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Title: Adhesion improvement via surface functionalization of epoxy-resin base post by low temperature plasma
Authors: Waleepan Rakitikul
Vannajan Sanghiran Lee
Piriya Yavirach
Dheerawan Boonyawan
Piyarat Nimmanpipug
Keywords: Chemistry
Materials Science
Physics and Astronomy
Issue Date: 1-Jan-2015
Abstract: © 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. The adhesion between dental materials could be improved by an increase of interfacial polarity. In this study, low temperature plasma was used to treat an epoxy-based post. The surface modifications after treatment were characterized by X-ray photoelectron spectroscopy (XPS) which showed the existence of N, O- containing groups in the epoxy-based post. Furthermore, functionalization positions were proposed by Quantum Mechanic (QM) calculation. It could confirm the position that such a functional group was formed at hydroxyl group and alpha-carbon with an energy level around 93-97 kcal/mol through hydrogen abstraction reaction. Both experiments and calculations show consistent results indicating polar group formation on the surface after plasma treatments.
ISSN: 15213900
Appears in Collections:CMUL: Journal Articles

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