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Tejido opaco visible modulador de infrarrojos para la termorregulación del cuerpo humano a bajas temperaturas
Mohamed Boutghatin1, Claire Pirim2, Valérie Gaucher3
1IEMNInstitut d'Electronique de Microélectronique et de Nanotechnologie, Univ. Lille, CNRS, Univ Polytechnique Hauts-de-France, Centrale Lille, UMR 8520, F-59000 Lille, France.
ACS omega
|February 23, 2026
Resumen
Los investigadores desarrollaron un novedoso tejido que proporciona termorregulación continua para el cuerpo humano a bajas temperaturas. Este tejido opaco visible modulador de infrarrojos (VOIMF) se puede voltear para ajustar la emisión de calor, ofreciendo comodidad térmica en un amplio rango de temperaturas.
Área de la Ciencia:
- Ciencia de Materiales
- Ingeniería Textil
- Ingeniería Térmica
Sus antecedentes:
- La termorregulación radiativa pasiva en textiles es crucial para la comodidad térmica.
- El desarrollo de tejidos avanzados para la termorregulación continua a bajas temperaturas sigue siendo un desafío importante.
Objetivo del estudio:
- Fabricar y caracterizar un tejido opaco visible modulador de infrarrojos (VOIMF) para una termorregulación pasiva mejorada.
- Demostrar la capacidad del tejido para proporcionar termorregulación continua a bajas temperaturas.
Principales métodos:
- Fabricación de un emisor bicapa que comprende una membrana de polietileno (PE) con micropartículas de dióxido de titanio (TiO2) y una capa de oro (Au) ultrafina.
- Caracterización de las propiedades ópticas y térmicas del tejido.
- Demostración de la emisividad sintonizable volteando el tejido.
Principales resultados:
- El VOIMF exhibe una emisividad sintonizable de infrarrojo medio, lo que permite la modulación del intercambio de calor con el medio ambiente.
- El tejido proporciona una zona de confort térmico en un rango de temperatura de aproximadamente 10 °C (6,7–16,8 °C).
- El VOIMF es opaco en el espectro visible y parece blanco debido a las micropartículas de TiO2, imitando las fibras naturales.
Conclusiones:
- El VOIMF desarrollado ofrece una solución prometedora para la termorregulación pasiva continua en textiles.
- La emisividad sintonizable y las propiedades estéticas del tejido lo hacen adecuado para diversas aplicaciones que requieren gestión térmica.
- Esta innovación representa un avance significativo en textiles inteligentes para la comodidad térmica personal.
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