Ube Industries, Inc.

Tatsuo Wada

Shinji Yamamoto

Kazuyoshi Fujii

Hideo Kurihara

A fine fiber-reinforced elastomer composition (A) having a high elastic modulus, mechanical strength and creep resistance includes (a) 100 parts by weight of elastic component having a glass-transition temperature of 0.degree. C. or less, (b) 30 to 500 parts by weight of a polyolefin component and (c) 10 to 500 parts by weight of a polyamide component dispersed in the fine fiber form in the matrix consisting of the components (a) and (b), these components (a), (b) and (c) being chemically bonded to each other through a binding agent (d), for example, a silane coupling agent, and is useful for producing an elastic material having a high elastic modulus, an excellent fatigue resistance and a high isotropy, by admixing an additional elastic component (B) to the elastomer composition (A).

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Ichihara, Japan

Tatsuo Wada