Filter material containing polyphenyl thioether fiber and use
A polyphenylene sulfide fiber and filter material technology, which is applied in filtration and separation, dispersed particle filtration, and dispersed particle separation, etc., can solve the problems of poor dust wear resistance and shortened service life, and achieve good friction resistance and use. Long life and damage reduction effect
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Embodiment 1
[0062] Using PPS staple fibers with a fineness of 2.2 decitex (average fiber diameter of 14.5 μm) and a piece length of 51 mm (“Tecon” manufactured by Toray Co., Ltd.), warp yarn 20S / 2 and weft yarn 20s were obtained. It was flat-woven to obtain a PPS staple fiber plain weave fabric with a warp density of 30 threads / 2.54 cm and a weft density of 14 threads / 2.54 cm.
[0063] Using this fabric as the base fabric, use 194g / m on one side 2 The weight per unit area of the laminated fiber web is 2.2 decitex (average fiber diameter 14.5 μm), PPS staple fiber with a length of 51 mm ("Tecon" S101-2.2T 51mm manufactured by Toray Co., Ltd.) and a fineness of 1.0 Dtex (average fiber diameter 9.7μm) and PPS staple fibers with a length of 51 mm ("Tecon" S101-1.0T51mm manufactured by Toray Co., Ltd.) were mixed at a weight ratio of 50:50. The short fibers were opened and carded. After cotton treatment, the needle density is 50 / cm 2 obtained by acupuncture. The fiber web forms the filter...
Embodiment 2
[0065] As the fibers constituting the fiber web on the filter surface side, PPS staple fibers with a fineness of 1.0 dtex (average fiber diameter 9.7 μm) and a length of 51 mm were mixed with a fineness of 2.2 dtex (average fiber diameter 14.5 μm) in a ratio of 50:50. , PPS staple fibers with a length of 51mm are used in combination. Furthermore, as fibers constituting the fiber web on the non-filtering surface side, 100 wt % of PPS staple fibers with a fineness of 7.8 decitex (average fiber diameter of 27 μm) and a piece length of 51 mm were used. Except for these, the filter material was obtained by the same method as Example 1.
Embodiment 3
[0066]Embodiment 3: as the fiber that constitutes the fibrous web of one side of filter surface, with the ratio of 60:40 with fineness 1.0 dtex (fiber average diameter 9.7 μ m), the PPS short fiber of length 51mm and fineness 2.2 dtex (fiber average PPS short fibers with a diameter of 14.5 μm) and a length of 51 mm are used in combination. Furthermore, as fibers constituting the fiber web on the non-filter surface side, 100 wt % of PPS staple fibers with a fineness of 7.8 decitex and a piece length of 51 mm were used. Except for these, the filter material was obtained by the same method as Example 1.
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