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dc.contributor.author张秀华
dc.contributor.author朱爱梅
dc.contributor.author张秋根
dc.contributor.author刘庆林
dc.date.accessioned2016-05-17T02:51:41Z
dc.date.available2016-05-17T02:51:41Z
dc.date.issued2010
dc.identifier.citation高分子材料科学与工程,2010,(9):151-155
dc.identifier.issn1000-7555
dc.identifier.otherGFZC201009042
dc.identifier.urihttps://dspace.xmu.edu.cn/handle/2288/106375
dc.description.abstract制备了聚乙烯醇(PVA)、PVA/聚乙烯吡咯烷酮(PVP)与戊二醛交联的PVA/PVP膜用于渗透蒸发对乙酸乙酯/乙醇/水三元共沸体系脱水。采用傅立叶变换红外光谱(fT-Ir),X射线散射(Xrd)和扫描电镜(SEM)等对膜的物理化学结构及形貌进行了表征。考察了PVP含量、交联度对共混膜结构和亲水性的影响。考察了PVP含量、交联度和温度对PVA均质膜的分离性能和溶胀行为的影响。结果表明,交联的PVA/PVP共混膜对乙酸乙酯/乙醇/水有着优异的分离性能。
dc.description.abstractHomogeneous membranes were prepared by blending poly (vinyl alcohol) (PVA) with polyvinylpyrrolidone (PVP) and then cross-linked with glutaraldehyde (GA).The dehydration of ethyl acetate/ethanol/water azeotrope by pervaporation was proposed with the aims of low energy consumption and high separation factor.The membranes were characterized by Fourier transform infrared spectroscopy (FT-IR),wide-angle X-ray diffraction (XRD) and scanning electron microscopy (SEM).The effects of the PVP content and cross-linking agent volume on the structure of PVA membranes were studied.The effects of the PVP content,cross-linking agent volume and temperature on pervaporation performance and the swelling of PVA membranes were studied.The results show that the cross-linked PVA/PVP blending membranes have high hydrophilicity and high separation performance for ethyl acetate/ethanol/water mixtures.
dc.description.sponsorship国家自然科学基金资助项目(20976145);福建省自然科学基金资助项目(2009J01040)
dc.language.isozh_CN
dc.subject渗透蒸发
dc.subject乙酸乙酯
dc.subject交联
dc.subject共混
dc.subjectpervaporation
dc.subjectethyl acetate
dc.subjectcross-linking
dc.subjectblending
dc.title聚乙烯醇/聚乙烯吡咯烷酮共混膜的制备和性能
dc.title.alternativePoly (Vinyl Alcohol)/Polyvinylpyrrolidone Blending Membranes:Preparation,Characterization and Dehydration of Ethyl Acetate/Ethanol/Water Azeotrope by Pervaporation
dc.typeArticle


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