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Cap tread rubber composition for passenger car tire, cap tread rubber for passenger car tire, and pneumatic tire for passenger car
Cap tread rubber composition for passenger car tire, cap tread rubber for passenger car tire, and pneumatic tire for passenger car
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机译:乘用车轮胎的胎冠胎面胶组合物,乘用车轮胎的胎冠胎面胶和乘用车充气轮胎
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摘要
PROBLEM TO BE SOLVED: To provide a cap tread rubber composition for a passenger car tire, which can give a cap tread rubber for a passenger car tire and a pneumatic tire for a passenger car having high mileage property and wet grip performance (particularly, wet grip performance) equivalent to those of a cap tread rubber for a passenger car tire and of a pneumatic tire for a passenger car using a conventional synthetic rubber, while responding to demands for recycling-oriented society.SOLUTION: The cap tread rubber composition for a passenger car tire contains a biomass-derived rubber which is obtained by polymerizing an aromatic vinyl and dienes and has pMC (percent Modern Carbon) of 1% or more measured in accordance with ASTMD6866-10.
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