用双溶液共混的方法制备了相同浓度的纳米SiOx/LDPE和微米SiO2/LDPE聚合物复合材料,利用傅立叶红外光谱对复合材料的分子间作用进行了测量.结果表明:聚乙烯分子链没有改变微米SiO2的谱峰,但对于纳米SiOx粒子,聚乙烯分子链使纳米SiOx的特征峰变宽、波数变小.采用PEA电声脉冲法对复合材料的空间电荷分布进行了测量,并对测试数据进行了分析.结果表明:纳米SiOx粒子的添加,使复合材料陷阱的能级变高,纳米SiOx/LDPE复合材料以异极性空间电荷为主,而微米SiO2/LDPE复合材料以同极性空间电荷为主.
参考文献
| [1] | Suh K.S.;Chang Ryong Lee .Electrical properties of chemically modified polyethylenes[J].IEEE transactions on dielectrics and electrical insulation: A publication of the IEEE Dielectrics and Electrical Insulation Society,1997(6):681-687. |
| [2] | Kwang S. Suh;Ho Gyu Yoon;Chang Ryong Lee;T. Okamoto;T. Takada .Space charge behavior of acrylic monomer-grafted polyethylene[J].IEEE transactions on dielectrics and electrical insulation: A publication of the IEEE Dielectrics and Electrical Insulation Society,1999(3):282-287. |
| [3] | Seung Hyung Lee;Jung-Ki Park .Space charge and electrical conduction in maleic anhydride-grafted polyethylene[J].IEEE transactions on dielectrics and electrical insulation: A publication of the IEEE Dielectrics and Electrical Insulation Society,1995(6):1132-1139. |
| [4] | Zhe Li;Yi Yin;Xiaobing Dong et al.The Slow Polarization Phenomena of Interfaces Between Particles of Micro-SiO2 or Nano-SiOx,and Low-density Polyethylene[R].上海:上海交通大学,2005. |
| [5] | Chen J;Yin Y;Li Z et al.Electrically Pre-stressing Phenomenon of High Field Conduction in Composite Flow-density Polyethylene/Nano-SiOx[J].Applied Physics,2005,44(02):940-947. |
| [6] | Seung Hyung Lee;Jung-Ki Park .The effect of low-molecular-weight species on space charge and conduction in LDPE[J].IEEE transactions on dielectrics and electrical insulation: A publication of the IEEE Dielectrics and Electrical Insulation Society,1997(4):425-432. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%