胺肟基尼龙66纤维的制备及其对模拟核工业废水中铀的选择性吸附

doi:10.11889/j.1000-3436.2017.rrj.35.040304

Journal of Radiation Research and Radiation Proces ›› 2017, Vol. 35 ›› Issue (4): 40304-040304.doi: 10.11889/j.1000-3436.2017.rrj.35.040304

• RADIATION CHEMISTRY • Previous Articles

Preparation of amidoximated nylon 66 fibers for selective adsorption of uranium in simulated nuclear industry effluents

ZHANG Mingxing^1,2, LI Rong¹, XING Zhe¹, HU Jiangtao¹, WU Guozhong^1,3

1. Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Jiading Campus, Shanghai 201800, China;
2. University of Chinese Academy of Sciences, Beijing 100049, China;
3. Shanghai Tech University, Shanghai 200031, China

Received:2017-04-25 Revised:2017-05-18 Online:2017-08-20 Published:2017-07-29
Supported by:
Supported by the National Nature Science Foundation of China (11275252, 11305243, 11405249, 11605275, and 11675247)

Abstract

Abstract:

Amidoximated nylon 66 fibers were successfully synthesized by combining radiation-induced graft polymerization with chemical modification through a three-step approach. The chemical structure and micromorphology of the pristine and modified nylon 66 fibers were characterized by Fourier transform infrared spectroscopy (FTIR) and scanning electron microscopy (SEM). The results showed that amidoxime groups were covalently connected to nylon 66 fibers. The results of adsorption of uranium in simulated nuclear industry effluents showed that amidoximated nylon 66 fibers performed a high adsorption efficiency (91.3%) and excellent selectivity for uranium adsorption, indicating that amidoximated nylon 66 fibers have potential application in industry.

Key words: Radiation-induced graft polymerization, Nylon 66 fibers, Amidoximation, Adsorption, Uranium, Simulated nuclear industry effluents

CLC Number:

TL13

ZHANG Mingxing, LI Rong, XING Zhe, HU Jiangtao, WU Guozhong. Preparation of amidoximated nylon 66 fibers for selective adsorption of uranium in simulated nuclear industry effluents[J].Journal of Radiation Research and Radiation Proces, 2017, 35(4): 40304-040304.

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Preparation of amidoximated nylon 66 fibers for selective adsorption of uranium in simulated nuclear industry effluents

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