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Open AccessArticle

Fast Surface Hydrophilization via Atmospheric Pressure Plasma Polymerization for Biological and Technical Applications

Department of Physical Electronics, Faculty of Science, Masaryk University, Kotlarska 2, 611 37 Brno, Czech Republic
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Polymers 2019, 11(10), 1613; https://doi.org/10.3390/polym11101613
Received: 6 August 2019 / Revised: 26 September 2019 / Accepted: 30 September 2019 / Published: 4 October 2019
(This article belongs to the Special Issue Polymer Biointerfaces)
Polymeric surfaces can benefit from functional modifications prior to using them for biological and/or technical applications. Surfaces considered for biocompatibility studies can be modified to gain beneficiary hydrophilic properties. For such modifications, the preparation of highly hydrophilic surfaces by means of plasma polymerization can be a good alternative to classical wet chemistry or plasma activation in simple atomic or molecular gasses. Atmospheric pressure plasma polymerization makes possible rapid, simple, and time-stable hydrophilic surface preparation, regardless of the type and properties of the material whose surface is to be modified. In this work, the surface of polypropylene was coated with a thin nanolayer of plasma-polymer which was prepared from a low-concentration mixture of propane-butane in nitrogen using atmospheric pressure plasma. A deposition time of only 1 second was necessary to achieve satisfactory hydrophilic properties. Highly hydrophilic, stable surfaces were obtained when the deposition time was 10 seconds. The thin layers of the prepared plasma-polymer exhibit highly stable wetting properties, they are smooth, homogeneous, flexible, and have good adhesion to the surface of polypropylene substrates. Moreover, they are constituted from essential elements only (C, H, N, O). This makes the presented modified plasma-polymer surfaces interesting for further studies in biological and/or technical applications. View Full-Text
Keywords: polymer surface; polymer modification; deposition; plasma polymer; hydrophilization; superhydrophilic layers; atmospheric pressure plasma; polypropylene; surface free energy polymer surface; polymer modification; deposition; plasma polymer; hydrophilization; superhydrophilic layers; atmospheric pressure plasma; polypropylene; surface free energy
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Dvořáková, H.; Čech, J.; Stupavská, M.; Prokeš, L.; Jurmanová, J.; Buršíková, V.; Ráheľ, J.; Sťahel, P. Fast Surface Hydrophilization via Atmospheric Pressure Plasma Polymerization for Biological and Technical Applications. Polymers 2019, 11, 1613.

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