Lithium Carbonate/Sodium Sulfate Eutectic-An Additive for Improving Glass Production

A phase diagram for the system lithium carbonate/sodium sulfate was developed by DTA measurements in a CO2 atmosphere. The lithium carbonateisodium sulfate eutectic composition from that system improved glassmelting, speeded fining, and reduced the viscosity of a standard fiber glass when used as an...

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Veröffentlicht in:	Journal of the American Ceramic Society 1983-01, Vol.66 (9), p.660-663
Hauptverfasser:	BROWN, PATRICK M., BORYTA, DANIEL A.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Building materials. Ceramics. Glasses Chemical industry and chemicals Exact sciences and technology Glasses Manufacture
Online-Zugang:	Volltext
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Beschreibung
Zusammenfassung:	A phase diagram for the system lithium carbonate/sodium sulfate was developed by DTA measurements in a CO2 atmosphere. The lithium carbonateisodium sulfate eutectic composition from that system improved glassmelting, speeded fining, and reduced the viscosity of a standard fiber glass when used as an additive. Improved melting rates were postulated to result from reaction of lithia with glass‐forming components at a relatively low temperature. Lithia is formed by decomposition of Li2CO3 or Li2CO3/Na2SO4 eutectic in air at or near their melting points.
ISSN:	0002-7820 1551-2916
DOI:	10.1111/j.1151-2916.1983.tb10617.x