Cure Kinetics of Samarium-doped Fe3O4/Epoxy Nanocomposites

Maryam Jouyandeh; Mohammad Reza Ganjali; Mehdi Mehrpooya; Otman Abida; Karam Jabbour; Navid Rabiee; Sajjad Habibzadeh; Amin Hamed Mashahdzadeh; Alberto García-Peñas; Florian J. Stadler; Mohammad Reza Saeb

doi:10.20944/preprints202112.0102.v1

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preprints.org > chemistry and materials science > polymers and plastics > doi: 10.20944/preprints202112.0102.v1

Preprint Communication Version 1 Preserved in Portico This version is not peer-reviewed

Cure Kinetics of Samarium-doped Fe3O4/Epoxy Nanocomposites

Maryam Jouyandeh

Mohammad Reza Ganjali

Amin Hamed Mashahdzadeh

Alberto García-Peñas

Florian J. Stadler

^* ,

Mohammad Reza Saeb

Version 1 : Received: 6 December 2021 / Approved: 7 December 2021 / Online: 7 December 2021 (12:42:47 CET)

A peer-reviewed article of this Preprint also exists.

Jouyandeh, M.; Ganjali, M.R.; Mehrpooya, M.; Abida, O.; Jabbour, K.; Rabiee, N.; Habibzadeh, S.; Mashahdzadeh, A.H.; García-Peñas, A.; Stadler, F.J.; Saeb, M.R. Cure Kinetics of Samarium-Doped Fe₃O₄/Epoxy Nanocomposites. J. Compos. Sci. 2022, 6, 29. Jouyandeh, M.; Ganjali, M.R.; Mehrpooya, M.; Abida, O.; Jabbour, K.; Rabiee, N.; Habibzadeh, S.; Mashahdzadeh, A.H.; García-Peñas, A.; Stadler, F.J.; Saeb, M.R. Cure Kinetics of Samarium-Doped Fe3O4/Epoxy Nanocomposites. J. Compos. Sci. 2022, 6, 29.

DOI: 10.3390/jcs6010029

Cite as:

Abstract

There was a question on “how lanthanides doping in iron oxide affects cure kinetics of epoxy-based nanocomposites?” To answer, we synthesized samarium (Sm)-doped Fe3O4 nanoparticles via electrochemical method and characterized it using FTIR, XRD, FE-SEM, EDX, TEM, and XPS analyses. The magnetic particles were uniformly dispersed in epoxy resin to increase the curability of the epoxy/amine system. The effect of the lanthanide dopant on the curing reaction of epoxy with amine was explored by modeling DSC experimental data based on model-free methodology. It was found that Sm3+ in the structure of Fe3O4 crystal participates in cross-linking of epoxy by catalyzing the reaction between epoxide rings and amine groups of curing agents. In addition, the etherification reaction of active OH groups on the surface of nanoparticles reacts with epoxy rings which prolongs the reaction time at the late stage of reaction where diffusion is the dominant mechanism.

Keywords

Lanthanide; Samarium (Sm)-doped Fe3O4 nanoparticles; Epoxy coating; Anticorrosion; Curing reaction.

Subject

Chemistry and Materials Science, Polymers and Plastics

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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