THICKENING AGENTS COMPRISING A CROSSLINKED POLYMER POWDER

The present application relates to a thickening composition comprising (a) 10-50 % by weight, based on the total composition (a) + (b), of a crosslinked hydrophilic water soluble or swellable liquid dispersion polymer and (b) 50-90 % by weight, based on the total composition (a) + (b), of a crosslin...

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Bibliographische Detailangaben
Hauptverfasser: CRABTREE, ALAN, JOHN, BATTY, NORMAN, STEWART
Format: Patent
Sprache:eng ; fre
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Zusammenfassung:The present application relates to a thickening composition comprising (a) 10-50 % by weight, based on the total composition (a) + (b), of a crosslinked hydrophilic water soluble or swellable liquid dispersion polymer and (b) 50-90 % by weight, based on the total composition (a) + (b), of a crosslinked polymer or copolymer of an unsaturated carboxylic acid in powder form, which is especially useful for thickening printing pastes for multicolour jet-printing. L'invention concerne une composition épaississante comportant (a) 10-50 % en poids, basé sur toute la composition (a) + (b), d'un polymère liquide hydrosoluble réticulé hydrophile ou de dispersion liquide gonflable et (b) de 50-90 % en poids, basé sur toute la composition (a) + (b), d'un polymère réticulé ou d'un copolymère d'un acide carboxylique insaturé sous la forme de poudre, particulièrement utile pour épaissir les pâtes d'impression en jet d'encre multicolore.