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    11.
    发明专利
    未知

    公开(公告)号：DE10141006A1

    公开(公告)日：2003-03-06

    申请号：DE10141006

    申请日：2001-08-21

    Applicant: BASF AG

    Inventor： BOECKH DIETER ,  BECKER STEFAN ,  HAMERS CHRISTOPH ,  SCHMIDT KATI

    IPC: C08F220/04 ,  C08F220/34 ,  C08F220/60 ,  C11D3/37 ,  D06M15/37 ,  C09D123/08 ,  C09D135/00 ,  C09D7/02 ,  C08F220/56 ,  C08F226/00

    Abstract: The invention relates to the use of amphoteric polymers based on ethylenically unsaturated monomers, as additives for promoting dirt separation in products for surface conditioning. Said polymers contain (a) 20 to 95 wt. % of at least one monoethylenically unsaturated carboxylic acid, (b) 5 to 80 wt. % of at least one monoethylenically unsaturated cationic monomer, (c) 0 to 75 wt. % of other monoethylenically unsaturated non-ionic or amphoteric monomers, (d) 0 to 20 wt. % of other monoethylenically unsaturated monomers containing acid groups and (e) 0 to 15 wt. % of multi-ethylenically unsaturated monomers, said compounds being incorporated by statistic or block polymerisation. Said polymers have an isoelectric point from 2.5 to 11 and a mean molar weight MW from 5,000 to 5,000,000.

    METHOD FOR PRODUCING MULTI-LAYERED SURFACE STRUCTURES, PARTICLES OR FIBRES
    15.
    发明专利
    METHOD FOR PRODUCING MULTI-LAYERED SURFACE STRUCTURES, PARTICLES OR FIBRES 未知

    公开(公告)号：CA2584764A1

    公开(公告)日：2006-05-04

    申请号：CA2584764

    申请日：2005-10-20

    Applicant: BASF AG

    Inventor： AUWETER HELMUT ,  FREUDENBERG UWE ,  ZSCHOCHE STEFAN ,  SCHMIDT KATI ,  WERNER CARSTEN ,  BEHRENS SVEN HOLGER

    IPC: C08B15/00

    Abstract: The process for producing multilayered sheetlike structures, particles or fibers comprises the steps of (a) applying a reactive polycarboxylic acid or one of its derivatives atop a sheetlike, particulate or fibrous carrier material already comprising, or previously provided with, groups reactive toward, capable of covalent bonding with, the polycarboxylic acid or one of its derivatives, (b) if appropriate heating the carrier material treated in step (a) to a temperature in the range from 60° C. to 130° C. and preferably to a temperature in the range from 80° C. to 120° C. to hasten, complete or further optimize the covalent bonds, (c) applying atop the carrier material a cellulose capable of covalent bonding with the polycarboxylic acid or its derivatives. The present invention further relates to the use of the present invention's process for production of multilayered sheetlike structures, particles or fibers for hydrophilicizing surfaces, in particular for adhesion promotion between hydrophobic and hydrophilic materials and for improving the washability of synthetic fibers, the surfaces which are hydrophilicized by the process forming the sheetlike, particulate or fibrous carrier material.

    USE OF POLYACRYLIC ACIDS AS GRINDING AIDS FOR CALCIUM CARBONATE
    17.
    发明专利
    USE OF POLYACRYLIC ACIDS AS GRINDING AIDS FOR CALCIUM CARBONATE 未知

    公开(公告)号：CA2518622A1

    公开(公告)日：2004-09-23

    申请号：CA2518622

    申请日：2004-03-05

    Applicant: BASF AG

    Inventor： SCHMIDT KATI ,  MICHL KATHRIN ,  GOTSCHE MICHAEL ,  RIEGER JENS

    IPC: B02C23/06 ,  C01F11/18 ,  C08F20/06

    Abstract: The invention relates to the use of polyacrylic acids which contain organic terminal groups containing sulphur, comprising at least two carbon atoms, having an average molecular weight Mwof 5 000 - 30 000 g/mol and which are a t least partially neutralised by a base which is selected from the group of alkali hydroxides and ammonia as auxiliary agents for wet grinding of calciu m carbonate. The invention also relates to fine particle aqueous suspensions o f calcium carbonate which are produced by wet grinding of calcium carbonate in the presence of said polyacrylic acids.

