Heat-resistant polyorganosiloxane composition
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United States of America Patent
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Apr 25, 1989
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N/A
app pub date -
Dec 2, 1986
filing date -
Dec 25, 1985
priority date (Note) -
Expired
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Abstract
A heat-resistant silicone rubber is obtained from a composition of a vinyl-containing polyorganosiloxane, a hydrogenpolyorganosiloxane, a platinum-containing catalyst, carbon black, and an acetylacetone salt of a metal wherein the metal can be copper, zinc, aluminum, iron, cerium, zirconium, or titanium. The silicone rubber can maintain its rubber properties at temperatures of 350.degree. C. for prolonged periods of time.
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