Dispersible silicone wash and rinse cycle antifoam formulations

Details Dispersible silicone wash and rinse cycle antifoam formulations Dispersible silicone wash and rinse cycle antifoam formulations

1989-08-07

1990-12-18

Niebling, John F.

Compositions

Water-softening or purifying or scale-inhibiting agents

25217421, 25217422, 252321, 252358, B01D 1904

Patent

active

049784714

ABSTRACT:
A dispersible silicone antifoam composition for providing controlled foaming laundry detergent formulations effective in both the wash and the rinse cycles of a washing machine. The antifoam includes a non-aqueous emulsion of primary and secondary silicone antifoam agents, at least one nonionic silicone surfactant for emulsifying the primary and secondary antifoam agents in a solvent, a first organic surfactant dispersing agent for assisting in dispersing the emulsified primary and secondary antifoam agents in the laundry detergent, and a second dispersing agent of a nonionic difunctional block-copolymer terminating in primary hydroxyl groups for further assisting in dispersing the emulsified primary and secondary antifoam agents in the laundry detergent.

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patent: 4732694 (1988-03-01), Gowland et al.
patent: 4749740 (1988-06-01), Aizawa et al.
patent: 4798679 (1989-01-01), Castro

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