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Characterization of silanized poly(ether-urethane) hybrid systems using thermogravimetric analysis (TG)

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Abstract

The thermal behaviour of a new kind of hybrid system based on silanized poly(ether-urethanes) (SPURs) has been analyzed by thermogravimetric analysis (TG). The influence of the chemical nature of employed alkoxysilanes, polyether diol molecular weight and the physical state of the obtained hybrids (cured and non-cured) has been studied. The results show that in the non-cured state, aminosilane-based systems present a higher stability compared with those based on isocyanatesilane. However, in the cured state, both types of hybrids present a similar thermal stability, but much higher than their corresponding partners before the curing process. The presence of the inorganic silica network improves the thermal stability of all the systems studied.

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Acknowledgements

The authors would like to thank the financial support of the Ministerio de Ciencia e Innovación (Interhybrid Project no. MAT 2005-08033-C02-01) and the Fondo Social Europeo (FSE) for the development of this work.

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Authors and Affiliations

  1. Department of Polymer Science and Technology, Institute for Polymer Materials (POLYMAT), University of the Basque Country, P.O. Box 1072, 20080, San Sebastián, Spain

    A. Rekondo, L. Irusta & M. J. Fernández-Berridi

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  1. A. Rekondo
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  2. L. Irusta
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  3. M. J. Fernández-Berridi
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Correspondence to M. J. Fernández-Berridi.

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Rekondo, A., Irusta, L. & Fernández-Berridi, M.J. Characterization of silanized poly(ether-urethane) hybrid systems using thermogravimetric analysis (TG). J Therm Anal Calorim 101, 331–337 (2010). https://doi.org/10.1007/s10973-010-0674-3

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  • DOI: https://doi.org/10.1007/s10973-010-0674-3

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