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Insight into color change of reversible thermochromic systems and their incorporation into textile coating

机译:洞察可逆热致变色系统的颜色变化及其掺入纺织品涂层

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摘要

Dynamic color and phase change of chosen thermochromic systems were deeply investigated and their incorporation into polyurethane textile coating was developed. The colorimetric properties of three commercial reversible leuco dyes-based thermochromic pigments (TPs) with activation temperature at 38, 50, and 60 degrees C were studied. Color change as a function of temperature was evaluated and colorimetric values were related to phase transition temperatures via differential scanning calorimetry (DSC) measurement. Light fastness of commercial TPs in polyurethane coating was determined by accelerated aging measurement and the color stability has been improved by using ultraviolet absorber (UVA). This research opens new possibilities for smart textiles, which is a very promising field in high-technology materials.
机译:对所选热致变色体系的动态颜色和相变进行了深入研究,并开发了它们在聚氨酯纺织涂料中的应用。研究了三种商用可逆隐色染料基热致变色颜料(TPs)在38、50和60℃下的比色性能。通过差示扫描量热法(DSC)测量,评估颜色变化与温度的关系,并将色度值与相变温度联系起来。采用加速老化法测定了聚氨酯涂层中商用TPs的耐光牢度,并采用紫外线吸收剂(UVA)改善了涂层的颜色稳定性。这项研究为智能纺织品开辟了新的可能性,这是高科技材料中一个非常有前途的领域。

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