| 摘要 |
1509918 Dimerizing ethylene IMPERIAL CHEMICAL INDUSTRIES Ltd 15 Aug 1975 [29 Aug 1974] 37774/74 Heading C5E [Also in Division B1] Ethylene is oligomerized to form mainly dimers by contact with a catalyst which is the reaction product of a weak field ligand complex of a group VIII metal and an inorganic oxide or phosphate support which possesses sufficient Bronsted acidity to displace at least one of the ligands, in the presence of a Group I to III metal hydrocarbyl. The complexes may be carboxylates or complexes with #-diketones or #-ketocarboxylic acid esters. The metal hydrocarbyl may be aluminium trialkyl. |
