METHOD OF PRODUCING REVERSE MICROEMULSIONS FROM NON-IONIC POLYMERS OR IONIC COPOLYMERS

METHOD OF PRODUCING REVERSE MICROEMULSIONS FROM NON-IONIC POLYMERS OR IONIC COPOLYMERS

The method comprises the polymerization of nonionic monomers, such as acrylamide, or a mixture of nonionic monomers (acrylamide) and anionic monomers ((meth)acrylic acid or the salts thereof) into a reverse microemulsion in the presence of an auto-reversible surfactant system in contact with an aque...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: VALLE CHAUSSON, BEATRIZ, OCHOA GOMEZ, JOSE RAMON, MUNOZ HERNANDEZ, MARTA, RIO PEREZ, FRANCISCA, GOMEZ ALIENDE, NICOMEDES, SASIA SANTOS, PEDRO MANUEL, ESCUDERO SANZ, JAVIER
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
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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Beschreibung
Zusammenfassung:The method comprises the polymerization of nonionic monomers, such as acrylamide, or a mixture of nonionic monomers (acrylamide) and anionic monomers ((meth)acrylic acid or the salts thereof) into a reverse microemulsion in the presence of an auto-reversible surfactant system in contact with an aqueous solution or suspension, which can thermodynamically stabilize the system, at a nonionic monomer to anionic monomer mass ratio comprised between 100:0 and 40:60.