摘要:
The invention relates to coordination compounds of the general formulae (Ia) to (Ib), wherein M = Ti, Zr, Hf, V, Nb or Ta. The invention also relates to a method for producing the metal complexes and to the use of the complexes so obtained for the polymerization and copolymerization of olefins, for example in suspension polymerization methods, gas phase polymerization methods and bulk polymerization methods.
摘要:
The invention relates to complex compounds of general formula (I), wherein M is an element of the groups 6 to 10 of the periodic system of the elements, preferably Ni. The invention also relates to a method for producing said complex compounds and to their use for polymerising and copolymerising olefins, for example in suspension polymerisation methods, gas phase polymerisation methods, mass polymerisation methods or emulsion polymerisation methods.
摘要:
The invention relates to bisimidine compounds of general formula (I), wherein the symbols have the following meanings: A is a nonmetal selected from N, S, O and P; R1 are radicals of the general formula NR5R6; R2 are radicals of the general formula NR?5R6 or NR7R8¿, alkyl-, aryl- or cycloalkyl radicals; R?5 and R6¿ together with the N-atom form a 5, 6 or 7 membered ring, wherein one or more of the -CH- or -CH¿2?-groups can be replaced by appropriate hetero-atom groups, said ring can be saturated, unsaturated and unsubstituted, substituted or can be annellated with additional carbacyclic or heterocarbacyclic 5 or 6 membered rings which are saturated or unsaturated and substituted or unsubstituted; and R?7 and R8¿ independently from one another are alkyl-, aryl- or cycloalkyl radicals; and R3, R4 independently from one another are H, alkyl-, aryl- or cycloalkyl radicals and n is 1 or 2. The invention also relates to a method for producing the same, to corresponding bisimidinato complexes, a method for the production thereof as well as to the use of said complexes in the polymerisation of unsaturated compounds.
摘要:
The invention relates to complex compounds of general formula (I), wherein M is an element of the groups 6 to 10 of the periodic system of the elements, preferably Ni. The invention also relates to a method for producing said complex compounds and to their use for polymerising and copolymerising olefins, for example in suspension polymerisation methods, gas phase polymerisation methods, mass polymerisation methods or emulsion polymerisation methods.
摘要:
The invention relates to complex compounds of general formula (Ia)(Ib)(Ic)(Id), wherein M is an element of groups 6 to 10 of the periodic table of the elements, preferably Ni. The invention also relates to a method for the production and of said compounds and to their use in the polymerization and copolymerization of olefins, for example in suspension polymerization methods, gaseous phase polymerization methods, mass polymerization methods or emulsion polymerization methods.
摘要:
The invention relates to 1,2-di-imines with at least one nitrogen-heterocyclic ligand which is bonded to at least one of the two imine nitrogen atoms by a nitrogen atom; and to a method for producing said 1,2-di-imines. The invention also relates to metal complexes of these 1,2-di-imines with transition metals of groups 8, 9 or 10 of the periodic table, to a method for producing the same and to the use of the metal complexes as catalysts in a method for polymerizing unsaturated compounds. Finally, the invention relates to a method for producing polyolefins by polymerizing unsaturated compounds in the presence of an activator and a catalyst in the form of the metal complex.
摘要:
The invention relates to coordination compounds of the general formulae (Ia) to (Ib), wherein M = Ti, Zr, Hf, V, Nb or Ta. The invention also relates to a method for producing the metal complexes and to the use of the complexes so obtained for the polymerization and copolymerization of olefins, for example in suspension polymerization methods, gas phase polymerization methods and bulk polymerization methods.
摘要:
Complexed compounds of general formula (I a) to (I b): where M = Ti, Zr, Hf, V, Nb or Ta, method for production of the metal complexes and use of the complexes thus obtained for the polymerisation and co-polymerisation of olefins, for example, in suspension polymerisation methods, gas phase polymerisation methods and mass polymerisation methods.