| 摘要 |
PURPOSE:To produce the titled fine powder composed of antimony and tin oxide, having light color, and having excellent electrical conductivity, by dissolving tin chloride and antimony chloride in a carboxylic acid (or its aqueous solution), and pouring the solution into hot water to effect the hydrolysis of the chlorides. CONSTITUTION:50-1,500g/l of tin chloride and 0.054-332g/l of antimony chloride are dissolved in a carboxylic acid having a pH of <=6.5 (e.g. acetic acid, formic acid, etc.) or its aqueous solution, and the solution is poured into hot water to effect the hydrolysis of the chlorides, and precipitate fine powder having a composition composed of 0.1-20wt% antimony and the remaining part of tin oxide. The precipitate is separated by filtration, and calcined in air to obtain the objective electrically conductive tin oxide fine powder. The obtained tin oxide fine powder is especially suitable for coating or mixing to a plastic, silicone rubber, etc., to impart electrical conductivity to the plastic, etc.
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