Study on the Preparation and Properties of High Refractive Index TiO2 Nano-Hybrid Material

  • HU Xu-Can ,
  • TAO Ba-Mang ,
  • LIU Jia-Cheng ,
  • CHEN Kun ,
  • LIU Jing
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  • School of Chemical and Material Engineering,Jiangnan University,WuXi,Jiangsu 214122,China

Received date: 2019-05-29

  Revised date: 2019-10-08

  Online published: 2019-11-01

Abstract

A polymer matrix containing S and Br elements was prepared by means ofthiol-epoxy click chemistry,using epoxy resin of 1,2-ethanedithiol tetrabromobisphenol A and 9,9-Bis[4-(glycidyloxy)phenyl] fluorene as main materials and LiOH methanol solutionas catalyst. The transparent high refractive index TiO2 nano hybrid materials were prepared by means of sol-gel method and segmental heat curing,using titanium butoxide as precursor andacetylacetone as an alcoholysis control agent. The structure and properties were characterizedby infrared spectroscopy,nanometer particle size analyzer,ellipsometry,transmission electron microscopy and ultraviolet-visible spectrophotometer. The experimental results showed that TiO2 particles were successfully synthesized and homogeneously dispersed at the nanometerscale in the polymer matrix,and the materials provided high light transmittance in the visible light region,at around 95%. As the amount of hybridization of TiO2 particles increases,the refractive index at 486 nm increases from 1. 660 2 to 1. 756 5,and the Abbe number increases from 21. 65 to 34. 63.

Cite this article

HU Xu-Can , TAO Ba-Mang , LIU Jia-Cheng , CHEN Kun , LIU Jing . Study on the Preparation and Properties of High Refractive Index TiO2 Nano-Hybrid Material[J]. Paint & Coatings Industry, 2019 , 49(11) : 24 -31 . DOI: 10.12020/j.issn.0253-4312.2019.11.24

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