Pretilt Angles Transition via Mixture Liquid Crystal System

We studied the state of the dual liquid crystal (LC) alignment which displays both homeotropic and homogeneous alignment on blended polyimide (PI) layer. The research was conducted using rubbing method at different imidizing temperatures and the blended PI was made using homeotropic PI having an alk...

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Bibliographic Details
Published in:Molecular Crystals and Liquid Crystals 2010-01, Vol.529 (1), p.109-114
Main Authors: Kim, Jeong-Hwan, Chun, Ji-Yun, Park, Hong-Gyu, Na, Hyun-Jae, Kim, Young-Hwan, Kim, Byoung-Yong, Ok, Chul-Ho, Hwang, Jeong-Yeon, Han, Jeong-Min, Park, Yong-Pil, Seo, Dae-Shik
Format: Article
Language:English
Subjects:
Alignment
Blend polyimide
Blended
Chains
Chemical compounds
Chemical synthesis
Contact
contact angle
Crystal structure
Crystals
Displays
imidizing
liquid crystal alignment
Liquid crystal polymers
Liquid crystals
Polyimide resins
Polymer blends
Rubbing
Temperature
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Summary:We studied the state of the dual liquid crystal (LC) alignment which displays both homeotropic and homogeneous alignment on blended polyimide (PI) layer. The research was conducted using rubbing method at different imidizing temperatures and the blended PI was made using homeotropic PI having an alkyl side chain and homogeneous PI without the side chain. The uniform LC alignments were achieved, and have thermal stability. The results of contact angles were similar to that of pretilt angles.
ISSN:1542-1406
1563-5287
1527-1943
DOI:10.1080/15421406.2010.495690