申请人:Asahi Kasei Kogyo Kabushiki Kaisha
公开号:EP0052471A1
公开(公告)日:1982-05-26
A process for polymerizing an olefin which comprises contacting the olefin at a temperature of about 10°C to about 100°C with a catalyst comprising a slurry component [A] and. an organometallic component [B], the component [A] being obtained by reacting (1) a slurry reaction mixture produced by reacting one mol of (i) a hydrocarbon-soluble organomagnesium component of the general formula
wherein
a, p, q, r and s each independently is 0 or a number greater than 0,
B is a number greater than 1,
m is the valence of M,
M is a metal of the 1st to 3rd groups of the Periodic Table,
R' and R2 each independently is a hydrocarbon group having 1 to 20 carbon atoms,
X and Y each independently is a hydrogen atom, a halogen atom, OR3, OSiR4R5R6, NR7R8 or SR9 wherein
R3, R4, R5, R6, R7 and R8 each independently is a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms and R9 is a hydrocarbon group having 1 to 20 carbon atoms,
(or of the reaction product of with at least one electron donor selected from the group consisting of ethers, thioethers, ketones, aldehydes, carboxylic acids or derivatives thereof, alcohols, thioalcohols and amines) with 0.1 to 10 mols of (ii) a chlorosilane compound of the formula
wherein
R10 is a hydrocarbon group having 1 to20 carbon atoms,
0 < a ≤ 2 and
b is a number greater than 1 at a temperature of about 20°C to about 150°C, with (2) a titanium compound of the formula
wherein
R" is a hydrocarbon group having 1 to 20 carbon atoms,
Z is a halogen atom and
0 ≤ n ≤ 4.
and (3) a nitrogen or sulfur-containing heterocyclic carboxylic acid ester or a hydrocarbyl carboxylic acid ester, the mol ratio of (2) the titanium compound: (3) the carboxylic acid ester being at least 0.3.
一种使烯烃聚合的工艺,它包括在约10℃至约100℃的温度下使烯烃与由浆料组分[A]和有机金属组分[B]组成的催化剂接触,组分[A]是通过以下反应得到的:(1)由1摩尔(i)通式为烃溶性的有机镁组分反应生成的浆料反应混合物;(ii)由1摩尔(iii)通式为烃溶性的有机镁组分反应生成的浆料反应混合物。
其中
a、p、q、r 和 s 各自独立地为 0 或大于 0 的数值、
B 是大于 1 的数值
m 是 M 的化合价、
M 是元素周期表中第 1 至第 3 族的金属、
R' 和 R2 各自独立地为具有 1 至 20 个碳原子的烃基、
X 和 Y 各自独立地为氢原子、卤素原子、OR3、OSiR4R5R6、NR7R8 或 SR9,其中
R3、R4、R5、R6、R7 和 R8 各自独立地为氢原子或具有 1 至 20 个碳原子的烃基,R9 为具有 1 至 20 个碳原子的烃基、
(或其与至少一个选自醚、硫醚、酮、醛、羧酸或其衍生物、醇、硫醇和胺组成的组的电子供体的反应产物)与 0.1 至 10 摩尔 (ii) 式中的氯硅烷化合物的反应产物。
其中
R10 是具有 1 至 20 个碳原子的烃基、
0 < a ≤ 2 和
b 是大于 1 的数字,温度约为 20°C 至约 150°C,(2) 式中的钛化合物
其中
R" 是具有 1 至 20 个碳原子的烃基、
Z 是卤素原子
0 ≤ n ≤ 4.
和 (3) 含氮或硫的杂环羧酸酯或烃基羧酸酯,(2) 钛化合物:(3) 羧酸酯的摩尔比至少为 0.3。