Development of a Color-Changing Face Mask for Fever Detection Applications

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F46747885%3A24410%2F25%3A00014211" target="_blank" >RIV/46747885:24410/25:00014211 - isvavai.cz</a>

Result on the web

<a href="https://doi.org/10.3390/ma18092042" target="_blank" >https://doi.org/10.3390/ma18092042</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.3390/ma18092042" target="_blank" >10.3390/ma18092042</a>

Result language

angličtina

Original language name

Development of a Color-Changing Face Mask for Fever Detection Applications

Original language description

This study focused on developing a color-changing fabric face mask for fever detection. Reversible Thermochromic Leuco dye (RTL) was applied as an indicator to alert wearers of elevated body temperatures, with the color change occurring at 37.5 degrees C. Five fabric types Polyethylene (PE), cotton (CO), a cotton-polyester blend (TC), polyester (PL), and Polyamide (PA) were coated with blue RTL to evaluate their color change responsiveness. The results showed that fabrics with higher thermal conductivity (lambda), thermal absorptivity (b), and heat flow (q) exhibited faster color transitions. RTL-coated PE fabric demonstrated the best performance, with a thermal absorptivity of 312.8 Ws0.5m-2K-1 and a heat flow of 2.11 Wm-2, leading to a rapid color-change time of approximately 4.20 s. Although PE fabric had a lower thermal conductivity (57.6 x 10-3 Wm-1K-1) compared to PA fabric 84.56 (10-3 Wm-1K-1), the highest thickness 0.65 mm of PA fabric slowed its color-change reaction to 11.8 s. When selecting fabrics for optimal heat transfer, relying solely on fiber type or thermal conductivity (lambda) is insufficient. The fabric‘s structural properties, particularly thickness, significantly impact thermal resistance (gamma). Experimental results suggest that thermal absorptivity and heat flow are more effective criteria for fabric selection, as they directly correlate with color-change performance.

Czech name

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Czech description

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Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

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OECD FORD branch

20500 - Materials engineering

Project

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Continuities

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year

2025

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

MATERIALS>

ISSN

1996-1944

e-ISSN

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Volume of the periodical

18

Issue of the periodical within the volume

9

Country of publishing house

CH - SWITZERLAND

Number of pages

24

Pages from-to

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UT code for WoS article

001486490900001

EID of the result in the Scopus database

2-s2.0-105005024744