Method for preparing an aqueous polyacrylamide solution

A method for preparing an aqueous polyacrylamide solution is disclosed. The method comprises: - hydrating acrylonitrile in water in presence of a biocatalyst capable of converting acrylonitrile to acrylamide so as to obtain an acrylamide solution, - directly polymerizing the acrylamide solution so a...

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Main Authors El-Toufaili, Faissal-Ali, Barratt, John, Langlotz, Bjoern, Meckelnburg, Dirk, Ostermayr, Markus, Schube, Bernd, Bringmann, Tobias, Fonseca Zepeda, Gabriela Eugenia, Soetje, Oliver, Sprafke, Hazel Anne, Jeck, Sandra, Loesch, Dennis
Format Patent
LanguageEnglish
Published 18.10.2018
Subjects
CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Summary:A method for preparing an aqueous polyacrylamide solution is disclosed. The method comprises: - hydrating acrylonitrile in water in presence of a biocatalyst capable of converting acrylonitrile to acrylamide so as to obtain an acrylamide solution, - directly polymerizing the acrylamide solution so as to obtain a polyacrylamide gel, and - directly dissolving the polyacrylamide gel by addition of water so as to obtain an aqueous polyacrylamide solution.
Bibliography:Application Number: AU20170257205