Preparation method of ZnO nanorod-loaded nano-Ag complex antimicrobial agent
A technology of compounding antibacterial agents and nanorods is applied in the field of preparation of antibacterial agents, which can solve the problems of affecting the antibacterial effect and easy occurrence of agglomeration, and achieve the effects of perfect crystal structure, high product safety, and reduction of the amount of nano-Ag
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Embodiment 1
[0021] Take 0.1 mol of ZnO nanorods, add them to 50 ml of deionized water, and ultrasonically disperse them in an ultrasonic instrument for 15 minutes, then add the above dispersion into a three-necked flask equipped with a stirrer and a condensing reflux tube, stir, and add 1 g of CTAB; The mixed solution is obtained under the action, and 25ml of AgNO with a concentration of 0.004ml / L is added to the mixed solution. 3 solution and 6.25ml with a concentration of 0.004ml / L NaHB 4 solution; after reacting for 15 minutes, add 18.75ml of NaHB with a concentration of 0.004ml / L within 30 minutes by syringe spraying 4 Solution, continue to react for 30 minutes to obtain a reaction solution; put the reaction solution into a stainless steel reaction kettle lined with polytetrafluoroethylene, conduct a hydrothermal reaction at 160°C for 20 hours, then pour out the reaction solution, centrifuge, wash with distilled water, and centrifuge again , and finally place the obtained product in ...
Embodiment 2
[0023] Take 0.1 mol of ZnO nanorods, add them to 50 ml of deionized water, and ultrasonically disperse them in an ultrasonic instrument for 15 minutes, then add the above dispersion into a three-necked flask equipped with a stirrer and a condensing reflux tube, stir, and add 1 g of CTAB; To obtain a mixed solution under action, add 25ml of AgNO with a concentration of 0.04ml / L to the mixed solution 3 solution and 6.25ml of 0.04ml / L NaHB 4 solution; after reacting for 15 minutes, add 18.75ml NaHB with a concentration of 0.04ml / L within 30 minutes 4 Solution, continue to react for 30 minutes to obtain a reaction solution; put the reaction solution into a stainless steel reactor lined with polytetrafluoroethylene, conduct a hydrothermal reaction at 150°C for 24 hours, then pour out the reaction solution, centrifuge, wash with distilled water, and centrifuge again , and finally place the obtained product in a vacuum at 65°C and dry for 24 hours, and the obtained powder is ZnO nan...
Embodiment 3
[0025] Take 0.1 mol of ZnO nanorods, add them to 50 ml of deionized water, and ultrasonically disperse them in an ultrasonic instrument for 15 minutes, then add the above dispersion into a three-necked flask equipped with a stirrer and a condensing reflux tube, stir, and add 1 g of CTAB; To obtain a mixed solution under action, add 25ml of AgNO with a concentration of 0.04ml / L to the mixed solution 3 solution and 6.25ml of 0.04ml / L NaHB 4 solution; after reacting for 15 minutes, add 18.75ml of NaHB with a concentration of 0.04ml / L within 40 minutes by syringe spraying 4Solution, continue to react for 60 minutes to obtain a reaction solution; put the reaction solution into a stainless steel reaction kettle lined with polytetrafluoroethylene, conduct a hydrothermal reaction at 180°C for 20 hours, then pour out the reaction solution, centrifuge, wash with distilled water, and centrifuge again , and finally place the obtained product in a vacuum at 68°C and dry for 24 hours, and ...
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