Choline chloride in liquid guar formulations
AssigneeRhodia Operations
InventorsMichelle McKnight, Leahann Iannotta, Thomas Ruch, Marc Balastre
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Abstract
A concentrated adjuvant composition comprises an incompletely hydrated water-soluble polymer suspended in a liquid medium, a suspension agent and a hydration inhibitor component.
Claims22
A concentrated adjuvant composition, comprising, based on 100 parts by weight of the composition:
- greater than 1.8 parts by weight of an incompletely hydrated water-soluble polymer suspended in a liquid medium;
- a hydration inhibitor component comprising choline bicarbonate, choline dihydrogen citrate, choline bitarate, potassium hydrogen phosphate, potassium carbonate, or any combination thereof;
- and
- a suspending agent in an amount effective to impart shear thinning properties to the composition.
A concentrated adjuvant composition, comprising, based on 100 parts by weight of the composition,
- from about 1 to about 20 parts by weight of a guar polymer suspended in aqueous medium, said guar polymer having a weight average molecular weight of from about 100,000 to about 5,000,000 grams per mole;
- a hydration inhibitor component comprising choline bicarbonate, choline dihydrogen citrate, choline bitarate, potassium hydrogen phosphate, potassium carbonate, or any combination thereof;
- wherein said composition exhibits:
- (a) a viscosity of greater than or equal to 5 Pa·s at a shear rate of less than 0.01 s−1, and
- (b) a viscosity of less than 5 Pa·s at a shear rate of greater than 10 s−1.
A method for making a concentrated adjuvant composition that comprises a mixture of an aqueous liquid medium, an incompletely hydrated water-soluble polymer dispersed in the aqueous liquid medium, and a hydration inhibitor component for inhibiting hydration of the water-soluble polymer, comprising:
- contacting the hydration inhibitor component with the aqueous liquid medium, and
- contacting the water-soluble polymer with the mixture of aqueous liquid and a hydration inhibitor component to disperse the water-soluble polymer,
- wherein the hydration inhibitor component comprises choline bicarbonate, choline dihydrogen citrate, choline bitarate, potassium hydrogen phosphate, potassium carbonate, or any combination thereof.
Dependencies are inferred from the claim text.