Fluorine-containing elastomer composition
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United States of America Patent
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Dec 23, 1997
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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 cyano group-containing (perfluorovinylether) represented by the following general formula: CF.sub.2 .dbd.CF?OCF.sub.2 CF(CF.sub.3)!nCN wherein n is an integer of 1 to 5, and a bis(aminophenyl) compound represented by the following general formula as a cross-linking agent: ##STR1## , wherein A is, for example, an alkylidene group, and X and Y are a hydroxyl group or an amino group, can produce vulcanized products having a good heat resistance and good physical properties, and the bis(aminophenyl) compound has no problem as to its safety.
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