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Materials 2016, 9(2), 95; doi:10.3390/ma9020095

Effect of H2S Plasma Treatment on the Surface Modification of a Polyethylene Terephthalate Surface

Department of surface engineering, Jozef Stefan Institute, Jamova 39, Ljubljana 1000, Slovenia
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Academic Editor: Jonathan Phillips
Received: 18 January 2016 / Revised: 27 January 2016 / Accepted: 1 February 2016 / Published: 5 February 2016
(This article belongs to the Section Biomaterials)
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Abstract

H2S plasma created by an electrode-less radio-frequency discharge was used to modify the surface properties of the polymer polyethylene terephthalate. X-ray photoelectron spectroscopy, secondary ion mass spectrometry and atomic force microscopy were used to determine the evolution of the surface functionalities and morphology. A very thin film of chemically bonded sulfur formed on the surface within the first 10 s of treatment, whereas treatment for more than 20 s caused deposition of higher quantities of unbonded sulfur. The sulfur concentration reached a maximum of between 40 and 80 s of plasma treatment; at longer treatment times, the unbonded sulfur vanished, indicating instability of the deposited sulfur layer. Large differences in the surface morphology were observed. View Full-Text
Keywords: hydrogen sulfide (H2S); plasma treatment; polymer; polyethylene terephthalate (PET); surface modification hydrogen sulfide (H2S); plasma treatment; polymer; polyethylene terephthalate (PET); surface modification
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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MDPI and ACS Style

Vesel, A.; Kovac, J.; Primc, G.; Junkar, I.; Mozetic, M. Effect of H2S Plasma Treatment on the Surface Modification of a Polyethylene Terephthalate Surface. Materials 2016, 9, 95.

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