Study on the γ-irradiation synthesis of PVA/PEO/Chitosan hydrogel film and its performance

LI Jinjin; ZHU Nankang; CHEN Guoqiang

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Study on the γ-irradiation synthesis of PVA/PEO/Chitosan hydrogel film and its performance

更新时间：2023-03-30

- Study on the γ-irradiation synthesis of PVA/PEO/Chitosan hydrogel film and its performance
- Journal of Radiation Research and Radiation Processing Vol. 28, Issue 5, Pages: 294-297(2010)
- 作者机构：
  
  1.苏州大学纺织与服装工程学院　苏州　215123
  2.苏州大学辐照技术研究所　苏州　215021
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LI Jinjin, ZHU Nankang, CHEN Guoqiang. Study on the γ-irradiation synthesis of PVA/PEO/Chitosan hydrogel film and its performance. [J]. Journal of Radiation Research and Radiation Processing 28(5):294-297(2010)
DOI：

LI Jinjin, ZHU Nankang, CHEN Guoqiang. Study on the γ-irradiation synthesis of PVA/PEO/Chitosan hydrogel film and its performance. [J]. Journal of Radiation Research and Radiation Processing 28(5):294-297(2010) DOI：

摘要

研究了辐照剂量和壳聚糖含量对水凝胶膜性能的影响。以聚乙烯醇(PVA)、聚氧化乙烯(PEO)和壳聚糖(Chitosan)为原料，采用γ射线辐照法制备了一种新型水凝胶膜。结果表明，随着辐照剂量的增大，凝胶分数会增大，溶胀率会降低；辐照剂量达到21 kGy时，凝胶分数可以达到70%，辐照剂量大于21 kGy以后，拉伸强度和断裂伸长率会随着辐照剂量的增大而降低；随着壳聚糖含量的增加，水凝胶膜的凝胶分数、拉伸强度和断裂伸长率都会减小，而溶胀率会有一定的提高。辐照后壳聚糖的一些特殊官能团没有改变，将会保持它的抑菌性能，从而获得了一种新型水凝胶膜。

Abstract

A new hydrogel film was prepared by use of poly (vinyl alcohol) (PVA), poly(ethylene oxide)(PEO) and chitosan under γ-rays irradiation. The influences of absorbed dose and the chitosan content on the properties of hydrogel film were investigated. The results showed that the gel fraction increased with the absorbed dose increasing, but the swelling ratio decreased. The gel fraction could reach 70% when the absorbed dose up to 21 kGy. The gel fraction, tensile strength and elongation of the hydrogel films reduced with the increment of absorbed dose when it was more than 21 kGy. With the increment of chitosan content, the gel fraction and tensile strength as well as elongation of the hydrogel films decreased, but the swelling ratio increased. The special functional groups of chitosan didn’t change after irradiation, and the antimicrobial activity would be retained. A new kind of hydrogel film was obtained.

关键词

水凝胶膜辐照壳聚糖

Keywords

Hydrogel filmsIrradiationChitosan

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