Novel high-efficiency haze filtration silver nanowire net and MOFs composite porous fiber film material and preparation method thereof
A high-efficiency filtration and porous fiber technology, applied in separation methods, chemical instruments and methods, membrane technology, etc., can solve the problems of non-compliance with hygiene requirements, poor filtration effect, difficult to remove, etc., to achieve good tensile resistance, avoid falling off, The effect of preventing the growth of bacteria
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Embodiment 1
[0041] A method for preparing a novel smog efficient filter silver nanowire network and MOFs composite porous fiber film material, comprising the following steps:
[0042] (1) Preparation of spinning precursor solution: Weigh 1g of PVP powder and add it to 9g of ethanol, stir magnetically for 12h, and let stand for 2h to obtain spinning precursor solution;
[0043] (2) Preparation of spinning solution: Mix 0.05g of silver nanowires with the spinning precursor solution and stir magnetically for 2h to obtain a PVP-ethanol-silver nanowire dispersion; then weigh 0.05g of MOF-5 powder and add 5g In the PVP-ethanol-silver nanowire dispersion, magnetically stirred for 3 hours to prepare a spinning solution, the composition of the spinning solution is PVP-ethanol-MOF-5-silver nanowire dispersion;
[0044] (3) Electrospinning: Add the spinning solution (PVP-ethanol-MOF-5-silver nanowire dispersion) into the spinning equipment, and perform electrospinning to prepare a mixed fiber film; ...
Embodiment 2
[0046] A method for preparing a novel smog efficient filter silver nanowire network and MOFs composite porous fiber film material, comprising the following steps:
[0047] (1) Preparation of spinning precursor solution: Weigh 1g of PVP powder and add it to 9g of ethanol, stir magnetically for 12h, and let stand for 2-5h to obtain spinning precursor solution;
[0048] (2) Preparation of spinning solution: Mix 0.05g silver nanowire with spinning precursor solution, stir magnetically for 2h to obtain PVP-ethanol-silver nanowire dispersion; weigh 0.05g of MOF-5 powder and add 5g of During the mixing of the spinning precursor solution, magnetically stir for 3 hours to prepare a PVP-ethanol-MOF-5 dispersion;
[0049] (3) Electrospinning: adding the spinning solution (PVP-ethanol-silver nanowire dispersion and PVP-ethanol-MOF-5 dispersion) into the spinning equipment, and performing electrospinning to prepare a mixed fiber film; Electrospinning process control conditions: the voltag...
Embodiment 3
[0053] A method for preparing a novel smog efficient filter silver nanowire network and MOFs composite porous fiber film material, comprising the following steps:
[0054] (1) Preparation of spinning precursor solution: Weigh 1g of PVP powder and add it to 9g of ethanol, stir magnetically for 12h, and let stand for 2-5h to obtain spinning precursor solution;
[0055] (2) Preparation of spinning solution: Mix 0.05g of silver nanowire with spinning precursor solution, and magnetically stir for 2h to obtain spinning solution, which is composed of PVP-ethanol-silver nanowire dispersion;
[0056] (3) Electrospinning: the spinning solution (PVP-ethanol-silver nanowire dispersion) is added to the spinning equipment for electrospinning to prepare a mixed fiber film; the control conditions of the electrospinning process: the voltage is set to 15kv, the distance between the injector and the collector is 15cm, the flow rate is set to 1mL / h, the left and right swing distance is 10cm, the ...
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