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Polymers 2018, 10(4), 445; https://doi.org/10.3390/polym10040445

Non-Leachable Hydrophilic Additives for Amphiphilic Coatings

University of Southern Brittany, EA 3884, Laboratoire de Biotechnologie et Chimie Marines (LBCM), Institut Universitaire Européen de la Mer IUEM, F-56100 Lorient, France
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Received: 23 March 2018 / Revised: 11 April 2018 / Accepted: 12 April 2018 / Published: 16 April 2018
(This article belongs to the Special Issue Siloxane-Based Polymers)
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Abstract

Amphiphilic surfaces are particularly effective at inhibiting the adhesion of microorganisms (bacteria, cells, microalgae, etc.) in liquid media. The aim of this study is to determine the best hydrophilic linker to promote bonding between poly(ethylene glycol) (PEG) as a hydrophilic additive and poly(dimethyl siloxane) (PDMS) as the hydrophobic matrix. Various parameters have been studied (molecular weight, linker type, and polymer end-group), as well as the efficiency of the linking, the capacity of PEG to access to the surface of the film, and overall film homogeneity. According to the results, a PDMS linker paired with a PEG moiety allows for compatibilization of the compounds during cross-linking. This compatibilization seems to provide a good bonding with the matrix and a good surface access to the hydrophilic moiety. Therefore, this structure comprising a linking function attached to the PDMS–PEG copolymer has high potential as a non-releasable additive for amphiphilic coating applications. View Full-Text
Keywords: poly(ethylene glycol) (PEG); hydrophilic; non-releasable; polydimethylsiloxane; coatings; cross-linking; surface; amphiphilic; anti-bioadhesion poly(ethylene glycol) (PEG); hydrophilic; non-releasable; polydimethylsiloxane; coatings; cross-linking; surface; amphiphilic; anti-bioadhesion
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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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Gillet, G.; Azemar, F.; Faÿ, F.; Réhel, K.; Linossier, I. Non-Leachable Hydrophilic Additives for Amphiphilic Coatings. Polymers 2018, 10, 445.

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