Title:
ゴム組成物およびタイヤ
Document Type and Number:
Japanese Patent JP6710619
Kind Code:
B2
Abstract:
Provided is a rubber composition in which static ozone resistance, dynamic ozone resistance and discoloration resistance are highly balanced. Also provided is a tire in which static ozone resistance, dynamic ozone resistance and discoloration resistance are highly balanced. The rubber composition comprises a rubber component, a petroleum wax, and an antidegradant, wherein the petroleum wax comprises a C20-C34 hydrocarbon component and a C35 or higher hydrocarbon component, and a proportion of the C20-C34 hydrocarbon component is 15% by mass to 30% by mass and a proportion of the C35 or higher hydrocarbon component is 70% by mass to 85% by mass, based on a total mass of the C20-C34 hydrocarbon component and the C35 or higher hydrocarbon component.
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Inventors:
Tomohiro Urata
Seiichi Tahara
Seiichi Tahara
Application Number:
JP2016205197A
Publication Date:
June 17, 2020
Filing Date:
October 19, 2016
Export Citation:
Assignee:
Bridgestone Corporation
International Classes:
C08L21/00; B60C1/00; C08L91/06
Domestic Patent References:
| JP49045289B1 | ||||
| JP2015013955A |
Attorney, Agent or Firm:
Kenji Sugimura
Kazuyuki Tomita
Masaki Kato
Kazuyuki Tomita
Masaki Kato