Zinc complexes of basic aluminum chlorides and methods of making

Details Zinc complexes of basic aluminum chlorides and methods of making Zinc complexes of basic aluminum chlorides and methods of making

1975-06-03

1976-03-30

Stern, Edward

Chemistry of inorganic compounds

Halogen or compound thereof

Plural metal or metal and ammonium containing

423462, 424 47, C01G 2504, C01F 700, C01G 900, C01G 2500

Patent

active

039475565

ABSTRACT:
Alcohol soluble complexes of basic aluminum chlorides may be prepared by adding zinc bromide or chloride, or zirconyl bromide or hydroxybromide, or zinc or zirconyl mixtures of the above to an aqueous solution of five-sixths basic aluminum chloride, and drying the resulting mixture to a substantially friable solid. The complexes preferably have an Al/Zn or Al/Zr mol ratio of about 3:1 to 20:1, and the complex solids preferably contain about 12 to 30 weight percent water by Karl Fischer analysis. Such complex solids have a high degree of solubility in anhydrous alcohol and a high compatibility with halogenated hydrocarbons, thus making the complexes suitable for aerosol formulations and particularly antiperspirant compositions.

REFERENCES:
patent: 2492085 (1949-12-01), Andersen
patent: 2854382 (1958-09-01), Grad
patent: 2906668 (1959-09-01), Beekman
patent: 3009771 (1961-11-01), Grote
patent: 3405153 (1968-10-01), Jones et al.

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