Synthesis and thermal behaviour of liquid crystalline pyridinium bromides containing a biphenyl core
✍ Scribed by Cui, Li; Sapagovas, Vytenis; Lattermann, Günter
- Book ID
- 121333905
- Publisher
- Taylor and Francis Group
- Year
- 2002
- Tongue
- English
- Weight
- 664 KB
- Volume
- 29
- Category
- Article
- ISSN
- 0267-8292
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## Abstract **Summary:** Liquid crystalline epoxies with a biphenyl mesogenic group have been widely studied although it is still in contention as to whether the diglycidyl ether of DGEBP shows a thermotropic phase. DEPBP was synthesized by partial oxidation and the liquid crystalline properties we
Symmetry tree and group-subgroup relationships: ## P4,lnmc The '"C CPlMAS NMR spectra were recorded at a sample rotation speed of 3 kHr and a contact time of 1 ms. The measurements at higher temperatures (above SO C) were carried out by in a single pulse excitation (SPE) experiment. The B , field