| 摘要 |
K 711 NOVEL CATALYST COMPOSITIONS AND PROCESS FOR THE COPOLYMERIZATION OF ETHENE WITH CARBON MONOXIDE Process for the preparation of copolymers, carbon monoxide with ethene and optionally also another olefinically unsaturated hydrocarbon in the presence of a novel catalyst composition comprising a) a palladium compound, b) an anion of an acid with a pka of less than 4, with the proviso that the acid is not a hydrohalogenic acid, and c) a nitrogen bidentate ligand of the general formula wherein X and Y represent similar or different organic bridging groups, each containing three or four atoms in the bridge at least two of which are carbon atoms, and optionally, d) an organic oxidant. DWRH04 |
