Ethylene-alpha-olefin copolymer rubber composition

Details Ethylene-alpha-olefin copolymer rubber composition Ethylene-alpha-olefin copolymer rubber composition

C - Chemistry, Metallurgy

08

L

400/6578

C08L 23/16 (2006.01) C08L 23/08 (2006.01)

Patent

CA 1336468

A rubber composition containing (A) 100 parts by weight of an amorphous or low-crystalline ethylene- .alpha.-olefin copolymer rubber having an ethylene content of 70 to 90 mole%, a molecular weight distribution (Mw/Mn) of 3.0 or more and a Mooney viscosity ML1+4 (100°C) of 5 to 80; and (B) 1 to 120 parts by weight of a liquid ethylene-.alpha.-olefin random copolymer having an ethylene content of 40 to 90 mole% and an intrinsic viscosity [?] of 0.01 to 0.4 dl/g as measured in decalin at 135°C. The rubber composition is useful for the production of general rubber articles such as a belt for industrial use, a hose, a seal or the like and has improved processability, thermal aging resistance and wear resistance .

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