Process for producing a glass melt

Details Process for producing a glass melt Process for producing a glass melt

1995-10-05

1998-01-20

Edwards, Laura

Glass manufacturing

Processes

Fining or homogenizing molten glass

65 171, 651359, 501 30, C03C 100, C03C 606

Patent

active

057097259

ABSTRACT:
A process for producing a glass melt by heating stock for glass comprising as the main ingredients oxides from which oxide glasses are to be formed into a melt, characterized in that said ingredients are formed into a homogeneous melt in the presence of a halide of a cation selected from the group consisting of hydrogen, lithium, sodium, potassium, magnesium, calcium and ammonium whereby the melting takes place at a lower temperature than that required with no addition of the specific halide.

REFERENCES:
patent: 3779733 (1973-12-01), Janakirama-Rao
patent: 4314031 (1982-02-01), Sanford et al.
patent: 4820326 (1989-04-01), Speit
patent: 5089446 (1992-02-01), Cornelius et al.
Volf, Milos B., Chemical Approach to Glass, Halogens, pp. 562-577, 1984.
Chemical Abstracts, vol. 110, No. 13, Jun. 26, 1989, AN 236150, JP-A-63 303 808.
Database WPI, Derwent Publications, AN 90032438, JP-A-1 308 844, Dec. 13, 1989.
Database WPI, Derwent Publications, AN 92-189139, JP-A-4 124 045, Apr. 24, 1992.
Database WPI, Derwent Publications, AN 91-284669, JP-A-3 187-945, Aug. 15-1991.

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