| Study on controlled photodegradable isotactic polypropylene composites containing nano-TiO2 |
| 關鍵詞： |
photo degradation accelerated weathering polypropylene titanium dioxide nano-particle |
| 類 別： |
塑料 >> 環境降解塑料 |
| 來 源： |
2005年新型纖維與聚合物材料國際學術會議（2005.10.19-21 上海） |
| 資料類型： |
pdf文件 |
| 資料大小： |
494K |
| 簡 介： |
Photo accelerated oxidative degradation or accelerated weathering of isotactic polypropylene (iPP) composites containing different contents of TiO2 nano-particles was studied bu mechanical property monitoring. Fourier transform infrared microscopy (FTIR) and scanning electronic microscopy (SEM). The comparison of the photodegradation of the composites with that of blank iPP clearly illustrated that nano-particles of titanium dioxide in the iPP matrix exhibits a photocatalytic effect in the artificial accelerated weathering tests, and can be used as an effective photosensitizer. Both the speed of the photo oxidative degradatio nd the induction period of the iPP composites can be controlled to a certain degree by changing the cont nt of the photosensitizer. |
| 上傳人： |
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| 上傳時間： |
2007-08-13 14:05:35 |
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26 |
| 消耗積分： |
2 |
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