DE3803029

The present invention provides for a method for reducing the acrylamide present in water-in-oil emulsions of acrylamide polymers with Amidase which comprises adding the Amidase to the water-in-oil emulsion of the acrylamide polymer upon completion of its polymerization, characterized by subjecting t...

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Bibliographische Detailangaben
Hauptverfasser: KAESLER, RALPH W., BARRINGTON, ILL., US, BHATTACHARYYA, BHUPATI, DOWNERS GROVE, ILL., US, WETEGROVE, ROBERT L., WINFIELD, ILL., US
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The present invention provides for a method for reducing the acrylamide present in water-in-oil emulsions of acrylamide polymers with Amidase which comprises adding the Amidase to the water-in-oil emulsion of the acrylamide polymer upon completion of its polymerization, characterized by subjecting the thus treated water-in-oil emulsion to one or more of the following steps: a) pH adjustment b) heating c) inert gas sparging d) adding a chemical reducing agent a