PHOTOCURABLE COATING COMPOSITION CONTAINING A UV ABSORBER FOR THE PROTECTION AGAINST AGING OF VINYL(POLY)CHLORIDE, AND VINYL (POLY)CHLORIDE THUS PROTECTED

摘要

A photocurable coating composition containing a UV absorber to protect against aging of PVC. This composition comprises a photoinitiator of free-radical type, a multifunctional acrylic polyester prepolymer or a mixture of an acrylic multifunctional polyester prepolymer and a prepolymer multifunctional acrylic polyurethane; optionally, a diacrylate monomer as the reaction diluent; a light stabilizer or UV absorber as a UV filter. Application: organic lenses.