-
公开(公告)号:US4259461A
公开(公告)日:1981-03-31
申请号:US041462
申请日:1979-05-22
申请人: Akinobu Shiga , Masahiro Kakugo , Yoshiharu Fukui , Koji Yamada , Hajime Sadatoshi , Kazuki Wakamatsu , Hiroshi Yoshioka
发明人: Akinobu Shiga , Masahiro Kakugo , Yoshiharu Fukui , Koji Yamada , Hajime Sadatoshi , Kazuki Wakamatsu , Hiroshi Yoshioka
IPC分类号: C08F297/08
CPC分类号: C08F297/083
摘要: An improved process for producing propylene-ethylene block copolymer is disclosed utilizing a catalyst system comprising (A) a titanium trichloride solid catalyst obtained by reducing titanium tetrachloride with an organoaluminum compound and activating, (B) an organoaluminum compound, and optionally, (C) an electron donor.
摘要翻译: 公开了一种用于生产丙烯 - 乙烯嵌段共聚物的改进方法,该催化剂体系包含(A)通过用有机铝化合物还原四氯化钛并活化(B)有机铝化合物和任选的(C) 电子供体。