A catalyst active in the preparation of ethylene homo and copolymers consists of a nickel complex bound to a polystyrene support and definable by the general formula (I):
in which Ph, m and n have the meaning given in the description. The catalyst preparation and its use in ethylene polymerization and ethylene copolymerization with other unsaturated monomers are described.
一种可用于制备
乙烯均聚物和共聚物的催化剂由一种与聚
苯乙烯载体结合的
镍络合物组成,可按通式(I)定义:
其中 Ph、m 和 n 的含义见说明。该催化剂的制备及其在
乙烯聚合和
乙烯与其他不饱和单体共聚中的应用已作了说明。