Compositions: ceramic – Ceramic compositions – Glass compositions – compositions containing glass other than...
Patent
1988-10-26
1990-07-24
Bell, Mark L.
Compositions: ceramic
Ceramic compositions
Glass compositions, compositions containing glass other than...
501 54, C03C 306
Patent
active
049435426
ABSTRACT:
A silica glass excellent in optical properties can be produced by a sol-gel process without generating cracks and fractures by adding to a hydrolysis system at least before gelation (A) an organic polymer such as a polyalkylene glycol, etc. and/or (B) an organic solvent such as N,N-dimethylacetamide, etc.
Hayashi Fusashi
Imai Akihito
Matii Yooichi
Nakada Takao
Simazaki Toshikatsu
Bell Mark L.
Hitachi Chemical Company Ltd.
Jones Deborah
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