Preparation of detergent bars containing zinc oxide

Details Preparation of detergent bars containing zinc oxide Preparation of detergent bars containing zinc oxide

1977-06-06

1978-06-13

Pitlick, Harris A.

Compositions

Compositions containing a single chemical reactant or plural...

Organic reactant

252 90, 252132, 252134, 252174, 252DIG16, C11D 312, C11D 920, C11D 1700

Patent

active

040948072

ABSTRACT:
The invention relates to a method of incorporating zinc oxide into a detergent bar. In order to avoid grittiness in the bar the zinc oxide is slurried in an aqueous or organic liquid before it is added to the detergent material. Preferably the zinc oxide used has a particle size distribution such that not more than about 5% by weight of the oxide is held on a 10 micron sieve and not more than about 3% by weight is held on a 30 micron sieve. The invention is particularly applicable to the production of superfatted bars.

REFERENCES:
patent: 787776 (1905-04-01), Liebnecht
patent: 2649417 (1953-08-01), Compa
patent: 3850834 (1974-11-01), Hellsten
Bennett -- "The Chemical Formulary," vol. I, 1910, van Nostrand Co., p. 86.
Hackhis -- "The Chemical Dictionary," 4th Ed., McGraw-Hill Co., 1969, p. 735.

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