本文对比分析了传统法和微波辅助法合成的Mg（ OH）2对所制备的纳米MgO晶粒尺寸和表面形貌的影响，以及纳米MgO不同制备方法对MgO／LDPE纳米复合材料空间电荷、体积电阻率及直流击穿场强的影响．结果表明，传统法制备的纳米MgO晶粒尺寸为22．74 nm，微波辅助法制备的纳米MgO的晶粒尺寸为12．76 nm， MgO质量分数为2％时有效降低了复合材料内部空间电荷的积聚，对复合材料的体积电阻和击穿场强均有提高．
This article compares the traditional method with the microwave?assisted method of nano?MgO preparation, and analyses the influence of Mg(OH)2 synthesized by the two methods on nano?MgO grain size and surface morphology, as well as the influence of different nano?MgO preparation methods on space charge, volume resistivity and DC breakdown field strength of the MgO/LDPE nanocomposites. The results show that the grain size of nano?MgO prepared by the traditional method is 22.74 nm, while that prepared by the microwave?assisted method is 12. 76 nm. When the MgO content is 2wt%, it can effectively reduce the space charge accumulation in the composite materials, and improve the volume resistivity and DC breakdown field strength.
参考文献
| [1] | Hosier, IL;Vaughan, AS;Swingler, SG .An investigation of the potential of ethylene vinyl acetate/polyethylene blends for use in recyclable high voltage cable insulation systems[J].Journal of Materials Science,2010(10):2747-2759. |
| [2] | G. C. Montanari;P. H. F. Morshuis .Space charge Phenomenology in Polymeric Insulating Materials[J].IEEE transactions on dielectrics and electrical insulation: A publication of the IEEE Dielectrics and Electrical Insulation Society,2005(4):754-767. |
| [3] | 吴锴,陈曦,王霞,屠德民.高压直流电缆用纳米复合聚乙烯的研究[J].绝缘材料,2010(04):1-2,10. |
| [4] | 张耀君.纳米材料基础[M].北京:化学工业出版社,2011:99-102. |
| [5] | 王笃政,孙永杰,刘晓逾,向阳,王鹏.纳米氧化镁的制备工艺研究[J].粉末冶金工业,2012(06):49-53. |
| [6] | 李媛,王鹏,曹海雷.微波辅助酸化蒙脱土催化合成乳酸正丁酯的研究[J].材料科学与工艺,2012(01):49-52,57. |
| [7] | 王虹,王鹏,张杰峰.微波辅助制备掺铁纳米TiO2溶胶及其性能研究[J].材料科学与工艺,2010(04):545-549,554. |
| [8] | 刘志启,李丽娟,曾忠民,聂峰,柴林玉,陈运法.用水氯镁石制备单分散六角片状氢氧化镁[J].材料科学与工艺,2011(04):138-144. |
| [9] | 许珂,张保林,侯翠红,陈可可.纳米氧化镁制备工艺综述[J].无机盐工业,2007(06):7-9. |
| [10] | 张文龙,徐景文,吉超,戴亚杰,赵洪,王暄.均匀沉淀法制备纳米MgO[J].哈尔滨理工大学学报,2010(06):112-115. |
| [11] | 陈少卿,成霞,王霞,屠德民.纳米氧化锌/聚乙烯复合材料中空间电荷及体积电阻率的研究[J].绝缘材料,2007(02):48-50,53. |
| [12] | Yoshinobu Murakami;Masanori Nemoto;Syunsuke Okuzumi;Suguru Masuda;Masayuki Nagao;Naohiro Hozumi;Yoitsu Sekiguchi;Yoshinao Murata .DC Conduction and Electrical Breakdown of MgO/LDPE Nanocomposite[J].IEEE transactions on dielectrics and electrical insulation: A publication of the IEEE Dielectrics and Electrical Insulation Society,2008(1):33-39. |
| [13] | 王乐,徐曼,孙颖,鲁宁,曹晓珑.纳米银/环氧树脂复合物的电阻和击穿特性研究[J].绝缘材料,2006(04):37-40. |
| [14] | MONTANARI G;MORSHUIS P .Space Charge Phe-nomenology in Polymeric Insulating Materials[J].IEEE Trans Dielectrics EI,2010,12(04):754-763. |
| [15] | Tatsuo Takada;Yuji Hayase;Yasuhiro Tanaka;Tatsuki Okamoto .Space Charge Trapping in Electrical Potential Well Caused by Permanent and Induced Dipoles for LDPE/MgO Nanocomposite[J].IEEE transactions on dielectrics and electrical insulation: A publication of the IEEE Dielectrics and Electrical Insulation Society,2008(1):152-160. |
- 下载量()
- 访问量()
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%