A kind of inorganic nanocomposite antibacterial material for ceramics and its preparation method and application
An inorganic nano-composite antibacterial technology, applied in the field of ceramic additives, can solve the problems of photocatalytic activity limitation, antibacterial and formaldehyde removal ability limitation, visible light utilization rate limitation, etc., to achieve enhanced utilization rate, enhanced photocatalytic activity, and improved antibacterial property and the effect of the ability to remove formaldehyde
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Embodiment 1
[0036] The embodiment of the present invention provides an inorganic nanocomposite antibacterial material for ceramics and a preparation method thereof, which are specifically introduced as follows:
[0037] S1, g-C 3 N 4 Synthesis of melamine: Weigh 10g of melamine powder and place it in a corundum crucible, cover it with a lid, and place it in a muffle furnace at 520°C. The heating rate of the muffle furnace is 3°C / min. After heat treatment for 4 hours, it is self-heated and cooled to room temperature to obtain g-C 3 N 4 .
[0038] S2, Synthesis of nano-zinc oxide doped with silver (ZnO:Ag): 0.1 mol of zinc nitrate hexahydrate and 0.002 mol of silver nitrate were mixed and dissolved in deionized water, stirred for 1 h until fully mixed; another beaker was used to mix glucose and 0.4 Add mol of sodium hydroxide to it, add deionized water, stir to dissolve, put the beaker in a water bath at 65°C after dissolving, add the mixed solution of zinc nitrate and silver nitrate dro...
Embodiment 2
[0043] The embodiment of the present invention provides an inorganic nanocomposite antibacterial material for ceramics and a preparation method thereof, which are specifically introduced as follows:
[0044] S1, Synthesis of g-C 3 N 4 : Take 30g of urea by weighing and place it in a corundum crucible, cover it, place it in a muffle furnace at 500°C, the heating rate is 3°C / min, and naturally cool to room temperature after heat treatment for 4h to obtain g-C 3 N 4 .
[0045]S2, synthesis of nano-zinc oxide doped with silver (ZnO:Ag): 0.2 mol of zinc nitrate hexahydrate and 0.006 mol of silver nitrate were mixed and dissolved in deionized water, stirred for 1.5 h until fully mixed; another beaker was taken to mix glucose and 0.4 Add mol of sodium hydroxide to it, add deionized water, stir to dissolve, put the beaker in a water bath at 65°C after dissolving, add the mixed solution of zinc nitrate and silver nitrate drop by drop while stirring, and the dropwise addition is comp...
Embodiment 3
[0050] The embodiment of the present invention provides an inorganic nanocomposite antibacterial material for ceramics and a preparation method thereof, which are specifically introduced as follows:
[0051] S1, Synthesis of g-C 3 N 4 : Weigh 25g of thiourea, place it in a corundum crucible, cover it, place it in a muffle furnace at 550°C, and heat it at a rate of 5°C / min. After heat treatment for 4 hours, cool it down to room temperature naturally to obtain g-C 3 N 4 .
[0052] S2, synthesis of nano-zinc oxide doped with silver (ZnO:Ag): 0.5mol zinc nitrate hexahydrate and 0.02mol silver nitrate were mixed and dissolved in deionized water, stirred for 1.5h until fully mixed; another beaker was used to mix glucose and 2mol hydrogen Add sodium oxide to it, add deionized water, stir to dissolve, put the beaker in a water bath at 70°C after dissolving, add the mixed solution of zinc nitrate and silver nitrate drop by drop while stirring, and mix The solution was poured into a...
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