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Polymers 2018, 10(10), 1147; https://doi.org/10.3390/polym10101147

The Influence of Fiber Cross-Section on Fabric Far-Infrared Properties

1
Institute of Textiles and Clothing, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China
2
Department of Applied Physics, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Received: 13 August 2018 / Revised: 27 September 2018 / Accepted: 12 October 2018 / Published: 14 October 2018
(This article belongs to the Special Issue Polymer Processing for Enhancing Textile Application)
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Abstract

Far-infrared radiation (FIR) possesses various promising properties that are beneficial to an individuals’ health. Exploring the interaction between fiber shapes and FIR performance is thought to be a significant means to develop highly-efficient FIR textile products. In this study, a non-additive triangular polyamide (PA) fiber showed excellent FIR properties in both theoretical simulation and experimental verification aspects. The triangular PA fiber affords a higher probability to facilitate large optical path difference, improving both FIR absorption and emission. Textiles woven with the specific triangular PA fiber achieved a remarkable emissivity of 91.85% and temperature difference of 2.11 Celsius, which is obviously superior to the reference circular fiber (86.72%, 1.52 Celsius). Considering the low cost, environmental stability, facile fabrication, as well as being environmentally friendly, this non-additive triangular PA fiber has great potential for high-performance and cost-effective FIR textiles in the future. View Full-Text
Keywords: far-infrared radiation; absorption and emission; cross-section; polyamide fiber far-infrared radiation; absorption and emission; cross-section; polyamide fiber
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Tao, Y.; Li, T.; Yang, C.; Wang, N.; Yan, F.; Li, L. The Influence of Fiber Cross-Section on Fabric Far-Infrared Properties. Polymers 2018, 10, 1147.

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