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High Refractive Index Polymer Composites Synthesized by Cross‐Linking of Oxozirconium Clusters Through Thiol‐Ene Polymerization
Author(s) -
Bhagat Sharad D.,
Filho Edmundo Bello Da Silva,
Stiegman Albert E.
Publication year - 2015
Publication title -
macromolecular materials and engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.913
H-Index - 96
eISSN - 1439-2054
pISSN - 1438-7492
DOI - 10.1002/mame.201500009
Subject(s) - materials science , ene reaction , monomer , polymerization , polymer , composite material , methacrylate , thiol , zirconium , photopolymer , refractive index , high refractive index polymer , polymer chemistry , organic chemistry , chemistry , optoelectronics , layer (electronics) , metallurgy
Transparent hybrid organic methacrylate capped zirconium oxo‐clusters (ZOCs) with thiol‐ene monomers. The vinyl capping groups potentially enable the ZOCs to become an integral part of the thiol‐ene network. The ZOCs are reasonably soluble in the thiol‐ene monomers yielding a loading of 1 wt. ‐%. The resulting polymer composites were highly transparent in the visible region and exhibited significant enhancement in the refractive indices with measured values ranging from 1. 714 to 1. 744. Moreover, dynamic mechanical analysis (DMA) revealed that all the composites exhibited good mechanical strength and were robust enough to undergo machining and/or polishing without fracture.

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