Vulcanizable EPDM containing rubber composition
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United States of America Patent
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Feb 18, 2003
Grant Date -
May 23, 2002
app pub date -
Apr 7, 1995
filing date -
Dec 19, 1991
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A rubber composition is disclosed containing an ethylene-propylene-nonconjugated diene copolymer rubber (or a blend of an ethylene-propylene-nonconjugated diene copolymer rubber and a diene rubber), a specific alkoxysilane compound, and amorphous silica powder having a specific surface area of 50 to 100 m.sup.2 /g (BET adsorption). The vulcanized rubber is prepared by vulcanizing such a rubber composition. The rubber composition is excellent in dynamic characteristics and also in mechanical characteristics, dynamic fatigue resistance and thermal aging resistance. It also can provide a vulcanized rubber having the above-mentioned effects.
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