The applicability to vinyl polymers of the procedure for quantitative determination of phthalide groups in polymeric molecules from the color of their sulfuric acid solutions was examined. The correlation between the intensity of the color of sulfuric acid solutions of polymers (polymethyl methacrylate, polystyrene) and the content of phthalide fragments incorporated into the polymer molecule was studied systematically on a quantitative level.
Russian Journal of Applied Chemistry – Springer Journals
Published: Oct 13, 2004
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