申请人:SABIC Global Technologies B.V.
公开号:US10005859B2
公开(公告)日:2018-06-26
The present invention relates to a procatalyst comprising the compound represented by formula A as an internal electron donor, wherein: R81, R82, R83, R84, R85, and R86 are the same or different and are independently selected from a group consisting of hydrogen or a straight, branched and cyclic hydrocarbyl group, selected from alkyl, alkenyl, aryl, aralkyl or alkylaryl groups, and one or more combinations thereof, preferably having 1 to 20 carbon atoms; R87 is a hydrogen or a linear, branched or cyclic hydrocarbyl group, selected from alkyl, alkenyl, aryl, aralkyl, alkoxycarbonyl or alkylaryl groups, and one or more combinations thereof, preferably having from 1 to 20 carbon atoms; and each R80 group is independently a linear, branched or cyclic hydrocarbyl group selected from alkyl, alkenyl, aryl, aralkyl, or alkylaryl groups, and one or more combinations thereof, preferably having from 1 to 30 carbon atoms; N is nitrogen atom; O is oxygen atom; and C is carbon atom. The present invention also relates to a process for preparing said polymerization procatalyst and to a polymerization catalyst system comprising said procatalyst, a cocatalyst and optionally an external electron donor. Furthermore, the present invention relates to a polyolefin obtainable by the process according to the present invention and to the use of the compound of formula A as in internal electron donor in catalysts for polymerization of olefins.
本发明涉及一种由式 A 所代表的化合物作为内部电子供体组成的催化剂,其中:R81、R82、R83、R84、R85 和 R86 相同或不同,且独立地选自氢或直链、支链和环状烃基(选自烷基、烯基、芳基、芳烷基或烷芳基)及其一种或多种组合组成的组,优选具有 1 至 20 个碳原子;R87是氢或线性、支链或环状烃基,选自烷基、烯基、芳基、芳烷基、烷氧羰基或烷芳基,以及它们的一种或多种组合,最好具有 1 至 20 个碳原子;每个 R80 基团独立地是线性、支链或环状烃基,选自烷基、烯基、芳基、芳烷基或烷芳基,以及它们的一种或多种组合,最好具有 1 至 30 个碳原子;N 是氮原子;O 是氧原子;C 是碳原子。本发明还涉及一种制备所述聚合原催化剂的工艺,以及一种聚合催化剂体系,该体系包括所述原催化剂、助催化剂和可选的外部电子供体。此外,本发明还涉及一种可通过本发明工艺获得的聚烯烃,以及式 A 化合物作为内部电子供体在烯烃聚合催化剂中的用途。