A low density polyethylene produced by a low pressure process, by Ziegler-Nattapolymerization or by use of the Phillips process.
采用低压过程，齐格勒·纳塔聚合或菲利浦斯公司工艺生产的一种低密度聚乙烯。
2
The polymerization kinetics of styrene catalyzed by Ziegler-Natta catalyst and the effects of prepolymerization conditions on morphology of prepolymer particles were systemically studied.