Patent ID: 9181413
Filing Date: 2015-11-10
Classification: B60C,C08C,C08K,Y02T

Abstract:
1. A rubber composition, comprising a rubber component, silica (1) having a nitrogen adsorption specific surface area of not more than 100 m silica (2) having a nitrogen adsorption specific surface area of not less than 180 m wherein the rubber component contains, based on 100% by mass of the rubber component, not less than 5% by mass of a conjugated diene polymer containing a constituent unit based on a conjugated diene and a constituent unit represented by formula (I) below, at least one terminal of the polymer being modified with at least one compound selected from the group consisting of a compound represented by formula (II) below, a compound containing a group represented by formula (III) below, a compound represented by formula (IV) below, a silicon compound containing at least one of a group represented by formula (V) below and a group represented by formula (VI) below, and a compound containing a group represented by formula (VII) below, and a total amount of the silica (1) and the silica (2) is 30 to 150 parts by mass per 100 parts by mass of the rubber component, wherein X wherein R wherein n represents an integer of 1 to 10; R wherein p represents an integer of 0 or 1; T represents a C wherein g represents an integer of 1 to 10; R wherein w represents an integer of 1 to 11; and A