KATIONISCHES LEIMUNGSMITTEL FUER PAPIER UND VERFAHREN ZU SEINER HERSTELLUNG
Cationic sizing agents for paper in the form of an aqueous colloid-disperse solution having average particle diameters of from 15 to 200 nm are obtained by dissolving a water-soluble cationic, chemically uniformaly composed terpolymer compound of: (a) from 7 to 40% by weight of N,N-dimethylaminoethy...
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| creator | KOLB,GUENTER,.DR PROBST,JOACHIM,.DR BAEUMGEN,HEINZ MUMMENHOFF,PETER,.DR |
| description | Cationic sizing agents for paper in the form of an aqueous colloid-disperse solution having average particle diameters of from 15 to 200 nm are obtained by dissolving a water-soluble cationic, chemically uniformaly composed terpolymer compound of: (a) from 7 to 40% by weight of N,N-dimethylaminoethyl acrylate and/or methacrylate, (b) from 45 to 80% by weight of styrene, and (c) from 4 to 40% by weight of acrylonitrile in an aqueous medium, the total of components (a) to (c) always amounting to 100% by weight and at least 10% of the N,N-dimethylamino groups of the terpolymer being quaternized and the rest being protonated, and by emulsifying, in the presence of from 10 to 70% by weight, based on the following monomer mixture, of this emulsifier, (d) acrylonitrile or methacrylonitrile in quantities of from 5 to 95% by weight, with (e) C1-C12-alkyl esters of acrylic acid and/or of methacrylic acid in quantities of from 5 to 95% by weight, the total of components (d) and (e) amounting to 100% by weight, and by subjecting the emulsion thus obtained to a radically initiated emulsion polymerization process at temperatures of from 20 DEG to 150 DEG C. |
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| subjects | CHEMISTRY COMPOSITIONS BASED THEREON IMPREGNATING OR COATING OF PAPER MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D PRODUCTION OF CELLULOSE PULP COMPOSITIONS TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G |
| title | KATIONISCHES LEIMUNGSMITTEL FUER PAPIER UND VERFAHREN ZU SEINER HERSTELLUNG |
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