Chemistry of inorganic compounds – Silicon or compound thereof – Oxygen containing
Patent
1985-09-30
1989-02-21
Dixon, Jr., William R.
Chemistry of inorganic compounds
Silicon or compound thereof
Oxygen containing
423335, 501 12, C01B 3316, C01B 3312
Patent
active
048063282
ABSTRACT:
Monolithic glass members are prepared by first hydrolyzing a solution of tetraethoxysilane in alcohol with an acid medium, and then gelating in a basic medium while using acid and base mediums to form compounds that volatilize during drying and sintering the gel. Substances, if any, which in the form of oxides can form a glass with SiO.sub.2, are added after hydrolyzing and prior to gelation.
REFERENCES:
patent: 3501269 (1970-03-01), Winyall et al.
patent: 4206297 (1980-06-01), Hoff et al.
patent: 4327065 (1982-04-01), von Dardel et al.
patent: 4432956 (1984-02-01), Zarzycki et al.
Lewis, "Studies on Hydrolysis and Condensation of Silicon Alkoxides", Corporate Research Laboratories.
Bogemann Arnoldus B. M.
Felder Willy J. B.
Huizing Albert
Van Lierop Joseph G.
Dixon Jr. William R.
Group Karl
Miller Paul R.
U.S. Philips Corporation
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