| 银/聚偏氟乙烯电介质复合材料性能研究 |
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| 引用本文： | 翟月,徐海萍,代秀娟,秦艳丽,徐世豪,杨丹丹.银/聚偏氟乙烯电介质复合材料性能研究[J].上海第二工业大学学报,2018(1):42-47. |
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| 作者姓名： | 翟月 徐海萍 代秀娟 秦艳丽 徐世豪 杨丹丹 |
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| 作者单位： | 上海第二工业大学环境与材料工程学院;上海材料创新研究院 |
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| 基金项目： | 国家自然科学基金(51607109), 上海市自然科学基金(16ZR1412400, 15ZR1417100), 上海市科委科普项目- 新能
源与新材料(16DZ2348700), 上海第二工业大学校重点学科(XXKYS1601), 上海第二工业大学研究生项目基金
(EGD16YJ010)资助 |
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| 摘 要： | 采用溶液共混法制备银(Ag)/聚偏氟乙烯(PVDF)复合材料,研究了Ag粉体积分数及粒径对复合材料介电性能、击穿场强等的影响。结果表明,复合材料的介电常数随填料的体积分数的增加而增大,当Ag粉体积分数为17%时最佳,之后介电常数开始下降。在Ag粉体积含量相同条件下,添加小粒径Ag粉比大粒径Ag粉更有利于提高复合材料介电性能。X射线衍射分析结果表明,Ag在复合材料制备过程中无分解及氧化,适量填充Ag粉有助于复合材料击穿场强的提高。
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| 关 键 词： | 聚偏氟乙烯复合材料 体积分数 粒径 介电性能 击穿场强 |
Study on Properties of Ag/PVDF Dielectric Composites |
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| ZHAI Yue,XU Hai-ping,DAI Xiu-juan,QIN Yan-li,XU Shi-hao and YANG Dan-dan.Study on Properties of Ag/PVDF Dielectric Composites[J].Journal of Shanghai Second Polytechnic University,2018(1):42-47. |
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| Authors: | ZHAI Yue XU Hai-ping DAI Xiu-juan QIN Yan-li XU Shi-hao and YANG Dan-dan |
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| Affiliation: | School of Environmental and Material Engineering, Shanghai Polytechnic University,School of Environmental and Material Engineering, Shanghai Polytechnic University;Shanghai Innovation Institute for Materials,School of Environmental and Material Engineering, Shanghai Polytechnic University,School of Environmental and Material Engineering, Shanghai Polytechnic University,School of Environmental and Material Engineering, Shanghai Polytechnic University and School of Environmental and Material Engineering, Shanghai Polytechnic University;Shanghai Innovation Institute for Materials |
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| Abstract: | Ag/PVDF composites were prepared by solution blending method. The effects of measuring dielectric properties and
breakdown strength of composites with various Ag volume fractions and particles sizes were studied. The result showed that the
dielectric constant of composites increased with the raise of the volume fractions of Ag. The dielectric constant could reach to highest
when the volume fraction of Ag was 17%. Then the dielectric constant started to decline. The dielectric properties of the composites
added small Ag particles sizes were improved more than added the larger particles size. X-ray diffraction patterns showed that there
were not decomposition and oxidation of Ag in the preparation of composites. The breakdown strength of composites was increased by
adding appropriate amount of Ag in the PVDF. |
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| Keywords: | polyvinylidene fluoride (PVDF) composite volume fraction particle size dielectric property breakdown strength |
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