聚苯乙烯废料裂解初探

An Initial Test on the Pyrolysis of the Waste of Polystyrene

聚苯乙烯(PS)是一种广泛使用的塑料,使用后则产生大量废弃物。设法利用废 PS 有两方面的意义:可以再生苯乙烯单体和其他芳香烃;同时又可以减少环境污染。本文在不同条件下裂解了 PS 废料,结果得到了44.2%苯乙烯、12.9%混合芳香烃和34.5%苯乙烯齐聚体。

Polystyrene is one of the general plastics which is widely used,but a lot of waste is produced in the same time.How to regenerate and reuse the waste polysrene has important significance in two aspects,i.e.to regenerate styrene and other arenes,and to reduce environmental pollution simultaneously. The various kinds of polystyrene products have been pyrolyzed in the presence of or absence of catalysts.The result shows that the yields of styrene. mixed arenes and digomers are 44.2%、12.9%、34.5% respectively.