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Study on the Curing Properties of Photo-curable Acrylate Resins  

Kim, Sung-Hyun (Materials Research Center for Information Display, Kyung Hee University)
Chang, Hyun-Suk (Materials Research Center for Information Display, Kyung Hee University)
Park, Sun-Hee (Materials Research Center for Information Display, Kyung Hee University)
Song, Ki-Gook (Materials Research Center for Information Display, Kyung Hee University)
Publication Information
Polymer(Korea) / v.34, no.5, 2010 , pp. 469-473 More about this Journal
Abstract
The curing mechanism and characteristics of UV curable acrylate resins were studied using Photo-DSC, FTIR, and Raman spectroscopy. Effects of chemical structures of acrylate, numbers of functional group, and UV intensity on curing kinetics were investigated with Photo-DSC. FTIR and Raman spectroscopy has been used to understand curing mechanisms and reaction conversion. In order to investigate the effect of oxygen on the photo-curing reaction, the curing process was compared between the acrylate and thiol-ene resins. The reaction conversion was found to be less than 80% for acrylate resins. The photo-curing reaction of the acrylate resin could not proceed to the end because of oxygen which acts as a reaction inhibitor while the thiol-ene resin was hardly affected from oxygen during the curing process.
Keywords
acrylate resin; UV cure; photo-DSC; FTIR; Raman;
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