Abstract
The synthesis and photopolymerization of hyperbranched polysulfides containing pendant methacryloyl groups (HBPS-MA) were examined. Polyadditions of l,4-bis[(3-ethy-3-xetanyl)methoxy]benzene (1,4-BEOMB) with thiocyanuric acid (TCA) were carried out to give the soluble hyperbranched polysulfides (HBPS) in satisfactory high yields. Then, we examined refractive index of the resulting HBPS. Furthermore, HBPS-MA was synthesized by the reaction of HBPS with methacrylic anhydride. The photo-initiated radical polymerization of HBPS-MA was performed in the presence of 2-methyl-l-[4-(methylthio)phenyl]-2-morpholinopropan-2-one (Irgacure 907®) as a photoinitiator in the film state upon UV irradiation to afford the insoluble cured film.
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Maruyama, K., Koike, N., Sugimoto, H. et al. Synthesis of Photocrosslinkable Hyperbranched Polysulfide Containing Methacryloyl Groups by the Reaction of Bis(oxetane) with Thiocyanuric Acid Followed by the Reaction with Methacrylic Anhydride. Polym J 41, 855–859 (2009). https://doi.org/10.1295/polymj.PJ2009120
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DOI: https://doi.org/10.1295/polymj.PJ2009120