A process for the copolymerization of carbon monoxide with ethene and optionally another olefinically unsaturated compound in which process the monomers are copolymerized in the presence of a liquid diluent and a catalyst composition which is based on
(a) a Group VIII metal compound,
(b) an anion of an acid which is obtainable by combining a Brønsted acid with a Lewis acid, and
(c) an organic oxidant in a quantity of less than 30 moles per mole of Group VIII metal.
一种
一氧化碳与
乙烯和另一种烯烃不饱和化合物共聚的工艺,在该工艺中,单体在一种液体稀释剂和一种催化剂组合物的存在下共聚,该催化剂组合物的基础是
(a) 第 VIII 族
金属化合物、
(b) 一种酸的阴离子,该酸可通过将一种布氏酸与一种
路易斯酸结合而获得,以及
(c) 一种有机氧化剂,每摩尔 VIII 族
金属的含量小于 30 摩尔。