HALLOGEN SUBSTITUTENT-FREE PHOTOPOLYMERIZABLE COMPOSITION HAVING HIGH REFRECTIVE INDEX

摘要

PURPOSE: A hallogen substitutent-free photopolymerizable composition having high refractive index is provided to ensure high refractivity and excellent hardness and transmissivity. CONSTITUTION: A hallogen substitutent-free photopolymerizable composition having high refractive index comprises: (a) the structure including a sulfur-containing monomer or bifunctional acrylate monomer(chemical formula I); (b) the structure including a bifunctional acrylate monomer(chemical formula II) containing fluorine; (c) the structure of a photopolymerizable acrylate monomer(chemical formula III); (d) the structure of a photopolymerizable monofunctional group acrylate monomer(chemical formula IV); and (e) a photoinitiation hardener which includes a mono-photoinitiator or combination thereof and has absorption wavelength of 250-450 nm.