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Article Dans Une Revue Macromolecules Année : 1991

Band textures of liquid crystalline polymers in elongational flows

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Résumé

A rheooptical device, where an obstacle generates an elongational flow, was used to study the behavior of an anisotropic (hydroxypropyl)cellulose solution. Good agreement was found between calculated and measured elongational rates. After cessation of flow, a band texture appears if the elongation rate is larger than a critical value. The conditions for the formation of the bands, their optical features, and their spacing are similar to those arising after cessation of shear.

Dates et versions

hal-00672070 , version 1 (20-02-2012)

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Edith Peuvrel-Disdier, Patrick Navard. Band textures of liquid crystalline polymers in elongational flows. Macromolecules, 1991, 24 (20), pp.Pages 5683-5686. ⟨10.1021/ma00020a031⟩. ⟨hal-00672070⟩
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