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Multifunctional fabrics finished using electrosprayed hybrid Janus particles containing nanocatalysts

Hou, J; Yang, Y; Yu, DG; Chen, Z; Wang, K; Liu, Y; Williams, GR; (2021) Multifunctional fabrics finished using electrosprayed hybrid Janus particles containing nanocatalysts. Chemical Engineering Journal , 411 , Article 128474. 10.1016/j.cej.2021.128474. (In press).

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Williams_R1 - CEJ-D-20-15100 Main manuscript GRW.pdf - Accepted version
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Abstract

There is great market demand for fabrics equipped with multiple functionalities. However, most methods to impart these properties to a pristine fabric are complicated, time-consuming, and expensive. In this work, Janus particles with one side comprising TiO2 nanoparticles (NPs)-PVDF (poly (vinylidene fluoride)) and the other an epoxy resin (TPE) were deposited on a fabric surface. The aim was to endow the fabric with the superhydrophobic, UV resistance, and antimicrobial properties. The Janus particles were firmly attached to the fabrics through the adhesion effects of the epoxy resin. Characterization by XRD, SEM, EDX, and FTIR verified the successful finishing of the fabric with TPE particles. The ultraviolet protection factor increased from 7.86 for the pristine fabric to 733 after finishing. The finished fabric also exhibited superhydrophobic properties, with a water contact angle of 152°. Further, the coating of the fabric did not hamper its gas permeability. Potent antibacterial properties against E. coli were observed owing to the antibacterial properties of TiO2 under pre-irradiation by UV light. The protocols reported here provide a new platform for the nano-finishing of fabrics, allowing new functions to be imparted without compromising.

Type: Article
Title: Multifunctional fabrics finished using electrosprayed hybrid Janus particles containing nanocatalysts
DOI: 10.1016/j.cej.2021.128474
Publisher version: http://dx.doi.org/10.1016/j.cej.2021.128474
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Janus particle, Side-by-side electrospraying, Nano-finishing, Multifunctional fabrics
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Life Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Life Sciences > UCL School of Pharmacy
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Life Sciences > UCL School of Pharmacy > Pharmaceutics
URI: https://discovery.ucl.ac.uk/id/eprint/10119570
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