Patent ID: 9688846
Date: 2017-06-27
CPC Classifications: B60C,C08J,C08K,C08L

Claim:
1. A rubber composition for tire treads, the rubber composition comprising: 50 to 200 parts by weight of a wet masterbatch, 60 to 70 parts by weight of a raw rubber, and 50 to 200 parts by weight of a carbon black, wherein the wet masterbatch is prepared by reacting 50 to 200 parts by weight of a carbon black, 20 to 100 parts by weight of a plant based resin and 50 to 200 parts by weight of a processing oil with respect to 100 parts by weight of a styrene-butadiene latex, according to a batchwise method, and wherein the plant based resin has a softening point of 50 to 90° C.