CATALYST COMPOSITION WITH HALO-MALONATE INTERNAL ELECTRON DONOR AND POLYMER FROM SAME
申请人:Dow Global Technologies LLC
公开号:EP2655434A1
公开(公告)日:2013-10-30
Catalyst Composition with Halo-Malonate Internal Electron Donor and Polymer From Same
申请人:Chen Linfeng
公开号:US20120157296A1
公开(公告)日:2012-06-21
Disclosed herein are procatalyst compositions, catalyst compositions and polymers, i.e., propylene-based polymers, produced therefrom. The present procatalyst compositions contain a halo-malonate and a 2-fluoro-malonate in particular. The present catalyst compositions improve catalyst selectivity, improve catalyst activity, and also improve hydrogen response during polymerization. Propylene-based polymer produced from the present catalyst composition has a melt flow rate greater than 50 g/10 min.
US8383540B2
申请人:——
公开号:US8383540B2
公开(公告)日:2013-02-26
US8697827B2
申请人:——
公开号:US8697827B2
公开(公告)日:2014-04-15
[EN] CATALYST COMPOSITION WITH HALO-MALONATE INTERNAL ELECTRON DONOR AND POLYMER FROM SAME<br/>[FR] COMPOSITION CATALYTIQUE COMPORTANT UN DONNEUR D'ÉLECTRONS INTERNE À BASE D'HALOGÉNOMALONATE ET UN POLYMÈRE PRODUIT À PARTIR DE CELLE-CI
申请人:DOW GLOBAL TECHNOLOGIES LLC
公开号:WO2012087535A1
公开(公告)日:2012-06-28
Disclosed herein are procatalyst compositions, catalyst compositions and polymers, i.e., propylene-based polymers, produced therefrom. The present procatalyst compositions contain a halo-malonate and a 2-fluoro-malonate in particular. The present catalyst compositions improve catalyst selectivity, improve catalyst activity, and also improve hydrogen response during polymerization. Propylene-based polymer produced from the present catalyst composition has a melt flow rate greater than 50 g/10 min.