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	Numerical simulation of substrate effects on spinodal decomposition in polymer binary mixture: Effects of the surface potential
	Yan, Li-Tang ; Xie, Xu-Ming
	2010-05-07 ; 2010-05-07
关键词	substrate effect spinodal decomposition cell dynamic system simulation PHASE-SEPARATION DYNAMICS LIQUID-CRYSTALLINE COPOLYESTER QUENCH DEPTH DEPENDENCE STEADY SHEAR-FLOW THIN-FILMS GRADIENT MORPHOLOGY DIBLOCK COPOLYMERS PATTERNED SURFACES BLEND FILMS KINETICS Polymer Science
中文摘要	The surface-directed spinodall decomposition (SDSD) of polymer binary mixture with different values of surface potential is numerically simulated in three-dimension (3D) by cell dynamic systems (CDS). Furthermore, the growth laws of the wetting layer are theoretically analyzed by the current equation and the dynamical scaling. The results show that the thickness of the wetting layer increases with the increasing surface potential. The crossover, which is later for larger values of surface potential, appears in the evolution curve of the wetting layer. Before the crossover, the growth law is the surface potential dependant growth law. Subsequently, the growth law is the typical Lifshitz-Slyozov (LS) growth law. The results indicate that the surface potential can result in the mutual transformation between completely wetting and partially wetting for the substrate interface. It can be found that the higher surface potential leads to the faster and stronger transmission of the effect of the substrate on the spinodal decomposition in the bulk. (c) 2006 Elsevier Ltd. All rights reserved.
语种	英语 ; 英语
出版者	ELSEVIER SCI LTD ; OXFORD ; THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/17394]
专题	清华大学
推荐引用方式 GB/T 7714	Yan, Li-Tang,Xie, Xu-Ming. Numerical simulation of substrate effects on spinodal decomposition in polymer binary mixture: Effects of the surface potential[J],2010, 2010.
APA	Yan, Li-Tang,&Xie, Xu-Ming.(2010).Numerical simulation of substrate effects on spinodal decomposition in polymer binary mixture: Effects of the surface potential..
MLA	Yan, Li-Tang,et al."Numerical simulation of substrate effects on spinodal decomposition in polymer binary mixture: Effects of the surface potential".(2010).

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