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[1]张　宇,张甜甜,郭雅妮*.H-PSMA/PVA/PP复合膜的制备及油-水乳液分离性能[J].武汉工程大学学报,2021,43(01):59-64.[doi:10.19843/j.cnki.CN42-1779/TQ.202008017]
　ZHANG Yu,ZHANG Tiantian,GUO Yani*.Preparation of H-PSMA/PVA/PP Composite Membrane and Its Separation Performance for Oil-Water Emulsion[J].Journal of Wuhan Institute of Technology,2021,43(01):59-64.[doi:10.19843/j.cnki.CN42-1779/TQ.202008017]
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
43
期数:
2021年01期
页码:
59-64
栏目:
材料科学与工程
出版日期:
2021-02-28

文章信息/Info

Title:
Preparation of H-PSMA/PVA/PP Composite Membrane and Its Separation Performance for Oil-Water Emulsion
文章编号:
1674 - 2869（2021）01 - 0059 - 06
作者:
张　宇1; 张甜甜1; 郭雅妮*1; 2
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):
ZHANG Yu1; ZHANG Tiantian1; GUO Yani*1; 2
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; 聚乙烯醇; 戊二醛; 聚丙烯; 油水分离膜
Keywords:
styrene; maleic anhydride; polyvinyl alcohol; glutaraldehyde; polypropylene; oil-water separation membrane
分类号:
O631.2
DOI:
10.19843/j.cnki.CN42-1779/TQ.202008017
文献标志码:
A
摘要:
通过两步法对聚丙烯（PP）膜进行了亲水改性：首先，通过在碱性条件下水解苯乙烯-马来酸酐共聚物（PSMA）制备了水解的苯乙烯-马来酸酐共聚物（H-PSMA）；然后，以聚乙烯醇（PVA）为亲水性改性剂，戊二醛（GA）为交联剂，将H-PSMA/PVA/GA复合材料浸涂在PP基底膜上，制备了亲水性水解苯乙烯-马来酸酐共聚物/聚乙烯醇/聚丙烯（H-PSMA/PVA/PP）复合膜。利用傅里叶变换红外光谱（FT-IR）分析表征了H-PSMA和H-PSMA/PVA/GA的结构；通过测试复合膜表面的静态接触角，探究了PVA和GA含量及成膜溶液的质量浓度等对膜表面润湿性能的影响；最后，测试了复合膜的油水分离效率和重复利用率。结果表明：当GA、PVA和H-PSMA的质量比为0.225∶1∶1，成膜溶液的质量浓度为0.03 g/mL时，所制备的H-PSMA/PVA/PP复合物膜对水包油乳液（O/W）表现出优异的分离性能，初次油水分离效率为99.40%，当重复分离10次后，油水乳液的分离效率仍达到98.83%以上。该复合膜的制备工艺具有安全性好、成本低和环境友好的特点。
Abstract:
Polypropylene （PP） membrane was hydrophilically modified via two steps. Firstly，the hydrolyzed poly（styrene-co-maleic anhydride） （H-PSMA） was prepared by hydrolysis reaction of poly（styrene-co-maleic anhydride） （PSMA） in an alkaline environment. Secondly the hydrophilichydrolyzed poly（styrene-co-maleic anhydride）/polyvinyl alcohol/polypropylene （H-PSMA/PVA/PP） composite membranes were prepared by coating PP base membrane with H-PSMA/PVA/GA composite，in which PVA was used as hydrophilic modifier and glutaraldehyde （GA） as crosslinking agent. The chemical structures of H-PSMA and H-PSMA/PVA/GA were characterized using Fourier transform infrared spectroscopy analysis. The influences of the contents of PVA，GA and the mass concentration of membrane-forming solution on the wettability of the composite membranes were tested by surface static contact angle. The oil-water separation efficiency and the recycling rate of the composite membranes were also investigated. The results show that the as-prepared composite membrane exhibits excellent separation efficiency for oil-in-water（O/W）emulsion. The separation efficiency of the composite membrane is 99.40% initially and above 98.83% after 10 cycles when the mass ratio of GA，PVA and H-PSMA is 0.225∶1∶1 and the mass concentration of the membrane-forming solution is 0.03 g/mL. The preparation process of the composite membrane has the advantages of low cost，safety and environmental friendliness.

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备注/Memo

备注/Memo:
收稿日期：2020-08-14基金项目：湖北省教育厅科学研究基金（B2019056）；岩土力学与工程国家重点实验室开放基金（Z018008）；武汉工程大学第十一届研究生教育创新基金（CX2019055）；武汉工程大学科学研究基金（K201623）作者简介：张　宇，硕士研究生。E-mail：[email protected]*通讯作者：郭雅妮，博士，副教授。E-mail：[email protected]引文格式：张宇，张甜甜，郭雅妮. H-PSMA/PVA/PP复合膜的制备及油-水乳液分离性能［J］. 武汉工程大学学报，2021，43（1）：59-64.
更新日期/Last Update: 2021-02-07