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. 2019 Dec 14;11(12):2103. doi: 10.3390/polym11122103

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© 2019 by the authors.

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/).

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Influence of plasticized pressure on the distribution of inter-pellets friction angle of plasticized samples (UA = 25 μm, VT = 1.5 s): (a) PMMA; (b) PP; (c) PA66; (d) Evolution of the inter-pellets friction angle.