06-17 E. I. Du Pont De Nemours And Company Coating fibrous substrates with fluoropolymer amphoteric polymer and surfactants
US4748217A (en) * 1986-01-27 1988-05-31 E. I. Du Pont De Nemours And Company Preparation of tetrafluoroethylene fine powder
IT1189092B (it) * 1986-04-29 1988-01-28 Ausimont Spa Processo di polimerizzazione in dispersione acquosa di monomeri fluorurati
EP0248446A3 (en) * 1986-06-06 1990-01-03 E.I. Du Pont De Nemours And Company Anisotropic, liquid crystalline, polytetrafluoroethylene and tetrafluoroethylene copolymer aqueous dispersions
IT1204903B (it) * 1986-06-26 1989-03-10 Ausimont Spa Processo di polimerizzazione in dispersione acquosa di monomeri florati
GB8628291D0 (en) * 1986-11-26 1986-12-31 Ici Plc Tetrafluoroethylene polymers
DE4305618A1 (de) * 1993-02-24 1994-08-25 Hoechst Ag Beschichtung poröser, hydrophober Substrate mit thermoplastischen Fluorpolymeren
US5955556A (en) 1995-11-06 1999-09-21 Alliedsignal Inc. Method of manufacturing fluoropolymers
US6036945A (en) 1997-04-11 2000-03-14 Shamrock Technologies, Inc. Delivery systems for active ingredients including sunscreen actives and methods of making same
US6403740B1 (en) 1997-04-15 2002-06-11 E. I. Du Pont De Nemours And Company Vinyl fluoride interpolymers
US6395848B1 (en) 1999-05-20 2002-05-28 E. I. Du Pont De Nemours And Company Polymerization of fluoromonomers
US6429258B1 (en) 1999-05-20 2002-08-06 E. I. Du Pont De Nemours & Company Polymerization of fluoromonomers
ATE502062T1 (de) * 2003-10-24 2011-04-15 3M Innovative Properties Co Wässrige dispersionen von polytetrafluorethylenteilchen
ATE529451T1 (de) 2003-11-17 2011-11-15 3M Innovative Properties Co Wässrige ptfe-dispersionen mit einem niedrigen gehalt an fluorierten emulgatoren
US20060281845A1 (en) * 2005-06-10 2006-12-14 Ramin Amin-Sanayei Aqueous process for making fluoropolymers
US8557938B2 (en) * 2005-11-10 2013-10-15 Arkema Inc. Branched fluoropolymers
EP3533811B1 (en) * 2010-11-09 2021-08-11 The Chemours Company FC, LLC Nucleation in aqueous polymerization of fluoromonomer
US9074025B2 (en) 2010-11-09 2015-07-07 The Chemours Company Fc, Llc Reducing the telogenic behavior of hydrocarbon-containing surfactants in aqueous dispersion fluoromonomer polymerization
EP3539995B1 (en) * 2010-11-09 2020-12-30 The Chemours Company FC, LLC Fluoropolymer disperson obtained with an aqueous polymerisation of fluoromonomer using hydrocarbon surfactant
CA2819058A1 (en) * 2010-12-22 2012-06-28 Solvay Specialty Polymers Italy S.P.A. Vinylidene fluoride and trifluoroethylene polymers
US9175110B2 (en) * 2012-05-09 2015-11-03 The Chemours Company Fc, Llc Fluoropolymer resin treatment employing melt extrusion and exposure to oxygen source to reduce discoloration
US9484768B2 (en) 2013-11-01 2016-11-01 Innochips Technology Co., Ltd. Complex device and electronic device having the same
WO2015081055A1 (en) 2013-11-26 2015-06-04 E. I. Du Pont De Nemours And Company Employing polyalkylene oxides for nucleation in aqueous polymerization of fluoromonomer
WO2020071504A1 (ja) * 2018-10-03 2020-04-09 ダイキン工業株式会社 ポリテトラフルオロエチレンの製造方法
JP7513915B2 (ja) * 2020-07-30 2024-07-10 ダイキン工業株式会社 含フッ素エラストマー水性分散液の製造方法、含フッ素エラストマーおよび水性分散液

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3245971A (en) * 1962-01-24 1966-04-12 Pennsalt Chemicals Corp Aqueous polymerization process for vinylidene fluoride
BE654084A (en:Method) * 1963-10-08 1965-04-07
FR1550055A (en:Method) * 1965-06-18 1968-12-20
US3391099A (en) * 1966-04-25 1968-07-02 Du Pont Polymerization process
DE1795078C3 (de) * 1968-08-07 1974-12-19 Farbwerke Hoechst Ag, Vormals Meister Lucius & Bruening, 6000 Frankfurt Wäßrige Polytetrafluoräthylen-Dispersionen, Verfahren zu ihrer Herstellung und ihre Verwendung
US3951930A (en) * 1971-08-12 1976-04-20 Imperial Chemical Industries Limited Extrusion powder
US4016345A (en) * 1972-12-22 1977-04-05 E. I. Du Pont De Nemours And Company Process for polymerizing tetrafluoroethylene in aqueous dispersion
JPS52112686A (en) * 1976-03-18 1977-09-21 Daikin Ind Ltd Preparation of tetrafluoroethylene polymer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995008598A1 (en) * 1993-09-20 1995-03-30 Daikin Industries, Ltd. Aqueous dispersion of vinylidene fluoride polymer and process for producing the same
JP2010509444A (ja) * 2006-11-09 2010-03-25 イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー フルオロポリエーテル酸または塩および炭化水素系界面活性剤を含む重合剤を用いるフッ素化モノマーの水性重合

Also Published As

Publication number Publication date
EP0006346B1 (en) 1983-01-26
JPS55794A (en) 1980-01-07
US4342675A (en) 1982-08-03
DE2964600D1 (en) 1983-03-03
EP0006346A1 (en) 1980-01-09

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