Producing molten glass and batch components therefor

Details Producing molten glass and batch components therefor Producing molten glass and batch components therefor

1988-12-07

1991-04-02

Dixon, Jr., William R.

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

501 28, 501 31, 65135, C03C 600

Patent

active

050047060

ABSTRACT:
A method of producing molten glass wherein silica is heated with a batch component comprising a sodium alkaline earth silicate which includes a major portion of the sodium in the resultant molten glass. There is also disclosed a batch component for use in glass manufacture, comprising sodium calcium silicate, and, optionally, sodium magnesium silicate. There is further disclosed a method of producing a batch component comprising sodium calcium silicate for use in glass manufacture, the method comprising heating a mixture of (i) a source of sodium oxide and (ii) (a) a source of calcium silicate or (b) a source of calcium oxide and a source of silica, at a temperature of greater than about 800.degree. C.

REFERENCES:
patent: 4142907 (1979-03-01), Manring
Chemical Abstracts, vol. 75, 1971, p. 650, 58112C.
Chemical Abstracts, vol. 92, 1980, p. 271, 46328R.

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