Inorganic foams

Details Inorganic foams Inorganic foams

1983-05-25

1985-10-15

Doll, John

Compositions: ceramic

Ceramic compositions

Pore-forming

501 85, 106 86, C04B 2102

Patent

active

045474699

ABSTRACT:
Strong rigid foams comprising one or more layer minerals useful as insulation and fire-protection materials contain cells of which the mean diameter is below 60 microns, 90% have a diameter below 100 microns and substantially all are of diameter below 150 microns and are made by gasifying an aqueous suspension of the layer mineral(s) to produce a wet foam or froth containing bubbles of gas of which the diameters are as stated above and removing water from the wet foam or froth.

REFERENCES:
patent: 3737332 (1973-06-01), Sennet et al.
patent: 3944425 (1976-03-01), Madger
patent: 4123285 (1978-10-01), Schuster et al.
patent: 4269628 (1981-05-01), Ballard et al.
patent: 4395456 (1983-07-01), Jackson et al.
patent: 4424280 (1984-01-01), Malric

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