发明授权
US5747621A Reactor blend polypropylene, process for the preparation thereof and process for preparing metallocene ligands 失效
反应器共混聚丙烯,其制备方法和制备茂金属配体的方法

Reactor blend polypropylene, process for the preparation thereof and
process for preparing metallocene ligands
摘要:
Fractionable, reactor blend polypropylenes, directly obtainable from the polymerization reaction of propylene, having: (a) content of isotactic pentads (mmmm) comprised between 25 and 85%; (b) ratio M.sub.w,/M.sub.n
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