Synthesis, characterization and stability of chitosan and poly(methyl methacrylate) grafted carbon nanotubes

被引：10

作者：

Carson, Laura ^{[2
]}

Hibbert, Kemar ^{[2
]}

Akindoju, Feyisayo ^{[2
,3
]}

Johnson, Chevaun ^{[2
]}

Stewart, Melisa ^{[2
]}

Kelly-Brown, Cordella ^{[2
]}

Beharie, Gavannie ^{[2
]}

Fisher, Tavis ^{[2
]}

Stone, Julia ^{[2
]}

Stoddart, Dahlia ^{[2
]}

Oki, Aderemi ^{[1
]}

Neelgund, Gururaj M.

Regisford, Gloria ^{[3
]}

Traisawatwong, Pasakorn ^{[2
]}

Zhou, Jianren ^{[4
]}

Luo, Zhiping ^{[5
,6
]}

机构：

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

[4] Prairie View A&M Univ, Dept Mech Engn, Prairie View, TX 77446 USA

[5] Texas A&M Univ, Microscopy & Imaging Ctr, College Stn, TX 77843 USA

[6] Texas A&M Univ, Mat Sci & Engn Program, College Stn, TX 77843 USA

来源：

SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 2012年 / 96卷

关键词：

Carbon nanotubes; Chitosan; Poly(methyl methacrylate); Atomic force microscopy; THERMAL-DEGRADATION; MODIFIED ELECTRODE; GENE DELIVERY; NANOPARTICLES; COMPOSITE; FILMS; NANOCOMPOSITE; BIOPOLYMER; SYSTEM;

D O I：

10.1016/j.saa.2012.05.042

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

The single walled carbon nanotubes (CNTs) were effectively functionalized through grafting with chitosan (CTS) and poly(methyl methacrylate) (PMMA). Prior to grafting reaction, the carboxylated SWNCTs (SWNCTs-COOH) were obtained by treating pristine CNTs with a mixture of 3:1 (v/v) H2SO4 and HNO3, and the successive treatment of SWNCTs-COOH with SOCl2 yielded the acylated CNTs (CNTs-COCl). The functionalized derivatives of CNTs were characterized using Fourier transform infrared spectroscopy, thermogravimetric analysis, atomic force microscopy, scanning electron microscopy and transmission electron microscopy. Both CTS and PMMA grafted CNTs showed better dispersability in acetic acid and tetrahydrofuran, in addition to higher stability in solution. Published by Elsevier B.V.

引用

页码：380 / 386

页数：7

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