High temperature-resistant polyaryloxadiazole nonwoven filter material and preparation method thereof
A technology of polyaryloxadiazole and polyaryloxadiazole fiber is applied in separation methods, chemical instruments and methods, filtration and separation, etc., and can solve the problems of poor dyeability and thermal conductivity, easy generation of static electricity, large thermal expansion coefficient, etc. Achieve the effect of improving continuous safe use performance and cost-effective advantages
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Embodiment 1
[0026] Weighing: 40 kg of polyarylene oxadiazole fiber, 60 kg of PSA fiber.
[0027] Opening, the opened fibers are then made into a homogeneous mixture, using standard carding and cross-winding equipment, these fibers are converted into cross-staggered fine mats, the fine mats are rough stitched on a standard needle loom, and the two The fine mats are combined and needle-punched on both sides to make the filter material, the grammage of the filter material is 500g / m 2 .
Embodiment 2
[0029] Weighing: 20 kg of polyarylene oxadiazole fiber, 80 kg of meta-aramid fiber.
[0030] The method described in Example 1 was used to prepare the filter material of this example.
Embodiment 3
[0032] Weighing: 70 kg of polyarylene oxadiazole fiber, 30 kg of polytetrafluoroethylene fiber.
[0033] The method described in Example 1 was used to prepare the filter material of this example.
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