Preparation of Surface-Modified Nano Zinc Sulfide/Polyurethane Inorganic-Organic Transparent Coating and Its Application in Resin Lens

The surface modified hydrophilic zinc sulfide nano powder was prepared by hydrothermal method, and the corresponding sulfide/polyurethane organic-inorganic composite transparent coating via in-situ polymerization. structure of ZnS Nanoparticles were characterized Infrared Spectroscopy, X-Ray Diffraction, Laser Particle Size Analyzer Scanning Electron Microscopy. optical properties measured Ultraviolet-Visible spectrophotometer ellipsometry. results show that monodisperse with a particle size about 70 nm can be obtained thioglycolic acid (TGA) modification, which has good compatibility waterborne polyurethane. Nano increased refractive index significantly coatings could controlled in region 1.46–1.71 adding ZnS. When amount added 30%, hybrid reach 1.71, transmittance more than 90%. cured smooth no agglomeration between particles found. After application on surfaces resin lens, presented better impact resistance, indicated prospects field fine processing lens’ surfaces.