| Effects of plasma treatment time on modification of acrylic denture material |
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| 引用本文： | Huaiqin Zhang,Linjuan Liu,Jianglin Fang. Effects of plasma treatment time on modification of acrylic denture material[J]. 南京医科大学学报(自然科学版), 2007, 21(5): 337-340 |
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| 作者姓名： | Huaiqin Zhang Linjuan Liu Jianglin Fang |
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| 作者单位： | [1]Research Institute of Stomatology, Nanjing Medical University, Nanjing 210029, Jiangsu Province, China [2]Modern Analysis Centre, Nanjing University, Nanjing 210093, Jiangsu Province, China |
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| 基金项目： | This work was supported by Science Fund of Department of Education of Jiangsu Province（06KJD320125） |
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| 摘 要： | Objective：To study the relationship between plasma treatment time acrylic resin denture material in the size of 2 mm × 10 mm × 10 mm. and efficacy. Methods：Test specimens were prepared from an Plasma treatment was carried out on the surface of Polymethyl methacrylate（PMMA） at different time. XPS studies, IR spectra studies and measurement of wetting angle were performed. Results： XPS showed the peak corresponding to C-O getting higher as the treatment proceeded, however at 120 seconds, the peak did not increase any longer and partly crossed with the peak at the duration of 60 seconds. IR spectra showed the wave corresponding to C-H was reduced as O2-plasma treatment proceeded, and then changed little, Wetting angle initially decreased dramatically, however, as the reaction proceeded, wetting angle increased slightly. Conclusion：Equilibrium was reached for introducing oxygen-containing groups and changing of C-H. As the treatment proceeded, wetting angle increased slightly.
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| 关 键 词： | 等离子体处理 丙烯酸 假牙 牙科材料 |
| 收稿时间： | 2007-05-23 |
| 修稿时间： | 2007-05-23 |
Effects of plasma treatment time on modification of acrylic denture material |
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| Huaiqin Zhang,Linjuan Liu and Jianglin Fang. Effects of plasma treatment time on modification of acrylic denture material[J]. Acta Universitatis Medicinalis Nanjing, 2007, 21(5): 337-340 |
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| Authors: | Huaiqin Zhang Linjuan Liu Jianglin Fang |
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| Affiliation: | Research Institute of Stomatology, Nanjing Medical University, Nanjing 210029, Jiangsu Province, China;Research Institute of Stomatology, Nanjing Medical University, Nanjing 210029, Jiangsu Province, China;Modern Analysis Centre, Nanjing University, Nanjing 210093, Jiangsu Province, China |
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| Abstract: | Objective:To study the relationship between plasma treatment time and efficacy. Methods:Test specimens were prepared from an acrylic resin denture material in the size of 2 mm × 10 mm × 10 mm. Plasma treatment was carried out on the surface of Polymethyl methacrylate(PMMA) at different time. XPS studies, IR spectra studies and measurement of wetting angle were performed. Results: XPS showed the peak corresponding to C-O getting higher as the treatment proceeded, however at 120 seconds, the peak did not increase any longer and partly crossed with the peak at the duration of 60 seconds. IR spectra showed the wave corresponding to C-H was reduced as O2-plasma treatment proceeded, and then changed little. Wetting angle initially decreased dramatically, however, as the reaction proceeded, wetting angle increased slightly. Conclusion:Equilibrium was reached for introducing oxygen-containing groups and changing of C-H. As the treatment proceeded, wetting angle increased slightly. |
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| Keywords: | plasma modification acrylic denture material material denture acrylic modification treatment time plasma Equilibrium groups increased reaction Wetting wetting angle little wave crossed duration however peak Results spectra |
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