Volume 49, Issue 19 pp. 4283-4291
Article

Polymer brushes on multiwalled carbon nanotubes by activators regenerated by electron transfer for atom transfer radical polymerization

Tony J Aitchison

Tony J Aitchison

School of Chemistry and Physical Sciences, Nanomaterials Group, Flinders University, G.P.O. Box 2100, S.A. 5001, Australia

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Milena Ginic-Markovic

Corresponding Author

Milena Ginic-Markovic

School of Chemistry and Physical Sciences, Nanomaterials Group, Flinders University, G.P.O. Box 2100, S.A. 5001, Australia

Centre for Microscopy, Characterization and Analysis, The University of Western Australia, Perth, WA, AustraliaSearch for more papers by this author
Martin Saunders

Martin Saunders

Centre for Microscopy, Characterization and Analysis, The University of Western Australia, Perth, WA, Australia

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Peter Fredericks

Peter Fredericks

School of Physical and Chemical Sciences, Queensland University of Technology, G.P.O. Box 2434, Brisbane QLD 4001, Australia

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Suresh Valiyaveettil

Suresh Valiyaveettil

Materials Research Laboratory, Department of Chemistry, National University of Singapore, Singapore

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Janis G. Matisons

Janis G. Matisons

School of Chemistry and Physical Sciences, Nanomaterials Group, Flinders University, G.P.O. Box 2100, S.A. 5001, Australia

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George P. Simon

George P. Simon

Department of Materials Engineering, Monash University, Clayton VIC 3800, Australia

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First published: 28 July 2011
Citations: 12

Abstract

The synthesis and characterization of multiwalled carbon nanotube (MWCNT) polymer brushes produced by activators regenerated by electron transfer (ARGET) in atom-transfer radical polymerization (ATRP) was discussed. The polymer brushes were synthesized by esterification of the MWCNT carboxylic acid groups with hydroxyethyl-2-bromoisobutyrate and subsequently used in ARGET ATRP. This created a well defined living polymer brush carbon nanotube of comparatively low polydispersity and a polymer layer 10 nm thick. As, ARGET ATRP uses only minute concentrations of copper (II) catalyst, and is less sensitive to air compared to other living polymerization techniques, this process is a more industry-compatible route for the commercialization of such materials. The structural and chemical properties were explored by a range of techniques including high resolution transmission electron microscopy, gel permeation chromatography, elemental analysis, Fourier transform infrared spectroscopy, thermogravimetric analysis, and differential scanning calorimetry. In addition, the polymer brush nanotubes were explored for their potential use in films and as fillers. © 2011 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem, 2011

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