公开(公告)号：US4970184A

公开(公告)日：1990-11-13

申请号：US346899

申请日：1989-05-03

申请人： Eckard Schauss ,  Heinz Vogt ,  Rainer Hemmerich ,  Guenther Schweier ,  Rudolf Mueller-Mall

发明人： Eckard Schauss ,  Heinz Vogt ,  Rainer Hemmerich ,  Guenther Schweier ,  Rudolf Mueller-Mall

IPC分类号： C08F4/658 ,  C08F2/34 ,  C08F4/58 ,  C08F4/60 ,  C08F4/64 ,  C08F4/649 ,  C08F10/00 ,  C08F10/02 ,  C08F210/02

CPC分类号： C08F210/02

摘要： A catalyst for the copolymerization of ethylene by the gas-phase fluidized-bed method is prepared by a process in which a titanium-containing and magnesium-containing active component, reacted with an alcohol as a complexing agent, is applied to a finely divided silica from homogeneous solution, in the presence of a polysiloxane, by evaporating the solvent, and the resulting homogeneous catalyst intermediate is then preactivated by treatment with the alkylaluminum compound and the Lewis base in an inert hydrocarbon solution, and the copolymers prepared using the above catalyst are employed for the production of films exhibiting little blocking.

摘要翻译： 通过气相流化床法共聚乙烯的催化剂通过以下方法制备：使含钛和镁的活性组分与醇作为络合剂反应的方法被加到细分二氧化硅 从均匀溶液中，在聚硅氧烷的存在下，通过蒸发溶剂，然后通过用惰性烃溶液中的烷基铝化合物和路易斯碱处理预先活化所得均匀的催化剂中间体，并且使用上述催化剂制备的共聚物是 用于生产几乎没有阻塞的薄膜。