Process for the production of high molecular weight copolymers of diallyl dimethyl ammonium chloride and acrylamide in solution

Water-soluble, high molecular weight, linear copolymers of diallyl dimethyl ammonium chloride and acrylamide of various cationicities are prepared by copolymerization of a major portion of the acrylamide monomer via stage-addition in a solvent solution and adding a chain transfer agent at the conclu...

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Bibliographic Details
Main Author GARTNER, HERBERT ALFONS
Format Patent
LanguageEnglish
French
German
Published 26.01.1994
Edition5
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
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Summary:Water-soluble, high molecular weight, linear copolymers of diallyl dimethyl ammonium chloride and acrylamide of various cationicities are prepared by copolymerization of a major portion of the acrylamide monomer via stage-addition in a solvent solution and adding a chain transfer agent at the conclusion of said copolymerization to prevent branching and crosslinking from occurring.
Bibliography:Application Number: EP19890309214