Hits:
Indexed by:会议论文
Date of Publication:2012-10-01
Page Number:284-288
Key Words:碳纤维;化学镀镍;电磁屏蔽效能
Abstract: 本文采用化学镀的方法在碳纤维(CF)表面镀覆一层均匀的金属镍,形成镀镍碳纤维(NiCF),采用密炼工艺制备了ABS基体复合材料,研究比较了CF和NiCF填充ABS树脂形成的复合材料的导电性能及电磁屏蔽效能.结果表明：采用化学镀的方法在碳纤维表面形成了厚度为100～200nm的均匀镀层,使纤维的体积电导率接近金属水平,从而提高的复合材料的导电率,尤其使材料的电磁屏蔽性能得到极大提高,当NiCF含量为25wt％(约11.3 vol％)时,300MHz-1.8GHz范围内的电磁屏蔽效能达到35～51dB,具有低含量高屏蔽效能.
Pre 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
Next One:Dielectric Studies on the Heterogeneity and Interfacial Property of Composites Made of Polyacene Quinone Radical Polymers and Sulfonated Polyurethanes
