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PVA电纺纤维后杂化反应膜的形态和保水性能
引用本文:王鹏,史铁钧,徐峰,张克宏.PVA电纺纤维后杂化反应膜的形态和保水性能[J].化工学报,2007,58(12):3175-3179.
作者姓名:王鹏  史铁钧  徐峰  张克宏
作者单位:合肥工业大学化工学院,安徽 合肥 230009
摘    要:用电纺方法制备了直径为200 nm左右的PVA纳米纤维毡,采用溶胶-凝胶法将其与原硅酸四乙酯(TEOS)溶胶杂化,通过控制反应时间制得不同的杂化薄膜。FTIR表明PVA的羟基与TEOS水解物发生了缩合反应。FESEM观察发现电纺纤维杂化后直径变粗,且随着反应时间的延长杂化纤维间的空隙逐渐被SiO2填充。力学性能测试发现,少量SiO2的填充有利于提高薄膜的强度。保水性能测试表明杂化反应时间越长所得薄膜的保水性能越高。

关 键 词:电纺  聚乙烯醇  二氧化硅  后杂化反应  保水性  纺纤维  杂化薄膜  反应膜  形态  保水性能  nanofibers  membrane  post  property  强度  性能测试  力学  延长  发现  FESEM  缩合反应  发生  水解物  羟基  FTIR
收稿时间:2006-12-29
修稿时间:2007-6-11  

Morphology and moisture-retaining property of post hybridized membrane of electrospun PVA nanofibers
WANG Peng,SHI Tiejun,XU Feng,ZHANG Kehong.Morphology and moisture-retaining property of post hybridized membrane of electrospun PVA nanofibers[J].Journal of Chemical Industry and Engineering(China),2007,58(12):3175-3179.
Authors:WANG Peng  SHI Tiejun  XU Feng  ZHANG Kehong
Abstract:The PVA nanofibers with diameter about 200 nm were prepared by electrospinning,and the hybridized membrane was prepared with the PVA nanofibers and tetraethyl orthosiliconte(TEOS)by the sol-gel method.Different membranes were made by controlling the hybridization reaction time.FTIR showed that the hydroxyl goup in PVA condensed with the hydrolysate of TEOS.FESEM result indicated that the diameter of the hybrid fibers increased and the interspace of hybrid fibers were gradually filled in by SiO2 with increasing reaction time.Mechanical testing result indicated that the tensile strength of the hybrid membrane could be increased by filling in a little SiO2.The moisture-retaining property of the hybrid membrane became better with longer hybridization reaction time.
Keywords:electrospinning  PVA  SiO2  post hybridization reaction  moisture-retaining property
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