| 纳米Zr-Ti-Al复合氧化物杂化PI薄膜的耐电晕性 |
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| 引用本文： | 范勇,谭及兰,谢艳红,李术林.纳米Zr-Ti-Al复合氧化物杂化PI薄膜的耐电晕性[J].哈尔滨理工大学学报,2014(4):59-62. |
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| 作者姓名： | 范勇 谭及兰 谢艳红 李术林 |
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| 作者单位： | 哈尔滨理工大学材料科学与工程学院,黑龙江哈尔滨150040 |
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| 摘 要： | 采用微乳化-热液法制备了一系列不同比例Zr-Ti改性的纳米氧化铝分散液,用原位聚合法分别制备了无机纳米杂化聚酰亚胺复合薄膜,研究不同的Zr-Ti比例对杂化薄膜的耐电晕性、电导电流及电老化阈值的影响.结果表明:复合薄膜的耐电晕性有明显提高,当Zr:Ti=2:3时,耐电晕寿命达到最大;电老化阈值随Ti含量的增加呈现先增大后减小的趋势.当Zr:Ti=3:2时,电老化阈值达到最大.
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| 关 键 词： | 聚酰亚胺薄膜 纳米杂化 耐电晕 电导电流 电老化阈值 |
Corona-resistance Property of PI Films Doped with Nano Zr-Ti-Al Composite Oxide |
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| FAN Yong,TAN Ji-lan,XIE Yan-hong,LI Shu-lin.Corona-resistance Property of PI Films Doped with Nano Zr-Ti-Al Composite Oxide[J].Journal of Harbin University of Science and Technology,2014(4):59-62. |
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| Authors: | FAN Yong TAN Ji-lan XIE Yan-hong LI Shu-lin |
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| Affiliation: | (College of Material Science and Engineering, Harbin University of Science and Technology, Harbin 150040, China) |
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| Abstract: | A series of nano-Alumina dispersions modified by different ratios of Zr-Ti were prepared by micro emulsion-hydrothermal method, and the corresponding inorganic nano-hybrid polyimide composite films were prepared through in-situ polymerization method. The effects of different ratio of Zr-Ti on corona-resistance were studied by measurements of conduction current and electrical degradation threshold of the hybrid films. The results showed that the corona-resistant performance of composite films significantly improved. When the ratio of Zr-Ti was 2 ： 3, the corona-resistant life achieves the best, the electrical degradation threshold showed increase trend at first and decrease afterward with the content of Ti increasing. When the ratio of Zr-Ti was 3：2, the electrical degradation threshold reaches maximum. |
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| Keywords: | polyimide film nano-hybrid corona-resistance conduction current electrical degradation threshold |
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