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Patent Searching and Data


Title:
ANTIVIBRATION RUBBER COMPOSITION, AND ANTIVIBRATION RUBBER
Document Type and Number:
WIPO Patent Application WO/2019/117155
Kind Code:
A1
Abstract:
This antivibration rubber composition includes (A) styrene-butadiene rubber having a weight-average molecular weight of 700,000 or higher in terms of polystyrene, and (B) liquid styrene-butadiene rubber having a weight-average molecular weight of 12,000 or lower in terms of polystyrene, the total of the vinyl bond content in the (A) rubber and the vinyl bond content in the (B) liquid rubber relative to the total amount of (A) rubber and (B) liquid rubber being 25% by mass or higher. An antivibration rubber in which said composition is used exhibits very low springiness and high durability.

Inventors:
ITO NAHOKO (JP)
HORIKAWA YASUO (JP)
KIMURA KEI (JP)
OTSU KAZUTAKA (JP)
Application Number:
PCT/JP2018/045532
Publication Date:
June 20, 2019
Filing Date:
December 11, 2018
Export Citation:
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Assignee:
BRIDGESTONE CORP (JP)
International Classes:
C08L9/06; C08K3/04; F16F15/08
Foreign References:
JP2003253056A2003-09-10
JPS57139132A1982-08-27
JPS60101128A1985-06-05
JP2007161817A2007-06-28
JP2005225946A2005-08-25
Attorney, Agent or Firm:
TAKIZAWA, Yoshio et al. (JP)
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