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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/).
Effect of angular frequency on complex viscosity at different temperatures of the PVAP/PEG 3000 blend (A). Comparison of frequency sweeps of the PVAP/PEG 3000 blend at 120 and 140 °C with copovidone at 150 °C (B).