Phosphorus-removal and antibacterial nanometer fiber membrane and preparing method thereof
A nanofiber membrane, nanotechnology, applied in fiber processing, non-woven fabrics, textiles and papermaking, etc., can solve the problems of complex processing technology, achieve the effect of simple processing technology, simplified water purification process, and good industrialization prospects
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Embodiment 1
[0024] In step a, select a commercially available nano-layered silicate product, sodium montmorillonite-Laponite RD, and activate it by cationic modification. Add 10g of Laponite RD into 100g of deionized water, mix to form a uniform slurry, add 0.2g of hexadecylpyridinium chloride at 80°C, stir and react for 120min, filter the slurry with suction, wash and dry to obtain organic modified The nano-phosphorus adsorbent A. A is configured as tetrahydrofuran dilution B with a mass fraction of 10%.
[0025] Step b. Take 10 g of polyacrylonitrile, dissolve it in N-methylformamide (DMF), and prepare a solution C with a mass fraction of 8% for future use.
[0026] Step c, take 2.5g of diluent B and 62.5g of solution C, and mix the two evenly to obtain spinning solution D. The D solution is injected into the syringe in the high-voltage electrospinning device, and a metal needle is assembled on the syringe, and the metal needle is connected to one pole of the high-voltage power supply...
Embodiment 2
[0030] In step a, select a commercially available nano-layered silicate product, sodium montmorillonite-Laponite RD, and activate it by cationic modification. Add 10g of Laponite RD into 100g of deionized water, mix to form a uniform slurry, add 0.2g of hexadecylpyridinium chloride at 80°C, stir and react for 120min, filter the slurry with suction, wash and dry to obtain organic modified The nano-phosphorus adsorbent A. A is configured as tetrahydrofuran dilution B with a mass fraction of 10%.
[0031] Step b. Take 10 g of polyacrylonitrile, dissolve it in N-methylformamide (DMF), and prepare a solution C with a mass fraction of 8% for future use.
[0032] Step c, take 10g of diluent B and 62.5g of solution C, and mix the two evenly to obtain spinning solution D. The D solution is injected into the syringe in the high-voltage electrospinning device, and a metal needle is assembled on the syringe, and the metal needle is connected to one pole of the high-voltage power supply....
Embodiment 3
[0036] In step a, select a commercially available nano-layered silicate product, sodium montmorillonite-Laponite RD, and activate it by cationic modification. Add 10g of Laponite RD into 100g of deionized water, mix to form a uniform slurry, add 0.2g of hexadecylpyridinium chloride at 80°C, stir and react for 120min, filter the slurry with suction, wash and dry to obtain organic modified The nano-phosphorus adsorbent A. A is configured as tetrahydrofuran dilution B with a mass fraction of 10%.
[0037] Step b. Take 10 g of polyacrylonitrile, dissolve it in N-methylformamide (DMF), and prepare a solution C with a mass fraction of 8% for future use.
[0038] Step c, take 5g of diluent B and 62.5g of solution C, and mix the two evenly to obtain spinning solution D. The D solution is injected into the syringe in the high-voltage electrospinning device, and a metal needle is assembled on the syringe, and the metal needle is connected to one pole of the high-voltage power supply. ...
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