| 摘要 |
A compound useful as a catalyst or as a cocatalyst in combination with a Group 3-10 metal for addition polymerizations corresponding to the formula:wherein:M' is aluminum, gallium, or indium.M is boron, aluminum, gallium or indiumQ1 is C1-20 hydrocarbyl, optionally substituted with one or more groups which independently each occurrence are hydrocarbyloxy, hydrocarbylsiloxy, hydrocarbylsilylamino, di(hydrocarbylsilyl)amino, hydrocarbylamino, di(hydrocarbyl)amino, di(hydrocarbyl)phosphino, or hydrocarbylsulfido groups having from 1 to 20 atoms other than hydrogen, or, optionally, two or more Q1 groups may be covalently linked with each other to form one or more fused rings or ring systems;Q2 is an alkyl group, optionally substituted with one or more cycloalkyl or aryl groups, said Q2 having from 1 to 30 carbons;L' is a monodentate or polydentate Lewis base;I' is a number greater than zero indicating the number of Lewis base moieties, L', andArf independently each occurrence is an anionic ligand group of up to 30 atoms not counting hydrogen. |
