Process for making colloidal sols of antimony pentoxide in...

Details Process for making colloidal sols of antimony pentoxide in... Process for making colloidal sols of antimony pentoxide in...

C - Chemistry, Metallurgy

08

K

134/53

C08K 3/22 (2006.01) B01J 13/00 (2006.01) C01G 30/00 (2006.01)

Patent

CA 1099611

PROCESS FOR MAKING COLLOIDAL SOLS OF ANTIMONY PENTOXIDE IN POLYHYDROXY ALCOHOLS ABSTRACT OF THE DISCLOSURE A colloidal dispersion of hydrous antimony pentoxide particles is made by a process which comprises introducing particles of an oxidizable antimony oxide into an aliphatic polyhydroxy alcohol having vicinal hydroxyl groups and contacting said particles with aqueous hydrogen peroxide at a temperature of from about 0°C to about the decompo- sition temperature of the reaction mixture for a length of time sufficient to convert at least a portion of said particles to colloidal particles of hydrous antimony pentoxide.

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