Lldpe prepared byin situ polymerization using a dualfunctional catalytic system of Ti(On-Bu)4 /ALEt3-Et(Ind)2-ZrCl2/MAO |
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| Authors: | Liu Zhongyang Xu Demin Guo Cunyue Wang Jun He Dawei Hu Youliang |
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| Institution: | (1)State Key Lab of Engineering Plastics, Center for Molecular Science, Institute of Chemistry, Chinese Academy of Sciences ,Beijing 100080 ,China;(2)Beijing Lab of Catalysis, China National Petroleum Corporation Key Lab of Catalysis ,Beijing 100080 ,China |
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| Abstract: | Linear low-density polyethylene (LLDPE) was prepared by in situ polymerization using a dual-functional catalytic system containing Et(Ind)2ZrCl2/MAO and Ti(On- Bu)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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| Keywords: | linear low-density polyethylene (LLDPE) in situ poly- merization metallocene |
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