申请人:DOW GLOBAL TECHNOLOGIES LLC
公开号:US20140163184A1
公开(公告)日:2014-06-12
Disclosed are procatalyst compositions having an internal electron donor which includes a substituted amide ester and optionally an electron donor component. Ziegler-Natta catalyst compositions containing the present procatalyst compositions exhibit improved catalyst activity and/or improved catalyst selectivity and produce propylene-based olefins with broad molecular weight distribution.