Abstract
AbstractWe report herein studies on the liquid crystalline behavior of a series of supramolecular materials that contain different ratios of two complementary symmetrically‐substituted alkoxy‐bis(phenylethynyl)benzene AA‐ and BB‐type monomers. One monomer has thymine units placed at either end of the rigid mesogenic core, while the other has N6‐(4‐methoxybenzoyl)‐adenine units placed on the ends. Differential scanning calorimetric and polarized optical microscopy studies have been carried out on these systems. These studies show that the material's behavior is strongly dependent on its thermal history. As a result, the materials can exhibit, on heating, either a liquid crystalline phase, a crystalline phase, or the coexistence of crystalline and liquid crystalline regions. © 2006 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 44: 5049–5059, 2006
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