Photoinitiation study of Irgacure 784 in an epoxy resin photopolymer

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dc.contributor.author Sabol, Dušan
dc.contributor.author Gleeson, M. R.
dc.contributor.author Liu, Shui
dc.contributor.author Sheridan, John T.
dc.date.accessioned 2011-11-23T16:42:32Z
dc.date.available 2011-11-23T16:42:32Z
dc.date.copyright 2010 American Institute of Physics. en
dc.date.issued 2010-03-10
dc.identifier.citation Journal of Applied Physics en
dc.identifier.issn 0021-8979 (print)
dc.identifier.issn 1089-7550 (online)
dc.identifier.uri http://hdl.handle.net/10197/3332
dc.description.abstract A deeper understanding of the processes, which occur during free radical photopolymerization, is necessary in order to develop a fully comprehensive model, which represents their behavior during exposure. One of these processes is photoinitiation, whereby a photon is absorbed by a photosensitizer producing free radicals, which can initiate polymerization. These free radicals can also participate in polymer chain termination (primary termination), and it is therefore necessary to understand their generation in order to predict the temporally varying kinetic effects present during holographic grating formation. In this paper, a study of the photoinitiation mechanisms of Irgacure 784 photosensitizer, in an epoxy resin matrix, is presented. We report our experimental results and present a theoretical model to predict the physically observed behavior. en
dc.description.sponsorship Science Foundation Ireland en
dc.description.sponsorship Irish Research Council for Science, Engineering and Technology en
dc.format.extent 274432 bytes
dc.format.mimetype application/pdf
dc.language.iso en en
dc.publisher American Institute of Physics (AIP) en
dc.rights The following article appeared in JOURNAL OF APPLIED PHYSICS 107, 053113 and may be found at http://link.aip.org/link/doi/10.1063/1.3276173. It article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. en
dc.subject.lcsh Free radical reactions en
dc.subject.lcsh Photopolymerization en
dc.subject.lcsh Diffraction gratings en
dc.subject.lcsh Polymers en
dc.title Photoinitiation study of Irgacure 784 in an epoxy resin photopolymer en
dc.type Journal Article en
dc.internal.availability Full text available en
dc.internal.webversions Publisher's version en
dc.internal.webversions http://link.aip.org/link/doi/10.1063/1.3276173 en
dc.status Peer reviewed en
dc.identifier.volume 107 en
dc.identifier.issue 5 en
dc.identifier.startpage 053113-1 en
dc.identifier.endpage 053113-8 en
dc.identifier.doi 10.1063/1.3276173
dc.neeo.contributor Sabol|Dušan|aut| en
dc.neeo.contributor Gleeson|M. R.|aut| en
dc.neeo.contributor Liu|Shui|aut| en
dc.neeo.contributor Sheridan|John T.|aut| en
dc.description.othersponsorship Enterprise Ireland en


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