[1]杨书宇,范勇,陈昊,等. SiO2/聚酰胺酰亚胺纳米复合材料的介电与热性能[J].哈尔滨理工大学学报,2019,(03):123-129.[doi:10.15938/j.jhust.2019.03.020]
 YANG Shu yu,FAN Yong,CHEN Hao,et al. Dielectric and Thermal Properties of SiO2/Polyamideimide Nanocomposites[J].哈尔滨理工大学学报,2019,(03):123-129.[doi:10.15938/j.jhust.2019.03.020]
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 SiO2/聚酰胺酰亚胺纳米复合材料的介电与热性能()
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《哈尔滨理工大学学报》[ISSN:1007-2683/CN:23-1404/N]

卷:
期数:
2019年03期
页码:
123-129
栏目:
材料科学与工程
出版日期:
2019-06-24

文章信息/Info

Title:
 Dielectric and Thermal Properties of SiO2/Polyamideimide Nanocomposites
文章编号:
1007-2683(2019)03-0123-07
作者:
 杨书宇范勇陈昊杨瑞宵郭佳
 (哈尔滨理工大学 材料科学与工程学院,黑龙江 哈尔滨 150040)
Author(s):
 YANG ShuyuFAN YongCHEN HaoYANG RuixiaoGUO Jia
 (School of Material Science and Engineering,Harbin University of Science and Technology,Harbin 150040,China)
关键词:
 聚酰胺酰亚胺纳米SiO2介电性能热性能
Keywords:
 polyamideimide nanoSiO2 dielectric properties thermal property
分类号:
TM215.3
DOI:
10.15938/j.jhust.2019.03.020
文献标志码:
A
摘要:
 采用微乳化-相转变法制备纳米SiO2分散液,与聚酰胺酰亚胺树脂机械共混并流延成膜,制成不同纳米含量的复合材料。采用透射电子显微镜(TEM)和傅里叶变换红外光谱(FT-IR)对材料进行表征,按照IEC60343的标准测试了材料的耐电晕寿命和其它介电性能,并进行了热重分析。结果表明,纳米粒子在PAI基体中分散均匀且反应完全;加入纳米粒子提高了材料的热稳定性;随纳米粒子含量的增加,电导率、介电常数和介质损耗均发生有规律的变化,PAI复合材料的耐电晕寿命随SiO2含量的增加而增加,纳米粒子含量达到20%时,耐电晕寿命为17.35h,是纯PAI材料的8倍以上;击穿强度随纳米粒子含量的增加而减小。
Abstract:
 The nanoSiO2 dispersions were prepared by microemulsificationphase transformation method and mechanically blended with polyamideimide resin, and then cast into films with different nanocontents Nanocomposite films were characterized by transmission electron microscopy (TEM) and Fourier transform infrared spectroscopy (FT-IR). The corona resistance life and other dielectric properties of the material were tested in accordance with the IEC60343 standard and thermogravimetric analysis was carried out. The results show that nano SiO2 particles are uniformly dispersed in PAI matrix and materials reacted completely.The thermal stability of the composites are enhanced by adding nano particles With the increase of SiO2 content, the electrical conductivity, dielectric constant and dielectric loss changes regularly. Compared with pure PAI, the corona resistance life of nanocomposite with 20% SiO2 is 17.35h, which increases more than eight times.  However, the breakdown strength of nanocomposites is a little lower with increase of nanoSiO2 loading.

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备注/Memo

备注/Memo:
 收稿日期: 2017-06-29
基金项目: 国家自然科学基金(51277044)
作者简介:
杨书宇(1992—),男,硕士研究生;
陈昊(1982—),男,讲师
通信作者:
范勇(1953—),男,教授,博士研究生导师,E-mail:fyzf318@163com
更新日期/Last Update: 2019-06-20