A catalyst for polymerization of olefins formed from (A) a solid catalyst component containing magnesium, titanium, halogen, and an electron donor compound, (B) an organoaluminum compound shown by the formula, R6pAlQ3-p, and (C) an aminosilane compound shown by the formula, R3nSi(NR4R5)4-n; and a process for producing a catalyst for polymerization of olefins in the presence of the catalyst are provided. A novel aminosilane compound, a catalyst component for polymerization of olefins having a high catalytic activity, capable of producing polymers with high stereoregularity in a high yield, and exhibiting an excellent hydrogen response, a catalyst, and a process for producing olefin polymers using the catalyst are provided.
本发明提供了一种用于聚合烯烃的催化剂,其由(A)含有
镁、
钛、卤素和电子给体化合物的固体催化剂组分,(B)由公式R6p
AlQ3-p表示的
有机铝化合物,以及(C)由公式R3nSi(NR4R5)4-n表示的
氨基
硅烷化合物形成;以及在催化剂存在下制备烯烃聚合的方法。本发明提供了一种新型
氨基
硅烷化合物,一种具有高催化活性的烯烃聚合催化剂组分,能够以高产率生产具有高立体规整度的聚合物,并表现出优异的氢响应性能,同时提供了一种催化剂和使用该催化剂制备烯烃聚合物的方法。