公开(公告)号：US20240254319A1

公开(公告)日：2024-08-01

申请号：US18629913

申请日：2024-04-08

Applicant: Sumitomo Riko Company Limited

Inventor： Yuto Watanabe ,  Seiji Kasai ,  Akio MASE ,  Yuko MATSUSHITA

IPC: C08K13/02 ,  C08K3/36 ,  C08K5/47 ,  C08K5/5419 ,  F16F1/36

CPC classification number: C08K13/02 ,  F16F1/3605 ,  C08K3/36 ,  C08K5/47 ,  C08K5/5419 ,  F16F2224/025

Abstract: Provided are a vibration-damping rubber composition and a vibration-damping rubber member which have excellent durability, can attain a reduction in dynamic-to-static modulus ratio, and can exhibit excellent scorch resistance in wet-heat environments, etc. This vibration-damping rubber composition comprises a diene-based rubber composition including the following (A) to (C) and further containing the following (D) and (E), where the total amount of (D) and (E) is 1-5 parts by mass per 100 parts by mass of (A) and the mass ratio between (D) and (E) is (D):(E)=90:10 to 50:50: (A) a diene-based rubber; (B) silica; (C) a silane coupling agent; (D) N-oxydiethylene-2-benzothiazolylsulfenamide; and (E) Di-2-benzothiazolyl disulfide.