A compatibilizer for stabilizing polymer blends of olefin copolymer and polymethacrylate oil additives is prepared by graft polymerizing hydrocarbon backbone polymer with alkyl methacrylate monomer, in the presence of a free radical initiator, at a temperature of from 60°C to 175°C. The compatibilizer so formed comprises a graft copolymer-containing solution having a polymer solids content of from 40 to 60 percent, a viscosity of at least 8 x 10-3M2S-1 at 100°C, and a weight percent conversion of alkyl methacrylate monomer to polymer of no less than 90%.
一种用于稳定烯烃共聚物和聚
甲基丙烯酸酯油添加剂的聚合物混合物的相容剂,是在存在自由基
引发剂的情况下,在 60°C 至 175°C 的温度下,通过将烃骨架聚合物与
甲基丙烯酸烷基酯单体进行接枝聚合而制备的。这样形成的相容剂包括含有接枝共聚物的溶液,其聚合物固体含量为 40%至 60%,100°C 时的粘度至少为 8 x 10-3M2S-1,
甲基丙烯酸烷基酯单体与聚合物的重量百分比转化率不低于 90%。