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Technical Textiles and Recent Developments
Published in Asis Patnaik, Sweta Patnaik, Fibres to Smart Textiles, 2019
The filtration efficiency of conventional indutech products such as non-woven filters is very good (90% for micron-sized particles). But when the particle sizes are in the nanometer range, these filters are not effective as the fine particles can pass through them (Maduna and Patnaik 2017; Zhang et al. 2016). In that case, nanofilters are very effective in preventing air pollution. Nanofibers have been used in filters for vehicle cabins, military vehicles, automobile air intakes, etc. (Agboola et al. 2014). Nanofibers are increasingly used in filtration due to their low basis weight, high specific surface area, small pore size and high pore interconnectivity.
Textile Fabrics
Published in Yasir Nawab, Syed Talha Ali Hamdani, Khubab Shaker, Structural Textile Design, 2017
These are the textiles that are produced for certain functional properties rather than decorative purposes. The technical textiles are classified into 12 different segments as follows (Horrocks and Anand 2000): agrotech (for agriculture and aquaculture), buildtech (for building and construction), clothtech (for clothing and footwear), geotech (for civil engineering and geotextiles), hometech (for household textiles), indutech (for industrial applications), meditech (for medical and hygiene), oekotech (environment-friendly products), packtech (for packaging), protech (for protection), sporttech (for sports and leisure), and mobiltech (for automobiles).
Upcycling textile wastes: challenges and innovations
Published in Textile Progress, 2021
Zunjarrao Kamble, Bijoya Kumar Behera
The semi-finished or finished textiles and textile products developed to confer particular performance characteristics are called technical textiles (Shishoo, 1997). Technical textiles are divided into twelve broad sectors based on their applications, namely, MobilTech, InduTech, SportTech, BuildTech, HomeTech, ClothTech, MediTech, AgroTech, ProTech, PackTech, OekoTech, and GeoTech (Industry Growth & Forecast 2027, n.d.). The technical textiles market is projected to grow from US$175.73 billion in 2019 to US$251.82 billion in 2027 (Precedence Research, n.d.). MobilTech (textiles used for automotive) has the highest market share compared to all other sectors due to the increasing demand for cars (Industry Growth & Forecast 2027, n.d.). However, the use of medical textiles as personal protective equipment (PPE) has tremendously increased due to COVID 19 pandemic in the last two years. The sustainable management of medical textiles waste is a great challenge in front of the world. The improper handling and disposal of medical wastes cause the transfer of viral pathogens to the recycling workers (Singh, Tang, & Ogunseitan, 2020). The polymer recovery from medical textile waste is challenging because of the need to eliminate any risk of infection to the recycling workers, however, continuing to employ single-use personal protective equipment (PPE) is not a sustainable practice. Studies have shown that techniques such as infusion of hydrogen peroxide vapour, ultraviolet or gamma-irradiation, ethylene oxide gasification, application of spray-on disinfectants, and infusion of base materials with antimicrobial nanoparticles are helpful to disinfect PPE kit for reuse (Price et al., 2020), but they are usually unsuitable for prolonging the life of the single-use filter facepiece respirators widely used in hospitals because many such treatments significantly reduce their effectiveness; even so a range of successful treatments have recently been identified (Morris & Murray, 2020).