An amount of the aromatic vinyl polymer is preferably 5 to 150 parts by weight based on 100 parts by weight of the diene rubber.
以100重量份的二烯橡胶为基准，芳香乙烯基聚合物的含量优选为5 ~ 150重量份。
2
The research tendency of making coal-based chemicals, namely, the high carbon materials and monomer of aromaticpolymer from coals and coal liquid are introduced.