Fluorinated bis-GMA as potential monomers for dental restorative composite materials
作者： Rohit Srivastava , Joanna Wolska , Justyna Walkowiak-Kulikowska , Henryk Koroniak , Yuyu Sun
DOI: 10.1016/J.EURPOLYMJ.2017.03.027
关键词: Shrinkage 、 Chemical structure 、 Methacrylate 、 Copolymer 、 Bisphenol 、 Polymer chemistry 、 Monomer 、 Materials science 、 Polymerization 、 Fourier transform infrared spectroscopy
摘要: Abstract Bisphenol A-glycidyl methacrylate (bisGMA) is one of the most widely used monomers in preparation dental restorative composite resins. However, this monomer has high viscosity and hydrophilicity, leading to volume shrinkage water content resulting restoratives after polymerization. We hypothesized that hydrophilicity could be dramatically reduced by transforming hydroxyl groups bisGMA into fluorinated esters. To test hypothesis, we synthesized a new analogue (perFB-bisGMA) through esterification with perfluorobutyryl chloride. The chemical structure perFB-bisGMA was confirmed NMR FTIR studies. PerFB-bisGMA had much lower higher hydrophobicity than bisGMA. BisGMA were copolymerized light-initiated With increase content, mechanical properties copolymers not negatively affected, yet polymerization reduced, copolymer increased, suggesting esters attractive candidates copolymerize for applications.
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