Journal of Textile Research ›› 2018, Vol. 39 ›› Issue (09): 90-94.doi: 10.13475/j.fzxb.20171009705

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Preparation and performance of flexible heater by coating pollyester yarns with carbon nanotubes

  

  • Received:2017-10-25 Revised:2018-06-06 Online:2018-09-15 Published:2018-09-12

Abstract:

Aiming at the problem that the current heating wire has poor flexibility and insufficient washability , the conducting flexible heating wire was prepared by coating with carbon nanotubes on the surface of polyester yarn. According to the technology requirement of flexible heating wire preparation, the experimental system of uniform coating of yarn was designed and applied in coating of carbon nanotubes on the surface of polyester yarn.  The resistance and thermal properties were measured, and the microscopic image was observed. The results show that the experimental platform can realize the preparation of flexible heating wire, the average resistivity of the heating wire with a length of 15 cm is 24.895 Ω · cm and the standard deviation is 0.473Ω · cm. The surface of the polyester yarn is uniformly coated with a layer of mesh structure carbon nanotube materia. Under the application of 36V voltage, the parallel network structure constructed by the heating wire surface can reach 50.3 ℃ heating temperature within 4 min.

Key words: heating textile, polyester yarn, carbon nanotube, resistivity, flexible heating wire

CLC Number: 

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