The molecular structure of the phase-stable at room temperature-for the polymer with formula ), space group P6 3 , six chains per unit cell (d calcd ฯญ 1.23 g cm ฯช3 ). The six chains are packed together to give a bundle with the center of mass set at the origin of the unit cell. The allyl groups are
Phase Behavior and Molecular Structure of Liquid-Crystalline Polyesters with Flexible Lateral Substituents
โ Scribed by Iannelli, Pio; Pragliola, Stefania; Roviello, Antonio; Sirigu, Augusto
- Book ID
- 127331767
- Publisher
- American Chemical Society
- Year
- 1997
- Tongue
- English
- Weight
- 277 KB
- Volume
- 30
- Category
- Article
- ISSN
- 0024-9297
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## Dedicated to Professor H. SACKMANN on the occasion of his 65th birthday We synthesized each four members of the new series All compounds are nematic. The dicyanoethenyl derivatives possess strong electron acceptor properties. This is demonstrated by EDA complex formation in two binary systems
The separating properties of liquid-crystalline stationary phases with the same main chain but differing in the presence or absence of lateral substituents were compared. The effect of the kind and position of the lateral substituent on the effectiveness of separation was studied. Mixtures of polynu