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    PROCESS FOR THE PREPARATION OF POLYOLEFINS
    74.
    发明专利
    PROCESS FOR THE PREPARATION OF POLYOLEFINS 未知

    公开(公告)号：CA2104036A1

    公开(公告)日：1994-02-16

    申请号：CA2104036

    申请日：1993-08-13

    Applicant: HOECHST AG

    Inventor： WINTER ANDREAS ,  ANTBERG MARTIN ,  BACHMANN BERND ,  DOLLE VOLKER ,  KUEBER FRANK ,  ROHRMANN JUERGEN ,  SPALECK WALTER

    IPC: C07F17/00 ,  C08F4/44 ,  C08F4/60 ,  C08F4/602 ,  C08F4/639 ,  C08F4/6392 ,  C08F4/642 ,  C08F10/00 ,  C08F110/06 ,  C08F297/08 ,  C07F7/00 ,  C07F9/00 ,  C07F11/00 ,  C08F4/622

    Abstract: of the disclosure Process for the preparation of polyolefins A process for the preparation of an olefin polymer by polymerization or copolymerization of an olefin of the formula Ra-CH=CH-Rb, in which Ra and Rb are identical or different and are a hydrogen atom or a hydrocarbon radical having 1 to 14 carbon atoms, or Ra and Rb, together with the atoms connecting them, can form a ring, at a temperature of from -60 to 200.degree.C, at a pressure of from 0.5 to 100 bar, in solution, in suspension or in the gas phase, in the presence of a catalyst formed from a metallocene in the meso-form or a meso:rac mixture, with meso:rac > 1:99, as transition-metal compound and a cocatalyst, wherein the metallocene is a compound of the formula I, (I) in which M1 is Zr or Hf, R1 and R2 are identical or different and are methyl or chlorine, R3 and R6 are identical or different and are methyl, isopropyl, phenyl, ethyl or trifluoromethyl, R4 and R5 are hydrogen or as defined for R3 and R6, or R4 forms an aliphatic or aromatic ring with R6, or adjacent radicals R4 form a ring of this type, and R7 is a or radical, and m plus n is zero or 1.

    75.
    发明专利
    未知

    公开(公告)号：FI933573A0

    公开(公告)日：1993-08-12

    申请号：FI933573

    申请日：1993-08-12

    Applicant: HOECHST AG

    Inventor： WINTER ANDREAS ,  ANTBERG MARTIN ,  BACHMANN BERND ,  DOLLE VOLKER ,  KUEBER FRANK ,  ROHRMANN JUERGEN ,  SPALECK WALTER

    IPC: C07F17/00 ,  C08F4/44 ,  C08F4/60 ,  C08F4/602 ,  C08F4/639 ,  C08F4/6392 ,  C08F4/642 ,  C08F10/00 ,  C08F110/06 ,  C08F297/08

    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.

    76.
    发明专利
    未知

    公开(公告)号：MX9101939A

    公开(公告)日：1993-07-01

    申请号：MX9101939

    申请日：1991-11-05

    Applicant: HOECHST AG

    Inventor： BOTHER LOTHAR ,  DOLLE VOLKER ,  WINTER ANDREAS ,  WILHELM THOMAS

    IPC: B32B7/02 ,  B32B27/32 ,  B65D65/40 ,  C08J7/04 ,  C08J5/18

    Abstract: A polyolefin film which comprises a polypropylene base layer and at least one top layer of a propylene polymer, wherein the base layer is formed of an isotactic polypropylene and the top layer of a syndiotactic polypropylene, has high sealed-seam strength and excellent optical properties and is useful as, for example, a packaging material.

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