Abstract
A new high sensitive photo-radical initiator, N-[2-(2-acryloyloxyethoxy)ethyl]biphenyldicarboximide (BDI-5) was developed. BDI-5 was prepared from diphenic anhydride and aminoalcohol, followed by the reaction with acryloyl anhydride. BDI-5 is soluble in organic solvents, has no absorbance above 380 nm and high thermal stability over 300 °C. BDI-5 acts as a hydrogen transfer type photo-initiator in the presence of triethanolamine (TEA) as a proton donor, and has good compatibility with a matrix such as pentaerythritol triacrylate (PETA). The photosensitivity of BDI-5 with TEA for the polymerization of PETA was comparable to the excellent photo-radical initiators, 2-methyl-4′-(methylthio)-2-morpholinopropiophenone (Irg907).
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Sakayori, K., Shibasaki, Y. & Ueda, M. Synthesis and Properties of a Novel High Sensitive Photo-Radical Initiator Based on Biphenyl-2,2′-Dicarboximide Derivatives. Polym J 38, 1074–1080 (2006). https://doi.org/10.1295/polymj.PJ2006024
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DOI: https://doi.org/10.1295/polymj.PJ2006024