ACRYLIC RUBBER COMPOSITION, VULCANIZATE, HOSE PART, AND SEALING PART
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United States of America Patent
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Issued Date -
Apr 11, 2013
app pub date -
Mar 31, 2011
filing date -
Jun 21, 2010
priority date (Note) -
Abandoned
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Abstract
Provided are an acrylic rubber composition higher in processing stability and giving a vulcanizate having sufficient mechanical properties and favorable compression set resistance after secondary vulcanization (heated air vulcanization) and the vulcanizate thereof. The acrylic rubber composition according to the present invention includes (A) an epoxy group-containing acrylic rubber, (B) an imidazole compound represented by General Formula (1) below, (C) silica, and (D) a silane-coupling agent represented by General Formula (2) below. Such an acrylic rubber composition is superior in mechanical properties such as compression set resistance and hardness.
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