Method of manufacturing synthetic silica glass

Details Method of manufacturing synthetic silica glass Method of manufacturing synthetic silica glass

1990-08-31

1991-06-04

Lindsay, Robert L.

Glass manufacturing

Processes

With shaping of particulate material and subsequent fusing...

65901, 501 12, 501 33, C03B 1906

Patent

active

050210734

ABSTRACT:
A method for manufacturing synthetic silica glass by reacting methyl silicate and aqueous ammonia, dispersing the silica particles produced in water, solidifying the silica by the addition of methyl silicate and heating, dehydrating, de-solventing, decarburizing and sintering the solid silica to produce a glass product. The sintered glass may be pulverized to produce a powder. The inventive method is easily carried out and avoids the high energy costs of the prior art. The glass product obtained exhibits excellent high temperature viscosity.

REFERENCES:
patent: 4680048 (1987-07-01), Motoki et al.
patent: 4680049 (1987-07-01), Onorato et al.
patent: 4801318 (1989-01-01), Toki et al.

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