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Surface modification of ultra-high molecular weight polyethylene (UHMWPE) by argon plasma |
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| Authors: | Hengjun Liu Dong Xie Xingrui Deng Yong Jin Nan Huang |
| Affiliation: | a Key Laboratory for Advanced Technologies of Materials, Ministry of Education, School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China b School of Physical Science and Technology, Southwest Jiaotong University, Chengdu 610031,China c Interventional Therapy Department, The Second Affiliated Hospital, Soochow University, Suzhou 215004, China |
| Abstract: | In this work, argon (Ar) plasma generated by microwave electron cyclotron resonance (MWECR) has been used to modify the UHMWPE in order to increase the wear resistance. The results showed that the wettability, anti-scratch and wear resistance of UHMWPE treated by the Ar plasma had been improved, comparing with native UHMWPE. The FTIR and XPS spectra indicated the improvement of wettability should come from the oxygen based functional groups generated on the surface of UHMWPE. The improvement of anti-scratch and wear resistance may come from the enhancement of crosslinking of UHMWPE by Ar plasma treatment. |
| Keywords: | UHMWPE Argon plasma Surface modification Wear resistance |
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