Whitened polymers and the use thereof in coating slips for coating substrates

The present invention relates to polymers whitened with optical brighteners obtained by(a) emulsion polymerization of acrylonitrile with or without a comonomer in the presence or absence of a graftable substrate, and(b) addition of an optical brightener before, during, or after the emulsion polymeri...

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Bibliographische Detailangaben
Hauptverfasser:	ROICK THOMAS, FELDHUES ULRICH, HUNKE BERNHARD, ECKSTEIN UDO, KORTE SIEGFRIED, GEIGER HANS-PETER, SACKMANN G NTER
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS 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 TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TEXTILES THEIR PREPARATION OR CHEMICAL WORKING-UP TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G
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Beschreibung
Zusammenfassung:	The present invention relates to polymers whitened with optical brighteners obtained by(a) emulsion polymerization of acrylonitrile with or without a comonomer in the presence or absence of a graftable substrate, and(b) addition of an optical brightener before, during, or after the emulsion polymerization.