Lldpe prepared byin situ polymerization using a dualfunctional catalytic system of Ti(On-Bu)₄ /ALEt₃-Et(Ind)₂-ZrCl₂/MAO

Liu Zhongyang,Xu Demin,Guo Cunyue,Wang Jun,He Dawei,Hu Youliang

Chinese Science Bulletin（2001）

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摘要

Linear low-density polyethylene (LLDPE) was prepared byin situ polymerization using a dual-functional catalytic system containing Et(Ind)2ZrCl2/MAO and Ti(OnBu)4/AlEt3 used as co-polymerization catalyst and dimerization catalyst, respectively. The catalytic system showed high activity and the polymer with low melting point, narrow molecular weight distribution (MWD) and low crystallinity was produced.

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关键词

in situ poly- merization,metallocene.,linear low-density polyethylene lldpe

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Lldpe prepared byin situ polymerization using a dualfunctional catalytic system of Ti(On-Bu)4 /ALEt3-Et(Ind)2-ZrCl2/MAO

Lldpe prepared byin situ polymerization using a dualfunctional catalytic system of Ti(On-Bu)₄ /ALEt₃-Et(Ind)₂-ZrCl₂/MAO