Use of micro-ATR/FTIR imaging to study heterogeneous polymer oxidation by direct solvent casting onto the ATR IRE

Nagle, Dylan J., George, Graeme, Rintoul, Llewellyn, & Fredericks, Peter M. (2010) Use of micro-ATR/FTIR imaging to study heterogeneous polymer oxidation by direct solvent casting onto the ATR IRE. Vibrational Spectroscopy, 53(1), pp. 24-27.

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A technique is described whereby micro-ATR/FTIR imaging can be used to follow polymer degradation reactions in situ in real time. The internal reflection element (IRE) assembly is removed from the ATR objective and polymer is solvent cast directly onto the IRE surface. The polymer is then subjected to degradation conditions and molecular structural changes monitored by periodically replacing the IRE assembly back in the ATR objective and collecting spectra which can be used to construct images. This approach has the benefit that the same part of the sample is always studied, and that contact by pressure which might damage the polymer surface is not required. The technique is demonstrated using the polymer Topas which was degraded by exposure to UVC light in air.

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14 citations in Scopus
13 citations in Web of Science®
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ID Code: 32030
Item Type: Journal Article
Refereed: Yes
Additional URLs:
Keywords: Imaging FTIR, ATR, Polymer degradation
DOI: 10.1016/j.vibspec.2010.01.018
ISSN: 0924-2031
Subjects: Australian and New Zealand Standard Research Classification > CHEMICAL SCIENCE (030000) > ANALYTICAL CHEMISTRY (030100) > Analytical Spectrometry (030101)
Divisions: Past > QUT Faculties & Divisions > Faculty of Science and Technology
Copyright Owner: Copyright 2010 Elsevier BV
Deposited On: 29 Apr 2010 00:33
Last Modified: 22 Jun 2017 14:42

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