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Curing Epoxy With Polyethylene Glycol (Peg) Surface-Functionalized Nixfe3-Xo4magnetic Nanoparticles Publisher



Jouyandeh M1 ; Karami Z1 ; Ali JA2 ; Karimzadeh I3 ; Aghazadeh M1 ; Laoutid F4 ; Vahabi H5, 6 ; Saeb MR7 ; Ganjali MR1, 8 ; Dubois P4
Authors
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Authors Affiliations
  1. 1. Center of Excellence in Electrochemistry, School of Chemistry, College of Science, University of Tehran, Tehran, Iran
  2. 2. Department of Petroleum Engineering, Faculty of Engineering, Soran University, Kurdistan Region, Iraq
  3. 3. Department of Physics, Bonab Branch, Islamic Azad University, Bonab, Iran
  4. 4. Service des Materiaux Polymeres et Composites (SMPC), Centre d'Innovation et de Recherche en Materiaux et Polymeres (CIRMAP), Universite de Mons – UMONS / Materianova, Place du Parc 20, Mons, 7000, Belgium
  5. 5. Universite de Lorraine, CentraleSupelec, LMOPS, Metz, F-57000, France
  6. 6. Laboratoire Materiaux Optiques, Photoniques et Systemes, CentraleSupelec, Universite Paris-Saclay, Metz, 57070, France
  7. 7. Department of Resin and Additives, Institute for Color Science and Technology, P.O. Box: 16765-654, Tehran, Iran
  8. 8. Biosensor Research Center, Endocrinology and Metabolism Molecular-Cellular Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran

Source: Progress in Organic Coatings Published:2019


Abstract

Properties of thermoset nanocomposites are dependent on cross-link density of resin network. Surface modification was known as the main solution to nanoparticle aggregation problem. Although surface modification can assist in reaction between curing moieties, tuning cross-link density of network remains as a challenge for desired properties. In this work, naked, polyethylene glycol (PEG)-capped (surface modified) and Ni2+-doped PEG-capped (surface-bulk modified) magnetic iron oxide (MIO) nanoparticles were synthesized via cathodic electrodeposition, and then characterized by X-ray diffraction, field-emission scanning electron microscopy, vibrating sample magnetometry and Fourier transform infrared spectroscopy. Low filled epoxy nanocomposites containing 0.1 wt.% of three aforementioned MIOs were prepared and underwent dynamic differential scanning calorimetry (DSC). The quality of cure of nanocomposites was studied by Cure Index criterion. Appling different heating rates in DSC analyses uncovered the role of bulk and surface-bulk treatment of MIO, by which firs steps were taken toward development of epoxy nanocomposites with tunable cross-link density. © 2019 Elsevier B.V.
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