American Journal of Polymer Science and Technology

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Fabrication and Characterization of Unsaturated Copolyesters Based on Diarylidenecyclohexanone

Received: 03 March 2017    Accepted: 19 March 2017    Published: 18 April 2017
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Abstract

New series of unsaturated copolyesters based on diarylidenecyclohexanone, were synthesized by the interfacial polycondensation polymerization technique. Aldol condensation reaction in acid media was used for preparation of three kinds of monomers and investigated by FT IR and 1H NMR. The copolymers have been synthetized by the polymerization of 2, 6-bis (4-hydrxybenzylidene) cyclohexanone I, 2, 6-bis (3-hydroxybezylidene) cyclohexanone II, or 2, 6-bis (4-hydroxy-3-methoxybenzylidene) cyclohexanone III with isophthaloyl, terphthaloyl, adipoyl, sebacoyl and azobenzene 4, 4-dicaroxyldichloride. The resulting copolyesters were characterized by FT-IR, 1HNMR. The intrinsic viscosity of these copolyesters was used for the determination of the molecular weight. The thermal stabilities of the prepared copolyesters were evaluated thermogravimeteric analysis (TGA). Differential thermal analysis (DTA) was used for determination of glass temperatures. X–ray analysis showed that polymers have low degree of crystallinity. The morphological properties of some selected copolyesters were detected by SEM. The dielectric and electrical resistance, capacitance, inductance, demonstrating the insulator behaviour of copolymers.

DOI 10.11648/j.ajpst.20170301.12
Published in American Journal of Polymer Science and Technology (Volume 3, Issue 1, January 2017)
Page(s) 12-20
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), 2024. Published by Science Publishing Group

Keywords

Copolyesters, Unsaturated, Synthesis, Characterization, Diarylidenecyclohexanone, Dielectric

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Author Information
  • Polymer Lap, Chemistry Department, Faculty of Science (Assiut), Al-Azhar University, Assiut, Egypt

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    Momen S. A. Abdelaty. (2017). Fabrication and Characterization of Unsaturated Copolyesters Based on Diarylidenecyclohexanone. American Journal of Polymer Science and Technology, 3(1), 12-20. https://doi.org/10.11648/j.ajpst.20170301.12

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    Momen S. A. Abdelaty. Fabrication and Characterization of Unsaturated Copolyesters Based on Diarylidenecyclohexanone. Am. J. Polym. Sci. Technol. 2017, 3(1), 12-20. doi: 10.11648/j.ajpst.20170301.12

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    Momen S. A. Abdelaty. Fabrication and Characterization of Unsaturated Copolyesters Based on Diarylidenecyclohexanone. Am J Polym Sci Technol. 2017;3(1):12-20. doi: 10.11648/j.ajpst.20170301.12

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  • @article{10.11648/j.ajpst.20170301.12,
      author = {Momen S. A. Abdelaty},
      title = {Fabrication and Characterization of Unsaturated Copolyesters Based on Diarylidenecyclohexanone},
      journal = {American Journal of Polymer Science and Technology},
      volume = {3},
      number = {1},
      pages = {12-20},
      doi = {10.11648/j.ajpst.20170301.12},
      url = {https://doi.org/10.11648/j.ajpst.20170301.12},
      eprint = {https://download.sciencepg.com/pdf/10.11648.j.ajpst.20170301.12},
      abstract = {New series of unsaturated copolyesters based on diarylidenecyclohexanone, were synthesized by the interfacial polycondensation polymerization technique. Aldol condensation reaction in acid media was used for preparation of three kinds of monomers and investigated by FT IR and 1H NMR. The copolymers have been synthetized by the polymerization of 2, 6-bis (4-hydrxybenzylidene) cyclohexanone I, 2, 6-bis (3-hydroxybezylidene) cyclohexanone II, or 2, 6-bis (4-hydroxy-3-methoxybenzylidene) cyclohexanone III with isophthaloyl, terphthaloyl, adipoyl, sebacoyl and azobenzene 4, 4-dicaroxyldichloride. The resulting copolyesters were characterized by FT-IR, 1HNMR. The intrinsic viscosity of these copolyesters was used for the determination of the molecular weight. The thermal stabilities of the prepared copolyesters were evaluated thermogravimeteric analysis (TGA). Differential thermal analysis (DTA) was used for determination of glass temperatures. X–ray analysis showed that polymers have low degree of crystallinity. The morphological properties of some selected copolyesters were detected by SEM. The dielectric and electrical resistance, capacitance, inductance, demonstrating the insulator behaviour of copolymers.},
     year = {2017}
    }
    

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    AU  - Momen S. A. Abdelaty
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    AB  - New series of unsaturated copolyesters based on diarylidenecyclohexanone, were synthesized by the interfacial polycondensation polymerization technique. Aldol condensation reaction in acid media was used for preparation of three kinds of monomers and investigated by FT IR and 1H NMR. The copolymers have been synthetized by the polymerization of 2, 6-bis (4-hydrxybenzylidene) cyclohexanone I, 2, 6-bis (3-hydroxybezylidene) cyclohexanone II, or 2, 6-bis (4-hydroxy-3-methoxybenzylidene) cyclohexanone III with isophthaloyl, terphthaloyl, adipoyl, sebacoyl and azobenzene 4, 4-dicaroxyldichloride. The resulting copolyesters were characterized by FT-IR, 1HNMR. The intrinsic viscosity of these copolyesters was used for the determination of the molecular weight. The thermal stabilities of the prepared copolyesters were evaluated thermogravimeteric analysis (TGA). Differential thermal analysis (DTA) was used for determination of glass temperatures. X–ray analysis showed that polymers have low degree of crystallinity. The morphological properties of some selected copolyesters were detected by SEM. The dielectric and electrical resistance, capacitance, inductance, demonstrating the insulator behaviour of copolymers.
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