Title:
RUBBER COMPOSITION AND TIRE
Document Type and Number:
WIPO Patent Application WO/2021/079676
Kind Code:
A1
Abstract:
The present invention provides a rubber composition and a tire with which excellent performance persistency is obtained, and moreover, excellent low fuel-consumption performance and wet grip performance are obtained. The present invention relates to a rubber composition containing: a hydrogenated conjugated diene-based polymer (A) having a weight average molecular weight of 100,000 or more and a degree of hydrogenation of 75 mol% or more; a hydrogenated conjugated diene-based polymer (B) having a weight average molecular weight of less than 100,000; and a resin having a softening point of 20 °C or more.
Inventors:
YASUDA RIE (JP)
WASHIZU KENSUKE (JP)
WASHIZU KENSUKE (JP)
Application Number:
PCT/JP2020/035912
Publication Date:
April 29, 2021
Filing Date:
September 24, 2020
Export Citation:
Assignee:
SUMITOMO RUBBER IND (JP)
International Classes:
B60C1/00; C08C19/02; C08F36/04; C08K3/04; C08K3/36; C08L15/00; C08L25/04; C08L45/00
Domestic Patent References:
| WO2016039008A1 | 2016-03-17 | |||
| WO2016039005A1 | 2016-03-17 |
Foreign References:
| JPH02147646A | 1990-06-06 | |||
| JP2018095776A | 2018-06-21 |
Attorney, Agent or Firm:
YASUTOMI & Associates (JP)
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