CuPc(COOH)8-SA/CuTAPc-CS双极膜的制备及表征

高等学校化学学报 ›› 2010, Vol. 31 ›› Issue (3): 530.

CuPc(COOH)₈-SA/CuTAPc-CS双极膜的制备及表征

陈日耀¹, 陈震^1,2, 郑曦¹, 陈晓¹, 倪世茂¹, 尤春满¹

1. 福建师范大学化学与材料学院, 福州 350007;
2. 宁德师范高等专科学校化学系, 宁德 352100

收稿日期:2009-08-06 出版日期:2010-03-10 发布日期:2010-03-10
通讯作者: 陈震, 男, 博士, 研究员, 博士生导师, 主要从事膜科学方面研究. E-mail: zc1224@publ.fz.fj.cn
基金资助:
福建省自然科学基金(批准号: D0710009)资助.

Preparation and Characterization of CuPc(COOH)₈-SA/CuTAPc-CS Bipolar Membrane

CHEN Ri-Yao¹, CHEN Zhen^1,2*, ZHENG Xi¹, CHEN Xiao¹, NI Shi-Mao¹, YOU Chun-Man¹

1. College of Chemistry and Materials Science, Fujian Normal University, Fuzhou 350007, China;
2. Chemistry Department of Fujian Ningde Teachers College, Ningde 352100, China

Received:2009-08-06 Online:2010-03-10 Published:2010-03-10
Contact: CHEN Zhen. E-mail: zc1224@publ.fz.fj.cn
Supported by:
福建省自然科学基金(批准号: D0710009)资助.

摘要/Abstract

摘要：

分别用八羧基铜酞菁[CuPc(COOH)₈]和四氨基铜酞菁(CuTAPc)改性海藻酸钠(SA)阳膜层和壳聚糖(CS)阴膜层, 制备了CuPc(COOH)₈-SA/CuTAPc-CS双极膜. 实验结果表明, 经八羧基铜酞菁和四氨基铜酞菁改性后, 促进了双极膜中间层水的解离, 增大了阳离子交换膜层和阴离子交换膜层的离子交换容量及H⁺和OH^-的透过率. 与Fe³⁺改性的Fe-SA/mCS双极膜相比, CuPc(COOH)₈-SA/CuTAPc-CS双极膜的阻抗、电阻压降(即IR降)和溶胀度降低. 当电流密度高达120 mA/cm²时, CuPc(COOH)₈-SA/CuTAPc-CS双极膜的IR降仅为0.9 V.

关键词: 八羧基铜酞菁; 四氨基铜酞菁; 海藻酸钠; 壳聚糖; 双极膜

Abstract:

The sodium alginate(SA) cation layer and the chitosan(CS) anion layer were modified by copper octocarboxyphthalocyanine[CuPc(COOH)₈] and copper tetraaminophthalocyanine(CuTAPc) to prepare the CuPc(COOH)₈-SA/CuTAPc-CS bipolar membranes(BPM). The ion exchange capacity and hydrogen ion transmigration rate of the CuPc(COOH)₈-SA cation exchange membrane, and the ion exchange capacity and hydroxide ion transmigration rate of the CuTAPc-CS anion exchange membrane were increased. The water splitting rate at the interlayer of the CuPc(COOH)₈-SA/CuTAPc-CS BPM was promoted. In comparison with the Fe-SA/mCS BPM modified by Fe³⁺, the membrane impedance, IR drop and swelling degree of the CuPc(COOH)₈-SA/CuTAPc-CS BPM all obviously decreased. The IR drop of the CuPc(COOH)₈-SA/CuTAPc-CS BPM was 0.9 V at a higher current density of 120 mA/cm².

Key words: Copper octocarboxyphthalocyanine; Copper tetraaminophthalocyanine; Sodium alginate; Chitosan; Bipolar membrane

TrendMD:

陈日耀1, 陈震, 郑曦, 陈晓, 倪世茂, 尤春满. CuPc(COOH)₈-SA/CuTAPc-CS双极膜的制备及表征. 高等学校化学学报, 2010, 31(3): 530.

CHEN Ri-Yao, CHEN Zhen*, ZHENG Xi, CHEN Xiao, NI Shi-Mao, YOU Chun-Man. Preparation and Characterization of CuPc(COOH)₈-SA/CuTAPc-CS Bipolar Membrane. Chem. J. Chinese Universities, 2010, 31(3): 530.

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CuPc(COOH)₈-SA/CuTAPc-CS双极膜的制备及表征

Preparation and Characterization of CuPc(COOH)₈-SA/CuTAPc-CS Bipolar Membrane

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