| PVA/ P（AA-Co-AN）/ PVA渗透汽化膜的研究 |
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| 引用本文： | 庞向川,邓新华,孙元,杜金丽. PVA/ P（AA-Co-AN）/ PVA渗透汽化膜的研究[J]. 精细化工, 2011, 28(1): 45-49 |
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| 作者姓名： | 庞向川 邓新华 孙元 杜金丽 |
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| 作者单位： | 1. 天津工业大学材料科学与工程学院,天津,300160
2. 天津工业大学材料科学与工程学院,天津,300160;天津工业大学中空纤维膜材料与膜过程国家教育部重点实验室,天津,300160 |
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| 摘 要： | 制备一种PVA/P(AA-Co-AN)/PVA复合膜用于甲醇水溶液的分离,膜的主体部分P(AA-Co-AN)由添加纳米S iO2粉末的丙烯酸(AA)和丙烯腈(AN)通过溶液共聚制得,两侧为交联聚乙烯醇(PVA)。考察了复合膜在高质量分数甲醇水溶液中的溶胀性能,探讨了浸泡液温度及浸泡液质量分数对溶胀度的影响,测试了复合膜的力学性能。考察了不同单体配比〔n(AA)∶n(AN)〕所制备的复合膜在不同质量分数甲醇水溶液,不同温度下的渗透汽化性能。结果显示,复合膜在高质量分数甲醇水溶液中具有良好的溶胀性能及渗透汽化性能;在n(AA)∶n(AN)=1∶1下所制备的复合膜,对高质量分数甲醇水溶液分离效果最佳,60℃时分离w(甲醇)=98%的水溶液,分离因子可达1 534,通量为583 g/(m2.h)。
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| 关 键 词： | 渗透汽化 甲醇水溶液 溶胀 功能材料 |
| 收稿时间： | 2010-09-06 |
| 修稿时间： | 2010-11-02 |
Study on Pervaporation Performance of PVA/P(AA-Co-AN)/PVA Membrane |
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| PANG Xiang-chuan,DENG Xin-hu,SUN Yuan and DU Jin-li. Study on Pervaporation Performance of PVA/P(AA-Co-AN)/PVA Membrane[J]. Fine Chemicals, 2011, 28(1): 45-49 |
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| Authors: | PANG Xiang-chuan DENG Xin-hu SUN Yuan DU Jin-li |
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| Affiliation: | PANG Xiang-chuan1,DENG Xin-hua1,2,SUN Yuan1,DU Jin-li1(1.School of Material Science and Engineering,Tianjin Polytechnic University,Tianjin 300160,China,2.Key Laboratory of Hollow Fiber Membrane Material and Membrane Process of Ministry of Education,China) |
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| Abstract: | The PVA/P(AA-Co-AN)/PVA composite membrane was prepared to separate methanol from aqueous solution.Acrylic acid(AA) and acrylonitrile(AN) were synthesized by the solution polymerization with nanometer SiO2.The copolymer solution P(AA-Co-AN) was made into the main body of the membrane,with the polyvinyl alcohol(PVA) acetal membrane on both sides,to make the composite pervaporation membrane.The swelling behavior of membrane in the methanol dense aqueous solution was explored.The effect of the dipping temperat... |
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| Keywords: | pervaporation methanol/water mixture swelling functional materials |
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