Tokai Rubber Industries, Ltd.

Fumihiko Jinno

Takehiko Taguchi

Norihito Kimura

A vibration damping rubber composition having an excellent vibration damping performance includes the following (A) to (C) as essential components: 

Vibration damping rubber composition

A vibration damping rubber composition having an excellent vibration damping performance includes the following (A) to (C) as essential components: [wherein X denotes a substituted or unsubstituted aliphatic saturated hydrocarbon group; and Rto Rmay be the same or different and each denote a hydrogen atom, an alkyl group, &#x2014;NH, or &#x2014;NO, provided that the bismaleimide compound represented by formula (1) excludes a compound in which X is &#x2014;(CH)n- (n is an integer of 4 to 12) and all Rto Rare hydrogen atoms], wherein the vulcanizing agent is sulfur-free; and

A vibration damping rubber composition capable of exhibiting an excellent vibration damping property comprising: wherein n denotes an integer of 4 to 12; and

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Kasugai, Japan

Fumihiko Jinno