Fluorine-free calcium-aluminosilicate glasses

Details Fluorine-free calcium-aluminosilicate glasses Fluorine-free calcium-aluminosilicate glasses

1982-06-28

1984-03-20

McCarthy, Helen M.

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

128 90, 501 77, C03C 304, C03C 1200

Patent

active

044382120

ABSTRACT:
The invention relates to calciumaluminosilicate glasses. The glasses contain, in weight percent, 25 to 35% silica, 27 to 35% calcium oxide, 25 to 40% alumina, 0 to 4% of alkali metal oxide selected from lithium oxide, sodium oxide and potassium oxide, and 0 to 5% of titanium oxide and a total content of lithium, sodium, potassium and titanium oxides of 0.5 to 9%. The glasses, in finely divided form, react with aqueous polycarboxylic acids and set to a solid mass; cements made from the glass and polycarboxylic acids are useful in splinting compositions.

REFERENCES:
patent: 3531306 (1970-09-01), Dumbaugh
patent: 3822799 (1974-07-01), Evans
patent: 4108169 (1978-08-01), Parker
patent: 4137086 (1979-01-01), Potter et al.
patent: 4376835 (1983-03-01), Schmitt et al.
patent: 4401773 (1983-08-01), Smyth
Maratheu, A. et al., "Utilisation de Laitiers Siderurgiques pour la Fabrication de Carreaux de Faience"-L'Industrie Ceramique, Jun. 1969, No. 619, pp. 405-414.

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