Aqueous polymeric solution of a neutralized crosslinked polymeri

Details Aqueous polymeric solution of a neutralized crosslinked polymeri Aqueous polymeric solution of a neutralized crosslinked polymeri

1992-01-23

1993-09-21

Albrecht, Dennis

Compositions

Compositions containing a single chemical reactant or plural...

Organic reactant

252 95, 252 99, 252173, 25217424, 252DIG14, C11D 337, C11D 714, C11D 726, C11D 1104

Patent

active

052466159

ABSTRACT:
An aqueous solution of an alkali metal neutralized polyacrylic acid and an alkali metal detergent builder salt and/or an alkali metal silicate is used as a base stock polymeric solution for the fomulation of an automatic dishwasher detergent composition which is a linear viscoelastic, pseudoplastic, gel-like aqueous product of exceptionally good physical stability, low bottle residue, low cup leakage, and improved cleaning performance. Linear viscoelasticity and pseudoplastic behavior is attributed by incorporation of cross-linked high molecular weight polyacrylic acid type thickener. Potassium to sodium weight ratios of at least 1/1 minimize amount of undissolved solid particles to further contribute to stability and pourability. Control of incorporated air bubbles functions to provide the product with a bulk density of about 1.35 to 1.40 g/cc which roughly corresponds to the density of the liquid phase. Stearic acid or other fatty acid or salt further improved physical stability.

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patent: 5089162 (1992-02-01), Rapisarda
patent: 5130043 (1992-07-01), Prince
patent: 5141664 (1992-08-01), Corring

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