Transparent nanocomposite coatings based on epoxy and layered double hydroxide: Nonisothermal cure kinetics and viscoelastic behavior assessments - Publikacja - MOST Wiedzy

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Transparent nanocomposite coatings based on epoxy and layered double hydroxide: Nonisothermal cure kinetics and viscoelastic behavior assessments

Abstrakt

Layered double hydroxide (LDH) has a particular place in clay family because of its flame retardant action. The nanoplatelet-like structure of LDH makes possible development of polymer composites with cationic or anionic nature structures in which macromolecules are positioned in between nanoplatelet galleries. In this work, neat epoxy and its transparent nanocomposite coatings with sodium dodecylbenzene sulfonate (SDBS)-modified LDHs; Mg-Al and Zn-Al LDHs, were prepared and their cure kinetics and viscoelastic behavior were tracked through nonisothermal calorimetric and dynamic mechanical analyses. The higher progression of crosslinking in the epoxy network was observed for epoxy/Zn-Al LDH nanocomposites, while activation energy of cure reaction took a higher value for Mg-Al LDH-incorporated systems. Moreover, epoxy/Mg-Al LDH system revealed higher value of storage modulus and glass transition temperature thanks to larger galleries of Mg-Al nanoplatelets. Network formation in the presence of SDBS-modified Zn-Al LDH nanoplatelets was facilitated due to the action of Zn metal as an adduct with a lone-pair of oxygen atom of epoxy leading to an enhanced epoxy ring-opening. Viscoelastic behavior of transparent coatings containing Zn-Al LDH and Mg-Al LDH was studied through temperature-sweep test at various frequencies to compare the results of calorimetric and thermo-mechanical analyses.

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Autorzy (11)

  • Zdjęcie użytkownika  Hadi Rastin

    Hadi Rastin

    • University of Tehran, Tehran, Iran School of Chemical Engineering, College of Engineering
  • Zdjęcie użytkownika  Mohammad Saeb

    Mohammad Saeb

    • Institute for Color Science and Technology, Tehran, Iran Department of Resin and Additives
  • Zdjęcie użytkownika  Milad Nonahal

    Milad Nonahal

    • University of Tehran, Tehran, Iran School of Chemical Engineering, College of Engineering
  • Zdjęcie użytkownika  Meisam Shabanian

    Meisam Shabanian

    • Standard Research Institute (SRI), Karaj, Iran Faculty of Chemistry and Petrochemical Engineering
  • Zdjęcie użytkownika  Henri Vahabi

    Henri Vahabi

    • Université de Lorraine, Metz, France Laboratoire MOPS E.A.
  • Zdjęcie użytkownika  Xavier Gabrion

    Xavier Gabrion

    • University Bourgogne-Franche-Comté, Besançon, France FEMTO-ST Institute, Department of Applied Mechanics
  • Zdjęcie użytkownika  Farzad Seidi

    Farzad Seidi

    • Vidyasirimedhi Institute of Science and Technology, Rayong, Thailand Department of Materials Science and Engineering, School of Molecular Science and Engineering
  • Zdjęcie użytkownika  Payam Zarrintaj

    Payam Zarrintaj

    • University of Tehran, Tehran, Iran School of Chemical Engineering, College of Engineering
  • Zdjęcie użytkownika  Morteza Sari

    Morteza Sari

    • Institute for Color Science and Technology, Tehran, Iran Department of Nanomaterials and Nanocoatings
  • Zdjęcie użytkownika  Pascal Laheurte

    Pascal Laheurte

    • Universite de Lorraine, Metz, France Laboratoire LEM3

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Informacje szczegółowe

Kategoria:
Publikacja w czasopiśmie
Typ:
artykuł w czasopiśmie wyróżnionym w JCR
Opublikowano w:
PROGRESS IN ORGANIC COATINGS nr 113, strony 126 - 135,
ISSN: 0300-9440
Język:
angielski
Rok wydania:
2017
Opis bibliograficzny:
Rastin H., Saeb M., Nonahal M., Shabanian M., Vahabi H., Formela K., Gabrion X., Seidi F., Zarrintaj P., Sari M., Laheurte P.: Transparent nanocomposite coatings based on epoxy and layered double hydroxide: Nonisothermal cure kinetics and viscoelastic behavior assessments// PROGRESS IN ORGANIC COATINGS. -Vol. 113, (2017), s.126-135
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1016/j.porgcoat.2017.09.003
Weryfikacja:
Politechnika Gdańska

wyświetlono 171 razy

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