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Polymers 2017, 9(12), 660; https://doi.org/10.3390/polym9120660

Coating of TPU-PDMS-TMS on Polycotton Fabrics for Versatile Protection

School of Fashion and Textiles, RMIT University, Melbourne 3056, Australia
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Received: 10 November 2017 / Revised: 27 November 2017 / Accepted: 28 November 2017 / Published: 30 November 2017
(This article belongs to the Special Issue Textile and Textile-Based Materials)
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Abstract

This research aims to develop a non-fluorine based and durable coating technology that brings excellent hydrophobic, oleophobic and aqueous liquid repellent properties to polycotton fabrics (blend ratio 80/20 for cotton/polyester) while maintaining comfort to an acceptable level. A crosslinked network from thermoplastic polyurethane (TPU), polydimethylsiloxane (PDMS) and trimethylated silica (TMS) has been formed on the surface of polycotton fabrics by the conventional padding-knife coating-padding-curing technique. A series of characterizations have been conducted to understand the chemical components, morphology, versatile protection and comfort of the coated fabrics. The TPU-PDMS-TMS (TPT) coated fabrics showed a high hydrophobic surface with a high water contact angle of 142°, and the coating was durable against different cycles of laundering and crocking. The coated fabrics also showed excellent repellency against oils, liquids and chemicals for a long period of time. The coating has affected the air permeability and water vapor permeability together with the moisture management property of the polycotton fabrics, and the thermal resistance of the polycotton fabric has been enhanced at the same time. The coating technology developed can be further applied in protective clothing and functional textiles in different areas including military, mining and outdoor protection gear. View Full-Text
Keywords: polycotton; superhydrophobic; oil; chemical; comfort polycotton; superhydrophobic; oil; chemical; comfort
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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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Moiz, A.; Padhye, R.; Wang, X. Coating of TPU-PDMS-TMS on Polycotton Fabrics for Versatile Protection. Polymers 2017, 9, 660.

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