The study of polymerization kinetics of methacrylamide by oxidation: Reduction system using potassium permanganate/glycine in aqueous medium

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[1] Mirzaei, A.A.
[2] Shaterian, H.R.
[3] Habibi, S.M.
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Mirzaei, A.A. (mirzaei@hamoon.usb.ac.ir) | 1600年 / John Wiley and Sons Inc.卷 / 89期
关键词：
Activation energy - Nitrogen - Oxidation - Potassium compounds - Reaction kinetics - Redox reactions - Sulfuric acid;
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摘要：
The polymerization kinetic of methacrylamide with the KMnO 4/glycine redox system has been investigated volumetrically at 35±0.1°C under nitrogen atmosphere in aqueous sulfuric acid medium in a dimethylsulfoxide/H2O mixture (5% v/v). The rates of polymerization were found to obey the following equation: Rp x [Methacrylamide]1.08[GlycineJ0.44[KMnO4 -]0.46. A glycine end group containing polymethacrylamide was prepared by the MnO4-/glycine redox system under mild conditions. The reaction proceeded with radical mechanism and the overall energy of activation (Ea) was calculated to be 29.87 kJ/mol from the Arrhenius plot in the temperature range 25-50°C. Molecular weight of the polymer was determined by viscometry. © 2003 Wiley Periodicals, Inc.
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