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    24.
    发明专利
    未知

    公开(公告)号：DK0557694T3

    公开(公告)日：1997-05-20

    申请号：DK93100444

    申请日：1993-01-14

    Applicant: BASF AG

    Inventor： MUELLER MICHAEL WOLFGANG DR ,  RUPANER ROBERT DR ,  ANGEL MAXIMILIAN DR ,  BOEHLKE KLAUS DR

    IPC: C08F2/26 ,  C08F2/30 ,  C08F20/10 ,  C08F20/52 ,  C08F212/00 ,  C08F212/08 ,  C08F218/02 ,  C08F218/04 ,  C08F220/04 ,  C08F220/10 ,  C08F220/12 ,  C08F220/18 ,  C08F220/42 ,  C08F220/44 ,  C08F220/56 ,  C08F222/02 ,  C08F246/00 ,  C09D125/00 ,  C09D125/02 ,  C09D125/08 ,  C09D131/02 ,  C09D133/02 ,  C09D133/04 ,  C09D133/08 ,  C09D133/26 ,  C09D157/04 ,  C09G1/16

    Abstract: Coating composition containing an emulsion polymer obtainable by free-radical-initiated emulsion polymerisation of a monomer mixture comprising A) from 15 to 60% by weight of an acrylate containing a primary or secondary C1- to C18-alkyl group, which may be interrupted by oxygen atoms, as the alcohol radical (monomer I), a methacrylate containing a primary or secondary C5- to C18-alkyl group, which may be interrupted by oxygen atoms, as the alcohol radical (monomer II), or a mixture of these monomers, B) from 15 to 50% by weight of an acrylate or methacrylate containing a tertiary C4- to C8-alkyl group as the alcohol radical (monomer III), an acrylate or methacrylate containing a C6- to C12-alcohol radical (monomer IV) comprising or containing an alicyclic or aromatic group, a methacrylate containing a primary or secondary C1- to C4-alkyl group as the alcohol radical (monomer V), acrylonitrile or methacrylonitrile (monomer VI), acrylamide or methacrylamide (monomer VII), a vinyl ester of a C1- to C8-carboxylic acid (monomer VIII), or a mixture of these monomers, C) from 10 to 50% by weight of one or more C8- to C12-vinyl aromatic compounds (monomer IX), D) from 8 to 20% by weight of an olefinically unsaturated C3- to C5-mono- or C4- to C8-dicarboxylic acid, or anhydrides thereof (monomer X), or a mixture of these monomers, E) from 0 to 5% by weight of further copolymerisable monomers containing functional groups (monomers XI), in the presence of from 0.1 to 10% by weight, based on the monomer mixture comprising A to E, of an emulsifier mixture comprising (a) one or more sulphosuccinic acid derivatives of the formula I in which M is an alkali metal or ammonium, which may be substituted by one to four C1- to C4-alkyl or C1- to C4-hydroxyalkyl groups, and X and Y are identical or different and are each O-(CnH2nO)m-R, OM or NHR, where at least one of the radicals X and Y is O-(CnH2nO)m-R or NHR, R is C6- to C18-alkyl, C6- to C18-alkenyl, C5- to C8-cycloalkyl, (C1- to C12-alkyl)aryl or phenyl, n is a number from 2 to 4, and m is a number from 0 to 30, (b) from 0.1 to 10 parts by weight, per part by weight of (a), of at least one further anionic emulsifier, and (c) from 0 to 10 parts by weight, per part by weight of (a), of one or more nonionic emulsifiers.

    25.
    发明专利
    未知

    公开(公告)号：DE4435422A1

    公开(公告)日：1996-04-18

    申请号：DE4435422

    申请日：1994-10-04

    Applicant: BASF AG

    Inventor： BAUMSTARK ROLAND DR ,  RUPANER ROBERT DR

    IPC: C08F2/00 ,  C08F2/16 ,  C08F2/22 ,  C08F4/40 ,  C08F6/00 ,  C08F12/08 ,  C08F14/06 ,  C08F14/08 ,  C08F18/08 ,  C08F18/10 ,  C08F20/04 ,  C08F20/12 ,  C08F20/56 ,  C08F6/14 ,  C08J3/03

    Abstract: A process is disclosed for preparing an aqueous polymer dispersion. An aqueous dispersion of a polymer that contains at least one chemically bound, incorporated monomer containing at least one ethylenically unsaturated group, is prepared in a manner known per se, so that the aqueous polymer dispersion contains in total more than 0 but less than or 1 % by weight of free, i.e. non chemically bound monomers having an ethylenically unsaturated double bond, in relation to the polymer content of the aqueous polymer dispersion. This residual monomer content is then reduced with a radical redox initiator system containing at least one oxidising agent and at least one reducing agent. The redox initiator system contains as reducing agent a reducing agent that is present in an aqueous solution in at least two mutually balanced tautomer forms, for example the aminoiminomethanosulfinic acid and/or its salts.

    Fillable, softener-containing aqueous polymer dispersion
    29.
    发明专利
    Fillable, softener-containing aqueous polymer dispersion 未知

    公开(公告)号：DE19810051A1

    公开(公告)日：1999-04-15

    申请号：DE19810051

    申请日：1998-03-09

    Applicant: BASF AG

    Inventor： RUPANER ROBERT DR ,  MATHAUER KLEMENS DR ,  HAUNSCHILD ALEXANDER DR

    IPC: C08F287/00 ,  C09D4/06 ,  C08F20/42 ,  C08F18/04 ,  C08F20/18 ,  C08L33/00

    Abstract: Fillable, softener-containing aqueous polymer dispersion contains softener comprising at least one AB, ABA and/or BAB block copolymer with the blocks bonded either directly or via linking groups, where A is a hydrophobic or acidic block with a C-C main chain derived from (meth)acrylic acid and/or an aliphatic olefin or diene with 2-5C and B is a hydrophilic polyether block. Fillable, softener-containing aqueous dispersion of a polymer containing at least 30 wt.% monomers from 1-10C alkyl ester or nitrile of methacrylic and/or acrylic acid or the vinyl ester with a 2-12C monocarboxylic acid has a solids content of at least 20 wt.%. The softener is at least one AB, ABA and/or BAB block copolymer with the blocks bonded either directly or via linking groups, where A is a hydrophobic or acidic block with a C-C main chain derived from (meth)acrylic acid, 1-10C alkyl-(meth)acrylate, styrene, vinyl ester of a 2-12C monocarboxylic acid and/or an aliphatic olefin or diene with 2-5C and B is a hydrophilic polyether block derived from ethylene oxide (EO), propylene oxide (PO) and/or butylene oxide (BO).

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