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Synthesis and characterisation of thermomesogenic polysiloxanes with 2,5-dihydropyrrolo[3,4-c]pyrrole-1,4-dione units in the main chain |
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| Authors: | Matthias HornYesim Hepuzer Yusuf YagciBelkiz Bilgin-Eran Undina CernencoValeria Harabagiu Mariana PintealaBogdan C Simionescu |
| Affiliation: | a Department of Chemistry and Biochemistry, University of California, Los Angeles, 405 Hilgard Avenue, Los Angeles, CA 90095-1569, USA b Department of Chemistry, Istanbul Technical University, TR-80626 Istanbul, Turkey c Department of Chemistry, Yildiz Technical University, TR-34210 Istanbul, Turkey d Department of Macromolecules, “Gh. Asachi” Technical University, 6600 Iasi, Romania e “P. Poni” Institute of Macromolecular Chemistry, 6600 Iasi, Romania |
| Abstract: | The synthesis of the first two liquid crystalline polysiloxanes bearing 3,6-diaryl-2,5-dihydropyrrolo-[3,4-c]pyrrole-1,4-dione units in their main chain are described. Investigations on their thermotropic phase behaviour by polarising microscopy reveal nematic or smectic enantiotropic phases, respectively. |
| Keywords: | Polysiloxanes Liquid crystals Diketopyrrolopyrrole |
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