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Improve the physical and chemical properties of biocompatible polymer material by MeV He ion beam |
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| Authors: | AM Abdul-Kader YA El-Gendy Awad A Al-Rashdy |
| Institution: | 1. Umm Al-Qura University, University College, Physics Department, Alqunfoza, Saudi Arabia;2. Helwan University, Faculty of Science, Physics Department, Ain Helwan, Helwan, Egypt;3. Umm Al-Qura University, University College, Chemistry Department, Alqunfoza, Saudi Arabia;1. Department of Engineering Materials, University of Sheffield, Mappin Street, Sheffield, S1 3JD, United Kingdom;2. Nuclear Physics Institute, Czech Academy of Sciences, CZ-250 68 Rez near Prague, Czech Republic;3. Institute of Materials Chemistry, Brno University of Technology, Purkynova 118, CZ-612 00 Brno, Czech Republic;1. Department of Podiatry, Department of Surgery, St. Elizabeth Health Center, Youngstown, Ohio, USA;2. The Ankle and Foot Care Centers, Youngstown, Ohio 44512, USA;3. Resident, Heritage Valley Health Systems, Beaver, PA, USA;1. School of Physics and Optoelectronic Engineering, Nanjing University of Information Science and Technology, Nanjing 210044, China;2. Mechanical Engineering Department, Eastern Mediterranean University, TRNC, Mersin-10, Turkey |
| Abstract: | There is a high interest in improving the hydrophilicity of polymer surfaces due to their wide use for technological purposes. In this study Ultra High Molecular Weight Polyethylene (UHMWPE) as a biocompatible material was bombarded with 1 MeV He ions to the fluences ranging from 1×1013 to 5×1014 cm?2. The pristine and ion beam modified samples were investigated by photoluminescence (PL), ultraviolet–visible (UV–vis) spectroscopy and Fourier Transform Infrared Spectroscopy (FTIR). The changes of wettability and surface free energy were determined by the contact angle measurements. The obtained results showed that the ion bombardment induced decrease in integrated luminescence intensity and decrease in the transmittance with increase of ion fluence as well. This is might be attributed to degradation of polymer surface and/or creation of new electronic levels in the forbidden gap. The FTIR spectral studies indicate that the ion beam induces chemical modifications within the bombarded UHMWPE. Formation of carbonyl groups (C=O) on the polymer surface was studied. Direct relationship of the wettability and surface free energy of the bombarded polymer with the ion fluences was observed. |
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