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材料工程  2014, Vol. 0 Issue (8): 27-31    DOI: 10.11868/j.issn.1001-4381.2014.08.005
  材料与工艺 本期目录 | 过刊浏览 | 高级检索 |
表面处理对CCTO/PVDF复合材料介电性能的影响
宋洪松, 赵天宇, 杨程
北京航空材料研究院, 北京 100095
Effect of Surface Treatment on Dielectric Properties of CCTO/PVDF Composites
SONG Hong-song, ZHAO Tian-yu, YANG Cheng
Beijing Institute of Aeronautical Materials, Beijing 100095, China
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摘要 分别用十二烷基苯磺酸钠(SDBS)、十二烷基硫酸钠(SDS)和双-(γ-三乙氧基硅基丙基)四硫化物(Si69)对CaCu3Ti4O12 (CCTO)进行处理,采用溶液法制备处理后的CCTO/聚偏氟乙烯(PVDF)复合材料。采用XRD和SEM对复合材料的物相及微观结构进行分析,研究复合材料的介电性能与CCTO表面处理的关系。结果表明:经过表面处理的CCTO添加到PVDF中,提高了PVDF的介电常数,尤其是采用Si69处理的CCTO/PVDF复合材料,在1000Hz下介电常数达到了85,是不经过改性的CCTO/PVDF复合材料的5倍。
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宋洪松
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关键词 表面处理介电性能复合材料    
Abstract:The calcium copper titanate (CaCu3Ti4O12, CCTO) ceramic particles were treated by dodecyl benzenesulfonic acid, sodium salt (SDBS), sodium dodecyl sulfate(SDS) and bistetrasulfide (Si69), the CCTO/polyvinylidene fluoride (PVDF) composites were prepared with solution method. The phase and microstructure of the composites were investigated by X-ray diffraction (XRD) and scanning electron microscopy(SEM). The relation between dielectric properties of composites and surface treatment of CCTO was discussed. The results indicate that the dielectric constant of PVDF increases when CCTO is surface treated, especially, the dielectric constant (at a frequency of 1000Hz) of CCTO@Si69/PVDF composite reaches the value of 85, which is 5 times than that of unmodified CCTO/PVDF composite.
Key wordssurface treatment    dielectric property    composite
收稿日期: 2013-02-26     
1:  TB33  
通讯作者: 宋洪松(1984-),男,工程师,硕士,从事聚合物基功能材料研究,联系地址:北京市81信箱71分箱(100095),E-mail:songhongsong@126.com     E-mail: songhongsong@126.com
引用本文:   
宋洪松, 赵天宇, 杨程. 表面处理对CCTO/PVDF复合材料介电性能的影响[J]. 材料工程, 2014, 0(8): 27-31.
SONG Hong-song, ZHAO Tian-yu, YANG Cheng. Effect of Surface Treatment on Dielectric Properties of CCTO/PVDF Composites. Journal of Materials Engineering, 2014, 0(8): 27-31.
链接本文:  
http://jme.biam.ac.cn/jme/CN/10.11868/j.issn.1001-4381.2014.08.005      或      http://jme.biam.ac.cn/jme/CN/Y2014/V0/I8/27
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