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[1]文 轩,张 宇,郭雅妮*.纳米SiO2改性PSMA/FS复合膜的制备及油水分离性能[J].武汉工程大学学报,2020,42(02):186-191.[doi:10.19843/j.cnki.CN42-1779/TQ.201910005]
 WEN Xuan,ZHANG Yu,GUO Yani*.Preparation and Oil-Water Separation Performance of Nano-Silica Modified PSMA/FS Composite Membrane[J].Journal of Wuhan Institute of Technology,2020,42(02):186-191.[doi:10.19843/j.cnki.CN42-1779/TQ.201910005]
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纳米SiO2改性PSMA/FS复合膜的制备及油水分离性能(/HTML)
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
42
期数:
2020年02期
页码:
186-191
栏目:
材料科学与工程
出版日期:
2021-01-26

文章信息/Info

Title:
Preparation and Oil-Water Separation Performance of Nano-Silica Modified PSMA/FS Composite Membrane
文章编号:
1674 - 2869(2020)02 - 0186 - 06
作者:
文 轩1张 宇1郭雅妮*12
1. 武汉工程大学材料科学与工程学院,湖北 武汉 430205;2. 中国科学院武汉岩土力学研究所岩土力学与工程国家重点实验室,湖北 武汉 430071
Author(s):
WEN Xuan1ZHANG Yu1GUO Yani*12
1. School of Materials Science and Engineering,Wuhan Institute of Technology,Wuhan 430205,China;2. State Key Laboratory of Geomechanics and Geotechnical Engineering,Institute of Rock and Soil Mechanics,Chinese Academy of Sciences,Wuhan 430071,China
关键词:
苯乙烯马来酸酐偶联单体油水分离膜二氧化硅氟碳表面活性剂
Keywords:
styrenemaleic anhydridecoupling monomeroil-water separation membranesilicafluorocarbon surfactant
分类号:
O631.2
DOI:
10.19843/j.cnki.CN42-1779/TQ.201910005
文献标志码:
A
摘要:
以偶氮二异丁腈为引发剂,以苯乙烯、马来酸酐和乙烯基三乙氧基硅烷为单体通过自由基聚合制备了具有偶联功能的苯乙烯-马来酸酐共聚物(f-PSMA);采用溶胶-凝胶法制备纳米SiO2;再使f-PSMA、纳米SiO2和氟碳表面活性剂(FS)通过分子间的作用力自组装制备PSMA/SiO2/FS复合材料;采用不锈钢网作为基底材料,通过浸泡法将PSMA/SiO2/FS复合材料涂覆到不锈钢网上,制备油水分离膜。分别通过傅里叶变换红外光谱和热失重表征了f-PSMA和纳米SiO2的结构和热性能;通过测试分离膜表面的接触角,探究了SiO2含量和成膜溶液的质量分数对膜表面润湿性的影响;最后,测试了复合物膜的油水分离效率和重复利用率。结果表明:当f-PSMA和SiO2的质量比为2∶1,成膜溶液的质量分数为10%时,复合物膜的初次油水分离效率达到100%,当重复分离20次后,油水分离效率仍在98.8%以上。
Abstract:
The coupling functionalized poly (styrene-co-maleic anhydride)(f-PSMA) was prepared by free radical polymerization with azodiisobutyronitrile as initiator,styrene,maleic anhydride and vinyl triethoxylsilane as monomers. The nano-silica was prepared by sol-gel method. Then the poly (styrene-co-maleic anhydride)/nano silica/fluorocarbon surfactant composite materials were prepared by self-assembly force between f-PSMA,nano-SiO2 and fluorocarbon surfactant. The oil-water separation membranes were obtained by dip-coating the prepared composites on stainless steel mesh. The structural and thermal properties of f-PSMA and nano-silica were characterized by Fourier transform infrared spectroscopy and thermogravimetric analysis. The influences of the nano-silica content and the mass fraction of film-forming solution on the wettability of the composite membranes were investigated by surface contact angle. Finally,the oil-water separation efficiency and the recycling rate of the composite membrane were also tested. The results show that the oil-water separation efficiency of the composite membrane reaches 100% initially and still keeps above 98.8% after 20 times of repeated separation when the mass ratio of f-PSMA and nano-silica is 2 ∶1 and the mass fraction of the film-forming solution is 10%.

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备注/Memo

备注/Memo:
收稿日期:2019-10-08基金项目:湖北省教育厅科学研究基金(B2019056);武汉工程大学第十届研究生教育创新基金(CX2018066);武汉工程大学科学研究基金(K201623);岩土力学与工程国家重点实验室开放基金(Z018008)作者简介:文 轩,硕士研究生。E-mail:2507080246@qq.com*通讯作者:郭雅妮,博士,副教授。E-mail:guoyni@163.com引文格式:文轩,张宇,郭雅妮. 纳米SiO2改性PSMA/FS复合膜的制备及油水分离性能[J]. 武汉工程大学学报,2020,42(2):186-191.
更新日期/Last Update: 2020-06-20