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Synthesis and Properties of Photocurable Epoxy Modified Acrylates Using Half-Ester Acrylates  

김동국 (한양대학교 신소재화학과)
임진규 (한양대학교 신소재화학과)
김우근 (한양대학교 신소재화학과)
허정림 (건국대학교 신소재공학과)
Publication Information
Polymer(Korea) / v.28, no.6, 2004 , pp. 531-537 More about this Journal
Abstract
Various half-ester acrylates were prepared from anhydrides and 2-hydroxyethyl acrylate. Photocurable epoxy modified acrylates were prepared from synthesized half-ester acrylate and neopentylglycol diglycidylether. Physical properties such as hardness, yellowing, tensile strength and elongation were tested and compared as the structure of oligomer in cured-film differs. It was found that viscosity of neopentylglycol diglycidylether-hexahydrophthalic anhydride (NP-HA) was highest. Hardness and tensile strength of photocrosslinked neopentylglycol diglycidylether-hexahydrophthalic anhydride were better than those of other photocrosslinted epoxy acrylates. And 5% weight loss temperature of photocrosslinked neopentylglycol diglycidylether-hexahydrophthalic anhydride was higher than those of other photocrosslinked epoxy acrylates. Value of yellow index of photocrosslinked neopentylglycol diglycidyl ether-succinic anhydride (NP-SA) was lower than the other products.
Keywords
epoxy acrylate; photocurable; 2-hydroxyethyl acrylate; half-ester acrylate;
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