Alumina dispersions

Details Alumina dispersions Alumina dispersions

1974-10-08

1976-01-27

Douglas, Winston A.

Compositions: coating or plastic

Materials or ingredients

Miscellaneous

106288B, C08K 322

Patent

active

039350231

ABSTRACT:
Stable aqueous dispersions of alumina are formed at concentrations of above about 18% to about 26% on a weight basis by dispersing alumina in a hydrochloric acid solution where the Al.sub.2 O.sub.3 /HCl parts by weight ratio is maintained between 54 and 65 pbw of Al.sub.2 O.sub.3 /l pbw of HCl.

REFERENCES:
patent: 2590833 (1952-04-01), Bechtold
patent: 2787522 (1957-04-01), Lefrancois
patent: 2915475 (1959-12-01), Bugosh
patent: 3357791 (1967-12-01), Napler

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