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    22.
    发明专利
    未知

    公开(公告)号：ES2168629T3

    公开(公告)日：2002-06-16

    申请号：ES97920747

    申请日：1997-04-24

    Applicant: BASF AG

    Inventor： MOLL ULRICH ,  DECKERS ANDREAS ,  KINGMA AREND JOUKE ,  WEBER WILHELM

    IPC: C08F2/00 ,  C08F4/44 ,  C08F4/46 ,  C08F4/50 ,  C08F4/622 ,  C08F4/639 ,  C08F4/6392 ,  C08F4/642 ,  C08F4/68 ,  C08F10/02 ,  C08F110/02

    Abstract: A process is disclosed for preparing ethylene polymers with a molecular weight Mw (weight average) lower than 20,000 g/mole at temperatures in a range from 200 to 280 DEG C and pressures in a range from 1000 to 3500 bars in the presence of a catalyst system. The catalyst system used contains: (A) a non-bridged substituted or unsubstituted biscyclopentadienyl complex; (B) a metal compound of general formula (I) M (R )r (R )s (R )t, in which M is an alkaline, an alkaline earth metal or a metal of the third main group of the periodic table; R is hydrogen, C1-C10-alkyl, C6-C15-aryl, alkylaryl or arylalkyl with 1 to 10 C atoms in the alkyl radical and 6 to 20 C atoms in the aryl radical; R and R independently represent hydrogen, halogen, C1-C10-alkyl, C6-C15-aryl, alkylaryl, arylalkyl or alkoxy with 1 to 10 C atoms in the alkyl radical and 6 to 20 C atoms in the aryl radical; r is an integer from 1 to 3; and s and t are integers from 0 to 2, the sum r+s+t corresponding to the valency of M ; and (C) a metallocene ion-forming compound selected in a group which consists of strong, neutral Lewis acids, ionic compounds with lewis acid cations and ionic compounds with Brönsted acids as cations. Components (A), (B) and (C) are mixed together and after at the latest 5 minutes are dosed in the reactor.

    24.
    发明专利
    未知

    公开(公告)号：AT209221T

    公开(公告)日：2001-12-15

    申请号：AT97920747

    申请日：1997-04-24

    Applicant: BASF AG

    Inventor： MOLL ULRICH ,  DECKERS ANDREAS ,  KINGMA AREND JOUKE ,  WEBER WILHELM

    IPC: C08F2/00 ,  C08F4/44 ,  C08F4/46 ,  C08F4/50 ,  C08F4/622 ,  C08F4/639 ,  C08F4/6392 ,  C08F4/642 ,  C08F4/68 ,  C08F10/02 ,  C08F110/02

    Abstract: A process is disclosed for preparing ethylene polymers with a molecular weight Mw (weight average) lower than 20,000 g/mole at temperatures in a range from 200 to 280 DEG C and pressures in a range from 1000 to 3500 bars in the presence of a catalyst system. The catalyst system used contains: (A) a non-bridged substituted or unsubstituted biscyclopentadienyl complex; (B) a metal compound of general formula (I) M (R )r (R )s (R )t, in which M is an alkaline, an alkaline earth metal or a metal of the third main group of the periodic table; R is hydrogen, C1-C10-alkyl, C6-C15-aryl, alkylaryl or arylalkyl with 1 to 10 C atoms in the alkyl radical and 6 to 20 C atoms in the aryl radical; R and R independently represent hydrogen, halogen, C1-C10-alkyl, C6-C15-aryl, alkylaryl, arylalkyl or alkoxy with 1 to 10 C atoms in the alkyl radical and 6 to 20 C atoms in the aryl radical; r is an integer from 1 to 3; and s and t are integers from 0 to 2, the sum r+s+t corresponding to the valency of M ; and (C) a metallocene ion-forming compound selected in a group which consists of strong, neutral Lewis acids, ionic compounds with lewis acid cations and ionic compounds with Brönsted acids as cations. Components (A), (B) and (C) are mixed together and after at the latest 5 minutes are dosed in the reactor.

    25.
    发明专利
    未知

    公开(公告)号：ES2156389T3

    公开(公告)日：2001-06-16

    申请号：ES97929194

    申请日：1997-06-17

    Applicant: BASF AG

    Inventor： BIDELL WOLFGANG ,  LANGHAUSER FRANZ ,  MOLL ULRICH ,  MC KENZIE IAN DAVID ,  FISCHER DAVID ,  HINGMANN ROLAND

    IPC: C08F4/642 ,  C08F4/16 ,  C08F4/602 ,  C08F4/619 ,  C08F4/6192 ,  C08F10/00 ,  C08F110/06

    Abstract: A process for preparing a supported transition metal catalyst comprising a particulate organic or inorganic support material, a transition metal complex and a compound capable of forming metallocenium ions comprises the following process steps:a) contacting a solution of a compound capable of forming metallocenium ions with a second solvent in which this compound is only sparingly soluble, in the presence of the support material,b) removing at least part of the solvent from the support material andc) contacting a solution of a mixture of a compound capable of forming metallocenium ions and a transition metal complex with a second solvent in which this mixture is only sparingly soluble, in the presence of the support material obtained as described in a) and b).

    Catalyst systems of the Ziegler-Natta type
    29.
    发明专利
    Catalyst systems of the Ziegler-Natta type 未知

    公开(公告)号：AU2477397A

    公开(公告)日：1997-12-18

    申请号：AU2477397

    申请日：1997-06-10

    Applicant: BASF AG

    Inventor： HUFFER STEPHAN ,  BIDELL WOLFGANG ,  MULLER PATRIK ,  MOLL ULRICH ,  HINGMANN ROLAND ,  SCHWEIER GUNTHER

    IPC: C08F4/654 ,  C08F4/02 ,  C08F4/646 ,  C08F4/658 ,  C08F10/00 ,  C08F110/06 ,  C08F4/643 ,  C08F4/52 ,  C08F10/06

    Abstract: Ziegler-Natta type catalyst system (ZNC), containing (a) a titanium-based solid component containing compounds of Ti and magnesium, a halogen, an inorganic oxide support (IOS) and a carboxylate ester as electron donor, (b) an aluminium compound and (c) optionally another electron donor, in which the oxide (IOS) has a pH of 1-6, an average particle diameter of 5-200 microns and an average primary particle diameter of 1-20 mu m, and contains pores or channels with an average diameter of 0.1-20 mu m in amounts of 5-30 vol%. Also claimed is (i) a process for the production of ZNC by interacting components (a), (b) and (c) together at 0-150 degrees C and 1-100 bar; (ii) a process for the production of polymers of 2-20C alk-1-enes by polymerisation of the alkene (preferably propylene) and optionally other comonomers at 20-150 degrees C and 1-100 bar in presence of (ZNC); (iii) polymers of propylene obtained by this process.

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