International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
Since Year 2012 | Open Access | Fully Refereed | Peer Reviewed

ISSN: 2319-7064




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Research Paper | Chemistry | India | Volume 11 Issue 5, May 2022


Aqueous Polymerization of Acrylonitrile by Persulphate Disulphite Redox System Catalysed by Mn2+Ion: A Kinetic Study

B. V. Mohan Kumar


Abstract: Polymerization of the acrylonitrile monomer (M), initiated by a persulphate -Mn?+- disulphite redox system was investigated kinetically, over a temperature range of 25-45?C in aqueous medium under oxygen atmosphere. The incorporation of metal ion, Mn?+, with persulphate - disulphite redox system and rate of polymerization (Rp) has been studied at various concentrations of monomer and initiator. The polymerization exhibited a strong dependence on the concentration of Mn?+. That is, at low concentration of Mn?+, Rp? [M] [S?O82-]1/2 [HSO3-]1/2while at high Mn?+ concentration, Rp? [M] [S?O82-]1/2 [Mn?+]1/2. The degree of polymerization is found to increase with increase in concentration of monomer and decrease in concentration of persulphate, manganese, and disulphite. The influence of organic solvents and temperature on the rate of polymerization has also been investigated and energy of activation was calculated to be 30.6 k J/mol. On the basis of experimental results, a suitable scheme has been proposed and a rate expression has been derived.


Keywords: Polymerization, acrylonitrile, persulphate, disulphite, manganese, monomer, kinetics, oxygen atmosphere, temperature


Edition: Volume 11 Issue 5, May 2022,


Pages: 1589 - 1593


How to Cite this Article?

B. V. Mohan Kumar, "Aqueous Polymerization of Acrylonitrile by Persulphate Disulphite Redox System Catalysed by Mn2+Ion: A Kinetic Study", International Journal of Science and Research (IJSR), Volume 11 Issue 5, May 2022, pp. 1589-1593, https://www.ijsr.net/get_abstract.php?paper_id=SR22520122515

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