Cleavable coumarin-based oxime esters with terminal heterocyclic moieties: photobleachable initiators for deep photocuring under visible LED light irradiation
Wanwan Qiu, Mengqi Li, Yinan Yang, Zhiquan Li, Kurt Dietliker
Abstract
Oxime ester photoinitiators with terminal heterocyclic moieties can efficiently initiate acrylate and thiol–ene photopolymerization under 450 nm LED light irradiation to prepare materials of thickness up to 10 mm.
Topics & Concepts
PhotopolymerAcrylateOximeChemistryIrradiationPhotochemistryPolymer chemistryPhotoinitiatorCoumarinVisible spectrumEthyl acrylatePolymerCopolymerOrganic chemistryMaterials sciencePolymerizationMonomerPhysicsOptoelectronicsNuclear physicsPhotopolymerization techniques and applicationsAdvanced Polymer Synthesis and CharacterizationPhotochromic and Fluorescence Chemistry