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Open AccessArticle

Low Energy Implantation of Carbon into Elastic Polyurethane

1
Laboratory of Micromechanics of Media with Inhomogeneous Structure, Institute of Continuous Media Mechanics UB RAS, Academika Koroleva st., 1, Perm 614013, Russia
2
Charged-Particle Beams Laboratory, Institute of Electrophysics UB RAS, Amundsen st., 106, Ekaterinburg 620016, Russia
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Faculty of physical chemistry, Perm State University, Bukireva st. 15, Perm 614990, Russia
4
Laboratory of Multiphase Dispersive Systems, Institute of Technical Chemistry UB RAS, Academika Koroleva st., 3, Perm 614013, Russia
*
Author to whom correspondence should be addressed.
Coatings 2020, 10(3), 274; https://doi.org/10.3390/coatings10030274
Received: 15 February 2020 / Revised: 12 March 2020 / Accepted: 13 March 2020 / Published: 16 March 2020
(This article belongs to the Section Surface Characterization, Deposition and Modification)
Ion modification of polymeric materials requires gentle regimens and subsequent investigation of mechanical and deformation behavior of the surfaces. Polyurethane is a synthetic block copolymer: A fibrillar hard phase is inhomogeneoulsy distributed in a matrix of soft phase. Implantation of carbon ions into this polymer by deep oscillation magnetron sputtering (energy—0.1–1 keV and dose of ions—1014–1015 ion/cm2) forms graphene-like nanolayer and causes heterogeneous changes in structural and mechanical properties of the surface: Topography, elastic modulus and depth of implantation for the hard/soft phase areas are different. As a result, after certain treatment regimens strain-induced defects (nanocracks in the areas of the modified soft phase, or folds in the hard phase) appear on the surfaces of stretched materials. Treated surfaces have increased hydrophobicity and free surface energy, and in some cases show good deformability without any defects. View Full-Text
Keywords: ion implantation; polyurethane; stiffness; deformability ion implantation; polyurethane; stiffness; deformability
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Morozov, I.A.; Kamenetskikh, A.S.; Beliaev, A.Y.; Scherban, M.G.; Kiselkov, D.M. Low Energy Implantation of Carbon into Elastic Polyurethane. Coatings 2020, 10, 274.

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