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化工新型材料  2019, Vol. 47 Issue (6): 59-62    
  新材料与新技术 本期目录 | 过刊浏览 | 高级检索 |
铌、钴掺杂BaTiO3及表面改性对BaTiO3/PVDF复合材料介电性能的影响
翟月1, 徐海萍1,2*, 秦艳丽1, 代秀娟1, 徐世豪1, 杨丹丹1,2
1.上海第二工业大学工学部,上海201209;
2.上海材料创新研究院,上海200437
Influence of co-doping with niobium and cobalt oxide and modification with KH550 on dielectric property of BaTiO3/PVDF
Zhai Yue1, Xue Haiping1,2, Qin Yanli1, Dai Xiujuan1, Xu Shihao1, Yang Dandan1,2
1.Faculty of Engineering,Shanghai Second Polytechnic University,Shanghai 201209;
2.Shanghai Research Institute of Materials,Shanghai 200437
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摘要 采用铌、钴氧化物共掺杂钛酸钡(BaTiO3,BT)制备铌钴钛酸钡(BTNC)粉体,采用硅烷偶联剂KH550对BTNC进行表面改性,制得改性铌钴钛酸钡(R-BTNC)粉体,再采用溶液共混法与聚偏氟乙烯(PVDF)制得BTNC/PVDF复合材料,并对复合材料进行了表征。研究结果表明,KH550能有效地改善填料在基体中的分散性和相容性,BTNC的加入使得PVDF中具有极化效应的β相增加,在102Hz,R-BTNC用量为50%(体积分数)条件下,制得的 R-BTNC/PVDF复合材料的介电常数为79.4,介电损耗为0.0520。
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翟月
徐海萍
秦艳丽
代秀娟
徐世豪
杨丹丹
关键词:  Nb2O5-Co3O4共掺杂BaTiO3  表面改性  复合材料  介电性能    
Abstract: The barium titanate powders containing niobium and cobalt (BTNC) was prepared by co-doping of niobium and cobalt oxide with barium titanate(BaTiO3,BT).The BTNC was modified with silane coupling agent (KH550) to obtain modified niobium and cobalt oxide with barium titanate (R-BTNC) powder.The BTNC/PVDF and composites were prepared by the method of solution blending with polyvinylidene fluoride,and the composites were characterized.Results showed that KH550 can effectively improve the dispersion of the fillers in the matrix and the compatibility with matrix,and the adding of BTNC increased the β phase with polarization effect in PVDF.The dielectric constant and loss of (R-BTNC) /PVDF filled with 50.0vol% R-BTNC at 102Hz was 79.4 and 0.0520.
Key words:  Nb2O5-Co3O4 co-doping BaTiO3    surface modification    composite    dielectric property
收稿日期:  2018-01-23                出版日期:  2019-06-20      发布日期:  2019-07-05      期的出版日期:  2019-06-20
基金资助: 国家自然科学基金资助项目(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);上海第二工业大学重点学科(材料科学与工程XXKYS1601);上海第二工业大学研究生项目基金(EGD16YJ010)
通讯作者:  徐海萍,教授,主要研究方向为介电储能材料与热敏电阻。   
作者简介:  翟月(1993-),女,硕士,主要研究介电储能复合材料。
引用本文:    
翟月, 徐海萍, 秦艳丽, 代秀娟, 徐世豪, 杨丹丹. 铌、钴掺杂BaTiO3及表面改性对BaTiO3/PVDF复合材料介电性能的影响[J]. 化工新型材料, 2019, 47(6): 59-62.
Zhai Yue, Xue Haiping, Qin Yanli, Dai Xiujuan, Xu Shihao, Yang Dandan. Influence of co-doping with niobium and cobalt oxide and modification with KH550 on dielectric property of BaTiO3/PVDF. New Chemical Materials, 2019, 47(6): 59-62.
链接本文:  
http://www.hgxx.org/CN/  或          http://www.hgxx.org/CN/Y2019/V47/I6/59
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