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Designing of Hierarchical Comb Hydrophilic Polymer Brush (HCHPB) Surfaces Inspired by Fish mucus for anti-biofouling

Abstract

Anti-biofouling surfaces are of high importance owing to their crucial roles in biosensors, biomedical devices, especially in the marine industry. However, traditional anti-biofouling surfaces which based on either the release of biocidal compounds or surface peeling will contaminate the environment. The outstanding performances of natural anti-biofouling surfaces motivate the development of new bioinspired antifouling surfaces. Herein, a universal strategy inspired by the special performance of fish skin mucus is proposed for rationally designing anti-biofouling surfaces by grafted hierarchical comb hydrophilic polymer brush (HCHPB) on plastics and elastomers. The results show that the plastics membrane surface grafted PAA(polyacrylic acid)-g-PEG(polyethylene glycol) (MW 2000, 6000, 11000 Da) exhibits excellent hydrophilic and underwater oleophobic properties, and also shows the good performance of lubricity and drag reduction in the water, this can be attributed to the HCHPB and the nano structure on plastics surface. In addition, the modified membrane shows a superior and long-lasting anti-biofouling property to resist the adhesion of algae compared to the initial membrane. This comprehensive investigation is of great importance to understand physicochemical properties of hierarchical comb hydrophilic polymer brush and the mechanism to against the adhesion of marine microorganism.

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Publication details

The article was received on 14 Dec 2018, accepted on 11 Jan 2019 and first published on 12 Jan 2019


Article type: Paper
DOI: 10.1039/C8TB03278E
Citation: J. Mater. Chem. B, 2019, Accepted Manuscript
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    Designing of Hierarchical Comb Hydrophilic Polymer Brush (HCHPB) Surfaces Inspired by Fish mucus for anti-biofouling

    X. Su, D. Hao, Z. Li, X. Guo and L. Jiang, J. Mater. Chem. B, 2019, Accepted Manuscript , DOI: 10.1039/C8TB03278E

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