High-hardness rubber composition

Details High-hardness rubber composition High-hardness rubber composition

C - Chemistry, Metallurgy

08

L

400/6101

C08L 23/08 (2006.01) C08K 3/06 (2006.01) C08L 9/00 (2006.01) C08L 23/16 (2006.01)

Patent

CA 1326574

- 20 - Abstract High-hardness rubber composition A high-hardness rubber composition which is obtained by vulcanizing an unvulcanized rubber composition comprising an unvulcanized ethylene?.alpha.-olefin rubber composition (A) comprising 100 parts by weight of an ethylene?.alpha.-olefin copolymer rubber, 60-150 parts by weight of a reinforcing agent and 0-70 parts by weight of a softener; 5-40 parts by weight of a solid diene rubber (B) based on 100 parts by weight of said ethylene?.alpha.-olefin copolymer rubber; and 4-15 parts by weight of sulfur (G) based on 100 parts by weight of said ethylene?.alpha.-olefin copolymer rubber, wherein said unvulcanized rubber composition is obtained by adding said solid diene rubber (B) and said sulfur (C) to said unvulcanized ethylene?.alpha.-olefin rubber composition (A).

614965

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