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Title:
RUBBER COMPOSITION, TIRE, CONVEYOR BELT, RUBBER CRAWLER, VIBRATION-DAMPING DEVICE, SEISMIC ISOLATOR, AND HOSE
Document Type and Number:
WIPO Patent Application WO/2019/163230
Kind Code:
A1
Abstract:
Provided is a rubber composition capable of producing rubber articles excellent in terms of wear resistance and crack propagation resistance. The rubber composition is characterized by including a rubber ingredient (a) which comprises a diene-based polymer (a1) having a vinyl bond content of 20-100 mass% and a multi-component copolymer (a2) having a conjugated diene unit, a non-conjugated olefin unit, and an aromatic vinyl unit, the proportion of the multi-component copolymer (a2) in the rubber ingredient (a) being 5-40 mass%.

Inventors:
SAJI Shunsuke (1-1 Kyobashi 3-chom, Chuo-ku Tokyo 40, 〒1048340, JP)
NAKATANI Kenji (1-1 Kyobashi 3-chom, Chuo-ku Tokyo 40, 〒1048340, JP)
TANEMURA Shun (1-1 Kyobashi 3-chom, Chuo-ku Tokyo 40, 〒1048340, JP)
SHODA Yasuhiro (1-1 Kyobashi 3-chom, Chuo-ku Tokyo 40, 〒1048340, JP)
INUTSUKA Shoko (1-1 Kyobashi 3-chom, Chuo-ku Tokyo 40, 〒1048340, JP)
Application Number:
JP2018/043448
Publication Date:
August 29, 2019
Filing Date:
November 26, 2018
Export Citation:
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Assignee:
BRIDGESTONE CORPORATION (1-1 Kyobashi 3-chome, Chuo-ku Tokyo, 40, 〒1048340, JP)
International Classes:
C08L9/00; B60C1/00; C08F210/02; C08F236/04; C08L23/08; F16F1/36
Domestic Patent References:
WO2017065301A12017-04-20
Foreign References:
JP2005220313A2005-08-18
JP2007197671A2007-08-09
Attorney, Agent or Firm:
SUGIMURA Kenji (36F Kasumigaseki Common Gate West, 3-2-1 Kasumigasek, Chiyoda-ku Tokyo 13, 〒1000013, JP)
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