Antibacterial wound dressing and preparation method thereof
A wound dressing and composite antibacterial technology, which is applied in medical science, textiles, papermaking, bandages, etc., can solve the problems of unclear chronic toxic reactions, achieve the effects of preventing wound fluid infection, good water resistance, and promoting wound healing
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Embodiment 1
[0037] Such as figure 1 Shown is a schematic structural view of the antibacterial composite wound dressing of the present invention. The antibacterial composite wound dressing includes chitosan-based drug-loaded composite antibacterial microfiber membrane 1, alginic acid Calcium fiber non-woven fabric 2 and supporting protective layer 3. The supporting protective layer 3 is polyacrylate pressure-sensitive adhesive.
[0038] The concrete steps of the preparation method of described antibacterial composite wound dressing are:
[0039] Add antimicrobial drug ciprofloxacin hydrochloride powder in the acetic acid aqueous solution that mass fraction is 90%, make it fully dissolve with magnetic stirrer stirring, take chitosan and polyoxyethylene powder and join in the above-mentioned solution, stir to obtain uniform, Stable spinning solution, the concentration of polyethylene oxide in the spinning solution is 0.5wt%, the weight ratio of chitosan and polyethylene oxide is 90:10, and...
Embodiment 2
[0043] Such as figure 1 Shown is a schematic structural view of the antibacterial composite wound dressing of the present invention. The antibacterial composite wound dressing includes chitosan-based drug-loaded composite antibacterial microfiber membrane 1, alginic acid Calcium fiber non-woven fabric 2 and supporting protective layer 3. The supporting protection layer 3 is provided with polyacrylate pressure-sensitive adhesive.
[0044] The concrete steps of the preparation method of described antibacterial composite wound dressing are:
[0045] Add antimicrobial drug ciprofloxacin hydrochloride powder in the acetic acid aqueous solution that mass fraction is 90%, make it fully dissolve with magnetic stirrer stirring, take chitosan and polyoxyethylene powder and join in the above-mentioned solution, stir to obtain uniform, Stable spinning solution, the concentration of polyethylene oxide in the spinning solution is 0.5wt%, the weight ratio of chitosan and polyethylene oxide...
Embodiment 3
[0049] Such as figure 1 Shown is a schematic structural view of the antibacterial composite wound dressing of the present invention. The antibacterial composite wound dressing includes chitosan-based drug-loaded composite antibacterial microfiber membrane 1, alginic acid Calcium fiber non-woven fabric 2 and supporting protective layer 3. The supporting protective layer 3 is a polyethylene film with biological glue.
[0050] The concrete steps of the preparation method of described antibacterial composite wound dressing are:
[0051] Add antibacterial drug powder moxifloxacin hydrochloride to 90% acetic acid aqueous solution by mass fraction, stir it with a magnetic stirrer to fully dissolve it, weigh chitosan and polyethylene oxide powder and add it to the above solution, and stir to obtain a uniform, stable spinning solution, the concentration of polyoxyethylene in the spinning solution is 0.5wt%, the weight ratio of chitosan and polyoxyethylene is 90:10, and the weight rat...
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