Glass-forming discotic liquid-crystalline oligomers

Boden, Neville, Bushby, Richard J., Cammidge, Andrew N. ORCID: https://orcid.org/0000-0001-7912-4310 and Martin, Philip S. (1995) Glass-forming discotic liquid-crystalline oligomers. Journal of Materials Chemistry, 5 (11). pp. 1857-1860. ISSN 0959-9428

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Abstract

Isomerically pure dimers and trimers containing, two and three triphenylene hexaether mesogenic units, respectively, have been prepared. The key step of the synthesis was an oxidative coupling of a 1,2-dialkoxybenzene and a 3,4,3′,4′-tetraalkoxybiphenyl to give an unsymmetrically substituted triphenylene. The mesophase behaviour of these liquid crystals shows that there is surprisingly little difference between the clearing temperatures of the equivalent monomer, ‘dimer’, ‘trimer’ and polymer and that, like the polymer, these new oligomers supercool into ordered glassy films.

Item Type: Article
Faculty \ School: Faculty of Science > School of Chemistry (former - to 2024)
UEA Research Groups: Faculty of Science > Research Groups > Centre for Photonics and Quantum Science
Faculty of Science > Research Groups > Chemistry of Materials and Catalysis
Faculty of Science > Research Groups > Chemistry of Light and Energy
Depositing User: LivePure Connector
Date Deposited: 25 Jul 2024 08:30
Last Modified: 25 Sep 2024 17:57
URI: https://ueaeprints.uea.ac.uk/id/eprint/96016
DOI: 10.1039/JM9950501857

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