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Synthesis and characterization of aniline and thiophene and/or alkylthiophenes polymers

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Abstract

Three new polymers, obtained by reacting thiophene or 3-alkylthiophenes as electron donors with aniline as acceptor in a donor–acceptor structure, were synthesized via oxidative polymerization using iron(III) chloride (FeCl3). The final products were characterized utilizing conventional techniques such as IR, NMR, UV–Vis spectrometry, which enabled demonstrating that an increase of the aliphatic chain length causes significant solubility increase of the system, without modifying the conductivity. On the other hand, observed an important variation of the thermal stability of the polymer when medium-length aliphatic chains were inserted was observed; in contrast, the addition of a methyl group (short chain length) hardly affected the mentioned properties.

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Acknowledgments

We thank the financial support of Comisión Nacional de Investigación Científica y Tecnológica CONICYT through FONDECYT Project 1141158. MAP thanks CONICYT scholarship 63140026.

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Authors and Affiliations

  1. Laboratorio de Polímeros, Facultad de Química, Pontificia Universidad Católica de Chile, Av. V. Mackenna 4860, Macul, 7820436, Santiago, Chile

    María Angélica Pardo & Fernando Raúl Díaz

  2. Laboratorio de Electroquímica de Polímeros, Facultad de Química, Pontificia Universidad Católica de Chile, Av. V. Mackenna 4860, Macul, 7820436, Santiago, Chile

    María Angélica del Valle

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  1. María Angélica Pardo
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  2. María Angélica del Valle
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  3. Fernando Raúl Díaz
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Correspondence to Fernando Raúl Díaz.

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Pardo, M.A., del Valle, M.A. & Díaz, F.R. Synthesis and characterization of aniline and thiophene and/or alkylthiophenes polymers. Polym. Bull. 72, 2189–2199 (2015). https://doi.org/10.1007/s00289-015-1397-1

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  • DOI: https://doi.org/10.1007/s00289-015-1397-1

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