Smoke filter material and preparation method and application thereof
A technology for filtering materials and flue gas, applied in the field of materials, can solve problems such as the difficulty of harmful gases, and achieve the effect of improving the overall filtering performance, increasing the moisture, and enhancing the adsorption function.
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Embodiment 1
[0041] A smoke filter material includes a non-woven fabric layer 1, a cellulose diacetate film layer 2 with a thickness of 15 μm, a PVDF fiber film layer 3 with a thickness of 3 μm, a cellulose diacetate film layer 4 with a thickness of 20 μm, and a smoke filter material The diameter of the fiber is 200nm; the ratio of the total solid content of the cellulose diacetate layer to the solid content of the lipophilic polymer film layer is 18:1.
Embodiment 2
[0043] A smoke filter material includes a non-woven fabric layer 1, a cellulose diacetate film layer 2 with a thickness of 20 μm, a PAN fiber film layer 3 with a thickness of 4 μm, a cellulose diacetate film layer 4 with a thickness of 10 μm, and a smoke filter material The diameter of the fiber is 230nm; the ratio of the total solid content of the cellulose diacetate layer to the solid content of the lipophilic polymer film layer is 12:1.
Embodiment 3
[0045] A smoke filter material includes a non-woven fabric layer 1, a cellulose diacetate film layer 2 with a thickness of 10 μm, a PVDF fiber film layer 3 with a thickness of 5 μm, a cellulose diacetate film layer 4 with a thickness of 12 μm, and a smoke filter material The diameter of the fiber is 450nm; the ratio of the total solid content of the cellulose diacetate layer to the solid content of the lipophilic polymer film layer is 15:1.
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