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Synthesis and characterization of α-methylstyrene-butadiene-α-methylstyrene linear block copolymers

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Summary

α-methylstyrene-butadiene- α-methylstyrene linear block copolymers with a ‘pure’ block structure were prepared by sec-butyllithium and coupling agent in a four-step process. Their morphology is built up of microdomains of poly- α -methylstyrene, including the unbonded segments, dispersed in a polybutadiene matrix. Cylindrical domains arranged in a hexagonal lattice or irregularly shaped domains in a disordered phase are observed, depending on the molecular weight of the poly- α -methylstyrene segment.

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Authors and Affiliations

  1. Polymer Research Laboratories, ASSORENI, 20097, San Donato, Milanese, Italy

    Alberto Gandini, Giovanni Perego, Arnaldo Roggero, Roberto Vitali & Alessandro Zazzetta

Authors
  1. Alberto Gandini
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  2. Giovanni Perego
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  3. Arnaldo Roggero
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  4. Roberto Vitali
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  5. Alessandro Zazzetta
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Gandini, A., Perego, G., Roggero, A. et al. Synthesis and characterization of α-methylstyrene-butadiene-α-methylstyrene linear block copolymers. Polymer Bulletin 12, 71–77 (1984). https://doi.org/10.1007/BF00258275

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  • DOI: https://doi.org/10.1007/BF00258275

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