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中文摘要：
综述了近年来制备支化和功能化聚乙烯的研究进展。采用Ziegler-Natta催化剂和茂金属催化剂催化乙烯与α-烯烃共聚合得到支化聚乙烯，但由于金属中心的亲电性和亲氧性强，加入极性单体会使催化剂严重失活。采用后过渡金属催化剂可通过调节反应条件得到不同拓扑结构的支化聚乙烯，且可催化乙烯与极性单体共聚合制备各种新颖的功能化聚乙烯。
英文摘要：
This paper reviewed the advances in recent years＇ studies on branched and functionalized polyethylene （PE）. Branched PE resins could be acquired through copolymerization of ethylene with ct-olefin in the presence of Ziegler-Natta catalysts or metallocene catalysts, but the introduction of polar monomer might deactivate the catalysts severely due to the strong electroaffinity and oxophilicity of the metal center. Late-transition metal catalysts were adopted to prepare branched PE with diverse topological structures through adjustment of reaction conditions and to synthesize various novel functionalized PE resins via copolymerization of ethylene with polar monomer.
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