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Carboxyl terminated polyamide 12 chain extension by reactive extrusion using a dioxazoline coupling agent. Part II: Effects of extrusion conditions

Abstract : Condensation reactions between a carboxyl terminated polyamide 12 and a dioxazoline carried out by reactive extrusion have been characterized in the first part of this study. In the present paper, we focus on the influence of extrusion conditions on reaction progress. Influences of screw profile, screw speed, barrel temperature and feed rate have been established. The use of a flow computation software permitted confirmation of the importance of thermal and mechanical degradations in the condensation process.
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Submitted on : Friday, November 5, 2010 - 2:43:44 PM
Last modification on : Monday, March 29, 2021 - 1:12:02 PM

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Yvan Chalamet, Mohammed Taha, Françoise Berzin, Bruno Vergnes. Carboxyl terminated polyamide 12 chain extension by reactive extrusion using a dioxazoline coupling agent. Part II: Effects of extrusion conditions. Polymer Engineering and Science, Wiley-Blackwell, 2002, 42 (12), p.2317-2327. ⟨10.1002/pen.11118⟩. ⟨hal-00533207⟩

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