Devolatilization (DV) is when volatile contaminants are removed during the extrusion process from a polymer melt due to deleterious effects the residuals may have on product properties. DV is an important part of every polymer process!
Program agenda:
Day 1 Tues., April 29, 2025
- Twin Screw Extrusion Theory: Mixing and Devolatilization, Charlie Martin, Leistritz Extrusion
- Thermodynamic and Scientific Principles Relating to Devolatilization, Rob Jerman, Extrusion Tech. & Innovations
- Vacuum Solutions for the Plastic Industry, Jason Stiel, Busch USA
- Devolatilizations Mechanisms and Scale-up, Bill Thiele, Leistritz Extrusion
- Metering, Die Modeling and Downstream Summary, Brian Haight, Leistritz Extrusion
- Thin Film and Falling Strand Devolatilization, Remington Fisher, LCI Corp.
- Vacuum Systems for Extruder Applications, Jason Fitch, Wintek Corp
- Devolatilization via a Unique Kneader-Reactor Device, Zohar Ophir, Polymer Processing Institute
- Vent Management for High Filler Level Compounds, Sebastian Fraas, Leistritz Germany
Day 2 Wed., April 30, 2025
- Troubleshooting DV Processes, Rob Jerman, Extrusion Tech. & Innovations
- Hints to Improve Multi-stage, High Level Devol Systems, Steve Jackson, WorldWide Compounding
- Best Practice for Preventative Maintenance Twin Screw Systems, Bill Novak, Leistritz Extrusion
- Screw Nomenclature and Assembly/Disassembly, Brian Haight, Leistritz Extrusion
Twin Screw Devolatilization demos @ Leistritz laboratory
- Co-rotating and counterrotating twin screw extruders
- Devolatilization via extrusion: ambient, vacuum assist, multi-stage venting
- Addition of fillers, fibers and additives with relief vents
- Pelletizing system
- Direct sheet/film extrusion with gear pump front-end
For program details: https://leistritz.technical-content.com/devolatilization-workshop/
