Title:
VIBRATION-DAMPING RUBBER COMPOSITION, METHOD FOR PRODUCING SAME, AND VIBRATION-DAMPING RUBBER MEMBER
Document Type and Number:
WIPO Patent Application WO/2020/026657
Kind Code:
A1
Abstract:
A vibration-damping rubber composition which includes the following ingredient (A) and further contains the following ingredients (B) and (C), the rubber composition making it possible to attain all of high durability, inhibition of loss factor increase, and reduction of dynamic-to-static modulus ratio on a high level.
Ingredient (A): a diene-based rubber comprising natural rubber as a main component.
Ingredient (B): silica.
Ingredient (C): the following (C1) and/or (C2). (C1): a compound having an NH2 group and an SSO3H group and having a molecular weight of 143-241. (C2): a compound having an NH2 group and an ene structure and having a molecular weight of 228-480.
Inventors:
MURATANI KEIICHI (JP)
ASANO EISUKE (JP)
OKAHISA MASASHI (JP)
ASANO EISUKE (JP)
OKAHISA MASASHI (JP)
Application Number:
PCT/JP2019/025604
Publication Date:
February 06, 2020
Filing Date:
June 27, 2019
Export Citation:
Assignee:
SUMITOMO RIKO CO LTD (JP)
International Classes:
C08L9/00; C08K3/04; C08K3/36; C08K5/20; C08K5/42; C08K5/548; F16F1/36; F16F15/08
Foreign References:
| JP2014084312A | 2014-05-12 | |||
| JP2013209605A | 2013-10-10 | |||
| JP2013159678A | 2013-08-19 | |||
| JP2017008182A | 2017-01-12 | |||
| JP2013159628A | 2013-08-19 |
Attorney, Agent or Firm:
SAITOH Yukihiko et al. (JP)
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