Foamable glass composition and glass foam

Details Foamable glass composition and glass foam Foamable glass composition and glass foam

1981-03-11

1982-08-31

Bell, Mark

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

106 75, 501 60, 501 61, 501 62, 501 65, 501 66, 501 67, 501 68, 501 70, 501 72, C03C 1100, C03C 304, C03C 308, C03C 310

Patent

active

043473261

ABSTRACT:
Foamable glass composition suitable for making glass foam, which starts from water glass material and consisting essentially of 100 parts by weight of anhydrous modified sodium silicate and 0.5-4 parts by weight of CaCO.sub.3 as a foaming agent. A foam in the closed-cell form, which is light is in weight, and excellent water resistance, strength and heat resistance, is obtained, wherein CO.sub.2 in a gas existing in the cell is 50% by volume or more.

REFERENCES:
patent: 2191658 (1940-02-01), Haux
patent: 2758937 (1956-08-01), Ford
patent: 3663249 (1972-05-01), Rao
patent: 3951632 (1976-04-01), Seki et al.
patent: 4124365 (1978-11-01), Williams et al.

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