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Effect of molecular shape on polymeric liquid crystal

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The effect of molecular shape on molecular configuration of liquid crystalline polymers under shear flows is numerically analyzed using the extended Doi theory. We can find that the molecular shape strongly affects on the transition among flow-orientation modes. The change in sign of the first normal stress difference N_1~* is to speed up by the increasingβ.

U polymeric liquid crystalshear flowdoi theoryorder parametermolecular shape

Shufang Fu、Jing Bai、Sheng Zhou、XiuRong Qu、Hua Li、XuanZhang Wang

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School of Physics and Electronic Engineering, Harbin Normal University, China

2010

Key engineering materials

Key engineering materials

ISSN:1013-9826
年,卷(期):2010.428/429
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