Union Carbide Corporation

Arthur F Denny

John D Sherman

Anthony J Gioffre

Zeolite-containing agglomerates which rapidly disperse in water are prepared by admixing molten polyethylene glycol with a hot aqueous solution of alkylbenzene sulfonate, blending the resulting mixture with hydrated zeolite A crystals and thereafter drying and comminuting the blend.

Process for preparing zeolite-containing detergent agglomerates

Zeolite agglomerates which when admixed with conventional laundry detergent formulations remain uniformly distributed and upon contact with hard water rapidly disperse and sequester the hardness cations thereof are comprised of zeolite crystals in a matrix of an ethoxylated linear alcohol and sodium citrate.

Zeolite agglomerates for detergent formulations

Mixtures of zeolite A and zeolite X containing about 40 to 70 weight per cent of each species are found to exhibit a synergistic effect in the sequestering by ion exchange of calcium and magnesium ions in hard water. These zeolite mixtures can be advantageously used in detergent compositions as substitutes in part or in full for polyphosphate builders.

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Katonah, NY, United States of America

Arthur F Denny