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Phenacyl dimethyl sulphonium ylide-mercuric chloride complex initiated radical polymerization of methylmethacrylate

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Summary

The metal-ylide-initiated radical polymerization of methylmethacrylate (MMA) at 85±0.1°C using dioxan as inert solvent was investigated by dilatometry. Kinetic parameters, average rate of polymerization (R p ) and reaction orders with respect to initiator and monomer have been determined and are 0.33±0.1 and 1.33, respectively. Polymerization was inhibited by hydroquinone and non-polar solvents, but is favoured by polar solvent. The activation energy (ΔE) and k 2p /kt values were 64.0 kJ mol−1 and 3.3×10−2 l mol−1 s−1 respectively. A suitable mechanism consistent with the observed kinetic data is proposed.

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Authors and Affiliations

  1. Chemistry Department, Harcourt Butler Technological Institute, 208002, Kanpur, India

    Urvi Bhatnagar & A. K. Srivastava

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  1. Urvi Bhatnagar
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  2. A. K. Srivastava
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Bhatnagar, U., Srivastava, A.K. Phenacyl dimethyl sulphonium ylide-mercuric chloride complex initiated radical polymerization of methylmethacrylate. Transition Met Chem 16, 462–465 (1991). https://doi.org/10.1007/BF01129465

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  • DOI: https://doi.org/10.1007/BF01129465

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