Method for preparing antibacterial nano-silver fiber with electrostatic spinning method
A nano-silver antibacterial and electrospinning technology, which is applied in the field of textiles, can solve the problems of high production cost, residual chemical components, and unsustainable antibacterial properties, and achieves the effects of low cost and simple preparation method.
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Embodiment 1
[0013] A method for preparing nano-silver antibacterial fibers by electrospinning, comprising the steps of:
[0014] 1) Preparation of spinning stock solution: Mix and dissolve the cotton fiber raw material with N-methylmorpholine oxide at 90°C, stir for 10 minutes to obtain a cotton spinning stock solution, then add silver phosphate, stir to make the silver phosphate evenly dispersed in the cotton spinning In the stock solution; the mass ratio of silver phosphate to cotton spinning stock solution is 1:20;
[0015] 2) Electrospinning: Add the spinning solution prepared in step 1 into a syringe with a needle, then connect the needle to the positive pole of the high-voltage power supply, lay a layer of grounded aluminum foil directly under the syringe, and the distance between the aluminum foil and the needle is 5cm, The spinning stock solution is pulled into nano-scale fibers under the action of electric field force to obtain nano-silver antibacterial fibers.
Embodiment 2
[0017] A method for preparing nano-silver antibacterial fibers by electrospinning, comprising the steps of:
[0018] 1) Preparation of spinning stock solution: Mix and dissolve the cotton fiber raw material with N-methylmorpholine oxide at 110°C, stir for 10-30 minutes to obtain a cotton spinning stock solution, then add silver phosphate, and stir to make the silver phosphate evenly dispersed in the In the cotton spinning stock solution; the mass ratio of silver phosphate to cotton spinning stock solution is 1:30;
[0019] 2) Electrospinning: Add the spinning solution prepared in step 1 into a syringe with a needle, then connect the needle to the positive pole of the high-voltage power supply, lay a layer of grounded aluminum foil directly under the syringe, and the distance between the aluminum foil and the needle is 15cm, The spinning stock solution is pulled into nano-scale fibers under the action of electric field force to obtain nano-silver antibacterial fibers.
Embodiment 3
[0021] A method for preparing nano-silver antibacterial fibers by electrospinning, comprising the steps of:
[0022] 1) Preparation of spinning stock solution: Mix and dissolve the cotton fiber raw material with N-methylmorpholine oxide at 100°C, stir for 20 minutes to obtain a cotton spinning stock solution, then add silver phosphate, stir to make the silver phosphate evenly dispersed in the cotton spinning In the stock solution; the mass ratio of silver phosphate to cotton spinning stock solution is 1:25;
[0023] 2) Electrospinning: Add the spinning stock solution prepared in step 1 into a syringe with a needle, then connect the needle to the positive electrode of the high-voltage power supply, lay a layer of grounded aluminum foil directly under the syringe, and the distance between the aluminum foil and the needle is 10cm, The spinning stock solution is pulled into nano-scale fibers under the action of electric field force to obtain nano-silver antibacterial fibers.
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