AQUEOUS DISPERSANT COMPOSITION

The invention relates to aqueous composition having a continuous aqueous phase, wherein the composition comprises*a) a polymer having a polymer backbone having carboxylic acid groups covalently linked to the polymer backbone, dissolved in the continuous aqueous phase, wherein 10 to 100 mol-% of the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Okkel, Andreas, Stelz, Sabine, Stopka, Sabrina
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The invention relates to aqueous composition having a continuous aqueous phase, wherein the composition comprises*a) a polymer having a polymer backbone having carboxylic acid groups covalently linked to the polymer backbone, dissolved in the continuous aqueous phase, wherein 10 to 100 mol-% of the acid groups are neutralized by a base selected from ammonia, and amines having 1 to 12 carbon atoms, and mixtures thereof, *b) a polyalkylene oxide terminated at one end by a hydrocarbyl group having 8 to 30 carbon atoms, and, *c) a compound according to formula (I) (Formula I)*wherein R1 is an aliphatic or aromatic hydrocarbon with 3 to 10 carbon atoms, R2 is H or CH3 and n is 1 or 2, *wherein components a), b), and c) together have an acid value in the range of 20 to 200 mg KOH/g, *and wherein the polymer has one or more pendant groups (A) connected to the polymer backbone by a covalent link, wherein the pendant group (A) comprises a polyalkylene oxide segment and a hydrocarbyl segment having 8 to 30 carbon atoms, and wherein the polyalkylene oxide segment is located between the hydrocarbyl segment and the covalent link.