Spherical magnesium halide adduct, a catalyst component and a catalyst for olefin polymerization prepared therefrom
申请人:CHINA PETROLEUM & CHEMICAL CORPORATION
公开号:US10239969B2
公开(公告)日:2019-03-26
A magnesium halide adduct represented by the formula (I): MgX2.mROH.nE.pH2O, in which X is chlorine, bromine, a C1-C12 alkoxy, a C3-C10 cycloalkoxy or a C6-C10 aryloxy, with the proviso that at least one X is chlorine or bromine; R is a C1-C12 alkyl, a C3-C10 cycloalkyl or a C6-C10 aryl; E is an o-alkoxybenzoate compound represented by the formula (II): in which R1 and R2 groups are independently a C1-C12 linear or branched alkyl, a C3-C10 cycloalkyl, a C6-C10 aryl, a C7-C10 alkaryl or an C7-C10 aralkyl, the R1 and R2 groups are identical to or different from the R group; m is in a range of from 1.0 to 5.0; n is in a range of from 0.001 to 0.5; and p is in a range of from 0 to 0.8, is disclosed. A catalyst component useful in olefin polymerization, which comprises a reaction product of (1) the magnesium halide adduct, (2) a titanium compound, and optionally (3) an electron donor compound, is also disclosed.
由式 (I) 表示的卤化镁加合物:MgX2.mROH.nE.pH2O,其中 X 是氯、溴、C1-C12 烷氧基、C3-C10 环烷氧基或 C6-C10 芳氧基,但至少有一个 X 是氯或溴,R 是 C1-C12 烷基、C3-C10 环烷基或 C6-C10 芳基,E 是式 (II) 所代表的邻烷氧基苯甲酸化合物:其中 R1 和 R2 基团独立地为 C1-C12 直链或支链烷基、C3-C10 环烷基、C6-C10 芳基、C7-C10 烷芳基或 C7-C10 芳烷基,R1 和 R2 基团与 R 基团相同或不同;m 的范围为 1.0至5.0;n在0.001至0.5的范围内;p在0至0.8的范围内。还公开了一种用于烯烃聚合的催化剂组分,它包括(1)卤化镁加合物、(2)钛化合物和可选的(3)电子供体化合物的反应产物。