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 Mingxing1,2, LI Rong1, XING Zhe1, HU Jiangtao1, WU Guozhong1,3   

  1. 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:

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