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<p>Bidirectional thermoregulation nanofiber yarns were fabricated using conjugate electrospinning and subsequently integrated into camel-cashmere fabric for enhanced thermal management. By incorporating microencapsulated phase-change materials (μPCMs) and optimizing their mass in the spinning solution, we obtained thermoregulation nanofiber yarns with superior thermal energy storage properties and mechanical performance. Optimal results were observed when the additive mass of µPCMs was 7.5&#xa0;wt%, yielding nanofiber yarns with a latent heat of up to 39.10&#xa0;J/g, a breaking force of 184.4&#xa0;cN, and an elongation of 14.7%. The morphology and structure of these yarns were further refined by adjusting the spinning parameters. The optimized yarns were applied to the camel-cashmere fabric followed by an assessment using an infrared thermal imager. The thermoregulation camel-cashmere fabric exhibited slower temperature variations compared to the ordinary fabric, with maximum temperature differentials of 6.3 and 5.7&#xa0;°C in the heating and cooling scenarios, respectively. The results indicated that the thermoregulation nanofiber yarns endowed the textile with dynamic thermal insulation from phase-change material and promises more intelligently and actively adjusting the temperature of the body microclimate according to the temperature change of the outside.</p>

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Bidirectional Thermoregulation Nanofiber Yarns and Their Application to Camel-Cashmere Fabric for Thermal Management

  • 期刊论文

  • 发表日期：

    2026年1月24日

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  • Zheru Sun,
  • Yong Ma,
  • Guodong Fang,
  • Kefei Yu,
  • Yixuan Li,
  • Keling Xu,
  • Yu Wang,
  • Gang Yao,
  • Miaomiao Hui,
  • Xin Xia

摘要

Bidirectional thermoregulation nanofiber yarns were fabricated using conjugate electrospinning and subsequently integrated into camel-cashmere fabric for enhanced thermal management. By incorporating microencapsulated phase-change materials (μPCMs) and optimizing their mass in the spinning solution, we obtained thermoregulation nanofiber yarns with superior thermal energy storage properties and mechanical performance. Optimal results were observed when the additive mass of µPCMs was 7.5 wt%, yielding nanofiber yarns with a latent heat of up to 39.10 J/g, a breaking force of 184.4 cN, and an elongation of 14.7%. The morphology and structure of these yarns were further refined by adjusting the spinning parameters. The optimized yarns were applied to the camel-cashmere fabric followed by an assessment using an infrared thermal imager. The thermoregulation camel-cashmere fabric exhibited slower temperature variations compared to the ordinary fabric, with maximum temperature differentials of 6.3 and 5.7 °C in the heating and cooling scenarios, respectively. The results indicated that the thermoregulation nanofiber yarns endowed the textile with dynamic thermal insulation from phase-change material and promises more intelligently and actively adjusting the temperature of the body microclimate according to the temperature change of the outside.