Compositions: ceramic – Ceramic compositions – Glass compositions – compositions containing glass other than...
Patent
1988-08-19
1990-04-24
Dixon, Jr., William R.
Compositions: ceramic
Ceramic compositions
Glass compositions, compositions containing glass other than...
501 27, 65135, C03C 604
Patent
active
049200801
ABSTRACT:
Silica is reacted with sodium carbonate to form sodium silicate as a preliminary step in a glass melting process. Preferably, calcium carbonate-containing batch materials are calcined separately and then combined with the sodium silicate as liquefying is initiated. The materials may be substantially free of bubble-producing carbonates as the molten phase begins to form.
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Journal of the Society of Glass Technology, Proceedings 1933, vol. 17, pp. 25-49, (Sheffield, England).
Mellor's Comprehensive Treatise on Inorganic and Theoretical Chemistry, vol. 2, Supp. 2, pp. 1,166-9, 1961.
Dixon Jr. William R.
Jones Deborah
Millman Dennis G.
PPG Industries Inc.
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