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Facile Covalent Attachment of Well-Defined Poly(t-butyl acrylate) on Carbon Nanotubes via Radical Addition Reaction

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Abstract:

We developed a new method to covalently attach well-defined polymers onto carbon nanotubes (CNTs) using a radical reaction. Well-defined poly(t-butyl acrylate) [p(tBA)] was first prepared by atom transfer radical polymerization, which formed radicals at the end of the polymer chain through an atom transfer. The generated radicals at the chain ends added CNTs to generate covalently functionalized p(tBA)-grafted CNTs. The polymer-attached CNTs showed much improved solubility in organic solvents. The synthesized MWNT-g-p(tBA) and SWNT-g-p(tBA) were characterized by IR, TGA and Raman spectroscopy, clearly indicating the formation of covalent bonding between p(tBA) and CNTs.

Keywords: ATOM TRANSFER RADICAL POLYMERIZATION; CARBON NANOTUBES; COVALENT FUNCTIONALIZATION; GRAFT-ONTO REACTION; POLY(T-BUTYL ACRYLATE); RADICAL ADDITION REACTION

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/jnn.2008.IC15

Publication date: September 1, 2008

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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