The Structure and Properties of a Novel Nanocomposite Films from Chitosan and Layered Zirconium Phosphonate

被引：8

作者：

Liu, Changhua ^{[1
]}

Wu, Haixia ^{[1
]}

Yang, Yajuan ^{[1
]}

Zhu, Lina ^{[1
]}

Teng, Yingli ^{[1
]}

机构：

[1] Southeast Univ, Coll Chem & Chem Engn, Chongqing 400715, Peoples R China

来源：

JOURNAL OF APPLIED POLYMER SCIENCE | 2011年 / 120卷 / 02期

关键词：

chitosan; zirconium glycine-N; N-dimethylphosphonate; nanocomposite films; structure; properties; MECHANICAL-PROPERTIES; ASPECT-RATIO; PHOSPHATE; INTERCALATION; BEHAVIOR;

D O I：

10.1002/app.33253

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

A new type of layered zirconium phosphonate (zirconium glycine-N, N-dimethylphosphonate, abbreviated as ZGDMP), with functional group of -COOH, has been successfully prepared and characterized by Fourier transform infrared (FTIR) spectroscopy, X-ray diffraction (XRD), scanning electron microscopy (SEM) and transmission electron microscopy (TEM). To confirm the effect of the functional group -COOH on the structure and properties of composites, a series of chitosan/zirconium phosphonate modified by n-butylamine (BA-ZGDMP) nanocomposite films were prepared by casting process. FTIR spectra suggested that strong interactions existed between BA-ZGDMP and chitosan matrix. Compared to neat CS film, tensile strength (sigma(b)) and elongation at break (epsilon(b)) of the nanocomposite film improved by 35.1% and 15.6%, respectively, with loading ratio of just 1.0 wt %. In addition, the BA-ZGDMP also improved the water resistance of the nanocomposites. (C) 2010 Wiley Periodicals, Inc. J Appl Polym Sci 120: 1106-1113, 2011

引用

页码：1106 / 1113

页数：8

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