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Developing a novel thermo-regulating cotton fabric using inorganic eutectic phase change material


Novel insulation textiles have become very important as they can regulate temperature according to the ambient temperature. The use is made of Phase Change Materials (PCMs) to design a wide range of textiles for thermal management purposes. Recently, instead of using PCM-containing packages in clothing, such methods as PCM encapsulation have been proposed for the reduction of the product's final weight. In this research, for the first time, we used a eutectic mixture of Na2HPO4·12H2O and Na2CO3·10H2O as an inorganic PCM in the fabric's structure. The coating technique and silicone rubber were then applied for the preparation of a thermo-regulating cotton fabric. Thermo-physical effects related to the thermal stability of the treated fabric were then investigated by utilizing Differential Scanning Calorimetry (DSC) and Thermo Gravimetric Analysis (TGA). Fourier transform infrared spectroscopy (FT-IR), Field Emission Scanning Electron Microscope (FESEM) and EDS mapping were subsequently utilized to probe the samples  microstructure. Subsequently, mechanical and physical qualities of the treated fabric were probed too. The results revealed that the time interval to reach a certain temperature was enhanced by 150% due using the inorganic eutectic PCM in the coated fabric structure. In addition, the DSC results revealed the 28.9 °C melting temperature as well as the latent heat of fusion of 14.9 J/g for the treated cotton fabric. Therefore, it is possible to use silicone rubber to hold PCMs on textile structures, without microencapsulation; also, the treated textile can be used as an effective smart thermal insulator.

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  1. Latent heat storage.


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This work was supported by Isfahan University of Technology.

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Correspondence to Fatemeh Shahmoradi Ghaheh.

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Kazemi, Z., Mortazavi, S.M. & Shahmoradi Ghaheh, F. Developing a novel thermo-regulating cotton fabric using inorganic eutectic phase change material. Cellulose 30, 1287–1303 (2023).

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  • Smart textile
  • Thermo-regulating fabric
  • Latent Heat storage
  • Inorganic eutectic PCMs
  • Cotton