Manufacturers can now exploit phase change materials (PCMs) to provide thermal comfort in a wide variety of garments. But to understand how much and what kind of PCM to use, as well as refining the structure of the textile, in order to make a garment fit for its purpose, it is necessary to quantify the effect of the active thermal barrier provided by these materials. Barbara Pause describes the techniques she has developed in addition to differential scanning calorimetry.
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