A novel high efficiency benzophenone based polymeric photoinitiator from ring-opening polymerization of benzoxazine
Tóm tắt
A novel polymeric photoinitiator based on benzoxazine was synthesized by introducing 4-hydroxy benzophenone, diglycolamine and paraformaldehyde into the macromolecular chain. Its molecular structure was characterized by 1H NMR, FTIR, and UV-Vis spectroscopy. Photopolymerization of tripropylene glycol diacrylate and trimethylolpropane triacrylate initiated by polybenzoxazine, benzoxazine, and benzophenone was studied by real time FTIR spectroscopy. The results obtained are discussed.
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