GB1408300A - Process for the polymerisation of tetrafluoroethylene and polytetrafluoroethylene powders obtained by this process - Google Patents

Process for the polymerisation of tetrafluoroethylene and polytetrafluoroethylene powders obtained by this process

Info

Publication number
GB1408300A
GB1408300A GB4212872A GB4212872A GB1408300A GB 1408300 A GB1408300 A GB 1408300A GB 4212872 A GB4212872 A GB 4212872A GB 4212872 A GB4212872 A GB 4212872A GB 1408300 A GB1408300 A GB 1408300A
Authority
GB
United Kingdom
Prior art keywords
ptfe
polymerisation
tetrafluoroethylene
powders obtained
sept
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
GB4212872A
Other languages
English (en)
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.)
Pechiney SA
Original Assignee
Pechiney Ugine Kuhlmann SA
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 Pechiney Ugine Kuhlmann SA filed Critical Pechiney Ugine Kuhlmann SA
Publication of GB1408300A publication Critical patent/GB1408300A/en
Expired 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
    • C08F259/00—Macromolecular compounds obtained by polymerising monomers on to polymers of halogen containing monomers as defined in group C08F14/00
    • C08F259/08—Macromolecular compounds obtained by polymerising monomers on to polymers of halogen containing monomers as defined in group C08F14/00 on to polymers containing fluorine

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)
  • Polymerisation Methods In General (AREA)
GB4212872A 1971-09-13 1972-09-11 Process for the polymerisation of tetrafluoroethylene and polytetrafluoroethylene powders obtained by this process Expired GB1408300A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7132874A FR2153488A5 (https=) 1971-09-13 1971-09-13

Publications (1)

Publication Number Publication Date
GB1408300A true GB1408300A (en) 1975-10-01

Family

ID=9082820

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4212872A Expired GB1408300A (en) 1971-09-13 1972-09-11 Process for the polymerisation of tetrafluoroethylene and polytetrafluoroethylene powders obtained by this process

Country Status (6)

Country Link
US (1) US3870691A (https=)
JP (1) JPS5125077B2 (https=)
DE (1) DE2244279C3 (https=)
FR (1) FR2153488A5 (https=)
GB (1) GB1408300A (https=)
IT (1) IT964990B (https=)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52112686A (en) * 1976-03-18 1977-09-21 Daikin Ind Ltd Preparation of tetrafluoroethylene polymer
JPS53110309U (https=) * 1977-02-08 1978-09-04
DE2949908A1 (de) * 1979-12-12 1981-06-19 Hoechst Ag, 6230 Frankfurt Rieselfaehige sinterpulver mit verbesserten eigenschaften auf basis von tetrafluorethylen-polymeren und verfahren zu deren herstellung
JPS61283607A (ja) * 1985-06-11 1986-12-13 Japan Synthetic Rubber Co Ltd 液晶装置用スペーサの製造方法
US5405923A (en) * 1994-05-02 1995-04-11 E. I Du Pont De Nemours And Company Suspension polymerization of TFE
DE102004016876A1 (de) * 2004-03-29 2005-10-20 Leibniz Inst Polymerforschung Radikalisch gekoppelte Perfluorpolymer-Polymer-Materialien und Verfahren zu ihrer Herstellung
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
EP1845117A1 (en) * 2006-04-11 2007-10-17 Solvay Solexis S.p.A. Polymerisation process

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2593583A (en) * 1951-03-14 1952-04-22 Du Pont Method for coagulating aqueous dispersions of polytetrafluoroethylene
US3245972A (en) * 1962-06-21 1966-04-12 Du Pont Polytetrafluoroethylene molding powder and its preparation

Also Published As

Publication number Publication date
JPS5125077B2 (https=) 1976-07-28
DE2244279C3 (de) 1978-11-02
FR2153488A5 (https=) 1973-05-04
DE2244279A1 (de) 1973-03-22
US3870691A (en) 1975-03-11
JPS4837485A (https=) 1973-06-02
IT964990B (it) 1974-01-31
DE2244279B2 (de) 1978-03-09

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years