Patent ID: 8281832
Filing Date: 2012-10-09
Classification: B60C,C08C,C08K,C08L,Y10T

Abstract:
1. A pneumatic tire comprising a tread and a sidewall, wherein one or more portions of said tire is formed from a rubber composition comprising 100 parts by mass of a rubber component comprising a natural rubber and/or a diene rubber and 0.5 to 80 parts by mass of a biodegradable aliphatic polyester, wherein said biodegradable aliphatic polyester is polybutylene succinate having a glass transition temperature within the range of from −70° C. to 30° C.; and wherein said rubber composition further comprises silica in an amount within the range of from 5 to 150 parts by mass of based on 100 parts by mass of the rubber component and a silane coupling agent in an amount within the range of from 1 to 20% by mass based on the content of the silica.