剖析了国内外饮料瓶用透明聚丙烯熔体指数，乙烯含量。
The melt index and ethylene content of clear PP resin for beverage bottles at home and abroad were analyzed.
CS I型催化剂适用于在间歇本体聚丙烯装置上生产高熔体指数聚丙烯。
Compared with other catalysts, CSI catalyst is more suitable for producing high-melt index polypropylene in the batch bulk polymerization plant.
聚丙烯在加工时受热将发生大分子断链降解，致使分子量减小，熔体指数上升。
PP will degrade due to heat during processing, resulting in chain scission of macromolecule, reduction in molecular weight and rise in MI.
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