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    ZIEGLER/NATTA CATALYST MODIFIED IN PROCESS OF PRODUCTION AND ITS PRODUCTION
    1.
    发明专利
    ZIEGLER/NATTA CATALYST MODIFIED IN PROCESS OF PRODUCTION AND ITS PRODUCTION 失效

    公开(公告)号：JPH10152517A

    公开(公告)日：1998-06-09

    申请号：JP24886197

    申请日：1997-09-12

    Applicant: BASF AG

    Inventor： HUEFFER STEPHAN DR ,  MOLL ULRICH DR ,  MAC KENZIE IAN DAVID DR ,  LANGHAUSER FRANZ DR ,  KOELLE PETER DR ,  HINGMANN ROLAND DR ,  SCHWEIER GUENTHER DR ,  HEMMERICH RAINER DR ,  KERTH JUERGEN DR

    IPC: C08F4/02 ,  C08F4/642 ,  C08F4/646 ,  C08F4/654 ,  C08F4/658 ,  C08F10/00

    Abstract: PROBLEM TO BE SOLVED: To provide Ziegler/Natta catalyst composition capable of providing a high productivity and stereospecificity, producible in a short time and capable of reducing the amount a titanium- or a chlorine-containing starting material. SOLUTION: This Ziegler/Natta catalyst composition comprises (a) a titanium- containing solid component, (b) an aluminum compound and, as necessary, (c) an electron donative compound. The component (a) is produced by mixing an inorganic compound as a carrier with a solution of a magnesium compound without containing chlorine in an inert solvent, then reacting the resultant mixture with a 1-8C alkanol in an excessive amount of >=1.3 times based on the magnesium compound at -20 to +80 deg.C under stirring, subsequently mixing the prepared product with a tri- or a tetravalent titanium compound and a carboxylic acid ester as an electron donor without carrying out the purification and extraction thereof, then separating a solid material by filtration, extracting the resultant solid with a solution containing >=5wt.% titanium tetrachloride in an inert solvent and further washing the solid material with a liquid alkane.

    3.
    发明专利
    未知

    公开(公告)号：DE19637367A1

    公开(公告)日：1998-03-19

    申请号：DE19637367

    申请日：1996-09-13

    Applicant: BASF AG

    Inventor： HUEFFER STEPHAN DR ,  MOLL ULRICH DR ,  KOELLE PETER DR ,  HINGMANN ROLAND DR

    IPC: C08F4/642 ,  C08F4/646 ,  C08F4/654 ,  C08F10/00 ,  C08F110/06

    Abstract: Ziegler-Natta-type catalyst system contains (a) a solid component containing titanium (Ti), obtained by reacting a Ti compound with a compound of magnesium (Mg), a halogen, an inorganic oxide as carrier, a 1-8 carbon (C) alkanol and a carboxylic ester as electron donor; and, as co-catalyst, (b) an aluminium (Al) compound and (c) optionally another electron donor compound as active constituents. In the preparation of (a), the individual components are reacted in the presence of an aromatic hydrocarbon as solvent. Also claimed are: (i) a method of producing the catalyst system; (ii) propylene polymers prepared using this catalyst system; and (iii) films, fibres and mouldings made from these polymers. Preferably component (a) is prepared in a 7-12 C alkylbenzene, especially ethylbenzene. The inorganic oxide has a pH of 1-6.5 and average particle diameter of 5-200 mu m and contains 5-30 volume-% pores or ducts with an average diameter of 1-20 mu m. It preferably is spray dried and especially consists of silica gel. The Al compound (b) is a tri-(1-8 C alkyl)-Al compound. Component (c) is an organo-silicon compound of formula R nSi(OR )4-n (I); R = 1-20 C alkyl, 5-7-membered cycloalkyl (optionally mono-substituted by 1-10 C alkyl) or 6-20 C aryl or arylalkyl; R = 1-20 C alkyl; n = 1, 2 or 3.

    5.
    发明专利
    未知

    公开(公告)号：ES2055846T3

    公开(公告)日：1994-09-01

    申请号：ES90120682

    申请日：1990-10-29

    Applicant: BASF AG

    Inventor： KOELLE PETER DR ,  SCHWAGER HARALD DR ,  KERTH JUERGEN DR ,  ZOLK RALF DR

    IPC: C08F10/06 ,  C08F4/60 ,  C08F4/642 ,  C08F4/646 ,  C08F4/649 ,  C08F4/651 ,  C08F4/654 ,  C08F10/00

    Abstract: Catalyst systems of the Ziegler-Natta catalyst type, containing, as active constituents, a) a titanium-containing solid component which contains titanium, magnesium, halogen and a carboxylic acid ester, and, as cocatalyst, b) an aluminium compound and c) optionally further electron-donor compounds, characterised in that they contain, as the carboxylic acid ester in the solid component a), an ester of a benzophenone-2-carboxylic acid of the formula I in which R is a hydrogen atom, a C1-C15-alkyl group or a halogen atom. These catalyst systems are particularly suitable for the preparation of polypropylene and copolymers of propylene with minor amounts of other alpha , beta -unsaturated olefinic compounds having 2 to 12 carbon atoms.

    6.
    发明专利
    未知

    公开(公告)号：AT107669T

    公开(公告)日：1994-07-15

    申请号：AT90120682

    申请日：1990-10-29

    Applicant: BASF AG

    Inventor： KOELLE PETER DR ,  SCHWAGER HARALD DR ,  KERTH JUERGEN DR ,  ZOLK RALF DR

    IPC: C08F10/06 ,  C08F4/60 ,  C08F4/642 ,  C08F4/646 ,  C08F4/649 ,  C08F4/651 ,  C08F4/654 ,  C08F10/00

    Abstract: Catalyst systems of the Ziegler-Natta catalyst type, containing, as active constituents, a) a titanium-containing solid component which contains titanium, magnesium, halogen and a carboxylic acid ester, and, as cocatalyst, b) an aluminium compound and c) optionally further electron-donor compounds, characterised in that they contain, as the carboxylic acid ester in the solid component a), an ester of a benzophenone-2-carboxylic acid of the formula I in which R is a hydrogen atom, a C1-C15-alkyl group or a halogen atom. These catalyst systems are particularly suitable for the preparation of polypropylene and copolymers of propylene with minor amounts of other alpha , beta -unsaturated olefinic compounds having 2 to 12 carbon atoms.

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