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Heat and moisture transfer in sol–gel treated cotton fabrics

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Abstract

Cotton fabrics have been treated by sol–gel processes in order to produce an inorganic coating on fibres, able to modify their thermal conductivity under an irradiating flow. To this aim, fabric specimens with different silica content have been tested following the ISO 6942 standard in order to establish the effect of the coating on coupled heat and moisture transfer through the cotton fibres. The collected results have been compared with those obtained by an optimized method using a cone calorimeter as the heating source. By this latter approach, it has been demonstrated that sol–gel cotton treated fabrics with high moisture uptake possess a significantly lower thermal conductivity with respect to cotton alone.

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Acknowledgements

The authors would like to thank Mr. Fabio Cuttica and Dr. Mihaela Ciobanu for the technical support in preparing the sol–gel treated fabrics.

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Authors and Affiliations

  1. Dipartimento di Scienza Applicata e Tecnologia, Politecnico di Torino, Viale Teresa Michel 5, 15121, Alessandria, Italy

    Jenny Alongi & Giulio Malucelli

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  1. Jenny Alongi
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  2. Giulio Malucelli
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Correspondence to Giulio Malucelli.

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Alongi, J., Malucelli, G. Heat and moisture transfer in sol–gel treated cotton fabrics. J Therm Anal Calorim 111, 459–465 (2013). https://doi.org/10.1007/s10973-012-2462-8

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  • DOI: https://doi.org/10.1007/s10973-012-2462-8

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