GRAFTED POLYMER LAYERS WITH CHAIN EXCHANGE - A MONTE-CARLO SIMULATION

Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/39321

Title:	GRAFTED POLYMER LAYERS WITH CHAIN EXCHANGE - A MONTE-CARLO SIMULATION
Authors:	LAI,PY
Contributors:	物理研究所
Keywords:	MOLECULAR-DYNAMICS;DENSITY PROFILE;INTERFACE;BRUSHES;MELTS
Date:	1993
Issue Date:	2010-07-08 14:12:01 (UTC+8)
Publisher:	中央大學
Abstract:	By introducing a bead-group energy of adsorption with the grafting surface, we simulate the grafted polymer layer including chain exchange with the bulk solution using the bond-fluctuation model. The kinetics of adsorption is relatively rapid n short times and becomes much slower in later time as the layer is formed. rhe self-adjusted surface coverage is measured for different values of chain lengths and head-group energies. We also found that the polymer chains in a grafted layer are replaced by introducing shorter chains of identical head groups, which is also observed in recent experiments.
Relation:	JOURNAL OF CHEMICAL PHYSICS
Appears in Collections:	[Graduate Institute of Physics] journal & Dissertation

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