ポリマー含有触媒系を用いるビニル芳香族化合物ポリマーの製造方法

Japanese Patent JPH11500766

A

PCT No. PCT/EP96/00600 Sec. 371 Date Jul. 14, 1997 Sec. 102(e) Date Jul. 14, 1997 PCT Filed Feb. 13, 1996 PCT Pub. No. WO96/26227 PCT Pub. Date Aug. 29, 1996Polymers of vinylaromatic compounds are prepared at from 0 to 150 DEG C. in the presence of catalyst systems which comprise as active constituents A) compounds of the formula I XM(Z1)z1(Z2)z2(Z3)z3 (I) where the substituents and indices have the following meanings: X is C1-C10-alkyl, 5- to 7-membered cycloalky, C1-C10-alkoxy, C6-C15-aryl or a cyctopentadienyl group, M is a metal of transition groups II to VIII of the periodic Table of the Elements, Z1 to Z3 are polymers of vinylaromatic compounds, dienes, acrylates or mixtures thereof and Z1 to Z3 are 0, 1, 2 or 3, where 1