1 January 1998 Liquid crystalline tetrahedra and low-aspect-ratio organic materials
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3,4-Dialkoxybenzoates of pentaerythritol and structural related polyhydroxy compounds have been synthesized and investigated by polarizing microscopy, differential scanning calorimetry and some of them also by x-ray scattering. Despite the fact that these compounds are neither anisometric nor amphilphilic in a classical sense they can display columnar liquid-crystalline phases. It is proposed, that the segregation of the polar regions and the lipophilic alkyl chains into separate regions is mainly responsible for the formation of these mesophases.
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A. Pegenau, A. Pegenau, P. Goering, P. Goering, S. Diele, S. Diele, C. Tschierske, C. Tschierske, } "Liquid crystalline tetrahedra and low-aspect-ratio organic materials", Proc. SPIE 3319, Liquid Crystals: Chemistry and Structure, (1 January 1998); doi: 10.1117/12.301254; https://doi.org/10.1117/12.301254

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