Xanthan viscosified compositions and preparation thereof

Details Xanthan viscosified compositions and preparation thereof Xanthan viscosified compositions and preparation thereof

C - Chemistry, Metallurgy

08

L

C08L 5/00 (2006.01) C08B 37/00 (2006.01) C12P 19/06 (2006.01)

Patent

CA 2369294

A xanthan gum viscosifier having enhanced hydration and dispersibility properties and xanthan viscosified compositions demonstrating improved thermal stability with retained low shear rate viscosity, is disclosed. Also disclosed is a process for improving the thermal stability and low shear rate viscosity of viscosified compositions and a process for the preparation of divalent cation-containing xanthan viscosified compositions using low shear mixing.

La présente invention concerne un améliorant de viscosité de gomme de xanthane possédant des propriétés d'hydratation et de dispersibilité renforcées, et des composition de xanthane rendu visqueux présentant une stabilité à la chaleur tout en conservant une viscosité sous faible taux de cisaillement. Cette invention concerne aussi un processus permettant d'améliorer la stabilité à la chaleur et une viscosité sous faible taux de cisaillement de compositions rendues visqueuses, et un processus de préparation de compositions de xanthane rendu visqueux contenant des ions de métal bivalents, par mélange sous cisaillement faible.

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