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Thermotropic aromatic/lactide copolyesters with lateral methoxyethyleneoxy substituents

Title data

Chen, Yiwang ; Wombacher, Ralf ; Wendorff, Joachim H. ; Greiner, Andreas:
Thermotropic aromatic/lactide copolyesters with lateral methoxyethyleneoxy substituents.
In: Chemistry of Materials. Vol. 15 (February 2003) Issue 3 . - pp. 694-698.
ISSN 1520-5002
DOI: https://doi.org/10.1021/cm0213016

Official URL: Volltext

Abstract in another language

Liquid-crystalline polyesters with lateral methoxyethyleneoxy substituents and phenyl substituents were obtained by melt polycondensation of diacid dichlorides and silylated hydroquinones. Corresponding copolyesters were obtained by addition of oligolactides. The molecular structures of these polymers were verified by IR and NMR spectroscopy. Molecular weights obtained by GPC and end-group analysis proved enhanced molecular weights. All copolyesters were partially crystalline according to WAXS analysis and formed smectic melts upon heating above the melting temperature. Contact angle measurements of solution cast films showed relatively high hydrophilicity and decreasing contact angle with increasing amounts of oligolactide moieties.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Macromolecular Chemistry II > Chair Macromolecular Chemistry II - Univ.-Prof. Dr. Andreas Greiner
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Macromolecular Chemistry II
Result of work at the UBT: No
DDC Subjects: 500 Science > 540 Chemistry
Date Deposited: 09 Apr 2015 13:40
Last Modified: 09 Apr 2015 13:40
URI: https://eref.uni-bayreuth.de/id/eprint/9753