申请人:E.I. DU PONT DE NEMOURS AND COMPANY
公开号:EP0196783A1
公开(公告)日:1986-10-08
Free radical polymerization processes employing cobalt (11) chelates of vicinal iminohydroxyimino compounds, diazadihydroxyiminodialkyldecadienes and -undecadienes, tetraazatetraalkylcyclotetradecatetraenes and -dodecatetraenes, N,N'-bis-(saliqylidene) ethylenediamines and dialkyldiazadioxodialkyldodecadienes and -tridecadienes as catalytic chain transfer agents for controlling the molecular weight of the homopolymers and copolymers produced.
自由基聚合工艺,采用邻位亚氨基羟基亚氨基化合物、重氮二羟基亚氨基二烷基十二烷二烯和十一烷二烯、四氮四烷基环十四烷四烯和十二烷四烯、N,N'-双(水杨亚基)乙二胺和二烷基重氮二氧二烷基十二烷二烯和十三烷二烯的钴 (11) 螯合物作为催化链转移剂,以控制所生产的均聚物和共聚物的分子量。