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. 2022 Jan 10;14(2):274. doi: 10.3390/polym14020274

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© 2022 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 (https://creativecommons.org/licenses/by/4.0/).

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Melting mechanisms for polymer extrusion: (a) CSM mechanism (Contiguous Solid Melting) for flood fed single screw extrusion [53] (b) melting mechanism for counter-rotating twin screw extrusion [54].