| 摘要 |
PURPOSE: An antibacterial ceramics composition is provided, which has an excellent function for keeping freshness of foods. And a method for preparing the same is also provided. CONSTITUTION: The antibacterial ceramics composition comprises: (i) 8-20 wt.% of manganese oxide; (ii) 40-65 wt.% of ferric oxide; (iii) 10-20 wt.% of zinc oxide; (iv) 5-15 wt.% of magnesium oxide; (v) 0.3-5 wt.% of aluminum oxide; (vi) 0.5-5 wt.% of silicon dioxide; and (vii) not more than 2 wt.% of the others. The method comprises steps of: (i) dipping the antibacterial composition in an aqueous solution containing at least one of 0.3-10 wt.% of silver, 1-15 wt.% of copper and 1-20 wt.% of zinc for 24 hours; (ii) firing the composition of the step (i) at a temperature of 350 deg.C for 4 hours.
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