Preparation method of chelate coating with copper ions capable of controllably catalyzing release of nitrogen monoxide and polyphenol complex
A technology of nitric oxide and copper ions, which is applied in the direction of coating, packaging item types, special packaging items, etc., can solve the problems of multi-step grafting, limited grafting amount, peeling off of the surface modified layer, etc., and achieve strengthening Antibacterial effect, low production cost, and multi-step effect
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Embodiment 1
[0020] A method for preparing a chelate coating with controllable nitrogen monoxide catalytic release of copper ions and polyphenol complexes, the steps of which are:
[0021] A. Dissolve dopamine (Dopamine) with a concentration of 0.1 mg / mL, copper chloride with a concentration of 1 mg / mL and ferric chloride with a concentration of 0-10 mg / mL in an aqueous solution with a pH of 2-14.
[0022] B. Fe, magnesium and its alloys, zinc and its alloys, 316L SS, Ti and its alloys, Ni-Ti alloy, CoCr alloy, Ti-O and its nanotubes, TiN, PET, PU, PS, PTFE, PDMS, PLA, PTMC, PLGA, PCL, Fe3O4 nanoparticles, (mesoporous) silica nanoparticles (quantum dots), titanium oxide nanoparticles (quantum dots), zinc oxide nanoparticles (quantum dots) point), etc., were respectively placed in the reaction system obtained by adding step A, and reacted at room temperature for 6 hours.
[0023] C, to the sample obtained in step B, fully wash with distilled water, then in N 2 Dry under the same condition...
Embodiment 2
[0025] A method for preparing a chelate coating with controllable nitrogen monoxide catalytic release of copper ions and polyphenol complexes, the steps of which are:
[0026] A. Dissolve norepinephrine with a concentration of 1 mg / mL, copper chloride with a concentration of 0.1 mg / mL and ferric chloride with a concentration of 0-10 mg / mL in an aqueous solution of pH=2-14.
[0027] B. Fe, magnesium and its alloys, zinc and its alloys, 316L SS, Ti and its alloys, Ni-Ti alloy, CoCr alloy, Ti-O and its nanotubes, TiN, PET, PU, PS, PTFE, PDMS, PLA, PTMC, PLGA, PCL, Fe3O4 nanoparticles, (mesoporous) silica nanoparticles (quantum dots), titanium oxide nanoparticles (quantum dots), zinc oxide nanoparticles (quantum dots) point) and the like were added to the reaction system obtained in step A, and reacted at room temperature for 6 hours.
[0028] C, to the sample obtained in step B, fully wash with distilled water, then in N 2 Dry under the same conditions to obtain the target modi...
Embodiment 3
[0030] A method for preparing a chelate coating with controllable nitrogen monoxide catalytic release of copper ions and polyphenol complexes, the steps of which are:
[0031] A. Dissolve tannic acid (TA) with a concentration of 0.1 mg / mL, copper chloride with a concentration of 1 mg / mL and ferric chloride with a concentration of 0-10 mg / mL in an aqueous solution of pH=2-14.
[0032] B. Fe, magnesium and its alloys, zinc and its alloys, 316L SS, Ti and its alloys, Ni-Ti alloy, CoCr alloy, Ti-O and its nanotubes, TiN, PET, PU, PS, PTFE, PDMS, PLA, PTMC, PLGA, PCL, Fe3O4 nanoparticles, (mesoporous) silica nanoparticles (quantum dots), titanium oxide nanoparticles (quantum dots), zinc oxide nanoparticles (quantum dots) point) and the like were added to the reaction system obtained in step A, and reacted at room temperature for 6 hours.
[0033] C, to the sample obtained in step B, fully wash with distilled water, then in N 2 Dry under the same conditions to obtain the target mo...
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