Synthesis and characterization of chitosan-carbon nanotube composites

被引：130

作者：

Carson, Laura ^{[2
]}

Kelly-Brown, Cordella ^{[2
]}

Stewart, Melisa ^{[2
]}

Oki, Aderemi ^{[1
]}

Regisford, Gloria ^{[3
]}

Luo, Zhiping ^{[4
]}

Bakhmutov, Vladimir I. ^{[5
]}

机构：

[1] Prairie View A&M Univ, Dept Chem, Prairie View, TX 77446 USA

[2] Prairie View A&M Univ, Cooperat Agr Res Ctr, Prairie View, TX 77446 USA

[3] Prairie View A&M Univ, Dept Chem, Prairie View, TX 77446 USA

[4] Texas A&M Univ, Microscopy & Imaging Ctr, College Stn, TX 77842 USA

[5] Texas A&M Univ, NMR Lab, Dept Chem, College Stn, TX 77842 USA

来源：

MATERIALS LETTERS | 2009年 / 63卷 / 6-7期

关键词：

Chitosan; Carbon nanotube; TEM; NMR; TGA; HYDROGELS; CHITIN;

D O I：

10.1016/j.matlet.2008.11.060

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Acid functionalized single walled carbon nanotubes were covalently grafted to chitosan by first reacting the oxidized carbon nanotubes with thionyl chloride to form acyl-chlorinated carbon nanotubes which are subsequently dispersed in chitosan and covalently grated to form composite material, CNT-chitosan, 1, which was washed several times to remove un-reacted materials. This composite has been characterized by FTIR. 13C NMR, TGA, SEM and TEM and has been shown to exhibit enhanced thermal stability. The reaction of 1, with poly lactic acid has also been accomplished to yield CNTchitosan-g-poly(LA), 2 and fully characterized by the above techniques. Results showed covalent attachment of chitosan and chitosan-poly lactic acid to the carbon nanotubes. (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：617 / 620

页数：4

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