THE EFFECTS OF PATTERNED SURFACES ON THE PHASE SEPARATION FOR DIBLOCK COPOLYMERS

Lin-li He a Lin-xi Zhang b

Citation:  Lin-li He a, Lin-xi Zhang b. THE EFFECTS OF PATTERNED SURFACES ON THE PHASE SEPARATION FOR DIBLOCK COPOLYMERS[J]. Chinese Journal of Polymer Science, 2009, 27(3): 307-315. shu

THE EFFECTS OF PATTERNED SURFACES ON THE PHASE SEPARATION FOR DIBLOCK COPOLYMERS

摘要: The phase behaviors of symmetric diblock copolymer thin films confined between two hard, parallel and diversified patterned surfaces are investigated by three-dimensional dissipative particle dynamics (DPD) simulations. The induction of diversified patterned surfaces on phase separation of symmetric diblock copolymer films in snapshots, density profiles and concentration diagrams of the simulated systems are presented. The phase separations can be controlled by the patterned surfaces. In the meantime, the mean-square end-to-end distance of the confined polymer chains is also discussed. Surface-induced phase separation for diblock copolymers can help us to create novel and controlled nanostructured materials.

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  • 发布日期:  2009-05-20
  • 收稿日期:  2007-12-24
  • 修回日期:  2008-03-01
通讯作者: 陈斌, bchen63@163.com
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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