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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
Storage (G′, hollow symbols) and loss modulus (G″, solid symbols) versus time for the pure EC01–isophorondiamine (IPDA) epoxy resin, (black color) and the 3 wt.% filler-based solutions: DBA and oDBA (red and blue color, respectively).