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	Spreading dynamics of functional droplets
	Li, Xin ; Hu, Yuanzhong ; Jiang, Lan
	2010-05-10 ; 2010-05-10
关键词	Perfluoropolyether Molecular dynamics simulation Thin film lubrication Spreading AMORPHOUS-CARBON SURFACES LUBRICANT FILMS MOLECULAR-DYNAMICS STABILITY ANALYSIS PERFLUOROPOLYETHER MECHANISMS SIMULATION Chemistry, Physical Materials Science, Coatings & Films Physics, Applied Physics, Condensed Matter
中文摘要	Spreading dynamics of functional droplets on. at substrates has been carefully studied. The spreading profiles correspond with the lubricant microstructures. Such correspondence indicates that functional lubricant molecules may transform from a bi-polymer structure to a layering structure during the spreading processes. The molecule movements are demonstrated to include flow-down, surface migration and fill-in processes. Especially, single functional molecule movement is tracked to reveal the detailed microscopic mechanism. The molecule movement is demonstrated to be significantly hindered by the hydrogen bonds among functional end groups. During flow-down process, the single molecule partly breaks the hydrogen bonds. As one end group of the molecule has arrived at the substrates, the other drags other molecules in droplets to flow-down. During surface migration process, the single molecule moves on the substrates combined with other molecules through the hydrogen bonds. (C) 2008 Elsevier B.V. All rights reserved.
语种	英语 ; 英语
出版者	ELSEVIER SCIENCE BV ; AMSTERDAM ; PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/24649]
专题	清华大学
推荐引用方式 GB/T 7714	Li, Xin,Hu, Yuanzhong,Jiang, Lan. Spreading dynamics of functional droplets[J],2010, 2010.
APA	Li, Xin,Hu, Yuanzhong,&Jiang, Lan.(2010).Spreading dynamics of functional droplets..
MLA	Li, Xin,et al."Spreading dynamics of functional droplets".(2010).

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