Synthesis of amidoxime-modifide polyacrylonitrile-β- cyclodextrin nanofiber membranes and its adsorption properties

LIU Lan; LIN Xiaoyan; LIANG Lili; GONG Hongying; LUO Xuegang

doi:10.13801/j.cnki.fhclxb.20210514.002

Volume 39 Issue 2

Feb. 2022

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Article Navigation > Acta Materiae Compositae Sinica > 2022 > 39(2): 726-735

LIU Lan, LIN Xiaoyan, LIANG Lili, et al. Synthesis of amidoxime-modifide polyacrylonitrile-β- cyclodextrin nanofiber membranes and its adsorption properties[J]. Acta Materiae Compositae Sinica, 2022, 39(2): 726-735. doi: 10.13801/j.cnki.fhclxb.20210514.002

Citation:

LIU Lan, LIN Xiaoyan, LIANG Lili, et al. Synthesis of amidoxime-modifide polyacrylonitrile-β- cyclodextrin nanofiber membranes and its adsorption properties[J]. Acta Materiae Compositae Sinica, 2022, 39(2): 726-735. doi: 10.13801/j.cnki.fhclxb.20210514.002

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Synthesis of amidoxime-modifide polyacrylonitrile-β- cyclodextrin nanofiber membranes and its adsorption properties

doi: 10.13801/j.cnki.fhclxb.20210514.002

LIU Lan^{1, 2
,},
LIN Xiaoyan^{1, 2
,
,},
LIANG Lili^{1, 2
,},
GONG Hongying^{1, 2
,},
LUO Xuegang¹

1.
School of Materials Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, China
2.
Engineering Research Center of Biomass Materials, Ministry of Education, Southwest University of Science and Technology, Mianyang 621010, China

Received Date: 2021-03-04
Accepted Date: 2021-05-06
Rev Recd Date: 2021-04-26

Available Online: 2021-05-14

Publish Date: 2022-02-01

Abstract

Abstract

Amidoxime polyacrylonitrile (AOPAN)-β-cyclodextrin (β-CD) nanofiber membranes were synthesized in one step using polyacrylonitrile (PAN) and β-CD as raw materials by in-situ amidoxime modification with hydroxylamine hydrochloride and then electrospinning technology. Evaluating by morphology and adsorption capacity, the preparation condition of modification was optimized. The morphology, composition and properties of the membranes were characterized by SEM, FTIR and surface tension meter. The results show that under the optimized modification process conditions, which the molar ratio of cyanogroup to hydroxylamine is 1∶1 and the modification time is 2 h, the morphology distribution of AOPAN-β-CD nanofiber membrane is more uniform and the fiber diameter is about 230 nm, and the adsorption capacity of the fiber membrane reaches 78.62 mg/g.
- amidoximation,
- membranes,
- adsorption characteristic,
- uranium,
- PAN,
- β-CD
Long Abstrsct
Innovation Points

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References(22)

References

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