    19.
    发明专利
    未知

    公开(公告)号：BR0210362A

    公开(公告)日：2004-08-10

    申请号：BR0210362

    申请日：2002-06-14

    Applicant: BASF AG

    Inventor： HAMERS CHRISTOPH ,  BOECKH DIETER ,  SCHMIDT KATI

    IPC: D06L1/12 ,  C11D1/02 ,  C11D1/38 ,  C11D1/66 ,  C11D1/90 ,  C11D1/94 ,  C11D3/00 ,  C11D3/37 ,  C11D17/00 ,  D06M11/00 ,  D06M11/155 ,  D06M13/46 ,  D06M15/263 ,  D06M15/285 ,  D06M15/356 ,  D06M15/61 ,  D06M23/08 ,  D06M15/00

    Abstract: Cationically surface-modified hydrophilic crosslinked polymer nanoparticles are claimed, as is also stain-release treatment of textile or non-textile surfaces using aqueous dispersions of the particles. Independent claims are included for: (1) cationically-modified hydrophilic crosslinked polymer nanoparticles of size 10 nm to 2 microns which are surface-coated with cationic polymers, polyvalent metal ions or cationic surfactants, the crosslinked polymer comprising (by wt.): (a) carboxyl group-containing ethylenically-unsaturated monomers or salts (60-99.9%); (b) water-insoluble mono- ethylenically-unsaturated monomers (0-40%); (c) multi-ethylenically-unsaturated monomer (0.01-30%); (d) sulfonic- and/or phosphonic-acid-containing monomers (0-25%); and (e) water-soluble nonionic monomers (0-30%); (2) aqueous dispersions of such particles, the dispersions being stabilized with anionic, nonionic and/or betaine-type surfactants and/or protective colloids; and (3) stain-releasing treatment of textile or non-textile surfaces using the dispersions.

    TREATMENT METHOD, WHICH PROMOTES THE REMOVAL OF DIRT, FOR THE SURFACES OF TEXTILES AND NON-TEXTILES
    20.
    发明专利
    TREATMENT METHOD, WHICH PROMOTES THE REMOVAL OF DIRT, FOR THE SURFACES OF TEXTILES AND NON-TEXTILES 未知

    公开(公告)号：CA2450264A1

    公开(公告)日：2002-12-27

    申请号：CA2450264

    申请日：2002-06-14

    Applicant: BASF AG

    Inventor： BOECKH DIETER ,  SCHMIDT KATI ,  HAMERS CHRISTOPH

    IPC: D06L1/12 ,  C11D1/02 ,  C11D1/38 ,  C11D1/66 ,  C11D1/90 ,  C11D1/94 ,  C11D3/00 ,  C11D3/37 ,  C11D17/00 ,  D06M11/00 ,  D06M11/155 ,  D06M13/46 ,  D06M15/263 ,  D06M15/285 ,  D06M15/356 ,  D06M15/61 ,  D06M23/08

    Abstract: The invention relates to a treatment method, which promotes the removal of dirt, for the surfaces of textiles and non-textiles. According to said metho d, cationically modified, hydrophilic nanoparticles, based on cross-linked polymers, are applied from an aqueous dispersion to the surface of the materials. Said cross-linked polymers consist of (a) between 60 and 99.99 wt . % of one or more ethylenically unsaturated monomers containing carboxyl groups, or the salts thereof, (b) between 0 and 40 wt. % of one or more wate r- insoluble, monoethylenically unsaturated monomers, (c) between 0.01 and 30 w t. % of one or more ethylenically polyunsaturated monomers, (d) between 0 and 2 5 wt. % of one or more monomers containing sulphonic acid and/or phosphonic acid, or the salts thereof, (e) between 0 and 30 wt. % of one or more water- soluble, non-ionic monomers. The dispersion of the hydrophilic nanoparticles can be stabilised with anionic, non-anionic and/or betainic emulsifiers and/ or protective colloids. The hydrophilic nanoparticles have a particle size of between 10 and 2 .mu.m and are modified cationically by covering their surfa ce with one or more cationic polymers, one or more polyvalent metallic ions and/or one or more cationic surfactants.

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