Patent ID: 9353248
Filing Date: 2016-05-31
CPC Classification: C08L

Claim Text:
1. A rubber composition for use in tire treads, comprising: a rubber component and, per 100 parts by mass thereof; from 1 to 20 parts by mass of a gel of a polyvinyl alcohol; wherein the gel of the polyvinyl alcohol comprises: a polyvinyl alcohol powder in an aqueous solution comprising water or water and an organic solvent including a group selected from a hydroxy group, an amino group, and an amide group; and a crosslinking agent including organic titanium compounds, said crosslinking agent crosslinking the polyvinyl alcohol wherein the crosslinking agent is present at a ratio of from 0.1 to 60 mass % with respect to the polyvinyl alcohol, and wherein the gel of the polyvinyl alcohol has a granular shape.