location: Current position: Home >> Scientific Research >> Paper Publications

NiCF/ABS复合材料的制备及电磁屏蔽效能研究

Hits:

Indexed by:期刊论文

Date of Publication:2013-02-15

Journal:高分子通报

Included Journals:PKU、ISTIC、CSCD

Issue:2

Page Number:46-50

ISSN No.:1003-3726

Key Words:碳纤维;化学镀镍;电磁屏蔽;ABS

Abstract:探讨了碳纤维(CF)表面镍金属的化学镀工艺,制备了镀镍碳纤维(NiCF),采用密炼工艺制备了ABS基体复合材料,研究了CF和NiCF含量对复合材料的导电性能及电磁屏蔽效能的影响.结果表明:采用化学镀的方法在碳纤维表面镀覆了金属镍,所形成的镀层均匀致密;镀覆时间为5min时,镀镍后的碳纤维电阻率降低两个数量级;复合材料电阻率随CF、NiCF含量的增加而逐渐减小;复合材料电磁屏蔽效能随CF、NiCF含量的增加而逐渐增加,当NiCF含量为25%(wt)(约13.3vo1%)时,电磁屏蔽效能最高可达51dB.

Pre One:Orientation of Carbon Fiber Axes in Polymer Solutions under Magnetic Field Evaluated in Terms of Orientation Distribution of the Chain Axes of Graphite with Respect to the Carbon Fiber Axis

Next One:Positive temperature coefficient effect of polymer-carbon filler composites under self-heating evaluated quantitatively in terms of potential barrier height and width associated with tunnel current