期刊
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
卷 5, 期 7, 页码 1050-1054出版社
AMER SCIENTIFIC PUBLISHERS
DOI: 10.1166/jnn.2005.156
关键词
carbon nanotubes; functionalization; nanocomposites; poly(ethylene-co-vinyl alcohol); solubility
Single-walled carbon nanotubes (SWNTs) were functionalized by poly(ethylene-co-vinyl alcohol) (EVOH) copolymer under carbodiimide-activated esterification reaction conditions, Similar to the parent EVOH copolymer, the EVOH-functionalized carbon nanotubes are soluble in highly polar solvent systems such as DMSO and hot ethanol-water mixtures. The soluble EVOH-SWNT sample was characterized by various techniques, including optical absorption, Raman, NMR, electron microscopy, and thermogravimetric analysis. The common solubility of EVOH and EVOH-SWNT allowed their intimate mixing in solution, and thus the fabrication of nanocomposites in which the SWNTs are homogeneously dispersed in the polymer matrix.
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