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. 2022 Dec 16;14(24):5526. doi: 10.3390/polym14245526

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© 2022 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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Surface photopolymerization of PEEK. (a) Mechanism of PEEK surface modification with grafted polymer chains via self-induced photopolymerization. (b) The effect of UV exposure time on surface friction of PEEK grafted with electrolyte polymer brushes. (c) Light microscope images of untreated PEEK and PEEK grafted with PolyMeOEGMA showed the antifouling characteristics of PolyMeOEGMA-g-PEEK against E. coli. (d) Illustration of tribological properties of PAA-g-PEEK with different grafting ratios under water lubrication. (b–d) were reprinted with permission from the literature [183,186,187].