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Peripheral thermosensation is the perception of external temperature. A change in temperature (on the surface of the skin and other tissues) is detected by a family of temperature-sensitive ion channels called Transient Receptor Potential, or TRP, receptors. These receptors are located on free nerve endings. Those detecting cold temperatures are closer to the surface of the skin than the nerve endings detecting warmth. These thermoTRP channels, while temperature selective, have relatively...
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软自调节加热元件用于基于热塑性弹性体的电子皮肤应用

Antonia Georgopoulou1,2, Pascal Diethelm1, Marius Wagner3

  • 1Department of Functional Materials, Empa-Swiss Federal Laboratories for Materials Science and Technology, Dübendorf, Switzerland.

3D printing and additive manufacturing
|May 1, 2024
PubMed
概括
此摘要是机器生成的。

由热塑性聚氨 (TPU) 和碳黑制成的软加热元件可以拉伸超过100%并达到180°C. 这些元素使电子皮肤等应用程序的自调节温度控制成为可能.

关键词:
导电复合材料的导电复合材料加热元件的使用方法材料挤出 材料挤出基于颗粒的挤出方式软材料 软材料 软材料

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科学领域:

  • 材料科学 材料科学 材料科学
  • 聚合物科学 聚合物科学
  • 增材制造 增材制造 增材制造

背景情况:

  • 电阻加热元件对于电子皮肤 (e-skin) 等应用至关重要.
  • 开发柔软,可拉伸和热稳定的加热元件仍然是一个挑战.
  • 现有的基于热塑性聚合物的热敏电阻器往往缺乏足够的延长能力.

研究的目的:

  • 为电子皮肤应用开发柔软,高度伸展的电阻加热元件.
  • 研究这些新型加热元件的制造工艺和热性能.
  • 为了证明自我调节的温度控制和局部治愈能力.

主要方法:

  • 将热塑性聚氨 (TPU) 与碳黑相结合,以创建复合加热元件.
  • 使用材料挤出增材制造在TPU基板上进行一步制造.
  • 通过修改元件几何和增材制造参数 (抵消,层高度,喷嘴速度,挤出乘数) 来调整加热性能.
  • 实现自调节温度控制,使用不同的电压和电流值.

主要成果:

  • 开发的加热元件表现出超过100%的延伸,没有显著的变形.
  • 由于TPU和碳填充剂的高点,可以将热敏电阻加热到180°C.
  • 通过改变电压和电流值,实现了自我调节的温度控制.
  • 通过改变元素的横截面几何形状,可以调整加热性能.
  • 增材制造参数影响了初始电阻和电导率.

结论:

  • 通过增材制造,使用TPU和碳黑成功制造了柔软,可拉伸和热稳定的加热元件.
  • 开发的元件具有出色的机械性能和可控制的加热性能.
  • 电子皮肤中集成的加热元件可在现场进行局部治愈,同时保持软软的机器人软度.