Quinoxaline derivatives as photoinitiators in UV-cured coatings

Photopolymerization of multifunctional acrylates with a series of quinoxaline derivatives as photoinitiator with N-methyldiethanol amine (MDEA) has been investigated by real-time Fourier transform infrared spectroscopy (RT-FTIR). The formulations were also coated onto tracing paper and cured by using Mini-UV-Cure unit. Curing was assessed until no visible deformation was observed. MEK resistance of films was also determined.