镍包碳纤维填充导电橡胶薄膜的制备及性能

徐荣滨; 夏志东; 左哲伟; 李嘉泰

doi:10.13801/j.cnki.fhclxb.20161020.001

镍包碳纤维填充导电橡胶薄膜的制备及性能

北京工业大学材料科学与工程学院, 北京 100124

基金项目: 企业横向资助项目（46009012201301）

详细信息

通讯作者:
夏志东,博士,教授,硕士生导师,研究方向为先进电子连接材料E-mail:xiazhd@bjut.edu.cn

中图分类号: TM206
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出版历程
- 收稿日期: 2016-07-30
- 修回日期: 2016-10-07
- 刊出日期: 2017-07-14

Preparation and properties of conductive Ni coated carbon fibers/rubber films

School of Materials Science and Engineering, Beijing University of Technology, Beijing 100124, China

摘要

摘要: 采用喷涂法制备了镍包碳纤维（CF@Ni）填充型柔性导电橡胶薄膜，探究了球形Ni粉颗粒对导电橡胶流动性及导电性的影响，研究了导电CF@Ni/橡胶薄膜的抗折叠性能以及薄膜与铝合金基体之间黏附强度。结果表明：以CF@Ni为主掺杂少量球形Ni的复合填料所制备的导电橡胶薄膜，电阻率在10^-1 Ω·cm级别；且随Ni粉增加，其电阻率不发生显著变化，但液态导电CF@Ni/橡胶流动性明显提高；喷涂获得的薄膜在0.2 MPa压力经100次折叠周期后，其导电性无明显下降；喷涂薄膜与铝合金基体之间的黏附强度约为0.219 MPa。所制备的导电CF@Ni/橡胶薄膜具有良好的导电性和抗折叠性能，导电橡胶薄膜中CF@Ni起主要导电作用，球形Ni粉不影响薄膜导电性，但在喷涂过程中有"润滑"作用，提高了喷涂效率。
- 导电橡胶薄膜 /
- 镍包碳纤维 /
- 喷涂法 /
- 导电性 /
- 抗折叠 /
- 黏附强度
Abstract: Conductive rubber films filled with Ni coated carbon fibers (CF@Ni) were prepared by means of spraying process. The effects of Ni powder particle on the conductivity and flowability of conductive rubber were explored. The anti-folding properties of the conductive CF@Ni/rubber film and the adhesion strength between the film and aluminum alloy substrate were studied. The research results show that the resistivity of CF@Ni/conductive film dope with a small amount of spherical Ni powder is about 10^-1 Ω·cm; with the increase of Ni powder, the resistivity of film does not change significantly while the mobility increases significantly; there is no significant decrease in the conductivity of the films when they have experienced 100 fold cycles with pressure of 0.2 MPa. The adhesion strength between CF@Ni/rubber coating film and aluminum alloy substrate is about 0.22 MPa. The conductive CF@Ni/rubber films have good electrical conductivity and anti-folding properties. CF@Ni plays a leading role in the conduction process, while spherical Ni powder plays the role of ‘lubrication’, improving the efficiency of spraying.
- conductive rubber film /
- Ni coated carbon fibers /
- spray /
- conductive /
- anti-floding /
- adhesion strength

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