Process for the preparation of polyolefins

    公开(公告)号:AU666565B2

    公开(公告)日:1996-02-15

    申请号:AU4459193

    申请日:1993-08-13

    Applicant: HOECHST AG

    Abstract: A compound of formula (1) in either pure meso form or as a 1:99 meso:racemic mixture is claimed. In (1), M = a Group IVb, Vb or VIIb metal; R , R = H, 1-10C alkyl, 1-10C alkoxy, 5-10C aryl, 6-10C aryloxy, 2-10C alkenyl, 7-40C arylalkyl or alkylaryl, 8-40C aralkenyl or halogen; R , R = H, halogen, 1-10C alkyl, optionally halogenated , 6-10C aryl, optionally halogenated, -NR 2, -SR , -OSR 3, -SiR 3 or -PR 2; R , R = halogen, 1-10C alkyl, optionally halogenated , 6-10C aryl, optionally halogenated, -NR 02, -SR , -OSR 3, -SiR 3 or -PR 2 where two or more of R -R may form a ring system; R = halogen, 1-10C alkyl or 6-10C aryl; R = -M )(R )-, -M )(R )-M )(R )-, , -M 2)-, -O-M )(R )-O-, -C(R )(R )-, -O-M )(R )-, =BR , =AlR , -Ge-, Sn, O, S, =SO, =SO2, =NR , =CO, =PR or P(OR) ; R , R , R = H, halogen, 1-10C alkyl, 1-10C fluoroalkyl, 6-10C aryl, 6-10C fluoroaryl, 1-10C alkoxy, 2-10C alkenyl, 7-40C arylalkyl, 8-40C arylalkenyl, 7-40C alkylaryl where R and R or R and R together form a ring system. M = silicon, germanium or tin; m, n = 0, 1 or 2 m+n = 0, 1 or 2; and where meso-Dimethylsilylbil (1-(2-methyl-4-ethylindenyl)) zirconiumdichloride, meso-Dimethylsilylbil (1-(2-methyl-4-isopropylindenyl)) zirconium dichloride, meso-Dimethylsilylbil (1-(2-methyl-4-tert-butylindenyl)) zirconium dichloride, meso/meso/rac(1:1:2)-methylphenylsilylbis(1 -(2-methyl-4-isopropylindenyl)) zirconium dichloride, meso/rac(5:1)-dimethylsilylbis(1 -(2-ethyl-4-methylindenyl)) zirconium dichloride, meso/rac(1:1)-dimethylsilylbis(1 -(2,4-dimethylindenyl)) zirconium dichloride, meso/rac(1:3)-dimethylsilylbis(1 -(2-methyl-4,6-disopropylindenyl)) zirconium dichloride, meso/rac(1:2)-methylphenylsilylbis(1-(2-methyl-4,6-diisopropylindenyl)) zirconium dichloride, meso/rac-1,2-butandiylbis(1-(2-methy-4,6-diisopropylindenyl)) zirconium dichloride, meso/rac(1:2)-dimethylsilylbis(1 -(2-,4,6-trimethylindenyl)) zirconium dichloride, meso/rac(1:2)-1,2-ethandiylbis(1 -(2-methyl-4,6-diisopropylindenyl)) zirconium dichloride, meso/rac(1:1)-dimethylsilylbis(2 -methyl- alpha -acenaphthindenyl) zirconium dichloride, meso/rac-methylphenylsilylbis(1 -(2-methyl-4,5-benzoindenyl)) zirconium dichloride, meso/rac-methylphenylsilylbis(2 -methyl- alpha -acenaphthindenyl)) zirconium dichloride, rac-1,2-butandiylbis(1- (2-methyl-4,5-benzoindenyl)) zirconium dichloride, meso/rac (1:3)-dimethylsilylbis(1- (2-methyl-4,5-benzoindenyl)) zirconium dichloride, meso/rac (1:1)-dimethylsilylbis(1 -(2-methyl-4-phenylindenyl)) zirconium dichloride meso/rac (1:1)-dimethylsilylbis(1- (2-ethyl-4-phenylindenyl)) zirconium dichloride, meso/rac (1:1)-dimethylsilylbis(1- (2-methyl-4-(1-naphthyl)indenyl)) zirconium dichloride, meso/rac (1:1)-dimethylsilylbis(1- (2-methyl-4-(2-naphthyl)indenyl)) zirconium dichloride, and meso/rac(1:1)-ethandiylbis(1- (2-methyl-4-phenylindenyl)) zirconium dichloride are excluded.

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