Abstract: Reactive extrusion offers a more flexible alternative to polymerization in the presence of a solution, suspension, or emulsion and subsequent compounding. In reactive extrusion, the co-rotating, intermeshing twin-screw extruder that is traditionally used to melt, homogenize, and pump polymers through dies for compounding, is used for the synthesis of polymers. One advantage of reactive extrusion is the absence of solvents as a reaction medium, as melts with different viscosities can be processed in a twin-screw extruder. A typical reactive extrusion process involves the following procedure: the reactants are fed through the main hopper into the twin-screw extruder, where the reactants are heated up to start the chemical reaction. The reactive extrusion offers many possibilities for flexible and economic production of materials with specific characteristics. In addition, the continuous process, the narrow residence time distribution, and the high flexibility also enable the economic production of small amounts of specialty polymers.
Publication Year: 2017
Publication Date: 2017-10-06
Language: en
Type: other
Indexed In: ['crossref']
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Cited By Count: 10
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