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 (JP)
Application Number:
PCT/JP2017/043966
Publication Date:
June 21, 2018
Filing Date:
December 07, 2017
Export Citation:
Assignee:
TOYO TIRE & RUBBER CO (JP)
International Classes:
C08L9/06; B60C1/00; C08L15/00; C08L21/00
Foreign References:
| JP2014189698A | 2014-10-06 | |||
| JPH04255733A | 1992-09-10 | |||
| JP2004224952A | 2004-08-12 | |||
| JP2010100675A | 2010-05-06 |
Attorney, Agent or Firm:
TSUTADA, Masato et al. (JP)
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