Abstract
Abstract Novel nanocomposites of TiO 2 –ZrO 2 nanoparticles and thiol-acrylate resin, with high refractive index, high transparency, good thermal stability and mechanical properties were prepared via UV (Ultraviolet rays)-induced crosslinking polymerization. In this work, TiO 2 nanoparticles were synthesized, and its surface treatment was performed with ZrO 2 to depress the photocatalytic activity of TiO 2 . No aggregation of TiO 2 –ZrO 2 nanoparticles was found after mixing with photocrosslinkable materials and transparent coatings and blocks were obtained. Thiol-acrylate was used as an organic matrix with high refractive index and as a promoter of UV curing reaction. Transmission electronic microscopic studies (TEM) of nanocomposites showed that the TiO 2 –ZrO 2 nanoparticles with a diameter 3–6 nm were dispersed in the organic matrix and maintained their original size before immobilization.
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