Fabrication of sintered high-silica glasses

Details Fabrication of sintered high-silica glasses Fabrication of sintered high-silica glasses

1981-07-31

1983-12-06

Schor, Kenneth M.

Glass manufacturing

Processes

Forming product or preform from molten glass

65 311, 65 32, 65 181, 65 183, 501 12, C03B 3701, C03B 1906

Patent

active

044191154

ABSTRACT:
High-silica glasses are formed by sintering a dried gel at temperatures below the liquidus. The gel may be formed by mixing colloidal silica particles or silica-containing liquids with appropriate liquids. Fragmentation of the gel during drying is advantageously avoided by redispersing the dried gel or sol in a liquid to yield a colloidal suspension which is then gelled, dried, and finally sintered below the liquidus.

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patent: 4323381 (1982-04-01), Matsuyama et al.
patent: 4324576 (1982-04-01), Matsuyama et al.

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