Aqueous polyurethane dispersions
    33.
    发明专利

    公开(公告)号:AU653649B2

    公开(公告)日:1994-10-06

    申请号:AU2834992

    申请日:1992-11-13

    Applicant: BASF AG

    Abstract: Aqueous dispersions containing a polyurethane and from 5 to 60% by weight, based on the polyurethane, of an adhesion-improving polymer, the polyurethane consisting essentially of (a) organic diisocyanates, (b) dihydroxy compounds which have a molecular weight of from more than 500 to 5,000 g/mol and contain no ionic groups or groups convertible into ionic groups, (c) compounds having one or two functional groups reactive toward isocyanate and at least one ionic group or group convertible into an ionic group and (d) compounds having at last 3 isocyante groups or at least 3 functional groups reactive toward isocyanate, (e) optionally compounds which differ from (c) and have two functional groups reactive toward isocyanate and a molecular weight of from 60 to 500 g/mol, the compounds (d) being used in amounts such that the functionality F of all components is from 2.01 to 2.5, and the polyurethane or a prepolymer thereof is prepared in a water-miscible solvent boiling below 100 DEG C. and, after addition of the adhesion-improving polymer, is dispersed in water.

    34.
    发明专利
    未知

    公开(公告)号:DE4137660A1

    公开(公告)日:1993-05-19

    申请号:DE4137660

    申请日:1991-11-15

    Applicant: BASF AG

    Abstract: Aqueous dispersions containing a polyurethane and from 5 to 60% by weight, based on the polyurethane, of an adhesion-improving polymer, the polyurethane consisting essentially of (a) organic diisocyanates, (b) dihydroxy compounds which have a molecular weight of from more than 500 to 5,000 g/mol and contain no ionic groups or groups convertible into ionic groups, (c) compounds having one or two functional groups reactive toward isocyanate and at least one ionic group or group convertible into an ionic group and (d) compounds having at last 3 isocyante groups or at least 3 functional groups reactive toward isocyanate, (e) optionally compounds which differ from (c) and have two functional groups reactive toward isocyanate and a molecular weight of from 60 to 500 g/mol, the compounds (d) being used in amounts such that the functionality F of all components is from 2.01 to 2.5, and the polyurethane or a prepolymer thereof is prepared in a water-miscible solvent boiling below 100 DEG C. and, after addition of the adhesion-improving polymer, is dispersed in water.

    35.
    发明专利
    未知

    公开(公告)号:BRPI0611614A2

    公开(公告)日:2011-05-31

    申请号:BRPI0611614

    申请日:2006-05-02

    Applicant: BASF AG

    Abstract: The present invention relates to adhesives comprising at least one silicon-comprising copolymer of C 1 -C 20 -alkyl (meth)acrylates and at least one ethylenically unsaturated acid anhydride or one ethylenically unsaturated dicarboxylic acid whose carboxyl groups can form an anhydride group, or mixtures thereof, or at least one monomer comprising an isocyanate group and capable of free radical copolymerization.

    39.
    发明专利
    未知

    公开(公告)号:DE10052310A1

    公开(公告)日:2002-05-02

    申请号:DE10052310

    申请日:2000-10-21

    Applicant: BASF AG

    Abstract: Aqueous compositions containing a filler and a copolymer based on a vinyl aromatic monomer and a conjugated diene, in which the copolymer also contains 0.1-4.5 wt.% of monomer unit(s) with acid or acid anhydride group(s) and optionally a water-soluble monomer without acid or anhydride groups. Aqueous compositions (I) containing: (A) a polymer (1-60 wt.%) based on: (a) a vinyl aromatic monomer with up to 20 carbon atoms (10-50 wt.%); (b) a non-aromatic hydrocarbon with two conjugated double bonds (45-75 wt.%); (c) a water-soluble monomer containing no acid or acid anhydride groups, with a solubility of at least 100 g/l water at 21 degrees C and 1 bar (0-20 wt.%); (d) a monomer with acid or anhydride group(s) (0.1-4.5 wt.%); and (e) other monomers (0-30 wt.%); and (B) a filler (40-99 wt.%) An Independent claim is also included for substrates coated with (I).

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