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Novel triazole-based aluminum complex for ring-opening polymerization of lactones

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Abstract

Novel triazole-based aluminum complex {O,O′-[4,5-P(O)Ph2tz]-AlMe2 was studied as the catalyst for the ring-opening polymerization of caprolactone (ε-CL) in chlorobenzene. In the presence of methanol, isopropanol, and bifunctional poly(ethylene glycol), the catalytic system produced polymers with high conversion (81–85 %) but broader distribution (M w/M n = 1.5–1.8). The system of catalyst and benzyl alcohol produced relative monodisperse PCLs (M w/M n ~ 1.2) with defined molecular weight at 1/1ratio, 60 °C and an initial concentration of ε-CL equal to 0.5 mol/L.

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Acknowledgments

This work was supported by the Ministry of Education of the Czech Republic under the project no. MSM 0021630501 and by the CONACyT (grant 058484). The authors thank J. Alcántara and N. Zavala for their technical assistance.

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Authors and Affiliations

  1. Institute of Materials Chemistry, Faculty of Chemistry, Brno University of Technology, Purkyňova 118, 612 00, Brno, Czech Republic

    Soňa Hermanová, Zdeňka Vyroubalová & Lucy Vojtová

  2. Centro Conjunto de Investigación en Química Sustentable UAEM-UNAM, Carr. Toluca-Atlacomulco Km 14.5, Toluca, Estado de México, 50200, México

    Monica M. Moya Cabrera

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  1. Soňa Hermanová
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  2. Monica M. Moya Cabrera
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  3. Zdeňka Vyroubalová
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  4. Lucy Vojtová
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Correspondence to Soňa Hermanová.

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Hermanová, S., Moya Cabrera, M.M., Vyroubalová, Z. et al. Novel triazole-based aluminum complex for ring-opening polymerization of lactones. Polym. Bull. 67, 1751–1760 (2011). https://doi.org/10.1007/s00289-011-0486-z

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  • DOI: https://doi.org/10.1007/s00289-011-0486-z

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