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Multi-site phase transfer catalyst assisted radical polymerisation of glycidyl methacrylate using potassium peroxydisulphate as initiator – a kinetic study

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Abstract

In this work, the kinetics and mechanism of free-radical polymerisation of glycidyl methacrylate (GMA) using potassium peroxydisulphate (PDS) as water soluble initiator in the presence of synthesized 1, 4-Bis (tributyl methyl ammonium) benzene dichloride (TBMABDC) as multi-site phase transfer catalyst (MPTC) was studied. The polymerisation reactions were carried out under inert and unstirred conditions at constant temperature of 60 ± 1°C in cyclohexane/water biphase media. The role of concentrations of monomer, initiator, catalyst and volume fraction of aqueous phase, solvent polarity and temperature on the rate of polymerisation (Rp) was ascertained. The order with respect to monomer and initiator was found to be unity. The order with respect to catalyst was found to be 0.51. The rate of polymerisation is independent of ionic strength and pH of the medium. However, an increase in the polarity of solvent has slightly increased the Rp value. Based on the results obtained, a suitable kinetic scheme has been proposed to account for the experimental observations and its significance discussed.

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Authors and Affiliations

  1. Department of Chemistry, College of Engineering, Anna University, Chennai, 600 025, India

    Murugesan Vajjiravel & M. J. Umapathy

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  1. Murugesan Vajjiravel
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  2. M. J. Umapathy
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Correspondence to Murugesan Vajjiravel.

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Vajjiravel, M., Umapathy, M.J. Multi-site phase transfer catalyst assisted radical polymerisation of glycidyl methacrylate using potassium peroxydisulphate as initiator – a kinetic study. J Polym Res 15, 235–240 (2008). https://doi.org/10.1007/s10965-007-9163-1

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  • DOI: https://doi.org/10.1007/s10965-007-9163-1

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