期刊
SURFACE & COATINGS TECHNOLOGY
卷 294, 期 -, 页码 201-209出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.surfcoat.2016.03.054
关键词
Adhesion; Dielectric barrier discharge; PMMA bone cement; PMMA plasma polymerization; Titanium implants
资金
- European Research Council under the European Union's Seventh Framework Program (FP)/ERC Grant [279022]
- Research Foundation-Flanders (FWO) [1513613N]
In this work, methyl methacrylate based coatings are deposited on Ti, using an atmospheric pressure DBD plasma to improve the Ti-PMMA bone cement interfacial adhesion. Surface analysis (XPS, AFM, optical reflectance spectroscopy) indicates a well-controlled deposition process of long-term water-stable coatings with good tunability towards thickness and functional group retention. Different sample series, both plasma activated and plasma coated, immobilized in bone cement, are submitted to pull-out tests. Results show a maximum increase of 50% in adhesive force. Ageing tests show that plasma-treated samples return to their original adhesive properties within 14 days, while plasma-coated samples maintain stability. (C) 2016 Elsevier B.V. All rights reserved.
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