title: A novel photopolymerization initiating system based on an iridium complex photocatalyst.
abstract: The use of a photocatalyst (tris(2-phenylpyridine)iridium [Ir(ppy)(3)]) being able to generate both radicals and cations to initiate free radical polymerization and ring opening polymerization is presented. Remarkably, under soft irradiations (fluorescence bulb, sunlight), excellent cationic polymerization profiles and final conversions are obtained. The involved mechanisms are investigated by ESR experiments.
authors.affiliation: LPIM-Department of Photochemistry, University of Haute Alsace, ENSCMu, 3 rue Alfred Werner, 68093 Mulhouse Cedex, France. j.lalevee@uha.fr
authors.forename: Jacques
authors.initials: J
authors.lastname: Lalevée
authors.forename: Nicolas
authors.initials: N
authors.lastname: Blanchard
authors.forename: Mohamad-Ali
authors.initials: MA
authors.lastname: Tehfe
authors.forename: Mathieu
authors.initials: M
authors.lastname: Peter
authors.forename: Fabrice
authors.initials: F
authors.lastname: Morlet-Savary
authors.forename: Jean Pierre
authors.initials: JP
authors.lastname: Fouassier
mesh_terms: D002384:Catalysis / Q000528:radiation effects; D005609:Free Radicals / Q000737:chemistry; D007495:Iridium / Q000737:chemistry*; D009942:Organometallic Compounds; D010084:Oxidation-Reduction; D055668:Photochemical Processes; D058105:Polymerization
chemical_list: D005609:Free Radicals; D009942:Organometallic Compounds; D007495:Iridium