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。
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.
一种降低汽油中的硫含量的脱硫剂含有以催化剂重量为基准的含稀土Y型沸石15-60重％、无机氧化物10-60重％、粘土0-75重％；
A kind of hydrocarbon-oil desulfuration agent contains, on the catalyst-weight basis, 15-60% phosphorus-modified and rare-earth-contained Y type zeolite, 10-60% inorganic oxide, and 0-75% clay;
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