专利检索 ap:"Alessandro Ricci" 第 1 页

1.

发明授权
Polymerization catalyst, the process for its preparation and its use in ethylene homo and copolymerization 失效
标题翻译：聚合催化剂，其制备方法及其在乙烯均聚和共聚中的应用

公开(公告)号：US5026675A

公开(公告)日：1991-06-25

申请号：US506845

申请日：1990-04-10

申请人： Giuseppe Braca , Alessandro Ricci , Glauco Sbrana , Maurizio Brunelli , Aldo Giusti , Guglielmo Bertolini , Anna M. R. Galletii

发明人： Giuseppe Braca , Alessandro Ricci , Glauco Sbrana , Maurizio Brunelli , Aldo Giusti , Guglielmo Bertolini , Anna M. R. Galletii

IPC分类号： C08F4/26 , C08F4/42 , C08F4/80 , C08F8/42 , C08F10/00

CPC分类号： C08F10/00

摘要： A catalyst active in the polymerization of ethylene or the copolymerization of ethylene with unsaturated monomers consists of a nickel complex catalyst bonded to a polystyrene substrate, and definable by the general formula (I): ##STR1## where R, R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6 and R.sub.7 have the meanings given in the description.The preparation is described of the catalyst and its use in the polymerization of ethylene and the copolymerization of ethylene with other unsaturated monomers.