Preparative scale isocratic chromatographic purification of a polyethylene mono-alcohol accompanied by high resolution evaluation of molecular weight distribution

MacDonald, Iain and Sherrington, David (2012) Preparative scale isocratic chromatographic purification of a polyethylene mono-alcohol accompanied by high resolution evaluation of molecular weight distribution. Journal of Applied Polymer Science, 125 (4). pp. 3023-3028. ISSN 0021-8995

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Abstract

A simple preparative-scale adsorption chromatographic method for separating a commercially available polyethylene mono-alcohol from its non-functional polyethylene impurities has been established using silica as the stationary phase and toluene at 75°C as the isocratic eluant. Characterization of the chromatographic fractions by 1H-NMR spectroscopy also provided unexpected comprehensive information on the molecular structure and molar mass distribution of the polyethylene mono-alcohol.