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铬系乙烯齐聚和聚合催化剂
引用本文:刘元霞,方义群,宋炬伟,李伟,胡友良. 铬系乙烯齐聚和聚合催化剂[J]. 高分子通报, 2002, 0(2): 29-37
作者姓名:刘元霞  方义群  宋炬伟  李伟  胡友良
作者单位:1. 中国科学院化学研究所,分子科学研究中心,工程塑料国家重点实验室,北京,100080
2. 辽宁省营口市向阳化工总厂,营口,115005
基金项目:国家自然科学基金 (NO .2 9734 1 4 1 ),SINOPEC联合资助
摘    要:
综述了近年来国内外铬系催化剂的最新研究进展。介绍了该类催化剂齐聚和合的性能研究和应用,讨论了该催化剂长期引起争议的活性中心,活性价态,以及反应机理,并同时预测了铬系催化剂在工业和纳米技术方面的发展趋势。

关 键 词:铬系催化剂 乙烯 齐聚 聚合 聚乙烯 催化活性

Chromium-based catalyst for Ethylene Oligomerization and Polymerization
LIU Yuan|xia+,FANG Yi|qun+,SONG Ju|wei+,LI Wei+,HU You|liang+. Chromium-based catalyst for Ethylene Oligomerization and Polymerization[J]. Polymer Bulletin, 2002, 0(2): 29-37
Authors:LIU Yuan|xia+  FANG Yi|qun+  SONG Ju|wei+  LI Wei+  HU You|liang+
Affiliation:LIU Yuan|xia+1,FANG Yi|qun+1,SONG Ju|wei+2,LI Wei+2,HU You|liang+1
Abstract:
In this Paper,recent advances of the chromium|based catalysts developed,at home and abroad,were reviewed.From the incisive analysis based on the documents collected,and a longstanding debate over questions about chemical nature of the active site(s),the oxidation state of active chromium,and the mechanism of initiation has been resoluted,it was concluded that chromium|based catalysts would continue to play an important role in ethylene industry and take up some fields in nanocomposite materials in coming years.
Keywords:Chromium based catalyst  Ethylene  Oligomerization  Polymerization
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