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Study on copolymerization of ethylene/1-hexene catalyzed by a novel polystyrene-supported metallocene catalyst

✍ Scribed by Wenqin Wang; Li Wang; Xiaochen Dong; Tianxu Sun; Jianfeng Wang

Publisher
John Wiley and Sons
Year
2006
Tongue
English
Weight
319 KB
Volume
102
Category
Article
ISSN
0021-8995

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✦ Synopsis

Abstract

Ethylene/1‐hexene copolymerization was carried out with polystyrene‐supported metallocene catalyst. It was found that the kinetic of the copolymerization was strongly influenced by the steric hindrance of carrier. The influences of 1‐hexene concentration in the feed on catalyst productivity and comonomer reactivity were investigated. The microstructure of resultant copolymer was analyzed by ^13^C NMR. It was found that the different carriers have slight effect on the composite of copolymer. © 2006 Wiley Periodicals, Inc. J Appl Polym Sci 102: 1574–1577, 2006

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Polymerization of ethylene and ethylene/
Polymerization of ethylene and ethylene/1-hexene over Ziegler–Natta/metallocene hybrid catalysts supported on MgCl2 prepared by a recrystallization method
✍ Han Seock Cho; Jin Suk Chung; Jae Hyuck Han; Young Gwan Ko; Wha Young Lee 📂 Article 📅 1998 🏛 John Wiley and Sons 🌐 English ⚖ 216 KB 👁 2 views

MgCl 2 for use as a catalyst support was prepared by dissolution in methanol and recrystallization in n-decane, followed by vacuum-drying at 2,000 rpm. The prepared support was modified by treatment with alkylaluminum compounds. The activity profile of ethylene over the supported catalysts persisted