Volume 4, Issue 6, December 2016, Page: 247-255
Synthesis and Properties of New Liquid Crystals as Curing Agents for Epoxy Resins
Anber M. Anber, Department of Chemistry, Faculty of Science, Damascus University, Damascus, Syrian Arab Republic
Sahar Al-Hariri, Department of Chemistry, Faculty of Science, Damascus University, Damascus, Syrian Arab Republic
Ayham H. Abazid, Department of Chemistry, Faculty of Science, Damascus University, Damascus, Syrian Arab Republic
Received: Dec. 4, 2016;       Accepted: Jan. 5, 2017;       Published: Jan. 20, 2017
DOI: 10.11648/j.ajac.20160406.15      View  4172      Downloads  126
Abstract
A novel class liquid crystalline epoxy resins was synthesized by reacting the diglycidyl ether of bisphenol A (DGEBA) with three new liquid crystal diols, 4,4`-di-N-](6-hydroxy hexoxy)-3-pyridyl methylidene [amino phenyl benzamide, 4,4`- di-N-](6-hydroxy butoxy)-3-pyridyl methylidene[amino phenyl benzamide, and 4,4`- di-N-](6-hydroxy etoxy)-3-pyridyl methylidene[amino phenyl benzamide, contain azomethine groups. The new liquid crystals were characterized by Fourier transformed infra-red (FT-IR) and nuclear magnetic resonance (NMR) spectroscopy. Flexibility and adhesion properties were then investigated for the cured resins based on new azomethine mesogenic diols. The cured polymers were found to exhibit high flexibility and good adhesion properties compared to ordinary amine systems.
Keywords
Epoxy Resin, Liquid Crystal, DGEBA, Schiff Base, Azomethine Mesogenic Diol, Synthesis, Characterization, Mechanical Properties
To cite this article
Anber M. Anber, Sahar Al-Hariri, Ayham H. Abazid, Synthesis and Properties of New Liquid Crystals as Curing Agents for Epoxy Resins, American Journal of Applied Chemistry. Vol. 4, No. 6, 2016, pp. 247-255. doi: 10.11648/j.ajac.20160406.15
Copyright
Copyright © 2016 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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