Existenz von Gerüsten mit vorgeschriebenem Maximalgrad in Graphen

Alpha-olefin polymerization catalyst comprising (A) a solid component which is the reaction product of components comprising (1) an alkyl aluminum halide and (2) a reaction product prepared by reacting components comprising a magnesium compound and a Group IVB or VB amide compound of the general formula M(NR2)nL4-n wherein M is a Group IVB or VB metal, R is an alkyl or aryl group, L is a non-amine ligand, and n is a number of from 1 to 4; and (B) an organo aluminum promoter.