摘要:Advantage of Sol-Gel Process,Can be a mixture at molecular level.It is possible to graft organic group into the inorganic backbone at low processing temperature and to produce organic-inorganichybrid materials designated asormosils(organically modified silicates),depending on the final application.Increasing Pencil Hardness over 2H,Decreasing Resin usage 20%&Costing down,Decreasing shrinkage,Increase toughness,Anti-yellowing.Hyperbranched Urethane Acrylate,Organic/Inorganic nanoparticle,High Hardness and Anti-scratch,Low water absorption Anti-solvent,Low shrinkage,Costing down.