[EN] CATALYST SYSTEM FOR POLYMERISATION OF AN OLEFIN<br/>[FR] SYSTÈME CATALYSEUR POUR LA POLYMÉRISATION D'UNE OLÉFINE
申请人:SAUDI BASIC IND CORP
公开号:WO2015022298A1
公开(公告)日:2015-02-19
The present invention relates to a catalyst system comprising a procatalyst, a co-catalyst and an external electron donor, wherein the external electron donor comprises a compound having the structure according to Formula I: Si (L)n (OR11)4-n (Formula I), wherein, Si is a silicon atom with valency 4+; O is an oxygen atom with valency 2- and O is bonded to Si via the silicon-oxygen bond; n is 1, 2, 3 or 4; R11 is a selected from the group consisting of linear, branched and cyclic alkyl having at most 20 carbon atoms and aromatic substituted and unsubstituted hydrocarbyl having 6 to 20 carbon atoms; L is a group represented by (Formula II), wherein, L is bonded to the silicon atom via the nitrogen-silicon bond; L has a single substituent on the nitrogen atom, where this single substituent is an imine carbon atom; and X and Y are independently selected from the group consisting of a hydrogen atom; a heteroatom selected from group 13, 14, 15, 16 or 17 of the IUPAC Periodic Table of the Elements; a linear, branched and cyclic alkyl having at most 20 carbon atoms, optionally containing a heteroatom selected from group 13, 14, 15, 16 or 17 of the IUPAC Periodic Table of the Elements and an aromatic substituted and unsubstituted hydrocarbyl having 6 to 20 carbon atoms, optionally containing a heteroatom selected from group 13, 14, 15, 16 or 7 of the IUPAC Periodic Table of the Elements.
本发明涉及一种催化剂体系,包括原催化剂、协同催化剂和外部电子供体,其中外部电子供体包括具有以下结构的化合物:Si(L)n(OR11)4-n(式I),其中,Si是具有4价的硅原子;O是具有2价的氧原子,通过硅氧键与Si相连;n为1、2、3或4;R11选自具有最多20个碳原子的线性、支链和环烷基以及具有6至20个碳原子的芳香族取代和未取代的烃基;L是由(式II)表示的一组,其中,L通过氮硅键与硅原子相连;L在氮原子上具有单个取代基,该单个取代基为亚胺碳原子;X和Y分别选自IUPAC元素周期表的13、14、15、16或17族的杂原子、最多含有20个碳原子的线性、支链和环烷基,可以包含来自IUPAC元素周期表的13、14、15、16或17族的杂原子,以及具有6至20个碳原子的芳香族取代和未取代的烃基,可以包含来自IUPAC元素周期表的13、14、15、16或17族的杂原子。