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US 2003/0207994 A1Published application
Rubber composition and rubber roller
AssigneeSumitomo Rubber Industries, Ltd.
InventorKenichi Uesaka
Life of this patent
Estimating the term…
Abstract
0.3-5.0 parts by weight of phenol resin, sulfur, and vulcanizing accelerator are added to 100 parts by weight of EPDM rubber. They are kneaded, and the EPDM rubber is vulcanized and molded. Generation of blooming can be suppressed without inhibiting the vulcanizing speed and the vulcanizing start timing.
Claims16
A rubber composition comprising EPDM rubber contained therein as a main component thereof;
- wherein vulcanizing accelerator and 0.3-5.0 parts by weight of phenol resin per 100 parts by weight of said EPDM rubber are added to said EPDM rubber, and a mixture thereof is vulcanized with sulfur.
A rubber composition comprising EPDM rubber contained therein as a main component thereof;
- wherein vulcanizing accelerator and 0.3-10.0 parts by weight of halogenated phenol resin per 100 parts by weight of said EPDM rubber are added to said EPDM rubber, and a mixture thereof is vulcanized with sulfur.
Dependencies are inferred from the claim text.