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An Analytical Model of the Conveying Behaviour of Closely Intermeshing Co-rotating Twin Screw Extruders
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W. Michaeli
Published/Copyright:
May 28, 2013
Abstract
Closely intermeshing, co-rotating, twin-screw extruders are increasingly being used for polymer preparation and reactive extrusion. For a theoretical description of these processes, not only the mechanism of reaction kinetics but also aspects of heat transfer and in particular the conveying behaviour of modular twin-screw extruders must be taken into account. Using practical examples, this work sets out to evaluate the possibility of predicting process parameters such as melt temperature, drive power, degree of filling and pressure build-up as functions of screw geometry. To this end, trials with two twin-screw extruders of different size were carried out.
Received: 1994-12-13
Accepted: 1995-9-13
Published Online: 2013-05-28
Published in Print: 1996-05-01
© 1996, Carl Hanser Verlag, Munich
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Articles in the same Issue
- Contents
- Contents
- Editorial
- Eighteenth in a Series: Toshiba Machine
- Screw Extrusion
- Theoretical and Experimental Investigations of the Melting of Pellets in Co-Rotating Twin-Screw Extruders
- An Improved Flow Simulation Model for a Tangential Counter-Rotating Twin Screw Extruder
- Modeling and Experimental Study of the Flow in a Simplified Cavity Transfer Mixer
- An Analytical Model of the Conveying Behaviour of Closely Intermeshing Co-rotating Twin Screw Extruders
- Reactive Processing
- Simulation of Continuous Polymerization in a Modular Intermeshing Co-rotating Twin Screw Extruder
- Reactive Blending in a Twin Screw Extruder
- Die Extrusion
- Viscoelastic Simulations of Stratified Bicomponent Extrusion through Slit Dies
- Fibers
- Spinnability of Polymer Melts – a Complex Problem in Basic Research1)
- Molding
- Structure and Properties of Inflation Films of β-Phase Nucleating Agent-Added Polypropylene
- Inverse Modeling of Injection Molding Thermal Stresses to Optimize Temperature and Pressure History
- An Assessment of Thermal Stresses in Injection Moulded ABS Copolymer
- Rapid Communications
- Experimental Study on the Injection Compression Molding of Parts with Precision Contours
Articles in the same Issue
- Contents
- Contents
- Editorial
- Eighteenth in a Series: Toshiba Machine
- Screw Extrusion
- Theoretical and Experimental Investigations of the Melting of Pellets in Co-Rotating Twin-Screw Extruders
- An Improved Flow Simulation Model for a Tangential Counter-Rotating Twin Screw Extruder
- Modeling and Experimental Study of the Flow in a Simplified Cavity Transfer Mixer
- An Analytical Model of the Conveying Behaviour of Closely Intermeshing Co-rotating Twin Screw Extruders
- Reactive Processing
- Simulation of Continuous Polymerization in a Modular Intermeshing Co-rotating Twin Screw Extruder
- Reactive Blending in a Twin Screw Extruder
- Die Extrusion
- Viscoelastic Simulations of Stratified Bicomponent Extrusion through Slit Dies
- Fibers
- Spinnability of Polymer Melts – a Complex Problem in Basic Research1)
- Molding
- Structure and Properties of Inflation Films of β-Phase Nucleating Agent-Added Polypropylene
- Inverse Modeling of Injection Molding Thermal Stresses to Optimize Temperature and Pressure History
- An Assessment of Thermal Stresses in Injection Moulded ABS Copolymer
- Rapid Communications
- Experimental Study on the Injection Compression Molding of Parts with Precision Contours
