Compatibilizer of a mixture containing polyolefins and polystyrene

摘要

In the present invention there is disclosed a polyolefin and polystyrene mixture compatibilizer comprising a styrene-butadiene block copolymer of average molar mass MiW ranging within 40 000 to 300 000 g/mole and containing at least 15 percent by weight and at the most 60 percent by weight of styrene in blocks having average molar mass greater than MiW = 6000 g/mole and a statistic ethylene-propylene copolymer having average molar mass MiW within the range of 40 000 to 800 000 g/mole and containing at least 15 percent by weight and at the most 60 percent by weight of propylene. The styrene-butadiene copolymer and the ethylene-propylene copolymer are comprised in the suggested compatibilizer in the weight ration ranging from 1/10 to 4/1.