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首页> 外文期刊>ACS applied materials & interfaces >Separation of Water from Ultralow Sulfur Diesel Using Novel Polymer Nanofiber-Coated Glass Fiber Media
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Separation of Water from Ultralow Sulfur Diesel Using Novel Polymer Nanofiber-Coated Glass Fiber Media

机译:使用新型聚合物纳米纤维涂覆的玻璃纤维介质从超低硫柴油中分离水

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摘要

Polymer nanofibers with interpenetrating network (IPN) morphology are used in this work for the development of composite, hydrophobic filter media in conjunction with glass fibers for removal of water droplets from ultralow sulfur diesel (ULSD). The nanofibers are produced from hydrophobic polyvinyl acetate (PVAc) and hydrophilic polyvinylpyrrolidone (PVP) by spinning the polymer solutions using gas jet fiber (GJF) method. The nanofibers coat the individual glass fibers due to polar-polar interactions during the spinning process and render the filter media highly hydrophobic with a water contact angle approaching 150 degrees. The efficiency of the resultant filter media is evaluated in terms of separation of water droplets of average size 20 mu m from the suspensions in ULSD.
机译:具有互穿网络(IPN)形态的聚合物纳米纤维在这项工作中用于开发复合疏水性过滤介质以及玻璃纤维,以去除超低硫柴油(ULSD)中的水滴。纳米纤维由疏水性聚乙酸乙烯酯(PVAc)和亲水性聚乙烯基吡咯烷酮(PVP)通过使用喷气纤维(GJF)方法纺丝聚合物溶液制成。纳米纤维由于在纺丝过程中的极性相互作用而覆盖了各个玻璃纤维,并使过滤介质具有高度疏水性,水接触角接近150度。通过将平均尺寸为20μm的水滴与ULSD中的悬浮液分离,可以评估所得过滤介质的效率。

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