Thickener for colour systems

D - Textiles – Paper – 06 – P

Patent

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Details

D06P 1/50 (2006.01)

Patent

CA 2625174

The invention relates to the combined use of starch(es) and starch derivatives together with at least one high-viscosity cellulose as thickener in dispersion binder-based colour systems, the cellulose having a viscosity of > 50,000 mPa.s, measured by the Brookfield rotation viscometer as a 2 % swollen aqueous solution at 5 rpm and 25 ~C. The invention further relates to a method for production of dispersion binder-based colour systems and a dispersion colour thickener combination and a dispersion colour containing the dispersion colour thickener combination.

La présente invention concerne l'utilisation combinée d'amidon(s) ou de dérivés d'amidon avec au moins une cellulose à viscosité élevée en tant qu'épaississant dans des systèmes de peinture à base de liant de dispersion, la cellulose ayant une viscosité > 50000 mPa.s mesurée au moyen d'un viscosimètre à rotation de Brookfield, sous la forme d'une solution aqueuse gonflée à 2 % à 5 Upm et 25 °C. L'invention a également pour objet un procédé pour préparer des systèmes de peinture à base de liant de dispersion, et une combinaison d'épaississant de peinture dispersion et une peinture dispersion contenant une combinaison d'épaississant de peinture dispersion.

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