Thin and flexible multi-walled carbon nanotube/waterborne polyurethane   composites with high-performance electromagnetic interference shielding

doi:10.1016/j.carbon.2015.10.004

CORC > 北京大学 > 工学院

	Thin and flexible multi-walled carbon nanotube/waterborne polyurethane composites with high-performance electromagnetic interference shielding
	Zeng, Zhihui ; Chen, Mingji ; Jin, Hao ; Li, Weiwei ; Xue, Xiao ; Zhou, Licheng ; Pei, Yongmao ; Zhang, Hui ; Zhang, Zhong
刊名	CARBON
	2016
关键词	REDUCED GRAPHENE OXIDES NANOTUBE/POLYMER COMPOSITES MECHANICAL-PROPERTIES ELECTRICAL-PROPERTIES EPOXY COMPOSITES NANOTUBES LIGHTWEIGHT NANOCOMPOSITES CONDUCTIVITY FABRICATION
DOI	10.1016/j.carbon.2015.10.004
英文摘要	A type of lightweight and flexible multi-walled carbon nanotube (MWCNT)/waterborne polyurethane (WPU) composites is fabricated, which show superior shielding effectiveness (SE) of electromagnetic interference in the X-band even under the thin thickness of samples. The thickness values 0.05, 0.32 and 0.8 mm correspond to SE of 24,49 and 80 dB, respectively. This attributes to the extremely high MWCNT loading up to 76 wt%. Moreover, the composites show much higher specific SE (up to 3408 dB cm(2)/g) than other carbon-based polymer composites with similar filler amount. Shielding mechanisms of the composites with wide ranges of MWCNT loadings are discussed based on the concentration, thickness and conductivity. High concentration of MWCNT/WPU composites at low thicknesses indicates higher capability of shielding by absorption compared to reflection, which is adverse to composites with relatively low MWCNT mass ratios. A comparison between experimental and theoretical SE results is made in detail based on observed microstructures by scanning electron microscopy. The MWCNT/WPU composite films fabricated on large-area polyimide and cloth substrates are also demonstrated. (C) 2015 Elsevier Ltd. All rights reserved.; National Key Basic Research Program of China [2012CB937503, 2013CB934203]; National Natural Science Foundation of China [11225210]; SCI(E); EI; ARTICLE; hjin@nanoctr.cn; zhong.zhang@nanoctr.cn; 768-777; 96
语种	英语
内容类型	期刊论文
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/437945]
专题	工学院
推荐引用方式 GB/T 7714	Zeng, Zhihui,Chen, Mingji,Jin, Hao,et al. Thin and flexible multi-walled carbon nanotube/waterborne polyurethane composites with high-performance electromagnetic interference shielding[J]. CARBON,2016.
APA	Zeng, Zhihui.,Chen, Mingji.,Jin, Hao.,Li, Weiwei.,Xue, Xiao.,...&Zhang, Zhong.(2016).Thin and flexible multi-walled carbon nanotube/waterborne polyurethane composites with high-performance electromagnetic interference shielding.CARBON.
MLA	Zeng, Zhihui,et al."Thin and flexible multi-walled carbon nanotube/waterborne polyurethane composites with high-performance electromagnetic interference shielding".CARBON (2016).