Stretchable Thermochromic Fluorescent Fibers Based on Self-Crystallinity Phase Change for Smart Wearable Displays
2024

Stretchable Thermochromic Fluorescent Fibers for Smart Wearable Displays

publication Evidence: moderate

Author Information

Author(s): Guo Yongmei, Hu Zixi, Zhan Luyao, Liu Yongkun, Sun Luping, Ma Ying

Primary Institution: Minjiang University, Fuzhou, China

Hypothesis

Can stretchable thermochromic fluorescent fibers be created using self-crystallinity phase change to meet the dynamic requirements of the human body?

Conclusion

The study successfully developed stretchable thermochromic fluorescent fibers that exhibit good fluorescent emission contrast, reversibility, and high elasticity.

Supporting Evidence

  • The fibers exhibited high elasticity of 800% elongation.
  • The thermochromic fluorescent properties remained stable after 50 heating-cooling cycles.
  • The encapsulation method used helped maintain the fluorescent properties of the dyes.

Takeaway

The researchers made stretchy fibers that change color when heated, which could be used in smart clothing to show information.

Methodology

The fibers were prepared using wet spinning technology with polyurethane as the matrix and thermochromic fluorescent capsules made via a piercing–solidifying method.

Limitations

The study does not specify the long-term durability of the fibers in various environmental conditions.

Digital Object Identifier (DOI)

10.3390/polym16243575

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