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WAESSRIGE DISPERSION EINES WASSERLOESLICHEN POLYMERS UND VERFAHREN ZU SEINER HERSTELLUNG

Water-soluble polymer dispersion for use as, e.g. retention aid for paper manufacturing, comprises water-soluble monomer(s), water-soluble cationic monomer(s), stabilizer, and cationic polyelectrolyte as co-stabilizer.
 
: Struck, O.; Przybyla, C.; Jaeger, W.; Hahn, M.; Ruppelt, D.

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Frontpage ()

DE 2002-10221585 A: 20020515
EP 2003-752963 AW: 20030515
WO 2003-SE793 A: 20030515
EP 1511776 A1: 20050309
C08F0002
Deutsch
Patent, Elektronische Publikation
Fraunhofer IAP ()

Abstract
WO2003097703 A UPAB: 20040115 NOVELTY - Water-soluble polymer dispersion comprises a dispersed polymer made up of at least one water-soluble monomer and at least one water-soluble cationic monomer, at least one stabilizer, and at least one cationic polyelectrolyte as co-stabilizer. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are also included for: (a) a method of producing a water-soluble monomer A and at least one water-soluble cationic monomer B in an aqueous solution in the presence of a polymer stabilizer C and a co-stabilizer D; and (b) a process for the production of paper from an aqueous suspension containing cellulosic fibers and optional fillers, which comprises adding to the suspension a water-soluble polymer dispersion, and forming and draining the suspension on a wire. USE - The water-soluble polymer dispersion is used as retention aid for paper manufacturing, as thickening agent, and/or as soil improvement agent (claimed). ADVANTAGE - The inventive water-soluble polymer dispersion exhibits low viscosity, a high active content of polymer, and/or a high molecular weight of the polymer. The polymer can be produced without the use of hydrophobic or amphiphilic monomers.

: http://publica.fraunhofer.de/dokumente/N-44845.html