Fluorine-containing elastomer composition
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United States of America Patent
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Jun 16, 1998
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N/A
app pub date -
Oct 16, 1995
filing date -
Oct 21, 1994
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Abstract
A fluorine-containing elastomer composition, which comprises a terpolymer of tetrafluoroethylene, perfluoro(lower alkyl vinyl ether) and a perfluoro unsaturated nitrile compound represented by the following general formula: CF.sub.2 .dbd.CFO(CF.sub.2)nOCF(CF.sub.3)CN, wherein n is an integer of 2 to 5, and a bis(aminophenyl) 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 or a perfluoroalkylidene group having 1 to 10 carbon atoms and X and Y are a hydroxyl group or an amino group, can produce vulcanized products having good vulcanization physical properties and a.good compression set.
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