Effect of content on dielectric performance of polyimide / TiO2 hybrid films

机译：含量对聚酰亚胺/ TiO 2 杂种膜的介电理性能的影响

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In situ polymerized polyimide/TiO2 composite films with good electrical performance are studied. These nanocomposite films are also characterized by scanning electron microscopy (SEM). SEM analyses show that the spherical shaped titania particles and the ceramic particles distribute uniformly in the matrix of hybrid film. Dielectric properties of the films are measured in the frequency range of 102Hz-105 Hz by an impedance analyzer at room temperature. The dielectric constant varies with the sweeping frequency and filler content and it decreases with sweeping frequency. It is demonstrated that the breakdown strength reaches its maximum value when the content of filled TiO2 is 0.5 wt.%, and then decreases with the increase of the concentration of the filler.

机译：在原位聚合的聚酰亚胺/ TiO 2 具有良好电气性能的复合薄膜。这些纳米复合膜的特征还在于扫描电子显微镜（SEM）。 SEM分析表明，球形二氧化钛颗粒和陶瓷颗粒在混合膜的基质中均匀地分布。在室温下阻抗分析仪在102Hz-105Hz的频率范围内测量膜的介电性质。介电常数随着扫描频率和填充物含量而变化，并且随着扫描频率而降低。结果表明，当填充TiO 2 为0.5重量％时，击穿强度达到其最大值。随后随着填料浓度的增加而降低。

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《International Conference on Electronic and Mechanical Engineering and Information Technology》|2011年||共3页
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Liu Xiaoxu; Yin Jinghua; Chen Minghua; Feng Yu; Li Guang;
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中图分类 TP39-53;
关键词
Polyimide/TiOlt; infgt; 2lt; /infgt; content; dielectric performance;

机译：聚酰亚胺/ TiO＆lt;Inf＆gt;2＆lt;/ inf＆gt;介电性能;

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Effect of content on dielectric performance of polyimide / TiO2 hybrid films

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