Patent ID: 11885392
Assignee: MITSUBOSHI BELTING LTD.
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC F  B  C | IPC B  C  F

Claim 8:
9. A rubber composition comprising a composite polymer comprising a hydrogenated nitrile rubber and an unsaturated carboxylic acid metal salt in a mass ratio of the former/the latter=100/80 to 100/180, and comprising, with respect to 100 parts by mass of the composite polymer, 3 parts by mass to 50 parts by mass of a zinc oxide, 3 parts by mass to 50 parts by mass of a non-reinforcing filler, 10 parts by mass or less of a reinforcing filler, 5 parts by mass or less of short fibers, and 1 part by mass to 5 parts by mass of an organic peroxide.