Visible-Light Photoinitiation of (Meth)acrylate Polymerization with Autonomous Post-conversion.

ABSTRACT: Conversion plateaus rapidly in radical photopolymerizations (RPPs) following discontinuation of irradiation due to rapid termination of reactive radicals, which restricts the wider use of RPPs in applications that involve nonuniform light access including those with attenuated light transmission or irregular surfaces. Based on our recent report of a radical dark-curing photoinitiator (DCPI) that continues polymerization beyond the cessation of irradiation by enabling latent redox initiation with photo-released amine in the presence of a suitable oxidant, we developed a new DCPI with an absorption spectrum that extends well into the visible range. Our design process involved a series of computational investigations of candidate molecules, including a systematic study of substituents and the

SUBMITTER: Kim K 

PROVIDER: S-EPMC9351574 | biostudies-literature | 2021 Sep

REPOSITORIES: biostudies-literature