An oligomerization catalyst for α-olefins, comprising
[A] at least one nickel compound selected from the group consisting of a nickel salt of organic acid, a nickel salt of inorganic acid and a complex compound of nickel;
[B] an organoaluminum oxy-compound having at least 3 aluminum atoms in the molecule; and
[C] a trivalent phosphorous compound represented by the general formula PR¹R²R³ wherein R¹ to R³ are each independently a hydrocarbon group or substituted hydrocarbon group of 1 to 10 carbon atoms.
A process for oligomerizing α-olefin, wherein α-olefin is oligomerized in the presence of the catalyst mentioned above.
一种α-烯烃的低聚催化剂,包括
[A] 至少一种
镍化合物,选自由有机酸
镍盐、
无机酸镍盐和
镍的复合物组成的组;
[B] 分子中含有至少 3 个铝原子的
有机铝氧化合物;以及
[C] 由通式 PR¹R²R³ 表示的三价
磷化合物,其中 R¹ 至 R³ 分别独立地为 1 至 10 个碳原子的烃基或取代烃基。
一种使α-烯烃低聚的工艺,其中α-烯烃在上述催化剂存在下进行低聚。