[1]刘金盾,罗庆涛,张浩勤..干/湿相转化法制备聚醚酰亚胺纳滤膜[J].郑州大学学报(工学版),2005,26(03):8-11.[doi:10.3969/j.issn.1671-6833.2005.03.003]
　LIU Jindun,Luo Qingtao,Zhang Haoqin.Preparation of polyetherimide nanofiltration membrane by dry/wet phase conversion[J].Journal of Zhengzhou University (Engineering Science),2005,26(03):8-11.[doi:10.3969/j.issn.1671-6833.2005.03.003]

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干/湿相转化法制备聚醚酰亚胺纳滤膜()

分享到：

《郑州大学学报(工学版)》[ISSN:1671-6833/CN:41-1339/T]

卷:

26

期数:

2005年03期

页码:

8-11

栏目:

出版日期:

1900-01-01

文章信息/Info

Title:

Preparation of polyetherimide nanofiltration membrane by dry/wet phase conversion

作者:

刘金盾; 罗庆涛; 张浩勤.

郑州大学化工学院,河南,郑州,450002, 郑州大学化工学院,河南,郑州,450002, 郑州大学化工学院,河南,郑州,450002

Author(s):

LIU Jindun; Luo Qingtao; Zhang Haoqin

关键词:

不对称纳滤膜;  干/湿相转化;  均匀设计

Keywords:

asymmetric nanofiltration membranes;  Dry/wet phase conversion;  Uniform design

DOI:

10.3969/j.issn.1671-6833.2005.03.003

文献标志码:

A

摘要:

以聚醚酰亚胺(PEI)成膜材料,以N-甲基-2-吡略烷酮(NMP)为极性溶剂,以乙二醇二甲醚(DGDE)为挥发性不良溶剂,以磷酸(H3PO4)为不挥发性非溶剂,以聚乙二醇(PEG1 000)为添加剂,以水为凝胶介质,通过干/湿相转化法制备不对称纳滤膜.采用均匀设计法对影响膜性能的主要因素进行了研究,建立了膜性能的回归方程,得到了膜性能与各因素之间的定性和定量关系.增加铸膜液中PEI、H3PO4、DGDE的含量,或者延长蒸发时间,均可提高膜的截流性能,同时也减小膜的水通量;增加PEG1000的含量,能有效地提高膜的水通量.

Abstract:

Asymmetric nanofiltration membranes were prepared by dry/wet phase conversion using polyetherimide (PEI) film-forming material, N-methyl-2-pyrolidone(NMP) as polar solvent, ethylene glycol dimethyl ether (DGDE) as volatile poor solvent, phosphoric acid (H3PO4) as non-volatile non-solvent, polyethylene glycol (PEG1 000) as additive, and water as gel medium. The main factors affecting the membrane performance were studied by uniform design method, and the regression equation of membrane performance was established, and the qualitative and quantitative relationships between membrane performance and various factors were obtained. Increasing the content of PEI, H3PO4 and DGDE in the casting film solution, or prolonging the evaporation time, can improve the interception performance of the membrane and reduce the water flux of the membrane. Increasing the content of PEG1000 can effectively improve the water flux of the membrane.

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