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Epichlorohydrin polymerization using diphenylzinc-cocatalyst systems in benzene solution

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Summary

Various diphenylzinc-cocatalyst systems were used as initiators of epichlorohydrin polymerization in benzene solution. Water, acetone, butanone, acetophenone and cyclopentanone were employed as cocatalyst but in the most of the cases diphenylzinc alone produced the better conversion to polymer. GPC results suggest the presence of more than one active species for the polymerization initiated by those systems. For diphenylzinc alone as initiator the reaction at 120°C is first order with respect to monomer with kp=1.21x10 -5L mol-1sec-1.

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Authors and Affiliations

  1. Grupo de Polímeros, Departamento de Química, Facultad de Ciencias, Universidad de los Andes, 5101A, Merida, Venezuela

    Jesús M. Contreras, Pompilio Moreno, María P. Calcagno & Francisco López

  2. Grupo de Polímeros, Departamento de Química, Facultad de Ciencia, Universidad de Santiago de Chile, Casilla 5659, Correo 2, Santiago, Chile

    Franco M. Rabagliati

Authors
  1. Jesús M. Contreras
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  2. Pompilio Moreno
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  3. María P. Calcagno
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  4. Francisco López
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  5. Franco M. Rabagliati
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Contreras, J.M., Moreno, P., Calcagno, M.P. et al. Epichlorohydrin polymerization using diphenylzinc-cocatalyst systems in benzene solution. Polymer Bulletin 23, 483–489 (1990). https://doi.org/10.1007/BF00419966

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  • DOI: https://doi.org/10.1007/BF00419966

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