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	Piezoresistivity of Silicone-Rubber/Carbon Black Composites Excited by AC Electrical Field
	Wang, Shou-Li ; Wang, Peng ; Ding, Tian-Huai
	2010-10-12 ; 2010-10-12
关键词	conducting polymers composites silicone rubber AC conductivity piezoresistivity POLYMER COMPOSITES CONDUCTIVE RUBBER CARBON Polymer Science
中文摘要	Flexible conductive composites were prepared using liquid silicone rubber as a matrix and conductive carbon black (CCB) as a filler, and the filler loading was varied from 1 to 15 phr in mass ratio. The surface conductivity was studied as a function of CCB concentration (1, 5, 10, 15 wt %), frequency in the range from DC to 1 MHz. The AC resistivity of the composites with low CCB concentration was found to be frequency dependent, whereas the composites with high CCB contraction was almost frequency independent. The resistance/impedance drift of the composites with time decreases sharply with the increase of frequency of applied electric field. The piezoresistivity of the composite with 5 wt % CCB concentration (the upper percolation limit) was studied. It is found that the composite exhibits prominent positive piezoresistivity coefficient effect through the measurement frequency, and the sensitivity becomes steeper with the increase of exciting frequency. (C) 2009 Wiely Periodicals, Inc. J Appl Polym Sci 113: 337-341, 2009
语种	英语 ; 英语
出版者	JOHN WILEY & SONS INC ; HOBOKEN ; 111 RIVER ST, HOBOKEN, NJ 07030 USA
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/80223]
专题	清华大学
推荐引用方式 GB/T 7714	Wang, Shou-Li,Wang, Peng,Ding, Tian-Huai. Piezoresistivity of Silicone-Rubber/Carbon Black Composites Excited by AC Electrical Field[J],2010, 2010.
APA	Wang, Shou-Li,Wang, Peng,&Ding, Tian-Huai.(2010).Piezoresistivity of Silicone-Rubber/Carbon Black Composites Excited by AC Electrical Field..
MLA	Wang, Shou-Li,et al."Piezoresistivity of Silicone-Rubber/Carbon Black Composites Excited by AC Electrical Field".(2010).

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