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AssigneesMitsui Chemicals, Inc., Degussa AG
InventorsHidenari Nakahama, Yuji Ishii, Mikio Hosoya, Masaaki Kawasaki
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This invention relates to a rubber composition for extrusion and molding comprising 100 weight parts of ethylene/α-olefin/non-conjugated polyene copolymer (A) composed of ethylene, α-olefin having carbon atoms of 3-20 and non-conjugated polyene, and at least 30-300 weight parts of carbon black (B), and 1.0×10−5-5.0×10−3 mol of an alkoxysilane compound shown by the following formula (I): wherein, R is alkyl or alkoxy, R1 is alkyl or phenyl, n is 0, 1 or 2, R2 is a bivalent hydrocarbon, R3 is arylene group, m and p are 0 or 1 respectively, and m and p are not 0 at a same time, q is 1 or 2, and D is —SCN or —SH when q is 1, and —Sx— when q is 2 (wherein x is an integer of 2-8).
A rubber composition for extrusion comprising 100 weight parts of ethylene/α-olefin/non-conjugated polyene copolymer rubber (A) composed of ethylene, α-olefin having carbon atoms of 3-20 and non-conjugated polyene, and at least 30-300 weight parts of carbon black (B) and 1.0×10−5-5.0×10−3 mol of alkoxysilane compound (C) per 100 g of the ethylene/α-olefin/non-conjugated polyene copolymer rubber (A), the alkoxysilane compound (C) being shown by the following formula (I):
A rubber composition for molding comprising 100 weight parts of an ethylene/α-olefin/non-conjugated polyene copolymer rubber (A) composed of ethylene, α-olefin having carbon atoms of 3-20 and non-conjugated polyene, and at least 30-300 weight parts of carbon black (B) and 1.0×10−5-5.0×10−3 mol of alkoxysilane compound (C) per 100 g of the ethylene/α-olefin/non-conjugated polyene copolymer rubber (A), the alkoxysilane compound (C) being shown by the following formula (I):
Dependencies are inferred from the claim text.