Patent ID: 9567454
Date: 2017-02-14
CPC Classifications: B60C,C08K,C08L

Claim:
1. A carcass topping comprising a rubber composition for tire inner layers, said rubber composition having a combined amount of C20 to C32 normal alkanes of 0.1 to 2.5 parts by mass, a combined amount of phenylenediamine and quinone antioxidants of 0 to 4 parts by mass, a combined amount of C45 to C47 normal alkanes of 0.01 to 0.5 parts by mass, and an amount of C48 and higher normal alkanes of 0 to 0.08 parts by mass, each per 100 parts by mass of a diene rubber component of the rubber composition, wherein a styrene-butadiene rubber content is 10 to 45% by mass, a polybutadiene rubber content is 0 to 40% by mass, and a combined content of natural rubber and polyisoprene rubber is 40 to 80% by mass, each based on 100% by mass of the diene rubber component, and an amount of carbon black is 15 to 85 parts by mass per 100 parts by mass of the diene rubber component.