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Polymerization of styrene with diphenylzinc-cocatalyst systems

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Summary

The diphenylzinc-H2O and diphenylzinc-H2O-ButCl systems were used as catalysts for styrene polymerization in solution at various temperatures and solvents. The systems are greatly influenced by the molar ratio H2O/Ph2Zn, and the maximum catalyst activity, in both cases, was found at a molar ratio of 0.75. GPC results strongly suggest the presence of more than one active species. For Ph2Zn-H2O-ButCl system, in dichloromethane at-78°C with the molar ratio of H2O/Ph2Zn=0.75, the reaction is first order with respect to monomer with kp=2.45×10-3 Lmol-1sec-1.

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Authors and Affiliations

  1. Departmento de Química, Facultad de Ciencia, Universidad de Santiago de Chile, Casilla 307, Correo 2, Santiago, Chile

    Franco M. Rabagliati & Claudio A. Terraza

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  1. Franco M. Rabagliati
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  2. Claudio A. Terraza
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Rabagliati, F.M., Terraza, C.A. Polymerization of styrene with diphenylzinc-cocatalyst systems. Polymer Bulletin 28, 511–516 (1992). https://doi.org/10.1007/BF00296040

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  • DOI: https://doi.org/10.1007/BF00296040

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