Catalyst and method of making the same

Details Catalyst and method of making the same Catalyst and method of making the same

1981-11-16

1983-12-06

Morgenstern, Norman

Coating processes

Immersion or partial immersion

Running lengths

427435, 428469, 428689, B05D 118, B05D 724

Patent

active

044193947

ABSTRACT:
A coating solution, useful in the process of coating a substrate with an alumina film, can be formed by adding to an alkali aluminate solution a sufficient quantity of an alumina gel which is a precipitate formed by the reaction of aluminum sulfate with aqueous ammonium hydroxide at a pH of between about 6 and 8. The added alumina gel effects a coating of an adherent alumina trihydrate film on a substrate upon the contacting of the substrate with the coating solution.

REFERENCES:
patent: 3227659 (1966-01-01), Brandenburg et al.
patent: 3231520 (1966-01-01), Leak et al.

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