Analysis of Major Components Contained in Bis-GMA Monomer

抄録

The major components contained in commercial Bis-GMA monomer were isolated by thin layer chromatography (TLC) and identified by NMR and high resolution mass spectroscopy. In addition to the two major components already known (Bis-GMA and Iso-bis-GMA), an unknown hydrophilic third major component was isolated and identified as 2, 2-[4-(2-hydroxy-3-methacryloyloxy-1-propoxy)-4'-(2, 3-dihydroxy-1-propoxy)] diphenylpropane. This compound was designated as BIS-GMA-H, because it has a structure of Bis-GMA with one of which methacrylic ester bond hydrolyzed.