In situ wide-angle X-ray scattering (WAXS) orientation measurements are reported for a commercial thermotropic copolyester melt in channel flows. This investigation includes extensive examination of the orientation effects of mixed shearextensional kinematics produced by channel flows with varying c
β¦ LIBER β¦
Strain-Induced Orientation States and Nucleation of Line Disclinations in a Thermotropic Liquid Crystalline Polymer Melt
β Scribed by Kalman Geiger
- Publisher
- John Wiley and Sons
- Year
- 1998
- Tongue
- English
- Weight
- 204 KB
- Volume
- 21
- Category
- Article
- ISSN
- 0930-7516
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Immiscible blends of thermotropic liquid crystalline polymers (TLCP) and a flexible polymer matrix show viscosity reductions and extensive fiber formation under certain flow conditions. Here we study these phenomena by directly examining the TLCP component's molecular orientation and the dispersed p