Abstract
Various substances present in polystyrene products were identified by GC/MS and NMR. The chemical structures of 13 unknown substances were confirmed or deduced to be 1, 3-diphenylpropane, cis- and trans-1, 2-diphenylcyclobutane, 2, 4-diphenyl-1-butene, 2, 4, 6-triphenyl-1-hexene, 1-phenyl-4-(1′-phenylethyl) tetralin and isomers, triphenylcyclohexane, 2, 4, 6, 8-tetraphenyl-1-octene and an isomer, and 2, 4, 6, 8, 10-pentaphenyl-1-decene. They are styrene oligomers, which were presumably formed by side reactions during the polymerization of styrene and remained in the final products.
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More From: Food Hygiene and Safety Science (Shokuhin Eiseigaku Zasshi)
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