PROCESS FOR PREPARING WATER-REDISPERSIBLE POLYMER POWDERS

PROCESS FOR PREPARING WATER-REDISPERSIBLE POLYMER POWDERS

Process for preparing protective colloid-stabilized polymers of ethylenically unsaturated monomers along with uses for the same. The process includes admixing aqueous dispersions of protective colloid-stabilized polymers of ethylenically unsaturated monomers with one or more drying aids and then dry...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: WEITZEL, Hans-Peter, KRICKL, Sebastian, MELCHIN, Timo, WÖLFLE, Heimo, BANNWARTH, Markus
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G
ARTIFICIAL STONE
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
GENERAL PROCESSES OF COMPOUNDING
LIME, MAGNESIA
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
REFRACTORIES
SLAG
THEIR PREPARATION OR CHEMICAL WORKING-UP
TREATMENT OF NATURAL STONE
WORKING-UP
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Beschreibung
Zusammenfassung:Process for preparing protective colloid-stabilized polymers of ethylenically unsaturated monomers along with uses for the same. The process includes admixing aqueous dispersions of protective colloid-stabilized polymers of ethylenically unsaturated monomers with one or more drying aids and then drying the mixture. Where one or more salts of organic compounds containing 1 to 10 carbon atoms and optionally one or more protective colloids are used as drying aids. Where 0.1% to 20% by weight based on the dry weight of the aqueous dispersions of the protective colloid-stabilized polymers of salts of organic compounds containing 1 to 10 carbon atoms is used as drying aids.