Benzoylformamides as New Photocaged Bases for Free Radical Photopolymerization

Benzoylformamide (BFA) derivatives are proposed as new photocaged bases. Initially their abilities as photoinitiators to initiate the free radical photopolymerization of acrylic monomers have been investigated. Next, we detail regarding the model photopolymerization in the presence of BFA-dBA (N,N-Dibenzyl-2-oxo-2-phenylacetamide) as a photocaged base. In combination with a benzoyl peroxide initiator, BFA-dBA is able to initiate the amine-mediated redox photopolymerization of acrylates, and photopolymerization rate is markedly enhanced.