Acrylamide-acrylic acid copolymers prodn

High mol. wt. acrylamide/acrylic acid copolymers are prepd. by (dis)continuous copolymerisation in dil. aq. soln. of acrylamide, Na acrylate and ammonium persulphate, the soln. having previously been freed from O2 with an inert gas, and the copolymerisation being carried out at 50-75 deg.C for 1-10...

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Bibliographische Detailangaben
Hauptverfasser:	LASZLO SOLTESZ, ZOLTAN FERDINAND, JANOS BENCZIK, MIKLOS GERZSON, ERNO GARA, MIHALY VARGA, GYORGY HALAS, JOZSEF BALOGH, KALMAN RAJNAI, JENO RATKOVSZKY
Format:	Patent
Sprache:	eng ; ita
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	High mol. wt. acrylamide/acrylic acid copolymers are prepd. by (dis)continuous copolymerisation in dil. aq. soln. of acrylamide, Na acrylate and ammonium persulphate, the soln. having previously been freed from O2 with an inert gas, and the copolymerisation being carried out at 50-75 deg.C for 1-10 hrs.