Pyrolysis and liquification of polypropylene(PP) were studied by using molten ZnCl2 as heat carrier.

以熔融氯化锌作为载体,对聚丙(PP)化进行研究。

Propylene,the common petroleum gas,is subject to gasification under heating and liquification under pressure.

丙是一种受易气化、受压易化常用石油气。