氧化石墨烯对壳聚糖/氧化石墨烯复合膜性能的影响研究

刘莹; 赵杰; 王鸣; 刘颖; 王朋丽

doi:10.13386/j.issn1002-0306.2016.14.010

氧化石墨烯对壳聚糖/氧化石墨烯复合膜性能的影响研究

刘莹¹,
赵杰²,
王鸣²,
刘颖²,
王朋丽²

1. 辽宁工程技术大学理学院
2. 辽宁工程技术大学材料学院

详细信息

作者简介:
刘莹(1970-),男,硕士,教授,研究方向:生物多糖及高分子材料研究,E-mail:liuyingfx02@126.com。;

中图分类号: TB484
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出版历程
- 收稿日期: 2015-10-18

Impact of graphene oxide on packaging performance of graphene oxide / chitosan composite film

College of Science,Liaoning Technical University
College of Material,Liaoning Technical University

摘要

摘要: 采用改性Hummer’s方法制备了氧化石墨烯,将氧化石墨烯（GO）以不同的掺杂比与壳聚糖（CS）醋酸溶液进行混合后,用溶液共混法制备出壳聚糖/氧化石墨烯（CS/GO）复合膜,通过FT-IR、XRD技术对复合膜结构进行了初始表征,并测试了其力学性能、水蒸气透过率、阻氧性、水溶性及透明度。实验结果表明:氧化石墨烯的含氧基团与壳聚糖分子之间有较强的氢键作用;氧化石墨烯的加入,能够提高膜的拉伸强度和水溶性,降低其水蒸气透过率、透明度及阻氧性,但对其断裂延伸率影响不大;与壳聚糖膜相比,CS膜液与GO溶液体积比为4∶6的复合膜综合性能最好,其拉伸强度和水溶性分别提高了38.8%、17.9%,水蒸气透过率、阻氧性及透明度分别降低了16.9%、42.5%、14.8%。
- 壳聚糖薄膜 /
- 氧化石墨烯 /
- 性能
Abstract: The modified Hummer's method was used to produce the graphite oxide. After compositing the graphite oxide / chitosan( CS / GO) with different doping ratio,the CS / GO composite film was made by solution blending method.The composite film was initially represented by FTIR and XRD technology.Its mechanical properties such as water vapor transmittance,the oxygen resistance,the water- soluble and transparency were tested. The experience illustrates that there was strong hydrogen bonding interactions between chitosan molecules and oxygen- containing groups of graphite oxide. Inducing graphite oxide into the films could increase their tensile strength and water soluble,and reduce their water vapor transmittance,transparency and oxygen resistance,but couldnot effect on the breaking elongation much. Compared with pure chitosan film,the best integrated performance of composite film with volume ratio between CS membrane liquid and GO solution of 4 ∶ 6 could increase the tensile strength and water solubility by 38.8% and 17.9% respectively.In the meantime,the water vapor transmittance,oxygen resistance and transparency could be reduced by 16.9%,42.5% and 14.8% respectively.
- chitosan film /
- graphene oxide /
- performance

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参考文献(23)

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