One-component cationic photoinitiators based on coumarin scaffold iodonium salts as highly sensitive photoacid generators for 3D printing IPN photopolymers under visible LED sources
Monika Topa-Skwarczyńska, Emilia Hola, Mariusz Galek, Filip Petko, Maciej Pilch, Roman Popielarz, Fabrice Morlet‐Savary, Bernadette Graff, Jacques Lalevée, Joanna Ortyl
Abstract
This paper describes the development of new coumarin chromophore-based iodonium salts as efficient one-component cationic photoinitiators upon LEDs irradiation with maximum emission under the UV-A region at 365 nm and under visible light at 405 nm.
Topics & Concepts
Cationic polymerizationPhotopolymerChromophoreCoumarinPhotochemistryChemistryVisible spectrumIrradiationPhotoinitiatorFluorescencePolymer chemistryMaterials scienceOrganic chemistryPolymerOptoelectronicsPolymerizationOpticsPhysicsMonomerNuclear physicsPhotopolymerization techniques and applicationsAdvanced Polymer Synthesis and CharacterizationPhotochromic and Fluorescence Chemistry