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Deposition of Porous Sorbents on Fabric Supports
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A Durable Textile With Advanced Thermal Functions and Electromagnetic Shielding.

Dangge Gao1,2,3, Zhangting Jia1,2,3, Bin Lyu1,2,3

  • 1College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science & Technology, Xi'an, 710021, China.

Small (Weinheim an Der Bergstrasse, Germany)
|October 26, 2024
PubMed
Summary

This study introduces Cotton@PDA/AgNPs (CPANS), a versatile textile for personal thermal management (PTM). CPANS offers passive radiative heating, solar heating, electrical heating, and electromagnetic interference shielding with enhanced durability for cold climates.

Keywords:
cotton fabricelectrical heatingelectromagnetic interference shieldingpersonal thermal managementsolar/radiative heating

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Area of Science:

  • Materials Science
  • Textile Engineering
  • Nanotechnology

Background:

  • Personal thermal management (PTM) textiles are crucial for adapting to variable cold climates and individual thermoregulation needs.
  • Existing PTM textiles often suffer from limitations such as single heating modes, inadequate durability, and complex fabrication processes.

Purpose of the Study:

  • To develop an advanced PTM textile with multiple functionalities including passive radiative heating, solar heating, electrical heating, and electromagnetic interference (EMI) shielding.
  • To address the challenges of single heating modes, insufficient durability, and complex preparation processes in current PTM textiles.

Main Methods:

  • Fabrication of Cotton@PDA/AgNPs (CPANS) by sequentially growing polydopamine (PDA) and silver nanoparticles (AgNPs) on cotton fabric (CF).
  • Characterization of CPANS for thermal properties (emissivity, absorptivity), electrical conductivity, EMI shielding effectiveness, and durability after physical treatments.

Main Results:

  • CPANS demonstrates low mid-infrared emissivity (36.6%) and high absorptivity (70.8%) for energy-saving heating.
  • Achieved high electrical conductivity (≈11109 S m⁻¹) enabling rapid heating (≈177 °C at 1.1 V) and excellent EMI shielding (≈60 dB).
  • PDA's adhesive properties ensure high durability of CPANS even after rigorous physical treatments.

Conclusions:

  • The developed CPANS textile offers an innovative solution for all-day personal thermal management in cold conditions.
  • This multifunctional textile exhibits significant potential for integration into wearable garments, providing a new benchmark for advanced PTM fabrics.