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Patent Searching and Data


Title:
RUBBER COMPOSITION FOR TIRE AND PNEUMATIC TIRE USING SAME
Document Type and Number:
WIPO Patent Application WO/2018/110411
Kind Code:
A1
Abstract:
Provided are a rubber composition for a tire and a pneumatic tire using the same that can have both an ozone resistant property and a good appearance. The rubber composition for a tire is characterized by comprising a rubber component that contains a hydrogenated copolymer but not substantially comprising any chemical antioxidant, the hydrogenated copolymer being obtained by hydrogenating an aromatic vinyl-conjugated diene copolymer, having a weight average molecular weight determined by gel permeation chromatography of 300,000 or more, and having a hydrogen addition ratio in the conjugated diene portion of 80 mol% or more.

Inventors:
NAKAMURA, Fumihiko (2-2-13 Fujinoki, Itami-sh, Hyogo 47, 〒6640847, JP)
Application Number:
JP2017/043966
Publication Date:
June 21, 2018
Filing Date:
December 07, 2017
Export Citation:
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Assignee:
TOYO TIRE & RUBBER CO., LTD. (2-2-13 Fujinoki, Itami-shi Hyogo, 47, 〒6640847, JP)
International Classes:
C08L9/06; B60C1/00; C08L15/00; C08L21/00
Foreign References:
JP2014189698A2014-10-06
JPH04255733A1992-09-10
JP2004224952A2004-08-12
JP2010100675A2010-05-06
Attorney, Agent or Firm:
TSUTADA, Masato et al. (9th Floor, Nissei Bingomachi Bldg. 7-10, Bingomachi 1-chome, Chuo-ku, Osaka-sh, Osaka 51, 〒5410051, JP)
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