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    41.
    发明专利
    未知

    公开(公告)号：BRPI0609083A2

    公开(公告)日：2010-11-16

    申请号：BRPI0609083

    申请日：2006-04-07

    Applicant: BASF AG

    Inventor： MAASE MATTHIAS ,  STEGMANN VEIT

    IPC: C08B1/00 ,  C08L1/02

    Abstract: Solution comprises cellulose and an ionic liquid containing anions and cations as solvent, where the cation exhibits at least one atom of nitrogen, oxygen, sulfur and phosphorus, which is present in protonated form. An independent claim is included for the preparation of the solution.

    Producing polymers by polymerizing olefinic monomers in the liquid phase in the presence of an ionic liquid catalyst comprises using a pyrazolium salt as the catalyst
    42.
    发明专利
    Producing polymers by polymerizing olefinic monomers in the liquid phase in the presence of an ionic liquid catalyst comprises using a pyrazolium salt as the catalyst 未知

    公开(公告)号：DE102007040919A1

    公开(公告)日：2008-03-27

    申请号：DE102007040919

    申请日：2007-08-30

    Applicant: BASF AG

    Inventor： WISSEL KATHRIN ,  HALBRITTER KLAUS ,  MASSONNE KLEMENS ,  STEGMANN VEIT

    IPC: C07D233/54 ,  C08F4/00 ,  C08F10/00 ,  C08F110/00

    Abstract: Producing homo- or copolymers with a weight-average molecular weight of 10000-10000000 by polymerizing olefinic monomers having 3, 4, 6-8 or 10-30 carbon atoms and optionally olefinic comonomers having 3-30 carbon atoms in the liquid phase in the presence of an ionic liquid catalyst comprises using a pyrazolium salt (I) as the catalyst. Producing homo- or copolymers with a weight-average molecular weight of 10000-10000000 by polymerizing olefinic monomers having 3, 4, 6-8 or 10-30 carbon atoms and optionally olefinic comonomers having 3-30 carbon atoms in the liquid phase in the presence of an ionic liquid catalyst comprises using a pyrazolium salt of formula (I) as the catalyst. R1>-R3>optionally substituted 1-200C aliphatic, alicyclic or aromatic (hetero)hydrocarbyl, or R3> can be H; A : n-valent anion; n : 1-4. An independent claim is also included for pyrazolium salts of formula (I) with the following definitions. R1>-R3>1-6C alkyl, or R3> can be H; A : aluminate anion (AlX4.mAlX3)->; X : halo; m : 0-1.5. [Image].

    SOLVENT SYSTEM BASED ON MOLTEN IONIC LIQUIDS, ITS PRODUCTION AND USE FOR PRODUCING REGENERATED CARBOHYDRATES
    48.
    发明专利
    SOLVENT SYSTEM BASED ON MOLTEN IONIC LIQUIDS, ITS PRODUCTION AND USE FOR PRODUCING REGENERATED CARBOHYDRATES 未知

    公开(公告)号：CA2633623A1

    公开(公告)日：2007-07-12

    申请号：CA2633623

    申请日：2006-12-22

    Applicant: BASF AG

    Inventor： MASSONNE KLEMENS ,  MAASE MATTHIAS ,  HERMANUTZ FRANK ,  STEGMANN VEIT ,  GAEHR FRANK ,  LUTZ MICHAEL ,  UERDINGEN ERIC

    IPC: C08J3/09 ,  C08B1/00 ,  D01F2/02

    Abstract: A solution system for biopolymers in the form of carbohydrates based on a molten ionic liquid, additives optionally being contained in the solution system, is described. This solution system contains a protic solvent or a mixture of several protic solvents, and in the case where the protic solvent is solely water, this is present in the solution system in an amount of more than about 5 wt. %. Carbohydrates can be incorporated into the solution system, in particular in the form of starch, cellulose and derivatives thereof, and it can then be used for regeneration of the carbohydrates contained therein. A particularly advantageous process for the preparation of the solution system containing the carbohydrates and for the preparation of regenerated carbohydrates, in particular in the form of regenerated cellulose fibers, is moreover described. The invention accordingly also provides such spun fibers as are distinguished in that they are non-fibrillating. The invention offers in particular economic advantages over the systems of the prior art.

    49.
    发明专利
    未知

    公开(公告)号：DE102005017733A1

    公开(公告)日：2006-10-19

    申请号：DE102005017733

    申请日：2005-04-15

    Applicant: BASF AG

    Inventor： MAASE MATTHIAS ,  STEGMANN VEIT

    IPC: C08L1/02

    Abstract: The present invention relates to a solution comprising cellulose, an ionic liquid comprising anions and cations as solvent and 6-30% by weight of a nitrogen-comprising base, based on the total weight of the solution, its preparation and also its use for the physical or chemical treatment of cellulose.

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