申请人:Tonen Corporation
公开号:EP0440813A1
公开(公告)日:1991-08-14
A method of effectively producing an olefin polymerization catalyst component which exhibits a high activity of polymerizing an olefin to give a polymer having a reduced content of low molecular components, said method comprising bringing into contact with one another (a) metallic magnesium, (b) a halogenated hydrocarbon represented by a general formula RX, wherein R represents C₁ to C₂₀ alkyl, aryl or cycloalkyl, and X represents halogen, and (c) a compound of a general formula X¹nM(OR¹)m-n, wherein X¹ represents hydrogen, halogen or C₁ to C₂₀ hydrocarbyl, M represents boron, carbon, aluminum, silicon or phosphorus, R¹ represents C₁ to C₂₀ hydrocarbyl, m is a valence of M, and m > n ≧ 0, to give a magnesium-containing solid; bringing the solid into contact with a halogenated alcohol; and bringing the product of contact further into contact with a titanium compound and a solid halogenated hydrocarbon.
一种有效生产烯烃聚合催化剂组分的方法,该组分具有聚合烯烃的高活性,从而得到低分子组分含量降低的聚合物,所述方法包括使以下物质相互接触:(a)金属镁;(b)通式 RX.代表的卤代烃,其中 R 代表 C₁至 C₂₀烷基、芳基或环烷基;以及 X 代表卤素、其中 R 代表 C₁ 至 C₂₀ 烷基、芳基或环烷基,X 代表卤素,以及 (c) 通式 X¹nM(OR¹)m-n 的化合物,其中 X¹ 代表氢、卤素或 C₁ 至 C₂₀ 烃基、M 代表硼、碳、铝、硅或磷,R¹ 代表 C₁ 至 C₂₀烃基,m 是 M 的化合价,且 m > n ≧ 0,从而得到含镁固体;使固体与卤代醇接触;以及使接触产物进一步与钛化合物和固体卤代烃接触。