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Patent Searching and Data


Title:
RUBBER COMPOSITION AND TIRE
Document Type and Number:
WIPO Patent Application WO/2019/117218
Kind Code:
A1
Abstract:
Provided is a rubber composition in which dry handling properties, wet performance, and low loss properties are highly balanced. A rubber composition including a rubber component and a styrene-alkylene block copolymer, wherein 0°Ctanδ is 0.3 or higher, 0°Ctanδ/50°Ctanδ is 1.4 or higher, and 80°Ctanδ/50°Ctanδ is 0.85 or higher, where 0°Ctanδ, 50°Ctanδ, and 80°Ctanδ are the loss tangents (tan δ) of vulcanized rubber obtained by vulcanizing the rubber composition at 0°C, 50°C, and 80°C, respectively.

Inventors:
OGASAWARA TAKUYA (JP)
AOKI MISA (JP)
Application Number:
PCT/JP2018/045765
Publication Date:
June 20, 2019
Filing Date:
December 12, 2018
Export Citation:
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Assignee:
BRIDGESTONE CORP (JP)
International Classes:
C08L21/00; B60C1/00; C08L7/00; C08L53/02
Domestic Patent References:
WO2016093133A12016-06-16
Foreign References:
JP2013515795A2013-05-09
JP2007154132A2007-06-21
JP2017039819A2017-02-23
JP2016017162A2016-02-01
JP2019014796A2019-01-31
Attorney, Agent or Firm:
SUGIMURA Kenji (JP)
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