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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 (https://creativecommons.org/licenses/by/4.0/).
Frequency sweep test of 5b in toluene/dioxane (10:1; Δ), m-xylene (◯), and benzene (▼). Red symbols correspond to storage modulus (G′), while blue symbols are loss modulus (G″).