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多孔二醋酸纤维复合材料的制备及其过滤性能研究 被引量:1

Fabrication and filtration performance of cellulose acetate porous fiber composite material
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摘要 采用静电纺丝技术制备多孔二醋酸超细纤维,通过与非织造材料复合形成过滤材料。利用多孔二醋酸纤维膜的高比表面积、高吸附性以及非织造材料的高强度,提高了复合材料的过滤效率。主要探讨了溶液浓度对多孔超细纤维形貌的影响,进而研究各浓度下纤维复合材料的过滤性能差异。采用SEM对纤维膜形貌进行表征,发现溶液质量分数由2.5%上升到5%时,形貌由"串珠形带状纤维"逐渐变为"条干均匀的带状纤维",最终生成"柱状纤维"。试验结果认为,过滤性能与形态结构有较大关系。 Cellulose acetate porous ultrafine fibers are prepared by electrospinning and then fabricated with nonwoven to form filter materials. The prepared filter materials feature improved filtering efficiency with high specific surface area and high absorption of cellulose acetate porous fibers and high strength of nonwoven fabric. The influence of solvent concentration on the morphology of porous ultrafine fibers is investigated, and different filtration properties under different solvent concentration are studied. The fiber surface morphology is characterized by scanning electron microscopy (SEM). The results show that when the solution concentration increases from 2.5% to 5%, the fiber morphology transforms from "bead-on-string ribbon-like fiber" to "even flatter ribbon-like fiber", and finally to be" cylindrical fibers". The filtration properties of fiber composite material have great relationship with morphological structure.
出处 《上海纺织科技》 北大核心 2017年第2期8-10,21,共4页 Shanghai Textile Science & Technology
基金 江南大学大学生创新训练计划项目(2015282Y) 江苏省第五批"六大人才高峰"资助项目(2008080) 江苏高校优势学科建设工程资助项目(PAPD)
关键词 多孔纤维 二醋酸纤维素 过滤性能 porous fiber cellulose acetate filtration performance
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