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    PROPYLENE-ETHYLENE BLOCK COPOLYMERS
    82.
    发明专利
    PROPYLENE-ETHYLENE BLOCK COPOLYMERS 未知

    公开(公告)号：AU550078B2

    公开(公告)日：1986-02-27

    申请号：AU9020382

    申请日：1982-11-05

    Applicant: BASF AG

    Inventor： JAGGARD JAMES F R ,  SCHWEIER GUENTHER ,  KLAERNER PETER

    IPC: C08F297/08 ,  C08F2/00 ,  C08F4/64

    Abstract: Propylene/ethylene block copolymers are prepared by a process in which, in an agitated bed comprising small polymer particles, first (I) propylene is homopolymerized from the gas phase, in a first polymerization zone, by feeding in a Ziegler-Natta catalyst comprising (1) a titanium(III) component and (2) a dialkyl-aluminum chloride component, with or without (3) a further catalyst component, and then (II) the product obtained in the first polymerization zone is fed into a second polymerization zone, where a mixture of propylene and ethylene is polymerized with the propylene homopolymer present in this product. In this process, the Ziegler-Natta catalyst employed contains a titanium(III) component (1) which is prepared by subjecting (1.1) a titanium-containing compound (a) of the formula TiCl3. nAlCl3 and (1.2) an electron donor (b), consisting of (b1) an ester of a particular class or (b2) a phosphorus-containing compound of a particular class, to a special milling procedure, the particular features of which are special metering and temperature conditions, suspending the resulting intermediate in a mixture of a liquid hydrocarbon (c) and an oxygen-containing compound (d), comprising (d1) an ether of a certain class and/or (d2) an ester of a certain class, and then heating the suspension obtained. The solid remaining in suspension is the titanium(III) component (1) which is to be employed for the polymerization. The polymer obtained has improved morphological properties.

    86.
    发明专利
    未知

    公开(公告)号：NO310364B1

    公开(公告)日：2001-06-25

    申请号：NO960089

    申请日：1996-01-09

    Applicant: BASF AG

    Inventor： ROHDE WOLFGANG ,  SAIVE ROLAND ,  GOERTZ HANS-HELMUT ,  SCHWEIER GUENTHER

    IPC: C08F4/02 ,  C08F4/639 ,  C08F4/6392 ,  C08F4/69 ,  C08F10/00

    Abstract: Polyalk-1-enes are prepared by polymerization of alk-1-enes with the aid of the compound bis(cyclopentadienyl)-chromium(II)in which the cyclopentadienyl rings may carry inert organic radicals, said compound being adsorbed on an inorganic oxide carrier, by a process in which the polymerization is carried out in the presence of an organometallic compound of a metal of main groups I to III or of a metal hydride, in particular of n-butyl-lithium.

    88.
    发明专利
    未知

    公开(公告)号：AT200784T

    公开(公告)日：2001-05-15

    申请号：AT97903321

    申请日：1997-02-19

    Applicant: BASF AG

    Inventor： LYNCH JOHN ,  FISCHER DAVID ,  GOERTZ HANS-HELMUT ,  SCHWEIER GUENTHER

    IPC: C08F2/14 ,  C08F2/18 ,  C08F4/02 ,  C08F4/60 ,  C08F4/642 ,  C08F4/646 ,  C08F4/659 ,  C08F4/6592 ,  C08F4/68 ,  C08F10/00 ,  C08F110/02

