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Synthesis and Properties of New Liquid Crystals as Curing Agents for Epoxy Resins

Received: 4 December 2016     Accepted: 5 January 2017     Published: 20 January 2017
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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.

Published in American Journal of Applied Chemistry (Volume 4, Issue 6)
DOI 10.11648/j.ajac.20160406.15
Page(s) 247-255
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2017. Published by Science Publishing Group

Keywords

Epoxy Resin, Liquid Crystal, DGEBA, Schiff Base, Azomethine Mesogenic Diol, Synthesis, Characterization, Mechanical Properties

References
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Cite This Article
  • APA Style

    Anber M. Anber, Sahar Al-Hariri, Ayham H. Abazid. (2017). Synthesis and Properties of New Liquid Crystals as Curing Agents for Epoxy Resins. American Journal of Applied Chemistry, 4(6), 247-255. https://doi.org/10.11648/j.ajac.20160406.15

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    ACS Style

    Anber M. Anber; Sahar Al-Hariri; Ayham H. Abazid. Synthesis and Properties of New Liquid Crystals as Curing Agents for Epoxy Resins. Am. J. Appl. Chem. 2017, 4(6), 247-255. doi: 10.11648/j.ajac.20160406.15

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    AMA Style

    Anber M. Anber, Sahar Al-Hariri, Ayham H. Abazid. Synthesis and Properties of New Liquid Crystals as Curing Agents for Epoxy Resins. Am J Appl Chem. 2017;4(6):247-255. doi: 10.11648/j.ajac.20160406.15

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  • @article{10.11648/j.ajac.20160406.15,
      author = {Anber M. Anber and Sahar Al-Hariri and Ayham H. Abazid},
      title = {Synthesis and Properties of New Liquid Crystals as Curing Agents for Epoxy Resins},
      journal = {American Journal of Applied Chemistry},
      volume = {4},
      number = {6},
      pages = {247-255},
      doi = {10.11648/j.ajac.20160406.15},
      url = {https://doi.org/10.11648/j.ajac.20160406.15},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajac.20160406.15},
      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.},
     year = {2017}
    }
    

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    T1  - Synthesis and Properties of New Liquid Crystals as Curing Agents for Epoxy Resins
    AU  - Anber M. Anber
    AU  - Sahar Al-Hariri
    AU  - Ayham H. Abazid
    Y1  - 2017/01/20
    PY  - 2017
    N1  - https://doi.org/10.11648/j.ajac.20160406.15
    DO  - 10.11648/j.ajac.20160406.15
    T2  - American Journal of Applied Chemistry
    JF  - American Journal of Applied Chemistry
    JO  - American Journal of Applied Chemistry
    SP  - 247
    EP  - 255
    PB  - Science Publishing Group
    SN  - 2330-8745
    UR  - https://doi.org/10.11648/j.ajac.20160406.15
    AB  - 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.
    VL  - 4
    IS  - 6
    ER  - 

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Author Information
  • Department of Chemistry, Faculty of Science, Damascus University, Damascus, Syrian Arab Republic

  • Department of Chemistry, Faculty of Science, Damascus University, Damascus, Syrian Arab Republic

  • Department of Chemistry, Faculty of Science, Damascus University, Damascus, Syrian Arab Republic

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