A liquid film protective agent for disinfection protection and its preparation method and application
A protective agent and liquid film technology, which is applied in the direction of dressing preparations, skin care preparations, pharmaceutical formulations, etc., can solve the problems of frequent hand washing, no disinfection, bactericidal function, skin damage, etc., and achieve good air permeability, Inhibit growth and reproduction, promote metabolism
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Embodiment 1
[0034] Example 1 Preparation of liquid film protective agent
[0035] The preparation method is as follows:
[0036] (1) Prepare disinfection and sterilization active substance liquid: mass fraction of 2% dodecyl dimethyl benzyl ammonium bromide (syngermide) and 5% nanometer titanium dioxide aqueous solution;
[0037] (2) Mix 500g of 20% casein aqueous solution, 50g of 10% polyvinyl alcohol aqueous solution and 40g of 5% chitosan aqueous solution, keep warm at 70℃ and add 20g 30% propylene oxide solution, stir the modification reaction for 60 minutes, Prepared casein copolymer glue;
[0038] (3) Add 50g of 2% dodecyl dimethyl benzyl ammonium bromide (syngermide) and 5% nano titanium dioxide aqueous solution to the casein copolymer glue solution under stirring, and then add 400ml 95% ethanol after uniform dispersion Stir thoroughly to obtain the liquid film protective agent.
Embodiment 2
[0039] Example 2 Preparation of liquid film protective agent
[0040] The preparation method is as follows:
[0041] (1) Prepare disinfection and sterilization active substance liquid: a mixture of 2% chloroquine phosphate and 5% nanometer titanium dioxide aqueous solution;
[0042] (2) Mix 500g of 20% casein aqueous solution, 50g of 10% polyvinyl alcohol aqueous solution and 40g of 5% chitosan aqueous solution, keep warm at 50℃ and add 20g 30% propylene oxide solution, stir the modification reaction for 120 minutes, Make casein copolymer glue;
[0043] (3) Add 50g of 2% chloroquine phosphate and 5% nano-titanium dioxide aqueous solution to the casein copolymer glue solution under stirring, and then add 400ml of 95% ethanol and stir thoroughly to obtain the liquid film protective agent.
Embodiment 3
[0044] Example 3 Preparation of liquid film protective agent
[0045] The preparation method is as follows:
[0046] (1) Prepare disinfection and sterilization active substance liquid: the mass fraction is a mixture of 1% dodecyldimethylbenzylammonium bromide (syngermide), 1% chloroquine and 5% nanometer titanium dioxide aqueous solution.
[0047] (2) Mix 500g of 20% casein aqueous solution, 50g of 10% polyvinyl alcohol aqueous solution and 40g of 5% chitosan aqueous solution, keep warm at 100℃ and add 20g 30% propylene oxide solution, stir the modification reaction for 30 minutes, Make casein copolymer glue;
[0048] (3) Add 50g of 1% dodecyl dimethyl benzyl ammonium bromide (syngermide), 1% chloroquine and 5% nano titanium dioxide aqueous solution mixture to the casein copolymer glue solution under stirring, then add 400ml after uniform dispersion 95% ethanol is fully stirred to obtain liquid film protective agent.
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