Title:
【発明の名称】高硬度ゴム組成物
Document Type and Number:
Japanese Patent JP2773194
Kind Code:
B2
Abstract:
A rubber composition which is obtainable by vulcanizing an unvulcanized rubber composition comprising: (i) 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; (ii) 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 (iii) 4-15 parts by weight of sulfur (C) based on 100 parts by weight of said ethylene. alpha -olefin copolymer rubber, wherein said unvulcanized rubber composition is obtainable by adding said solid diene rubber (B) and said sulfur (C) to said unvulcanized ethylene. alpha -olefin rubber composition (A).
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Inventors:
Kei Yamamoto
Yoshio Tanimoto
High Isa Sao
Yoshio Tanimoto
High Isa Sao
Application Number:
JP5843289A
Publication Date:
July 09, 1998
Filing Date:
March 09, 1989
Export Citation:
Assignee:
Sumitomo Chemical Co., Ltd.
International Classes:
C08K3/04; C08K3/06; C08L21/00; C08L23/08; C08L23/16; (IPC1-7): C08L23/08; C08K3/06; C08L23/16
Domestic Patent References:
| JPS61143458A |
Attorney, Agent or Firm:
Mitsuhiro Moroishi (1 person outside)