Journal
POLYMER
Volume 52, Issue 25, Pages 5739-5745Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.polymer.2011.10.031
Keywords
Atom transfer radical polymerization (ATRP); Functionalized polymers; Multi-wall carbon nanotubes
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Funding
- Ministerio de Ciencia e Innovacion (MICINN) [CTQ 2008-03229, MAT 2010-18749]
- FPI
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A simple and single-step grafting to approach based on the Diels-Alder (DA) reaction is described to functionalize multi-wall carbon nanotubes (MWCNTs) with polystyrene (PSt). Thus, several fluorescent and furfuryl functionalized PSts, synthesized by the atom transfer radical polymerization (ATRP) of styrene, furfuryl methacrylate and low proportion of a fluorescent monomer, were covalently attached onto the pristine nanotubes. Furfuryl (diene) groups allowed the chemical attachment of the PSt polymer onto the as-synthesized MWCNTs by a DA reaction. On the other hand, the incorporation of fluorescent groups in the polymer has two main advantages. It permits to determine the attachment of the polymer onto the nanotubes and, in further applications, it will allow to follow the dispersion of these modified MWCNTs in a matrix. The efficiency of the functionalization was verified by FTIR, Raman spectroscopy, TEM, AFM and fluorescence techniques. (C) 2011 Elsevier Ltd. All rights reserved.
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