Products Cited in Publications Worldwide Cellulose Fibers Containing Discrete Phase Change Material for Thermoregulation

Cellulose Fibers Containing Discrete Phase Change Material for Thermoregulation

Miengmern, Nichakan; Sajomsang, Warayuth; Wanichwecharungruang, Supason

DOI:

Abstract

Thermal energy storage via phase change materials (PCMs) offers significant potential for temperature regulation and energy storage in textiles. Currently, the leakage issue is still a challenge. In this study, we have prepared the cellulose fibers with discrete n-eicosane encapsulation and have shown their non-leakage properties with potential for adaptive comfort and efficient energy use. The non-continuous PCM core design effectively addresses the PCM leakage during cutting or tearing. The study involved the use of the crosslinker epichlorohydrin and the incorporation of silk fibroin to enhance the material characteristics of the cellulose fibers. The fiber containing 21% n-eicosane exhibited a tensile strength of 35.4 ± 2.3 MPa and an elongation at break of 37.0 ± 0.8%, showed thermal cycling stability for a minimum of 100 cycles (the maximum cycle number tested), and a melting enthalpy of 53.8 J/g. Thermal camera images under both hot-to-cold and cold-to-hot temperature control conditions revealed that by wrapping the n-eicosane loaded cellulose blend fibers around the wooden model, significant thermoregulation could be clearly observed.

Keywords

phase change material ; n-eicosane ; PCM-loaded fiber ; thermal energy storage

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