Abstract
We have studied the polymerization kinetics of acrylamide in aqueous solution with potassium persulfate as an initiator by using quantitative real-timein situ IR spectroscopy and monitoring the profiles of peaks in the range 1900–850 cm−1. The conversion of acrylamide was calculated from the disappearance of the peak at 988 cm−1, which is the out-of-plane bending mode of the =C−H unit, normalized to the C=O stretching peak at 1675 cm−1 as an internal standard. For reaction temperatures in the range 40–65 °C and initiator and monomer concentrations of 0.9–2.6 mmol/L and 0.5–1.1 mol/L, respectively, we deduced that the rate of monomer consumption follows the relationR p =k[K2S2O8]0.5[M]1.35±0.10. In addition, we obtained activation parameters from an evaluation of the kinetic data.
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Kang, S.C., Choi, Y.J., Kim, H.Z. et al. Kinetics of acrylamide solution polymerization using potassium persulfate as an initiator byin situ IR. Macromol. Res. 12, 107–111 (2004). https://doi.org/10.1007/BF03219002
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DOI: https://doi.org/10.1007/BF03219002