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Molecular orientation of liquid crystal on polymer blends of coumarin and naphthalenic polyimide

Title
Molecular orientation of liquid crystal on polymer blends of coumarin and naphthalenic polyimide
Authors
Hah, H[Hah, Hyundae]Sung, SJ[Sung, Shi-Joon]Cho, KY[Cho, Kuk Young]Park, JK[Park, Jung-Ki]
Issue Date
2008-09
Citation
Polymer Bulletin, 61(3), 383-390
Type
Article
Article Type
Article
Keywords
AlignmentAlignment LayersBlendingCrystal OrientationLC AlignmentLight SourcesLiquid Crystal-PolymersLiquid CrystalsMolecular OrientationNematic Liquid CrystalsOptical PropertiesPhoto-Induced Liquid Crystal AlignmentPhoto-Reactive PolymerPhotopolymersPhotoreactivityPoly ImidePolyimidesPolymer BlendingPolymer BlendsPolymersPowdersThermal StabilityThermodynamic StabilityUV Irradiations
ISSN
0170-0839
Abstract
Photo-induced liquid crystal alignment layers were prepared by blending polyimides and photoreactive polymers followed by polarized UV irradiation. Polyimides are selected for the purpose of improving the thermal stability of the molecular orientation of the photoreactive groups. The thermal stability of the LC alignment layer was enhanced regardless of the type of the polyimide while the direction of LC orientation was dependent on the type of polyimide. The photoreactivity of the polyimide governs the LC orientation in the blend alignment layers. © 2008 Springer-Verlag.
URI
http://hdl.handle.net/20.500.11750/3565
DOI
10.1007/s00289-008-0955-1
Publisher
Springer
Files:
There are no files associated with this item.
Collection:
ETC1. Journal Articles


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