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Polymerization of styrene by diphenylzinc-additive systems Part VII: Ph2Zn-(n-BuCp)2TiCl2-MAO systemsa

Part VII: Ph2Zn-(n-BuCp)2TiCl2-MAO systemsa

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Summary

The polymerization of styrene using the combined system diphenylzinc-bis(n-butylcyclopentadienyl)titanium dichloride-methylaluminoxane, Ph2Zn- (n-BuCp)2TiCl2-MAO, in toluene at 60°C, produced highly syndiotactic polystyrene, confirming that Ph2Zn-titanocene-MAO are good initiator systems for the stereoregular polymerization of styrene. The syndiotacticity of PS was established by its insolubility in chloroform, benzene or toluene, and after continuous extraction in boiling butanone. DSC analysis showed endotherm signals corresponding to the melting temperature, Tm, of syndiotactic polystyrene.

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Authors and Affiliations

  1. Grupo Polímeros, Departamento Ciencias Químicas, Facultad Química y Biología, Universidad de Santiago de Chile, Casilla 40, Correo 33, Santiago, Chile, , , , , , CL

    F. M. Rabagliati & M. A. Pérez

  2. Departamento de Ingeniería Química, Facultad Ciencias Físicas y Matemáticas, Universidad de Chile, Casilla 2777, Santiago, Chile., , , , , , CL

    R. Quijada

Authors
  1. F. M. Rabagliati
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  2. M. A. Pérez
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  3. R. Quijada
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Received: 7 April 1998/Revised version: 20 July 1998/Accepted: 23 July 1998

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Rabagliati, F., Pérez, M. & Quijada, R. Polymerization of styrene by diphenylzinc-additive systems Part VII: Ph2Zn-(n-BuCp)2TiCl2-MAO systemsa. Polymer Bulletin 41, 441–446 (1998). https://doi.org/10.1007/s002890050385

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  • DOI: https://doi.org/10.1007/s002890050385

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