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Thermotropic aromatic/lactide copolyesters with solubilizing side chains on aromatic rings

Title data

Chen, Yiwang ; Wombacher, Ralf ; Wendorff, Joachim H. ; Greiner, Andreas:
Thermotropic aromatic/lactide copolyesters with solubilizing side chains on aromatic rings.
In: Polymer. Vol. 44 (September 2003) Issue 19 . - pp. 5513-5520.
ISSN 0032-3861
DOI: https://doi.org/10.1016/S0032-3861(03)00571-8

Official URL: Volltext

Abstract in another language

Liquid-crystalline polyesters with solubilizing side chains on aromatic rings have been synthesized by melt polycondensation of diacid dichlorides and silylated hydroquinones. Corresponding copolyesters incorporated with lactide units were obtained by addition of oligolactides. The molecular structures of these polymers were verified by spectroscopy techniques. Molecular weights were characterized by gel permeation chromatography. X-ray diffraction studies confirmed that all polyesters are partially crystalline and have self-organized ordered stacking structures. The polyesters can form smectic melts upon heating above the melting temperature. Contact angle measurements and water absorption data of solution cast films showed that the polyesters have relatively high hydrophilicity and decreasing contact angle with increasing amount of lactide moieties. (C) 2003 Elsevier Ltd. All rights reserved.

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: copolymerization; hydrophilic polymers; liquid-crystalline polymers (LCPs)
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: 07 Apr 2015 13:38
Last Modified: 07 Apr 2015 13:38
URI: https://eref.uni-bayreuth.de/id/eprint/9741