    Abstract: Polymers of alkenes are prepared by suspension polymerization in the presence of catalyst systems by a process in which the catalyst systems used are supported catalyst systems obtainable by A) reaction of an inorganic carrier with a metal compound of the general formula I M1(R1)r(R2)s(R3)t(R4)u I where M1 is an alkali metal, an alkaline earth metal or a metal of main group III or IV of the Periodic Table, R1 is hydrogen, C1-C10-alkyl, C6-C15-aryl, alkylaryl or arylalkyl, each having 1 to 10 carbon atoms in the alkyl radical and 6 to 20 carbon atoms in the aryl radical, R2 to R4 are each hydrogen, halogen, C1-C10-alkyl, C6-C15-aryl, alkylaryl, arylalkyl, alkoxy or dialkylamino, each having 1 to 10 carbon atoms in the alkyl radical and 6 to 20 carbon atoms in the aryl radical, r is an integer from 1 to 4 and s, t and u are integers from 0 to 3, the sum r+s+t+u corresponding to the valency of M1, B) reaction of the material obtained according to A) with a metallocene complex in its metal dihalide form and a compound forming metallocenium ions and C) subsequent reaction with a metal compound of the general formula II M2(R5)o(R6)p(R7)q IIin which M2 is an alkali metal, an alkaline earth metal or a metal of main group III of the Periodic Table, R5 is hydrogen, C1-C10-alkyl, C6-C15-aryl, alkylaryl or arylalkyl, each having 1 to 10 carbon atoms in the alkyl radical and 6 to 20 carbon atoms in the aryl radical, R6 and R7 are each hydrogen, halogen, C1-C

    89.
    发明专利
    未知

    公开(公告)号：DE19826403A1

    公开(公告)日：1999-12-16

    申请号：DE19826403

    申请日：1998-06-15

    Applicant: BASF AG

    Inventor： KRISTEN MARC OLIVER ,  LANGHAUSER FRANZ ,  SCHWEIER GUENTHER ,  SITZMANN HELMUT ,  KRAMMER RALF ,  SAURENZ DIRK

    IPC: B32B27/32 ,  C07F5/02 ,  C07F5/06 ,  C07F7/00 ,  C07F7/08 ,  C07F7/10 ,  C07F7/12 ,  C07F7/22 ,  C07F7/30 ,  C07F9/28 ,  C07F17/00 ,  C08F4/58 ,  C08F4/62 ,  C08F4/659 ,  C08F10/00 ,  C08F110/00 ,  C08F210/00 ,  D01F6/30 ,  C07F9/00 ,  C07F5/00 ,  C07F19/00 ,  C08L23/00

    Abstract: The invention relates to transition metal complexes of general formulas (Ia) or (Ib) in which the substituents and indices have the following meanings: M represents titanium, zirconium, hafnium, vanadium, niobium or tantalum or an element of the third subgroup of the periodic table or of the lanthanides; X represents fluorine, chlorine, bromine, iodine, hydrogen, C1-C10-alkyl, C6-C15-alkyl aryl having 1 to 10 C-atoms in the alkyl residue and 6 to 20 C-atoms in the aryl residue, -OR or -NR R ; n represents 1, 2, or 3, whereby n corresponds to the valence of M minus the number 2; Y represents (a), (b), (c) or (d); Z represents a triple-linking binding group and; A and A represent double-linking binding links. The invention also relates to a method for producing the transition metal complexes, to their production as compounds used as intermediate products, and to the use of transition metal complexes for the polymerization of olefins. Further, the invention relates to a method for the polymerization of olefins, homopolymerizates or copolymerizates of ethylene or of propylene having other C2-C12-alk-1-enes, to their use for producing films, fibers or shaped bodies, and to the films, fibers and shaped bodies made of these polymerizates.

    90.
    发明专利
    未知

    公开(公告)号：ES2126765T3

    公开(公告)日：1999-04-01

    申请号：ES94921621

    申请日：1994-06-23

    Applicant: BASF AG

    Inventor： ROHDE WOLFGANG ,  SAIVE ROLAND ,  GOERTZ HANS-HELMUT ,  SCHWEIER GUENTHER

    IPC: C08F4/02 ,  C08F4/639 ,  C08F4/6392 ,  C08F4/69 ,  C08F10/00

    Abstract: Polyalk-1-enes are prepared by polymerization of alk-1-enes with the aid of the compound bis(cyclopentadienyl)-chromium(II)in which the cyclopentadienyl rings may carry inert organic radicals, said compound being adsorbed on an inorganic oxide carrier, by a process in which the polymerization is carried out in the presence of an organometallic compound of a metal of main groups I to III or of a metal hydride, in particular of n-butyl-lithium.

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