Fluorine-containing elastomer compositions suitable for high temperature applications
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United States of America Patent
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Jun 14, 2016
Grant Date -
May 19, 2016
app pub date -
Jan 22, 2015
filing date -
Sep 24, 2010
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Abstract
A curable fluorine-containing elastomer composition is described which includes a first curable perfluoropolymer comprising tetrafluoroethylene, a first perfluoroalkylvinyl ether and at least two cure site monomers, each having at least one cure site, wherein tetrafluoroethylene is present in the first curable perfluoropolymer in an amount of at least about 50 mole percent; a second curable perfluoropolymer comprising tetrafluoroethylene, a second perfluoroalkylvinyl ether and at least one second cure site monomer having at least one cure site, wherein the second curable perfluoropolymer comprises fluoroplastic particles therein; and at least two curatives. Cured compositions and molded articles formed from such compositions are also disclosed.
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