Fluoroelastomer and its cross-linkable composition

Details Fluoroelastomer and its cross-linkable composition Fluoroelastomer and its cross-linkable composition

1996-10-02

1999-11-30

Lipman, Bernard

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526255, C08F 1624

Patent

active

059944870

ABSTRACT:
A fluoroelastomer comprising 74 to 80% by mole of vinylidene fluoride, 4 to 12% by mole of tetrafluoroethylene, 14 to 18% by mole of hexafluoropropene and 0.3 to 1.3% by mole of perfluoro(alkyl vinyl ether), the sum total being 100% by mole, gives vulcanization products having well balanced high levels of low-temperature characteristics and methanol resistance, and suppressed change in the hardness with time after the secondary vulcanization.

REFERENCES:
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patent: 3645991 (1972-02-01), Aversasian
patent: 4123603 (1978-10-01), Stewart, Jr.
patent: 4745165 (1988-05-01), Arcella et al.
patent: 5260392 (1993-11-01), Arcella et al.
patent: 5260393 (1993-11-01), Arcella et al.
patent: 5354824 (1994-10-01), Arcella et al.
patent: 5585449 (1996-12-01), Arcella et al.
Official Gazette 1046 TMOG 2, Sep. 4, 1984.

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