CATIONIC GRAFTED STARCH COPOLYMERS

06-21(1637)A CATIONIC GRAFTED STARCH COPOLYMERS ABSTRACT OF THE DISCLOSURE Cationic starch graft copolymers are dis-closed which improve the dry strength of paper when used as wet-end additives. Such copolymers comprise cationic starch, nonionic vinyl monomers and cationic vinyl monomers which have...

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Hauptverfasser:	DEETS, GARY L, TAMALIS, WILLIAM G
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	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
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Zusammenfassung:	06-21(1637)A CATIONIC GRAFTED STARCH COPOLYMERS ABSTRACT OF THE DISCLOSURE Cationic starch graft copolymers are dis-closed which improve the dry strength of paper when used as wet-end additives. Such copolymers comprise cationic starch, nonionic vinyl monomers and cationic vinyl monomers which have been polymerized.