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Chemical Research in Chinese Universities

, Volume 33, Issue 6, pp 995–999 | Cite as

PVA/PEG hybrid hydrogels prepared by freeze-thawing and high energy electron beam irradiation

  • Chunming Zhao
  • Xueting Lu
  • Qianqian Hu
  • Shuai Liu
  • Shuang Guan
Article

Abstract

In this paper, poly(vinyl alcohol)(PVA) and PVA/poly(ethylene glycol)(PEG) hybrid hydrogels were synthesized by freeze-thawing or freeze-thawing followed by high energy electron beam irradiation. The influence of PEG molecular weight, mass ratios of PVA to PEG, thawing temperature and number of freeze-thawing(FT) cycles on the mechanical strength of PVA/PEG hydrogel was investigated. Also, the thermal behaviors were examined by differential scanning calorimetry(DSC) and the microstructures were observed with scanning electron microscopy(SEM). The results suggest that the addition of PEG improves the mechanical strength of PVA hydrogel and the irradiation reduces both the strength of PVA/PEG hydrogel slightly and the degree of crystallinity. The improved properties suggest that PVA/PEG hydrogel can be a good candidate for the application in the biomedical.

Keywords

Poly(vinyl alcohol) Poly(ethylene glycol) High energy beam irradiation Freeze-thawing Hydrogel 

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Copyright information

© Jilin University, The Editorial Department of Chemical Research in Chinese Universities and Springer-Verlag GmbH Germany, part of Springer Nature 2017

Authors and Affiliations

  • Chunming Zhao
    • 1
  • Xueting Lu
    • 1
  • Qianqian Hu
    • 1
  • Shuai Liu
    • 1
  • Shuang Guan
    • 1
  1. 1.School of Chemistry and Life Science, Advanced Institute of Materials ScienceChangchun University of TechnologyChangchunP. R. China

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