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Citation: Yuan Xiaoyan, Sheng Jing, Shen Ningxiang, Xu Jinlu, Lü Xiaolong. Amino Amount and Hydrophilicity of Aminated Polyacrylonitrile Membranes[J]. Chinese Journal of Applied Chemistry, ;1997, 14(5): 95-97. shu

Amino Amount and Hydrophilicity of Aminated Polyacrylonitrile Membranes

1.
Department of Material Science and Engineering, Tianjin University, Tianjin 300072

Received Date: 1 December 1996
Available Online: 19 June 1997

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.
- amination,
- polyacrylonitrile membrane,
- amino amount,
- hydrophilicity
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