Transactions of China Electrotechnical Society  2018, Vol. 33 Issue (10): 2245-2252    DOI: 10.19595/j.cnki.1000-6753.tces.151998
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MCM-41 Surface Modification and Trap Characteristic of MCM-41/EP Composites
Luo Pan1,2, Xu Man1, Wang Shaohui1, 3, Li Peng2, Zhang Yihan2, Xu Yang1, Xie Darong1
1. State Key Laboratory of Electrical Insulation and Power Equipment Xi’an Jiaotong University Xi’an 710049 China;
2. State Grid Henan Economic Research Institute Zhengzhou 450052 China;
3. Northwest Electric Power Design Institute Co. Ltd China Power Engineering Consulting Group Xi’an 710045 China;

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Abstract  In this paper, the MCM-41 was surface modified by the silane coupling agent KH550 before the preparation of MCM-41/EP nano-composite. Moreover, the thermogravimetric analysis, Fourier transform infrared spectroscopy, small angle X-ray diffraction and N2 adsorption-desorption isotherms were used to characterize the surface structure of MCM-41 before and after surface modification. The in-situ polymerization was employed to prepare the MCM-41/EP Nano-composite with different percentages of MCM-41. Then, the glass transition temperature of MCM-41/EP composite was measured by using the dynamic mechanical analyzer. The results showed that the glass transition temperature of MCM-41/EP composite increased with the increase of MCM-41 percentage. Finally, the trap parameter of the composite was measured by the thermally stimulated depolarization current. It was shown that, with the increase of MCM-41, the trap depth became shallow, and the quantity of trapped charge decreased significantly.
Key wordsMCM-41      surface modification      MCM-41/EP      glass transition temperature      trap characteristic     
Received: 09 December 2016      Published: 24 May 2018
PACS: TM215.1  
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Luo Pan
Xu Man
Wang Shaohui
Li Peng
Zhang Yihan
Xu Yang
Xie Darong
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Luo Pan,Xu Man,Wang Shaohui等. MCM-41 Surface Modification and Trap Characteristic of MCM-41/EP Composites[J]. Transactions of China Electrotechnical Society, 2018, 33(10): 2245-2252.
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