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Title: Addressing skin abrasions on artificial turfs with zwitterionic polymer brushes
Authors: Tay, Sock P.
Fleming, Paul R.
Forrester, Stephanie E.
Hu, Xiao
Issue Date: 2016
Publisher: © The Royal Society of Chemistry
Citation: TAY, S.P. ... et al., 2016. Addressing skin abrasions on artificial turfs with zwitterionic polymer brushes. RSC Advances, 6 (39), pp. 32446 - 32453
Abstract: To address the skin-friendliness of synthetic surfaces intended for sports applications, the frictional properties of hydrated zwitterionic polymer brushes are investigated outside of the common aqueous environment where an excess of lubricating water molecules is absent. Photo-grafted poly(sulfobetaine methacrylate) (pSBMA) brushes of various irradiation durations are prepared on polypropylene substrates and the improvement in frictional properties of the pSBMA-modified surfaces against a silicone skin counter-surface is studied. Frictional measurements under both dry and hydrated surface conditions shows that the applied surface modification was capable of forming a stable lubrication layer in the absence of excess water, significantly reducing the coefficient of friction by up to 78.8%. The pSBMA brushes also provide the additional advantage of antifouling – exhibiting resistance towards pathogenic Staphylococcus aureus with almost zero surface colonization for samples irradiated for 1200 s. The low skin-sample friction under ambient conditions and desirable fouling-resistance highlights the potential of pSBMA brushes as a modification strategy for achieving skin-friendly surfaces targeted at reducing the risk of skin abrasions.
Description: This paper was accepted for publication in the journal RSC Advances and the definitive published version is available at http://dx.doi.org/10.1039/C5RA26194E.
Sponsor: The authors would like to thank the Energy Research Institute, Nanyang Technological University (ERI@N) for kindly providing access to the microtribometer and the Facility for Analysis, Characterization, Testing and Simulation (FACTS) for providing access to the FESEM imaging equipment. Special thanks to Dr Ronn Goei from the Nanyang Environment and Water Research Institute (NEWRI) for helping with the XPS analysis. This study is part of a Ph. D. program under the Institute for Sports Research (ISR), Nanyang Technological University, Singapore.
Version: Accepted for publication
DOI: 10.1039/C5RA26194E
URI: https://dspace.lboro.ac.uk/2134/21128
Publisher Link: http://dx.doi.org/10.1039/C5RA26194E
Appears in Collections:Published Articles (Architecture, Building and Civil Engineering)

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