二醇酯类内给电子体丙烯聚合反应催化剂的研究进展.pdfVIP

学兔兔 化 工 进 展 2015年第34卷第7期 CHEMICAL INDUSTRY AND ENGINEERING PROGRESS ·l809· 二醇酯类内给电子体丙烯聚合反应催化剂的研究进展 王军，刘海涛，刘月祥，周奇龙，李昌秀，高明智 (中国石油化工股份有限公司北京化工研究院，北京 100013) 摘要：综合介绍了目前丙烯聚合反应催化剂研究热点非邻苯二甲酸酯类催化剂之一——二醇酯类催化剂的研发 进展情况，讨论了以此类化合物为内给电子体的系列催化剂的性能，对该类催化剂在不同聚丙烯工艺生产中的 聚合物性能与邻苯二甲酸酯类催化剂进行了比较，重点研究了不同结构的二元醇酯类内给电子体化合物对所得 催化剂性能的影响，发现化合物结构中较大取代基团的存在可使所得催化剂的活性及定向能力提高，结构中取 代基团的大小及其位置对所得催化剂的氢调敏感性能有影响。该二醇酯类催化剂符合绿色与环保要求，所生产 聚合物的力学性能好，具有较好的发展前景。 关键词：催化剂；内给电子体；二醇酯；聚合物 中图分类号：TQ 052 文献标志码：A 文章编号：1000—6613(2015)07—1809—08 DoI：10．16085~．issn．1000—6613．2015．07．001 Development of catalysts with dioldiester as internal donor for propylene polymerization WANGJun，LIUHaitao，LIUYuexiang，ZHOUQilong，LI Changxiu，GAO Mingzhi (Beijing Research Institute ofChemical Industry，SINOPEC，Beijing 100013，China) Abstract： Research on the development of phthalate—free dioldiester catalysts for propylene polymerization was reviewed．Performance and application of these catalysts with dioldiester as internal donors were included．Property of polymer produced in various polymerization processes by dioldiester catalyst was compared with that bv phthalate catalyst．Effects of different substitutes in dioldiester on the perforlTlarlce of catalysts were discussed．Catalysts with bulky substitute of the internal donor showed high activity and high stereospecificity in the polymerization of propylene． Different hydrogen response was found in catalyst with various substitute of dioldiester．Polymer produced by dioldiester catalysts also showed high mechanical properties．The catalyst is more challenging and will be widely