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Effect of Perpendicular Shear Force on the Interfacial Morphology of Reactive Polymer Bilayer

✍ Scribed by Hwang Yong Kim; Wonchul Joo; Jin Kon Kim

Publisher
John Wiley and Sons
Year
2008
Tongue
English
Weight
308 KB
Volume
209
Category
Article
ISSN
1022-1352

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✦ Synopsis

Abstract

We investigated the effect of shear forces perpendicular to the interface on the interfacial morphology of a reactive bilayer. It was observed that the perpendicular shear force greatly enhanced the roughness of the interface compared with parallel shear force. The main role of in situ formed graft copolymers is not to increase greatly the roughness of the interface, but to stabilize the interfacial morphology. We also observed that microemuslsions were observed at both the PMMA and PS layers, which is distinctly different from the situation obtained under parallel shear force (or without shear) that the microemlusions were seen in only the PMMA layer.

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