Novel electrically conductive composite filaments based on Ag/saturated polyester/polyvinyl butyral for 3D-printing circuits

被引：28
|
作者：
Lei, Zuomin [1 ]
Chen, Zhenxing [1 ,2 ,3 ]
Zhou, Yong [1 ]
Liu, Yi [1 ]
Xu, Jingyao [3 ]
Wang, Dan [1 ]
Shen, Yuqiu [1 ]
Feng, Wenchao [1 ]
Zhang, Zhuo [1 ]
Chen, Houfu [1 ]
机构：
[1] Sun Yat Sen Univ, Sch Chem Engn & Technol, Zhuhai 519082, Peoples R China
[2] Sun Yat Sen Univ, Key Lab Low Carbon Chem & Energy Conservat Guangd, Guangzhou 510275, Guangdong, Peoples R China
[3] Baise Univ, Sch Mat Sci & Engn, Baise 533000, Peoples R China
来源：
COMPOSITES SCIENCE AND TECHNOLOGY | 2019年 / 180卷
关键词：
Polymer-matrix composites; Electrical properties; Thermal properties; Scanning electron microscopy; Film transition technique; FLAKY SILVER POWDERS; FABRICATION; THICKNESS; BLENDS; PLA;
D O I：
10.1016/j.compscitech.2019.05.003
中图分类号：
TB33 [复合材料];
学科分类号：
摘要：
Novel composite filaments with high electrical conductivity and adhesion were fabricated through a film transition technique based on two-dimensional silver powders, saturated polyester (SP) and polyvinyl butyral (PVB). The film transition technique and flow-induced orientation in the flow field resulted in the two-dimensional silver powders in the Ag/SP/PVB composite filaments being well ordered, which helped in obtaining the low volume resistivity of the composite filaments. When the Ag loading was 55 wt%, the volume resistivity of the Ag/SP/PVB composite filaments decreased to 3.14 x 10(-4) Omega cm. In addition, the Ag/SP/PVB composite filaments possessed thermal stability up to 340 degrees C and microhardness beyond 18.30 HV0.2. The 3D-printed samples demonstrated good adhesion (<= level 2) to paper, PET and alumina ceramic substrates. Considering that a high electrical conductivity and adhesion can be obtained simultaneously, the Ag/SP/PVB composite filaments might be potential candidates for 3D-printing circuits in a rapid and green way.
引用
收藏
页码：44 / 50
页数：7
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