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多壁碳納米管的輻照處理及其對環(huán)氧樹脂熱性能的影響Irradiation treatment of multiwalled carbon nanotubes and its effect on the thermal properties of their composites with epoxy resin
作者:,陳雅君, 楊春壯, 郭正虹, 張艷, 程捷, 方征平*
關(guān)鍵字:carbon nanotubes,epoxy resin,thermal properties
論文來源:期刊
具體來源:新型炭材料New Carbon Materials, 2012.2, 27(1): 67-73
發(fā)表時間:2012年

Multi-walled carbon nanotubes (MWNTs) was irradiated with high-energy electron beams in different doses. The structure of irradiated MWNTs was characterized by Fourier transform infrared spectroscopy, X-ray energy dispersion spectroscopyRaman spectroscopy and transmission electron microscopy. The results show that some oxygenous groups covalently bonded on the MWNTs. The nanotubes collapsed and even broke after irradiation. The effect of irradiated MWNTs on epoxy was studied and compared with that of non-irradiated MWNTs. It was found that the irradiated MWNTs were easier to be dispersed and could improve the glass transition temperature and initial decomposing temperature of epoxy resin. Addition of 0.5wt% MWNT irradiated with 170KGy into epoxy resin improved the glass transition temperature by 8 and the initial decomposing temperature by 14 , respectively.

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