材料研究学报  2013, Vol. 27 Issue (2): 173-177

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乙二醛交联对明胶/PVA可生物降解复合膜性能的影响*

高喜平1, 2 刘翠云1, 2 汤克勇1 张玉清2

1. 郑州大学材料科学与工程学院 郑州 450052 2. 河南科技大学化工与制药学院 洛阳 471003

Influence of Glyoxal Cross Linking on Properties of Gelatin/PVA Biodegradable Composite Films

GAO Xiping1,2 LIU Cuiyun1,2 TANG Keyong1** ZHANG Yuqing2

1. College of Materials and Engineering, Zhengzhou University, Zhengzhou 450052; 2. School of Chemical Engineering and Pharmaceutics, Henan University of Science and Technology, Luoyang 471003

高喜平 刘翠云 汤克勇, 张玉清. 乙二醛交联对明胶/PVA可生物降解复合膜性能的影响*[J]. 材料研究学报, 2013, 27(2): 173-177.
. Influence of Glyoxal Cross Linking on Properties of Gelatin/PVA Biodegradable Composite Films[J]. Chinese Journal of Materials Research, 2013, 27(2): 173-177.

摘要 参考文献 相关文章 Metrics 全文: PDF(762 KB)   摘要: 摘要 采用流延成型法制备明胶/聚乙烯醇(Gel/PVA)复合膜, 并以乙二醛为交联剂通过溶液交联法制备乙二醛交联的Gel/PVA复合膜, 采用红外光谱(FTIR)、X-射线衍射(XRD)、差示扫描量热(DSC)、热重(TG)等表征交联前后复合膜的结构与性能, 研究了交联剂用量对Gel /PVA复合膜力学性能及溶解性能的影响。结果表明, 随着乙二醛用量的增加, Gel/PVA复合膜的拉伸强度呈先增加后逐渐降低的趋势, 而断裂伸长率和溶解率则逐渐降低; 乙二醛交联可提高复合膜的熔融温度及热稳定性; 乙二醛交联显著影响Gel/PVA复合膜中分子间的氢键和化学结构。 关键词 ： 有机高分子材料,  明胶,  聚乙烯醇,  乙二醛,  交联,  机械性能,  溶解率     Abstract：In this paper, the gelatin/PVA biodegradable composite films were prepared with gelatin(Gel) and poly(vinyl alcohol)(PVA) by a solvent casting method, which were modified by cross-linking with glyoxal. The chemical structure of the Gel/PVA composite films before and after glyoxal cross linking was characterized by Fourier Transform Infrared Spectroscopy(FTIR), X-ray diffraction(XRD), differential scanning calorimetr (DSC), and thermogravimetry analysis(TG). The effects of crosslinking agent concentration on mechanical properties and solubility the Gel/PVA composite films were investigated. The results show that with increasing the amount of glyxoal, the tensile strength of the Gel/PVA composite films increased and then decreased, while the elongation at break and solubility of the composite films decreased gradually. The melting temperature and thermal stability of the Gel/PVA composite films were improved by glyoxal crosslinking. The glyxoal crosslinking has an obvious effect on the hydrogen bonding between molecules and chemical structure of Gel/PVA composite films. Key words： organic polymer materials    gelatin    poly(vinyl alcohol)    glyoxal    cross linking    mechanical property    solubility      ZTFLH:  TB324   服务 把本文推荐给朋友 加入引用管理器 E-mail Alert RSS 作者相关文章 44.8K 链接本文: https://www.cjmr.org/CN/      或      https://www.cjmr.org/CN/Y2013/V27/I2/173 1 ZHANG Na, QIAO Hui, ZHANG Baoyan, SUN Huimin, TANG Long, Study on composition and thermal properties of the recycled plastics, Chinese Journal of Materials Research, 25(6), 651(2011) (张 娜, 乔 徽, 张宝砚, 孙会敏, 汤 龙, 再生塑料的组成与热性能研究, 材料研究学报, 25(6), 651(2011)) 2 S.Rattaya, S. Benjakul, T. Prodpran, Properties of fish skin gelatin film incorporated with seaweed extract, Journal of Food Engineering, 95, 151(2009) 3 R. Bhat, A. A. Karim, Ultraviolet irradiation improves gel strength of fish gelatin, Food Chemistry, 113, 1160(2009) 4 M. K. Jiang, S. Y. Liu, X. Du, Y. F. 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