Fluorine-containing elastomer composition

Details Fluorine-containing elastomer composition Fluorine-containing elastomer composition

1996-10-18

1998-10-20

Zitomer, Fred

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

524186, 525350, 525374, 525379, 525382, 525248, 525253, C08F 832, C08F 834

Patent

active

058247491

ABSTRACT:
A fluorine-containing elastomer composition, which comprises a terpolymer of tetrafluoroethylene, perfluoro(lower alkyl vinyl ether) or perfluoro (lower alkoxy-lower alkyl vinyl ether) and cross-linkable cyano group-containing (perfluorovinylether), and a bis(aminothiophenol) compound represented by the following general formula as a cross-linking agent: ##STR1## wherein A is an alkylidene group having 1 to 6 carbon atoms, a perfluoroalkylidene group having 1 to 10 carbon atoms, a SO.sub.2 group, an O atom, a CO group or a carbon-carbon bond capable of directly bonding two benzene rings and one of X and Y is an amino group, while the other is a mercapto group, can produce cross-linked fluororubber moldings having an improved compression set.

REFERENCES:
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patent: 4525539 (1985-06-01), Feiring
patent: 5223599 (1993-06-01), Gajewski
Comptes Rendus Hebdomadaires Des Seances De L'academie Des Sciences, A Bouanne et al., Chimie Macromoleculaire, vol. 279, No. 5. 1974, pp. 187-190.
Chemical Abstracts, vol. 117, No. 12, 1992, Columbus, Ohio, US; abstract No. 113668b, *abstract*.

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