Chem. J. Chinese Universities ›› 2017, Vol. 38 ›› Issue (8): 1465.doi: 10.7503/cjcu20170142

• Polymer Chemistry • Previous Articles     Next Articles

Preparation of PVA/GA/β-CD Nanofibers and Its Adsorption of Dyestuff

LU Guanxiu1,2, LIU Qingwen2, KONG Xiangyi1, CONG Lele1, SONG Yan3, ZHAO Qing1, YANG Qingbiao2, LI Yaoxian2   

  1. 1. China-Japan Union Hospital of Jilin University, Changchun 130031, China;
    2. College of Chemistry, Jilin University, Changchun 130021, China;
    3. College of Materials Science and Engineering, Jilin Institute of Chemical Technology, Jilin 132022, China
  • Received:2017-03-09 Revised:2017-06-12 Online:2017-08-10 Published:2017-06-12
  • Supported by:

    Supported by the Natural Science Foundation of Jilin Province, China(Nos.20160101311JC, 20170101105JC) and the Key Projects of Science and Technology Department of Jilin Province, China(Nos.20140204054GX, 20170204039GX).

Abstract:

The polyvinylalcohol/β-cyclodextrin(PVA/β-CD) nanofibers with 70%(mass fraction) of β-CD were obtained by electrostatic spinning with hexafluoroisopropanol(HFIP) and H2O as solvents. And after cross-linking treatment with glutaraldehyde(GA), a water-insoluble nanofiber membrane of PVA/GA/β-CD was prepared. Compared with the products before being cross-linking, composition and morphology for the nanofibers were studied by Infrared spectroscopy and scanning electron microscopy. In addition, the adsorptive properties of the PVA/GA/β-CD nanofibers to seven water-soluble dyes were investigated. The results show that the adsorptive effect of fiber on malachite green, methyl violet and congo red are better than others, and the maximum adsorptive capacities are 124.71, 121.14 and 127.39 mg/g, respectively. After four cycles of adsorption-desorption, the dye removal rate still remains 80%. Thus, the nanofiber exhibits an excellent applicative prospect in waste water treatment with dye.

Key words: Nanofiber, Electrospinning, Cyclodextrin, Adsorption of dyestuff

CLC Number: 

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