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    Water-soluble copolymers, process for their preparation and their use
    45.
    发明专利
    Water-soluble copolymers, process for their preparation and their use 未知

    公开(公告)号：DE3712317A1

    公开(公告)日：1988-10-20

    申请号：DE3712317

    申请日：1987-04-11

    Applicant: BASF AG

    Inventor： SEELMANN-EGGEBERT HANS-PETER D ,  BOECKH DIETER DR ,  HARTMANN HEINRICH DR ,  TRIESELT WOLFGANG DR

    IPC: A01N25/26 ,  C08F2/10 ,  C08F220/04 ,  A01C1/00 ,  A01C1/08

    Abstract: Water-soluble copolymers having a K value of from 8 to 100 (determined by the method of H. Fikentscher on the sodium salt in aqueous solution at 25@C, a pH of 7 and a polymer concentration of the Na salt of 1 % by weight) which, in polymerised form, contain a) from 99 to 15 mol % of at least one monoethylenically unsaturated C3- to C6-monocarboxylic acid, b) from 0.5 to 84.5 mol % of at least one monoethylenically unsaturated C4- to C6-dicarboxylic acid, c) from 0 to 20 mol % of one or more hydroxyalkyl esters, having 2 to 6 carbon atoms in the hydroxyalkyl group, of monoethylenically unsaturated C3- to C6-carboxylic acids, d) from 0 to 30 mol % of other water-soluble, monoethylenically unsaturated monomers which are copolymerisable with a), b) and c), and e) from 0.5 to 15 mol % of a comonomer containing at least two ethylenically unsaturated, non-conjugated double bonds and at least one -CO-OH group and/or a salt thereof with an alkali metal, ammonium or alkaline earth metal base, the preparation of the water-soluble copolymers by copolymerisation of the monomers a) to e), and the use of the copolymers for coating seed.

    46.
    发明专利
    未知

    公开(公告)号：DE19645024A1

    公开(公告)日：1998-05-07

    申请号：DE19645024

    申请日：1996-10-31

    Applicant: BASF AG

    Inventor： BOECKH DIETER DR ,  POTTHOFF-KARL BIRGIT DR ,  BERTLEFF WERNER DR ,  NEUMANN PETER DR ,  JAHNS EKKEHARD DR ,  BIASTOCH RALF DR ,  WEHLAGE THOMAS DR

    IPC: B01J13/14 ,  B01J13/18 ,  C11D3/37 ,  C11D3/39 ,  C11D17/00 ,  C11D3/395 ,  C11D1/83

    Abstract: Microcapsules containing a bleaching assistant obtained by polymerisation of a monomer mixture comprising (total monomer mixture = 100 wt. %) (a) 5-100 wt. % of at least one ethylenically unsaturated carboxylic acid anhydride, (b) 0-95 wt. % of at least one monoethylenically unsaturated monomer different to monomer group (a), (c) 0-80 wt. % crosslinking monomers having at least two non-conjugated monoethylenically unsaturated groups in the molecule and (d) 0-20 wt. % water soluble monoethylenically unsaturated monomers, in the oil phase of a stable oil-in-water emulsion in the presence of radical forming polymerisation initiators, and optionally continuously or periodically increasing the temperature of the polymerisation reaction mixture during the polymerisation are new. The oil phase of the emulsion contains or consists of the bleaching assistant. Also claimed are washing and cleaning agents containing the encapsulated bleaching agent assistants for the cleaning of textile s.

    47.
    发明专利
    未知

    公开(公告)号：DE59500894D1

    公开(公告)日：1997-12-04

    申请号：DE59500894

    申请日：1995-07-05

    Applicant: BASF AG

    Inventor： BOECKH DIETER DR ,  SEELMANN-EGGEBERT HANS-PETER D ,  JAEGER HANS-ULRICH DR ,  KAHL ROLF-DIETER ,  SCHORNICK GUNNAR DR

