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| Preparation and Antibacterial Properties of Ceramic Pigment for Plating Paper |
| Received:October 08, 2021 |
| DOI：10.11980/j.issn.0254-508X.2022.03.002 |
| Key Words:ceramics sintering pigment adsorption antibacterial |
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| Abstract:In this study， four kinds of clay were used as raw materials，ceramics were fired by liquid phase sintering method， the optimum process conditions for ceramic pigment were determined by orthogonal experiments， and silver-plated through silver mirror reaction to preparece modified ceramic pigment with fresh-keeping and antibacterial properties. The ethylene adsorption properties and its mechanism were analyzed， and the diameter of inhibition zone， minimum inhibitory concentration （MIC） and minimum bactericidal concentration （MBC） of modified ceramic pigments against S.aureus and E.coli were tested.The results showed that the ceramic pigment prepared from red clay with diameter of 300 mesh and a sintering temperature of 1000℃ had the best ethylene adsorption performance， and the maximum adsorption capacity could reach 0.046 g/g. Ceramic pigments had irregular spherical structure， well-developed pores and crystalline structure. The diameters of inhibition zone of modified ceramic pigments towards S.aureus and E.coli were obvious， MIC and MBC towards S.aureus were 2 mg/mL and 4 mg/mL， MIC and MBC towards E.coli were 1 mg/mL and 4 mg/mL， the ethylene adsorption could reach 0.039 g/g， respectively. |
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