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High refractive index hybrid coatings were prepared by directly incorporating anatase titania (TiO 2 ) nanocrystals (NCs) into (3-glycidyloxypropyl) trimethoxysilane organic silica sol followed by a sol–gel process. The anatase TiO 2 NCs were prepared by controlling hydrolysis of titanium alkoxide in acid solution, and they show a narrow size distribution centered at about 4nm and...
A novel thioether glycidyl resin bis[3-(2,3-Epoxypropylthio)phenyl]-sulfone (BEPTPhS) with high refractive index was synthesized by condensation of bis(3-mercaptophenyl)sulfone (BMPS) with epichlorohydrin. It's structure was characterized by FTIR, MS and NMR. It was the first time that trimercaptothioethylamine (TMTEA) was used as curing agent to cure epoxy resins. Optical resins possessing high refractive...
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