Preparation and properties of novel UV-curable adhesives using thiol-ene "click" reaction
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UV-curable adhesives have intesively been used in various industrial fields such as household goods, automobiles, and electronics, and their importance is increasing. Thiol-ene reaction is widely used in the synthesis of various organic compounds in recent years due to the advantages of reaction ease, high yield, and high regioselectivity. In this study, novel UV-curable adhesives were prepared with high yield and purity using the thiol-ene “click” reaction. The adhesives were prepared by UV curing a vinyl-containing difunctional siloxane compound, thiol-containing difunctional ether and tetrafunctional ester compounds in an appropriate composition ratio. In addition, similar adhesives were prepared by using monomers having different functional groups such as an allyl group and acryl group instead of the vinyl monomer. The effects of the type and composition ratio of the monomers on the curing ratio and adhesion properties were examined. Details will be described in the conference.