1. Synthesis, characterization and stability of chitosan and poly(methyl methacrylate) grafted carbon nanotubes.
- Author
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Carson L, Hibbert K, Akindoju F, Johnson C, Stewart M, Kelly-Brown C, Beharie G, Fisher T, Stone J, Stoddart D, Oki A, Neelgund GM, Regisford G, Traisawatwong P, Zhou J, and Luo Z
- Subjects
- Acetic Acid chemistry, Furans chemistry, Microscopy, Atomic Force, Nanotubes, Carbon ultrastructure, Spectroscopy, Fourier Transform Infrared, Thermogravimetry, Chitosan chemical synthesis, Chitosan chemistry, Nanotubes, Carbon chemistry, Polymethyl Methacrylate chemical synthesis, Polymethyl Methacrylate chemistry
- Abstract
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) H(2)SO(4) and HNO(3), and the successive treatment of SWNCTs-COOH with SOCl(2) 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.)
- Published
- 2012
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