Patent ID: 9328184
Filing Date: 2016-05-03
CPC Classification: B60C,C08F,C08L

Claim Text:
1. A branched conjugated diene copolymer prepared by copolymerizing a branched conjugated diene compound, a conjugated diene compound and a vinyl compound, wherein the branched conjugated diene compound is farnesene, the conjugated diene compound is 1,3-butadiene, the vinyl compound is styrene, and the branched conjugated diene copolymer has a copolymerization ratio (l) of the branched conjugated diene compound which is 1 to 20% by weight, a copolymerization ratio (m) of the conjugated diene compound which is 30 to 70% by weight, and a copolymerization ratio (n) of the vinyl compound which is not less than 25 and less than 60% by weight.