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A profluorescent azaphenalene nitroxide for nitroxide-mediated polymerization

Colwell, John M., Blinco , James P., Hulbert , Courtney, Fairfull-Smith, Kathryn E., & Bottle , Steven E (2011) A profluorescent azaphenalene nitroxide for nitroxide-mediated polymerization. Australian Journal of Chemistry, 64(4), pp. 426-432.

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Abstract

A novel nitroxide-mediated polymerization (NMP) control agent; 1,1,3,3-tetramethyl-2,3-dihydro-2-azaphenalen-2-yloxyl (TMAO), was used in the free-radical polymerization of styrene. The conversion of styrene during NMP was studied using FT-Raman spectroscopy and the effectiveness of TMAO as a NMP control agent was assessed by GPC analysis. Fidelity of the TMAO-alkoxyamine end-group on the synthesized polymers was confirmed by GPC, UV-Vis and fluorescence spectroscopic analyses. Comparison to the well known NMP control agent, TEMPO was made. TMAO showed control of molecular weight approaching that of TEMPO. Attempts to improve the properties of TMAO as an NMP control agent by synthesizing an analogue with bulkier substituents around the nitroxide did not generate the target molecule but demonstrated some of the interesting chemistry of the azaphenalene ring system

Impact and interest:

3 citations in Scopus
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ID Code: 43684
Item Type: Journal Article
Keywords: nitroxide, polymerization
DOI: 10.1071/CH10404
ISSN: 0004-9425
Divisions: Past > Schools > Chemistry
Past > QUT Faculties & Divisions > Faculty of Science and Technology
Copyright Owner: Copyright 2011 CSIRO Publishing
Deposited On: 27 Jul 2011 12:57
Last Modified: 27 Jul 2011 12:57

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