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Fabrication of new multifunctional cotton-modal-recycled aramid blended protective textiles through deposition of a 3D-polymer coating: high fire retardant, water repellent and antibacterial properties
Department of Organic Material Science and Engineering, Pusan National University, Busan 46241, South Korea.
University of Borås, Faculty of Textiles, Engineering and Business. Department of Textile Engineering, Southeast University, Dhaka 1215, Bangladesh.ORCID iD: 0000-0003-2820-1333
Department of Textile Engineering, Southeast University, Dhaka 1215, Bangladesh.
Department of Organic Material Science and Engineering, Pusan National University, Busan 46241, South Korea.
2020 (English)In: New Journal of Chemistry, ISSN 1144-0546, E-ISSN 1369-9261, Vol. 44, no 28, p. 12122-12133Article in journal (Refereed) Published
Abstract [en]

This study reports a facile fabrication of multifunctional cotton-modal-recycled aramid blended protective textiles through the deposition of a three-dimensional tetrakis(hydroxymethyl)phosphonium chloride (THPC)-urea polymer coating. For this, blended fabrics with different compositions, weaving structures, thicknesses, GSMs and thread densities have been fabricated, followed by chemical deposition of the THPC-urea polymer coating on the fibrils of the yarn and then in the amorphous region through ammonia treatment. Full characterization of the resulting fabrics through SEM and FTIR allowed confirmation of the deposition of THPC-urea on each blended fabric. Treated and untreated samples were evaluated for their water repellency, flame retardance and antibacterial properties through diverse experimental tools. The results show that the lowest average char length (warp - 3.18 cm, weft - 2.84 cm) and radiant heat flux density (11.021 kW m<SUP>-2</SUP>), and highest LOI% (36.8%), were found in the 40%-cotton-30%-modal-30% aramid fabric, whereas the best thermal protective performance (t<INF>12</INF>- 4.0 s,t<INF>24</INF>- 5.9 s) was observed in the fabric with a high thickness and GSM. Regarding the water repellent properties, all treated samples showed superior water repellence properties expressed as water contact angle (theta<INF>H<INF>2</INF>O</INF>) as high as 141.70 degrees to 151.50 degrees. Besides, the 3D polymer coating deposited on blended fabrics exhibited high antibacterial properties (99.90%) againstStaphylococcus aureusATCC 6538 andKlebsiella pneumoniaeATCC 4352 as calculated according to the KS K 0693:2016 method. These results herein provide fundamental grounds to design blended textiles with necessary functionalities for smart and protective applications.

Place, publisher, year, edition, pages
Royal Society of Chemistry, 2020. Vol. 44, no 28, p. 12122-12133
National Category
Chemical Sciences
Identifiers
URN: urn:nbn:se:hb:diva-24828DOI: 10.1039/d0nj02142cISI: 000550065200023Scopus ID: 2-s2.0-85088594332OAI: oai:DiVA.org:hb-24828DiVA, id: diva2:1521793
Available from: 2021-01-25 Created: 2021-01-25 Last updated: 2021-10-21Bibliographically approved

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Morshed, Mohammad Neaz

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