Polyimides with Fluorenyl Side Groups and Their Unusual, Unique Alignability of Liquid Crystals at the Film Surface

	Nanotech 2007 Vol. 1 Technical Proceedings of the 2007 NSTI Nanotechnology Conference and Trade Show, Volume 1 Chapter 5: Nanostructured Materials and Devices
	Polyimides with Fluorenyl Side Groups and Their Unusual, Unique Alignability of Liquid Crystals at the Film Surface
Authors:	S.G. Hahm, T.J. Lee and M. Ree
Affilation:	Pohang University of Science and Technology, KR
Pages:	297 - 300
Keywords:	liquid crystal (LC) alignment, polyimides
Abstract:	Polyimides (PIs) have been widely used in the microelectronics industry as dielectric materials because of their advantageous properties. In the present study, we synthesized CBDA-FDA and its analogue, poly(4,4’-(9,9-fluorenyl)diphenylene pyromellitimide) (PMDA-FDA) and then investigated quantitatively the orientational distributions of the polymer chain segments in the surfaces of their films by using linearly polarized FT-IR spectroscopy and optical retardation analysis
ISBN:	1-4200-6182-8
Pages:	726
Hardcopy:	$139.95

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