Organic and inorganic hybridization nanometer super-hydrophobic fiber membrane and preparing method thereof
A super-hydrophobic, fibrous membrane technology, used in textiles, papermaking, non-woven fabrics, etc., can solve the problems of human body and ecological environment hazards, high price, etc., achieve high specific surface area, improve tensile properties, and good fiber-forming properties. Effect
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Embodiment 1
[0037] (1) Preparation of spinning solution
[0038] Preparation of PS spinning solution: at room temperature, add polystyrene (PS) to N,N dimethylformamide (DMF) / tetrahydrofuran (THF) = 3:1 solvent, completely dissolve and magnetically stir for 4 hours to obtain 30wt .% concentration of polystyrene spinning solution, then add 10wt.% SiO modified with epoxy-modified silicone oil 2 Composite nanoparticles, continue magnetic stirring until the silica nanoparticles can be completely and uniformly dispersed in the spinning solution of PS and solvent.
[0039]Preparation of PAN spinning solution: Add polyacrylonitrile (PAN) into N,N dimethylformamide (DMF) at room temperature, and stir magnetically for 3.5 hours after completely dissolving to obtain a polystyrene spinning solution with a concentration of 12wt.%. Silk liquid, then add 5wt.% epoxy modified silicone oil modified SiO 2 Composite nanoparticles, continue magnetic stirring until the silica nanoparticles can be completel...
Embodiment 2
[0043] (1) Preparation of spinning solution
[0044] Preparation of PS spinning solution: at room temperature, add polystyrene (PS) to N,N dimethylformamide (DMF) / tetrahydrofuran (THF) = 3:1 solvent, completely dissolve and magnetically stir for 4 hours to obtain 30wt .% concentration of polystyrene spinning solution, then add 15wt.% SiO modified by epoxy-modified silicone oil 2 Composite nanoparticles, continue magnetic stirring until the silica nanoparticles can be completely and uniformly dispersed in the spinning solution of PS and solvent.
[0045] Preparation of PAN spinning solution: Add polyacrylonitrile (PAN) to N,N dimethylformamide (DMF) at room temperature, and magnetically stir for 3 hours after completely dissolving to obtain 10wt.% concentration of polystyrene spinning solution, and then add 5wt.% epoxy modified silicone oil modified SiO 2 Composite nanoparticles, continue magnetic stirring until the silica nanoparticles can be completely and uniformly dispers...
Embodiment 3
[0049] (1) Preparation of spinning solution
[0050] Preparation of PS spinning solution: at room temperature, add polystyrene (PS) to N,N dimethylformamide (DMF) / tetrahydrofuran (THF) = 3:1 solvent, completely dissolve and magnetically stir for 4 hours to obtain 30wt .% concentration of polystyrene spinning solution, then add 10wt.% SiO modified with epoxy-modified silicone oil 2 Composite nanoparticles, continue magnetic stirring until the silica nanoparticles can be completely and uniformly dispersed in the spinning solution of PS and solvent.
[0051] Preparation of PAN spinning solution: at room temperature, polyacrylonitrile (PAN) was added to N,N dimethylformamide (DMF), completely dissolved and then magnetically stirred for 3 hours to obtain a polystyrene spinning solution with a concentration of 12wt.%. solution, and then add 8wt.% epoxy modified silicone oil modified SiO 2 Composite nanoparticles, continue magnetic stirring until the silica nanoparticles can be com...
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