Process for producing glass

Details Process for producing glass Process for producing glass

1989-12-11

1991-04-16

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Glass compositions, compositions containing glass other than...

65901, C03C 304

Patent

active

050082191

ABSTRACT:
The present invention relates to a sol-gel glass producing process which comprises hydrolyzing a metal alkoxide in the presence of an organic solvent and an aqueous ammonia solution to obtain a sol solution, concentrating the sol solution to 1.00-1.95 times the volume of the metal alkoxide used, adding an acid catalyst to the resulting concentrate to allow the concentrate to gel, drying the resulting gel, and heating the dried gel to obtain a desired glass.
According to the present invention, a large sized glass can be obtained without the formation of cracks.

REFERENCES:
patent: 4681615 (1987-07-01), Toki et al.

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