Publication: Magnetic iron oxide nanoparticles as long wavelength photoinitiators for free radical polymerization
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Dadashi-Silab, Sajjad
Yagci, Yusuf
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NO
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Abstract
Iron oxide nanoparticles (Fe3O4 NPs) capped with lauric acid agents were synthesized and their photocatalytic activity was investigated in free radical photopolymerization of vinyl monomers. These NPs were able to release charge carriers (electron-hole pairs) upon photoexcitation through which the capping agents or an additional amine co-initiator acting as the hole acceptor underwent oxidation to eventually form the initiating radicals. In lauric acid coated Fe3O4 NPs, electron transfer followed by a decarboxylation process accounts for the initiation.
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Publisher
Royal Society of Chemistry (RSC)
Subject
Polymer science
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Has Part
Source
Polymer Chemistry
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DOI
10.1039/C4PY01658K