首页> 外文会议>Division of Polymeric Material: Science and Engineering American Chemical Society meeting >Bis(benzimidazole)amine Vanadium Catalysts for Olefin Polymerization and Copolymerization:Thermally Robust, Single-Site Catalysts Activated by Simple Alkylaluminum Reagents
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Bis(benzimidazole)amine Vanadium Catalysts for Olefin Polymerization and Copolymerization:Thermally Robust, Single-Site Catalysts Activated by Simple Alkylaluminum Reagents

机译:BIS(苯并咪唑)胺钒催化剂用于烯烃聚合和共聚:通过简单的烷基铝试剂激活的热稳健,单现场催化剂

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The past 20 years have seen quite remarkable advances in single-site catalyst technology for the production of polyolefins.1-3 Facilitated by the serendipitous discovery of methylalumoxane (MAO) as an activator in the late 1970's,4 a wide variety of high activity single-site transition metal catalyst systems have since been reported, including commercially relevant Group 4 metallocene systems,5 half-sandwich (constrained geometry) titanium catalysts,6 and non-metallocene systems based on a variety of nitrogen and oxygen donor ligands.
机译:在1970年代后期,在20世纪70年代后期,甲基铝氧烷(MAO)的偶然发现促进的聚烯烃,促进了多型催化剂技术,在过去的20年中获得了相当显着的进展。已经报道了分析金属催化剂体系,包括商业上相关的4组茂金属系统,5分半三明治(约束几何形状)钛催化剂,6和基于各种氮和氧供体配体的非茂金属系统。

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