Antibacterial plastic with high polyiodine surface and its preparation method and application
A surface antibacterial, high iodine technology
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Embodiment 1
[0033] Configuration of the coupling solution: add 3.60g of organic silicon quaternary ammonium salt to 894.50g of ethanol aqueous solution (the volume ratio of ethanol and water is 1:2) under stirring conditions to obtain the coupling liquid, wherein the organic silicon quaternary ammonium salt It is 3-(trimethoxysilyl)propyltetradecyldimethylammonium chloride.
[0034] Coupling reaction: put the substrate plastic film to be treated in the above coupling solution, react at 60°C and shaking for 10 minutes, take it out after the reaction, dry at 70°C for 10 minutes, and set aside.
[0035] The configuration of the carrier liquid: Add 1.12g of potassium iodide, 5.14g of iodine, and 1.79g of citric acid in sequence under ultrasonic conditions in an aqueous ethanol solution with a mass of 894.50g (the volume ratio of ethanol to water is 1:2). carrier fluid.
[0036] Immobilization reaction: put the base plastic after the coupling reaction in a beaker filled with the immobilizatio...
Embodiment 2
[0042] Configuration of the coupling solution: add 4.47g of organic silicon quaternary ammonium salt to 894.50g of ethanol aqueous solution (the volume ratio of ethanol and water is 1: 1) under stirring conditions to obtain the coupling liquid, wherein the organic silicon quaternary ammonium salt It is 3-(trimethoxysilyl)propyl dodecyldimethyl ammonium chloride.
[0043] Coupling reaction: put the substrate plastic film to be treated in the above coupling solution, react for 10 minutes at 60°C under shaking conditions, take it out after the reaction, dry at 60°C for 10 minutes, and set aside.
[0044] The configuration of the carrier liquid: add 1.12g of potassium iodide, 5.14g of iodine, and 1.79g of oxalic acid in sequence under ultrasonic conditions in an aqueous ethanol solution with a mass of 894.50g (the volume ratio of ethanol to water is 1: 1), and the carrier is obtained after dissolution liquid.
[0045] Immobilization reaction: place the base plastic film after the...
Embodiment 3
[0051] Configuration of the coupling solution: add 4.47g of organosilicon quaternary ammonium salt to 894.50g of ethanol aqueous solution (the volume ratio of ethanol and water is 2:1) under stirring conditions to obtain the coupling solution, wherein the organosilicon quaternary ammonium salt It is 3-(trimethoxysilyl)propyl dodecyldimethyl ammonium chloride.
[0052] Coupling reaction: put the base plastic film to be treated in the above coupling solution, react at 70°C for 10 minutes with shaking, take it out after the reaction, dry at 60°C for 10 minutes, and set aside.
[0053] The configuration of the carrier liquid: Add 0.93g of potassium iodide, 4.29g of iodine, and 2.68g of oxalic acid in sequence under ultrasonic conditions in an aqueous ethanol solution with a mass of 894.50g (the volume ratio of ethanol to water is 2:1), and the carrier is obtained after dissolution liquid.
[0054] Immobilization reaction: Place the base plastic film after the coupling reaction in...
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