Process for preparing inorganic foam materials

Details Process for preparing inorganic foam materials Process for preparing inorganic foam materials

1978-01-18

1979-01-09

Poer, James

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

C04B 2102

Patent

active

041336917

ABSTRACT:
An inorganic foam formed by initially mixing particulate aluminum with an aqueous solution of an alkali metal base for a time sufficient to at least initially cause the formation of hydrogen gases therefrom, folding the mixture into an aqueous alkali metal silicate solution in a manner to substantially retain concentrated areas of the mixture in the silicate solution for a time sufficient to allow a substantial amount of the theoretical hydrogen gas to form, then thoroughly mixing the materials to form a solid inorganic foam.

REFERENCES:
patent: 2664405 (1953-12-01), Andersen et al.
patent: 3396112 (1968-08-01), Burrows
patent: 3700470 (1972-10-01), Barton
patent: 3784385 (1974-01-01), Nekrasov et al.

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