Title:
VIBRATION-PROOF RUBBER COMPOSITION AND VIBRATION-PROOF RUBBER MEMBER
Document Type and Number:
Japanese Patent JP2023096769
Kind Code:
A
Abstract:
To provide a vibration-proof rubber composition and a vibration-proof rubber member which are excellent in durability, can achieve a low dynamic-to-static modulus ratio, and can exhibit excellent scorch resistance even under a wet heat environment.SOLUTION: The vibration-proof rubber composition comprises a diene rubber composition containing the following (A)-(C): (A) a diene rubber; (B) silica having a silanol group density of 4 groups/nm2 or more, a BET specific surface area of 13-60 m2/g, and an average particle diameter of 3-10 μm; and (C) a silane coupling agent having a sulfide group and a mercapto group in one molecule.SELECTED DRAWING: None
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Inventors:
WATANABE YUTO
KASAI SEIJI
TOYAMA TOYOHISA
KASAI SEIJI
TOYAMA TOYOHISA
Application Number:
JP2021212744A
Publication Date:
July 07, 2023
Filing Date:
December 27, 2021
Export Citation:
Assignee:
SUMITOMO RIKO CO LTD
International Classes:
C08L7/00; C08K3/04; C08K3/36; C08K5/548; C09K3/00; F16F1/36; F16F15/08
Attorney, Agent or Firm:
Yukihiko Saitou
井▲崎▼ 愛佳
Yuko Nishito
井▲崎▼ 愛佳
Yuko Nishito
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