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Observation of the silicon acrylate effect on the photo-polymerization reaction using micro raman spectroscopic technique  

Oh, HyangRim (School of Science Education, Chosun University)
Hong, Jin-Who (Department of Polymer Science, Chosun University)
Yu, Jeong-A (School of Science Education, Chosun University)
Publication Information
Analytical Science and Technology / v.17, no.3, 2004 , pp. 225-229 More about this Journal
Abstract
The effect of the silicon acrylate as a reactive additive on the UV-curing photopolymerization reaction was studied by micro raman technique. For the study, acrylate systems and Darocur 1173 were used as oligomer and monomers, and a photo initiator, respectively. The content of silicon acrylate was within the range of 0-3 wt%. The extent of photo-polymerization reaction as a function of depth from the air interface was obtained from the conversion ratio of acrylate double bond calculated from the intensities of measured bands at $1410cm^{-1}$ and at $1635cm^{-1}$. Micro raman spectroscopic technique can be an useful tool for the investigation of the factors, which can affect the reaction progress, such as oxygen inhibition, composition of the formulations, depth, etc.
Keywords
micro raman; UV; photo-polymerization; acrylate; oxygen inhibition;
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