A review of textiles reflecting FIR produced by the human body
Author:
Militký Jiří1, Křemenáková Dana1, Venkataraman Mohanapriya1, Večerník Josef2, Martínková Lenka3, Marek Jan3, Procházka Jiří4
Affiliation:
1. Department of Material Engineering, Faculty of Textile Engineering, Technical University of Liberec , Liberec , Czech Republic 2. Večerník s.r.o. , Alšovice , Czech Republic 3. Inotex, s.r.o. , Dvůr Králové n/L , Czech Republic 4. SINTEX, a.s. , Moravská 1078, Česká Třebová , Czech Republic
Abstract
Abstract
The human body constantly produces thermal electromagnetic radiation with a maximum of about 10 µm. This thermal radiation has a number of positive effects on the human body and, in addition, allows the insulation under clothing to be improved under extreme climatic conditions, causing a significant reduction in ambient temperature. With so-called far-infrared (FIR) textiles, it is possible to ensure the reflection of thermal radiation back to the human body. In the first part of this review, the generation of heat by the human body and its propagation by radiation through the skin are comprehensively explained. The thermal characteristics of the individual skin layers as an emitter of infrared radiation are given. The second part discusses the basic preparation methods of FIR textiles. Suitable particle systems are described based on metals and their oxides, porous carbon, and special ceramics. Modification of the fiber phase (especially the fineness of the fibers and the porosity of the fabric) in combination with the surface coating of metals is also used for their health-promoting effects. The main manufacturers of FIR textiles and their typical products are mentioned.
Publisher
Walter de Gruyter GmbH
Subject
General Materials Science
Reference41 articles.
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