Abstract
In this paper are reported molecular weight distributions (MWD) of polystyrenes obtained by bulk free-radical polymerization of styrene under isothermal conditions. MWD of polystyrenes were determined by gel-permeation chromatography. From analysis of the results it is apparent that samples synthesized at 80 °C and 90 °C have a bimodal MWD whereas those obtained at 100 °C and 110 °C have unimodal MWD. By two-peak deconvolution of experimental curves (at 80 °C and 90 °C) it is possible to separate the contribution of polystyrene obtained before and after onset of the gel effect.
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Radičević, R., Kisin, S. & Krakovsky, I. Analysis of the Molecular Weight Distribution of Polystyrene. Chromatographia 59, 621–624 (2004). https://doi.org/10.1365/s10337-004-0259-z
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DOI: https://doi.org/10.1365/s10337-004-0259-z