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    • 16. 发明申请
    • ETHYLENE COPOLYMERS
    • 乙烯共聚物
    • WO2011061151A1
    • 2011-05-26
    • PCT/EP2010/067490
    • 2010-11-15
    • BASELL POLYOLEFINE GMBHPIEMONTESI, FabrizioESPOSITO, Simona
    • PIEMONTESI, FabrizioESPOSITO, Simona
    • C08F210/02
    • C08F210/02C08F4/65912C08F10/00C08F210/18C08F210/06C08F236/20C08F2500/17C08F2500/25C08F4/65927
    • A process for copolymerizing ethylene, comprising the step of contacting ethylene, one or more non-conjugated cyclic diene and optionally one or more alpha olefins of formula CH 2 =CHT wherein T is a C 1 -C 20 alkyl radical under polymerization conditions in the presence of a catalyst system obtainable by contacting: A) a metallocene compound of formula (I) wherein: M is titanium zirconium or hafnium; X, equal to or different from each other, is a hydrogen atom, a halogen atom, a hidrocabon group optionally containing heteroatoms belonging to groups 13-17 of the Periodic Table of the Elements; R 1 are C 1 -C 40 hydrocarbon radical; R 2 , and R 5 are hydrogen atoms, or C 1 -C 20 hydrocarbon radicals; R6, equal to or different from each other, are C1-C20 hydrocarbon radicals; R 3 and R 4 , form together a condensed saturated or unsaturaded C 3 -C 7 -membered ring; B) an alumoxane or a compound capable of forming an alkyl metallocene cation; and optionally (C) an organo aluminum compound.
    • 一种使乙烯共聚的方法,其包括使乙烯,一种或多种非共轭环状二烯和任选的一种或多种式CH 2 = CHT的α-烯烃接触的步骤,其中T是C1-C20烷基,在聚合条件下,在 催化剂体系可通过以下方式获得:A)式(I)的茂金属化合物,其中:M是钛锆或铪; X为相同或不同的氢原子,卤素原子,任选含有元素周期表第13-17族杂原子的吡啶酮基; R1是C1-C40烃基; R2和R5是氢原子或C1-C20烃基; R6相同或不同,为C1-C20烃基; R3和R4一起形成饱和或不饱和的C3-C7-元环; B)铝氧烷或能够形成烷基茂金属阳离子的化合物; 和(C)有机铝化合物。