    IPC: C08L51/00 ,  C08L51/08 ,  C09K3/00 ,  C11D1/44 ,  C11D1/72 ,  C11D3/00 ,  C11D3/20 ,  C11D3/37

    Abstract: A low viscosity mixt. contains (i) 40-97.5 wt.% of amphiphilic nonionic graft polymer contg.(a) at least 20 wt.% of polyalkylene oxide units or polyvinylpyrrolidone units as the hydrophilic part of the molecule and (b) at least 40% of vinyl ester and/or (meth)acrylic ester units as the hydrophobic part of the molecule, (ii) 2.5-60% of polyalkylene glycol,alkoxylated alcohol, alkylphenol or amine, or 2-10C cpd. with 1-4 OH gps., when Mn of the polymers is not above 2500, as viscosity reducer, and (iii) 0-40% of homogenising or phase stabilising additive comprising (1) water, (2) an 8-25C mono- or di-basic acid, fatty alcohol sulph(on)ate, alkylbenzene sulphonate, sulphonation and/or sulphation prod. of 8-22C alkoxylated alcohol or alkylphenol, alkyl(poly)glucoside with 1-20C in the alkyl gp., mono-, oligo- or poly-saccharide or derivs. obtd. by oxidn. or redn., or (c) mixts. of (1) and (2) in ratio by wt. of 100:1-20:80.

    48.
    发明专利
    未知

    公开(公告)号：AT159748T

    公开(公告)日：1997-11-15

    申请号：AT95110442

    申请日：1995-07-05

    Applicant: BASF AG

    Inventor： BOECKH DIETER DR ,  SEELMANN-EGGEBERT HANS-PETER D ,  JAEGER HANS-ULRICH DR ,  KAHL ROLF-DIETER ,  SCHORNICK GUNNAR DR

    IPC: C08L51/00 ,  C08L51/08 ,  C09K3/00 ,  C11D1/44 ,  C11D1/72 ,  C11D3/00 ,  C11D3/20 ,  C11D3/37

    Abstract: A low viscosity mixt. contains (i) 40-97.5 wt.% of amphiphilic nonionic graft polymer contg.(a) at least 20 wt.% of polyalkylene oxide units or polyvinylpyrrolidone units as the hydrophilic part of the molecule and (b) at least 40% of vinyl ester and/or (meth)acrylic ester units as the hydrophobic part of the molecule, (ii) 2.5-60% of polyalkylene glycol,alkoxylated alcohol, alkylphenol or amine, or 2-10C cpd. with 1-4 OH gps., when Mn of the polymers is not above 2500, as viscosity reducer, and (iii) 0-40% of homogenising or phase stabilising additive comprising (1) water, (2) an 8-25C mono- or di-basic acid, fatty alcohol sulph(on)ate, alkylbenzene sulphonate, sulphonation and/or sulphation prod. of 8-22C alkoxylated alcohol or alkylphenol, alkyl(poly)glucoside with 1-20C in the alkyl gp., mono-, oligo- or poly-saccharide or derivs. obtd. by oxidn. or redn., or (c) mixts. of (1) and (2) in ratio by wt. of 100:1-20:80.

    49.
    发明专利
    未知

    公开(公告)号：DE19519339A1

    公开(公告)日：1996-11-28

    申请号：DE19519339

    申请日：1995-05-26

    Applicant: BASF AG

    Inventor： SCHADE CHRISTIAN DR ,  DETERING JUERGEN DR ,  STEIN STEFAN DR ,  BOECKH DIETER DR ,  JAEGER HANS-ULRICH DR

    IPC: C08F2/38 ,  C08F26/00 ,  C08F226/06 ,  C08L39/00 ,  C11D3/37 ,  C11D3/28

    Abstract: The invention concerns water-soluble copolymers obtained by the radically initiated solution polymerization of: a) between 10 and 99.5 wt % of at least one vinylimidazole of formula (I), in which R , R and R are identical or different and stand for H, C1 to C4 alkyl, monomers of formula (II), in which R and R are identical or different and stand for H, C1 to C4 alkyl or form with one another a ring of between 3 and 5 methylene groups, N-vinyloxazolidone, N-vinyltriazole, 4-vinylpyridine-N-oxide or mixtures of said monomers; b) between 0 and 89.5 wt% of other copolymerizable monoethylenically unsaturated monomers; and c) between 0.5 and 30 wt% of at least one monomer acting as cross-linking agent with at least two ethylenically unsaturated non-conjugated double bonds. The polymerization is carried out in water and/or polar organic solvents in the presence of polymerization control agents, between 0.1 and 5 parts by weight of polymerization control agents being used per 1 part by weight of cross-linking agent. The invention also concerns a process for preparing said copolymers by radically initiated solution polymerization of the monomers in the presence of polymerization control agents, and the use of the copolymers as additives for washing products.

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