Process for preparing size-controllable nano-silicon dioxide
A nano-silicon dioxide and size technology, applied in the preparation of silicon dioxide, silicon oxide, oxide/hydroxide, etc., can solve the problems of poor cooling effect, sintering into large particles, and difficult size, so as to improve the cooling effect. Efficiency and effect of preventing particle size increase
Inactive Publication Date: 2004-11-17
GUANGZHOU GBS HIGH TECH & IND
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The invention provides a process for preparing dimension controllable nano silicon dioxide comprising continuously conveying organic halogensilane, hydrogen, and oxygen by a finite proportion into combustion nozzle then firing chamber, conducting hydrolytic reaction in 1000 deg. C to 2000deg. C flame, subjecting the reaction product to congregation, cyclone air-solid segregation and deacidification post-treatment, and vacuum-packing.
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Oxide/hydroxide preparationSilica
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