PREPARATION AND CHARACTERIZATION OF ION EXCHANGE MEMBRANES BASED ON POLYVINYLIDENE FLUORIDE

Bo  Tian; Chuan-wei  Yan; Fu-hui  Wang

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PREPARATION AND CHARACTERIZATION OF ION EXCHANGE MEMBRANES BASED ON POLYVINYLIDENE FLUORIDE

Papers | Updated：2021-06-21

- PREPARATION AND CHARACTERIZATION OF ION EXCHANGE MEMBRANES BASED ON POLYVINYLIDENE FLUORIDE
- PREPARATION AND CHARACTERIZATION OF ION EXCHANGE MEMBRANES BASED ON POLYVINYLIDENE FLUORIDE
- 高分子科学（英文版） 2004年22卷第6期页码：505-510
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- 纸质出版：2004-12-20
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Bo Tian, Chuan-wei Yan, Fu-hui Wang. PREPARATION AND CHARACTERIZATION OF ION EXCHANGE MEMBRANES BASED ON POLYVINYLIDENE FLUORIDE[J]. 高分子科学（英文版）, 2004,22(6):505-510.

Bo Tian, Chuan-wei Yan, Fu-hui Wang. PREPARATION AND CHARACTERIZATION OF ION EXCHANGE MEMBRANES BASED ON POLYVINYLIDENE FLUORIDE[J]. 2004, 22(6): 505-510.
Bo Tian, Chuan-wei Yan, Fu-hui Wang. PREPARATION AND CHARACTERIZATION OF ION EXCHANGE MEMBRANES BASED ON POLYVINYLIDENE FLUORIDE[J]. 高分子科学（英文版）, 2004,22(6):505-510. DOI：

Bo Tian, Chuan-wei Yan, Fu-hui Wang. PREPARATION AND CHARACTERIZATION OF ION EXCHANGE MEMBRANES BASED ON POLYVINYLIDENE FLUORIDE[J]. 2004, 22(6): 505-510. DOI：

摘要

A new ion exchange membrane based on polyvinylidene fluoride (PVDF) and sulfonated poly(styrene-divinylbenzene) was prepared by in-situ polymerization. The incorporation of sulfonic groups into the polyvinylidene fluoride composite membrane was confirmed by infrared spectroscopy (IR)

ion exchange capacity (IEC) and energy dispersive X-ray analysis (EDAX). Area resistance

IEC and water uptake of the treated membrane were evaluated. When 20% of the crosslinked membrane was sulfonated at 80℃ for 22 h

the PVDF ion exchange membrane can attain 0.8 cm2 area resistance in NaCl aqueous solution at 25℃

IEC is as high as 2.43 millimoles per gram of the wet membrane. The hydrophilicity of PVDF membrane is also significantly improved after treatment. When 60% of crosslinked membrane was sulfonated at 80℃ for 6 h

water uptake of the treated membrane can attain 64.7%.

Abstract

ion exchange capacity (IEC) and energy dispersive X-ray analysis (EDAX). Area resistance

IEC and water uptake of the treated membrane were evaluated. When 20% of the crosslinked membrane was sulfonated at 80℃ for 22 h

the PVDF ion exchange membrane can attain 0.8 cm2 area resistance in NaCl aqueous solution at 25℃

water uptake of the treated membrane can attain 64.7%.

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