Title:
The rubber composition for tires, and a pneumatic tire
Document Type and Number:
Japanese Patent JP6151991
Kind Code:
B2
Abstract:
Provided are a rubber composition for tires preventing discoloration and improving ozone resistance while maintaining or improving good elongation at break, and a pneumatic tire using the rubber composition. Included is a rubber composition for tires including: a rubber component; a naturally occurring wax containing 40-98% by mass of an ester component; a phenylenediamine antioxidant and/or a quinone antioxidant; and a specific nonionic surfactant, the rubber composition having an amount of diene rubber of 70-100% by mass per 100% by mass of the rubber component, the rubber composition having an amount of the naturally occurring wax of 0.01-5.0 parts by mass, an amount of petroleum-derived wax of 0-6.0 parts by mass, a combined amount of the phenylenediamine antioxidant and the quinone antioxidant of 1.0-8.0 parts by mass, and an amount of the nonionic surfactant of 0.1-5.0 parts by mass, each per 100 parts by mass of the rubber component.
Inventors:
Tatsuya Miyazaki
Ryuichi Tokune
Ryuichi Tokune
Application Number:
JP2013141961A
Publication Date:
June 21, 2017
Filing Date:
July 05, 2013
Export Citation:
Assignee:
Sumitomo Rubber Industries, Ltd.
International Classes:
C08L21/00; B60C1/00; C08K5/00; C08L91/08
Domestic Patent References:
| JP63213536A | ||||
| JP5179071A | ||||
| JP2010031111A | ||||
| JP2012021057A | ||||
| JP2011080022A | ||||
| JP2012057153A | ||||
| JP2012036351A | ||||
| JP2010053249A | ||||
| JP5194790A |
Foreign References:
| WO2013046845A1 |
Attorney, Agent or Firm:
Atomi International Patent Office