GB1250503A - - Google Patents

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Publication number
GB1250503A
GB1250503A GB1250503DA GB1250503A GB 1250503 A GB1250503 A GB 1250503A GB 1250503D A GB1250503D A GB 1250503DA GB 1250503 A GB1250503 A GB 1250503A
Authority
GB
United Kingdom
Prior art keywords
temperature
vinylidene fluoride
maintained
deforming force
fluorinated polymer
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
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 filed Critical
Publication of GB1250503A publication Critical patent/GB1250503A/en
Expired legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00—Compositions 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; Compositions of derivatives of such polymers
    • C08L27/02—Compositions 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; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/12—Compositions 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; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
    • C08L27/16—Homopolymers or copolymers or vinylidene fluoride

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Treatments Of Macromolecular Shaped Articles (AREA)

Abstract

1,250,503. Heat-recoverable vinylidene fluoride copolymer articles. RAYCHEM Ltd. 3 Oct., 1969 [16 July, 1968], No. 33855/68. Heading C3P. An article comprising a cross-linked fluorinated polymer, the fluorinated polymer being a copolymer of vinylidene fluoride and one or more fluorinated olefins to which the property of elastic memory has been imparted by heating it to a temperature at which it can be deformed subjecting it to a deforming force at that temperature and cooling it while it is maintained in the deformed state to a temperature at which the deformed state is maintained when the deforming force is removed. In the examples compositions containing copolymers of vinylidene fluoride, hexafluoropropylene and tetrafluoroethylene, carbon black, magnesium oxide, dibasic lead fumarate trialkyl cyanurate 2,5- dimethyl - 2,5 - di - (tertiary butyl peroxy)- hex - 3 - yne, copper inhibitor containing disalicylal propylene diamine and N,N<SP>1</SP>-di-cinnamylidene - 1,6 - hexane diamine are formed into rings and expanded on a mandrel or formed into dumbells and extended.
GB1250503D 1968-07-16 1968-07-16 Expired GB1250503A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3385568 1968-07-16

Publications (1)

Publication Number Publication Date
GB1250503A true GB1250503A (en) 1971-10-20

Family

ID=10358322

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1250503D Expired GB1250503A (en) 1968-07-16 1968-07-16

Country Status (1)

Country Link
GB (1) GB1250503A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0207477A2 (en) * 1985-07-01 1987-01-07 E.I. Du Pont De Nemours And Company Gelled Fluoroelastomers
EP0494679A1 (en) * 1991-01-09 1992-07-15 Sumitomo Electric Industries, Limited Heat-shrinkable tubing and process for producing the same

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0207477A2 (en) * 1985-07-01 1987-01-07 E.I. Du Pont De Nemours And Company Gelled Fluoroelastomers
EP0207477A3 (en) * 1985-07-01 1988-09-28 E.I. Du Pont De Nemours And Company Gelled fluoroelastomers
EP0494679A1 (en) * 1991-01-09 1992-07-15 Sumitomo Electric Industries, Limited Heat-shrinkable tubing and process for producing the same
US5298300A (en) * 1991-01-09 1994-03-29 Sumitomo Electric Industries, Ltd. Heat-shrinkable tubing and process for producing the same

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee