NIR-sensitized hybrid radical and cationic photopolymerization of several cyanines in combination with diaryliodonium bis(trifluoromethyl)sulfonyl imide
Qunying Wang, Sergey A. Popov, Veronika Strehmel, Jochen S. Gutmann, Bernd Strehmel
Abstract
A series of cyanines exhibiting absorption between 750 and 930 nm reacted after NIR excitation with the bis( t -butylphenyl) iodonium cation comprising the [(CF3SO2)2N]− anion (NTf 2 ) − , resulting in the generation of free radicals and conjugate acids.
Topics & Concepts
Cationic polymerizationTrifluoromethylChemistryImideSulfonylRadicalPhotochemistryPhotopolymerPolymer chemistryOrganic chemistryPolymerMonomerAlkylPhotopolymerization techniques and applicationsPhotochromic and Fluorescence ChemistryOxidative Organic Chemistry Reactions