Microwave-dried amorphous alkali metal silicate powders and thei

Details Microwave-dried amorphous alkali metal silicate powders and thei Microwave-dried amorphous alkali metal silicate powders and thei

1997-07-29

1999-10-05

Langel, Wayne

Bleaching and dyeing; fluid treatment and chemical modification

Cleaning or laundering

Removing formation impurities from artifical fiber

423332, 510276, 510357, 510511, 510531, C01B 3332

Patent

active

059616636

ABSTRACT:
A microwave-dried amorphous alkali metal silicate detergent builder is provided characterized by a surface area of at least 20 m.sup.2 /gram and a water content of at least about 13%, by weight. The microwave-dried silicate provides effective complexation with hardness ion in wash water and more rapid solubility than conventional spray-dried silicate powders. The microwave-dried silicate can function as an efficient builder in laundry detergent compositions and over a broad range of laundry detergent applications.

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patent: 4022704 (1977-05-01), Balfanz et al.
patent: 4118333 (1978-10-01), Dugan et al.

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