Amino Amount and Hydrophilicity of Aminated Polyacrylonitrile Membranes

Chinese Journal of Applied Chemistry ›› 1997, Vol. 0 ›› Issue (5): 95-97.

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Amino Amount and Hydrophilicity of Aminated Polyacrylonitrile Membranes

Yuan Xiaoyan¹, Sheng Jing¹, Shen Ningxiang¹, Xu Jinlu¹, L? Xiaolong²

Department of Material Science and Engineering, Tianjin University, Tianjin 300072

Received:1996-12-01 Revised:1997-06-19 Published:1997-10-10 Online:1997-10-10

Abstract

Abstract: Surface modification of polyacrylonitrile membranes by direct amination has been studied. The membrane was firstly hydrolyzed with NaOH solution, then treated with 1,6-hexamethyldiamine(HMDA). Amino amount on the membrane has been measured by titration method. It showed that —NH₂ amount varied with hydrolyzation conditions and HMDA concentration. Results of water absorption and contact angle showed that the hydrophilicity of aminated membrane was better than that of original PAN membrane.

Key words: amination, polyacrylonitrile membrane, amino amount, hydrophilicity

Yuan Xiaoyan, Sheng Jing, Shen Ningxiang, Xu Jinlu, L? Xiaolong. Amino Amount and Hydrophilicity of Aminated Polyacrylonitrile Membranes[J]. Chinese Journal of Applied Chemistry, 1997, 0(5): 95-97.

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Amino Amount and Hydrophilicity of Aminated Polyacrylonitrile Membranes

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