Mechanics & Industry
Volume 20, Number 8, 2019
Selected scientific topics in recent applied engineering – 20 Years of the ‘French Association of Mechanics – AFM’
|Number of page(s)||5|
|Published online||14 January 2020|
Experimental and modelling aspects of the reactive extrusion process
Université de Lyon, Ingénierie des Matériaux Polymères, UMR CNRS 5223, 69622 Villeurbanne, France
2 MINES ParisTech, PSL Research University, CEMEF, UMR CNRS 7635, CS 10207, 06904 Sophia Antipolis, France
* e-mail: email@example.com
Accepted: 19 July 2019
Reactive extrusion consists in using an extruder as a continuous chemical reactor. It is not a recent process, but it has been rapidly developed during the last thirty years and is more and more used today for the chemical modification of existing polymers. Among the various extrusion systems (single screw extruders, counter- and corotating twin-screw extruders, co-kneaders), the corotating twin-screw extruders are today the most widely used in reactive extrusion. After a presentation of the main advantages and drawbacks of the reactive extrusion, we will describe the way to control the process through on-line and in-line monitoring. Then, a modelling approach based on continuum mechanics will be presented, followed by an example of industrial applications of this particular process.
Key words: Reactive processing / twin-screw extrusion / monitoring / modelling
© P. Cassagnau et al., published by EDP Sciences 2020
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