Patent ID: 9708476
Date: 2017-07-18
CPC Classifications: B60C,C08K,C08L

Claim:
1. A rubber composition for tires, comprising: a rubber component; a naturally occurring wax containing 40 to 98% by mass of an ester component; at least one of a phenylenediamine antioxidant or a quinone antioxidant; and a nonionic surfactant, the nonionic surfactant being at least one selected from the group consisting of a nonionic surfactant represented by Formula (I) below and at least one of nonionic surfactants represented by Formula (1) or Formula (2) below, the rubber composition having an amount of diene rubber of 70 to 100% by mass based on 100% by mass of the rubber component, the rubber composition having an amount of the naturally occurring wax of 0.01 to 5.0 parts by mass, an amount of petroleum-derived wax of 0 to 6.0 parts by mass, a combined amount of the phenylenediamine antioxidant and the quinone antioxidant of 1.0 to 8.0 parts by mass, and an amount of the nonionic surfactant of 0.1 to 5.0 parts by mass, each per 100 parts by mass of the rubber component, wherein R wherein R wherein a, b, and c each represent an integer, b is 10 to 70, a is 1 or more, c is 1 or more, and a+c is 3 to 65.