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[1]叶远松,李冰,黄健,等.聚(N-异丙基丙烯酰胺)接枝聚丙烯多孔膜的油水分离及易清洗性能[J].南京工业大学学报(自然科学版),2016,38(06):57-62.[doi:10.3969/j.issn.1671-7627.2016.06.010]
 YE Yuansong,LI Bing,HUANG Jian,et al.Performances of oil/water separation and easy-cleaning for poly(N-isopropylacrylamide)grafted porous polypropylene membrane[J].Journal of NANJING TECH UNIVERSITY(NATURAL SCIENCE EDITION),2016,38(06):57-62.[doi:10.3969/j.issn.1671-7627.2016.06.010]
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聚(N-异丙基丙烯酰胺)接枝聚丙烯多孔膜的油水分离及易清洗性能()
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《南京工业大学学报(自然科学版)》[ISSN:1671-7627/CN:32-1670/N]

卷:
38
期数:
2016年06期
页码:
57-62
栏目:
出版日期:
2016-11-15

文章信息/Info

Title:
Performances of oil/water separation and easy-cleaning for poly(N-isopropylacrylamide)grafted porous polypropylene membrane
文章编号:
1671-7627(2016)06-0057-06
作者:
叶远松1李冰1黄健1王晓琳2
1.南京工业大学 材料科学与工程学院,江苏 南京 210009; 2.清华大学 化学工程系,北京 100084
Author(s):
YE Yuansong1LI Bing1HUANG Jian1WANG Xiaolin2
1.College of Materials Science and Engineering,Nanjing Tech University,Nanjing 210009,China; 2.Department of Chemical Engineering,Tsinghua University,Beijing 100084,China
关键词:
聚(N-异丙基丙烯酰胺) 聚丙烯多孔膜 油水分离 膜污染 膜表面清洗
Keywords:
poly(N-isopropylacrylamide) porous polypropylene membrane oil/water separation membrane fouling membrane surface cleaning
分类号:
TQ028.8
DOI:
10.3969/j.issn.1671-7627.2016.06.010
文献标志码:
A
摘要:
以等离子体引发方法制备聚(N-异丙基丙烯酰胺)(PNIPAAm)接枝的聚丙烯(PP)多孔膜。在考察改性膜表面润湿及水通量温敏性的基础上,详细研究改性膜在处理乳化油废水时的油水分离及变温清洗性能。结果表明:因表面亲水性改善,改性膜在低临界溶解温度(LCST)以下油水分离时的通量衰减明显减缓,在LCST以上的稳定通量明显增大,油截留率超过了99%。经简单的变温(35 ℃/25 ℃)水清洗,污染膜的水通量恢复率达89.7%。PNIPAAm的体积相转变是改性膜表面易清洗的原因。
Abstract:
The poly(N-isopropylacrylamide)(PNIPAAm)grafted porous polypropylene(PP)membrane was prepared by a plasma method.After investigation on both thermosensitive behaviors of surface wettability and water flux for the modified membrane,its performances of oil/water separation and temperature-change cleaning were evaluated in detail.Benefiting from hydrophilic improvement on the surface,the modified membrane exhibited significant relief in flux decline below the lower critical solution temperature(LCST)of PNIPAAm and showed much larger steady fluxes above the LCST in the oil/water separation.Simultaneously,the modified membrane acquired an oil retention rate exceeding 99%.After the oil/water separation,the fouled membrane could reach a water flux recovery of 89.7% via a simple temperature-change water cleaning performed at 35 ℃ and 25 ℃ alternately.The volume-phase transition of PNIPAAm was responsible for the easy-cleaning performance of the modified membrane surface.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2015-10-25
基金项目:国家重点基础研究发展计划(973计划)(2009CB623404); 国家自然科学基金(20476045); 江苏省大学生创新创业训练计划(201510291090X)
作者简介:叶远松(1985—),男,安徽安庆人,博士生,主要研究方向为聚合物膜材料的功能化改性; 黄健(联系人),教授,E-mail:jhuang@njtech.edu.cn.
引用本文:叶远松,李冰,黄健,等.聚(N-异丙基丙烯酰胺)接枝聚丙烯多孔膜的油水分离及易清洗性能[J].南京工业大学学报(自然科学版),2016,38(6):57-62..
更新日期/Last Update: 2016-12-20