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[1]李成胜,李雪梅,何涛.支撑型复合高分子膜材料的制备与表征[J].南京工业大学学报(自然科学版),2012,34(01):85-90.
 LI Chengsheng,LI Xuemei,HE Tao.Preparation and characterization of reinforced polymeric membrane with fabric support[J].Journal of NANJING TECH UNIVERSITY(NATURAL SCIENCE EDITION),2012,34(01):85-90.
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支撑型复合高分子膜材料的制备与表征()
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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:
34
期数:
2012年01期
页码:
85-90
栏目:
出版日期:
2012-01-20

文章信息/Info

Title:
Preparation and characterization of reinforced polymeric membrane with fabric support
文章编号:
1671-7627(2009)03-0060-85-06
作者:
李成胜12李雪梅2何涛23
1. 东南大学 成贤学院,江苏南京210008;
2. 南京工业大学 化学化工学院,材料化学工程国家重点实验室,江苏南京210009;
3. 中国科学院上海高等研究院 先进材料科学与工程中心,上海201203)
Author(s):
LI Chengsheng 12 LI Xuemei 2 HE Tao 23
1. Southeast University, Chengxian College,Nanjing 210008, China; 2. State Key Laboratory of
Materials-Oriented Chemical Engineering, College of Chemistry and Chemical Engineering,
Nanjing University of Technology, Nanjing 21009,China; 3. Center for Advanced Materials Science and
Engineering, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201203,China
关键词:
 高强度织物支撑复合膜收缩
Keywords:
Key words:high-strength fabric support composite membrane shrinkage
分类号:
TQ0504+25
文献标志码:
A
摘要:
 采用浸没沉淀法、织物为支撑体制备复合型高强度膜材料。提出了支撑材料的筛选方案,研究了带支撑的复合膜在成膜过程中的起皱原因, 并成功制备了支撑型复合膜。考察了不同质量分数的聚偏氟乙烯(PVDF)、聚砜(PSF)收缩率、拉伸强度、平均孔径、纯水通量等因素对复合膜性能的影响。采用膜通量、孔径分析、力学强度、扫描电镜(SEM)、收缩率对复合膜进行分析与表征。结果表明:高分子材料在成膜过程中的收缩与支撑材料的收缩的差异可能是起皱的重要原因。收缩率大于50%,起皱收缩明显;收缩率低于40%,复合膜平整。所制备的高强度复合膜的拉伸强度大于35MPa,膜孔径为007~06μm,水通量为5000~17000L/(m2·h·MPa)。
Abstract:
Fabric reinforced high strength composite membranes were prepared by immersion phase separation. Different supporting materials were tested and a selection criterion was suggested. The effects of the operational conditions were as follows:the shrinkage of polyvinylidene fluoride(PVDF) or polysulfone (PSF), the tensile strength, the mean pore size, and the pure water permeation in different concentration polymer solutions. The composite membranes were characterized by pure water permeation, pore size, strength, scanning electron microscop(SEM), and shrinkage. The results showed that the shrinking difference in the polymer materials played a key role in determining the adhesion of the polymeric membrane material and fabric in that a lower degree of shrinkage led to good composite membranes. The sbrinkage rate was greater than 50%, wrinkling obvious; the shrinkage rate was less than 40%, composite membrane formed. Finally, a high-strength composite membrane was prepared with a pore size of 007~06μm, pure water flux of 5000~17000L/(m2·h·MPa), and a tensile strength of 35MPa.

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备注/Memo

备注/Memo:
收稿日期:2011-04-08
基金项目:国家重点基础研究发展计划(973计划)资助项目(2009CB623402);材料化学工程国家重点实验室基金资助项目(ZK200804);国家自然科学基金资助项目(20976083)
作者简介:李成胜(1977—),男,江苏盐城人,硕士,主要研究方向为高强度有机高分子膜制备和应用;李雪梅(联系人),教授,E-mail:taohe@njut.edu.cn.
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