Abstract
Smart phase change materials (PCMs) can provide comfort to the wearer in extreme weather by absorbing heat in a hot environment and releasing stored heat in a cold environment. The nanocapsules containing a mixtures of paraffin as PCMs were synthesized to bring the phase change temperature to around 33 °C which is closer to the skin comfort temperature. The developed nanocapsules were applied on a cotton fabric via a pad-dry-cure process and the resultant fabric was evaluated using differential scanning calorimetry (DSC) and scanning electron microscopy (SEM) in comparison with microencapsulated PCM (MPCM)-treated fabric. Furthermore, the synthesized nanocapsules were incorporated into polypropylene monofilament to compare their properties with MPCM monofilament. The results indicated that nanocapsules showed better durability on cotton fabric than MPCMs. The decrease in latent heat was more for MPCM after washing than nanoencapsulated PCM.
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