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Curing behavior of Photo-Curable Materials by Photo-Shrinkage Test  

Park, Ji-Won (Lab. of Adhesion & Bio-Composites, Program in Environmental Materials, Research Team for Biomass-based Bio-Materials, Seoul National University)
Bae, Kyung-Yul (Lab. of Adhesion & Bio-Composites, Program in Environmental Materials, Research Team for Biomass-based Bio-Materials, Seoul National University)
Kim, Pan-Seok (Lab. of Adhesion & Bio-Composites, Program in Environmental Materials, Research Team for Biomass-based Bio-Materials, Seoul National University)
Lim, Dong-Hyuk (Lab. of Adhesion & Bio-Composites, Program in Environmental Materials, Research Team for Biomass-based Bio-Materials, Seoul National University)
Kim, Hyun-Joong (Lab. of Adhesion & Bio-Composites, Program in Environmental Materials, Research Team for Biomass-based Bio-Materials, Seoul National University)
Cho, Jin-Ku (Green Chemistry & Manufacturing System Division, Green Process R&D Department, Korea Institute of Industrial Technology)
Kim, Baek-Jin (Green Chemistry & Manufacturing System Division, Green Process R&D Department, Korea Institute of Industrial Technology)
Lee, Sang-Hyeup (Department of Life Chemistry, Catholic University of Daegu)
Publication Information
Journal of Adhesion and Interface / v.11, no.2, 2010 , pp. 57-62 More about this Journal
Abstract
Photo-curable material can be crosslinked among molecules by light source such as UV and visible light materials. Material properties are controlled by crosslink reaction. Shrinkage is occured during the curing reaction of material structure. Phenomenon of shrinkage stress occurs inside the product and reduce the stability of the product causes problems. Heat shrink the evaluation of the phenomenon has been formalized. But the evaluation of photo shrink is not enough. In this experiment, real-time contract with shrinkage tester phenomena and analysis degree of shrinkage of the material differences. According to the research, experimental results and theoretical analysis of the results were big differences. Shrinkage, especially for a number of different functional groups that were very different theory. These differences are occurred by the molecular structure different and not enough reaction.
Keywords
photo-curable; shrinkage; PSA; curing behavior; crosslinking; functional group;
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