A5022164553- biodegradable polymer synthesis and properties
- Carbon dioxide utilization in catalysis
- Polymer composites and self-healing
- Iterative Learning Control Systems
- Advanced Sensor and Energy Harvesting Materials
- Manufacturing Process and Optimization
- Advanced Manufacturing and Logistics Optimization
- Electrospun Nanofibers in Biomedical Applications
- Additive Manufacturing and 3D Printing Technologies
- Hydraulic and Pneumatic Systems
- Process Optimization and Integration
- Advanced Control Systems Optimization
Fraunhofer Institute for Chemical Technology
2022-2023
Development of hydrophobically modified ethoxylated urethane (HEUR) rheology modifiers enabled the widespread application waterborne paints and coatings, replacing their environmentally burdening solvent-based predecessors. However, diisocyanates, required for conventional synthesis HEURs, pose severe eco-sustainability threats. In this paper, we demonstrate an innovative approach to avoiding toxic components in preparation by obtaining a new class water-soluble isocyanate-free...
Abstract In this work, the methodology for optimal design, operation and scale‐up of reactive extrusion processes in twin‐screw extruders previously presented Reference (Cegla Engell, 2023). is applied to production hydrophobically ethoxylated urethanes (HEURs). The new process a promising alternative current batch technology large reactors with long residence times. We demonstrate use model‐based design case. A novel mechanistic finite volume extruder model used as model, which adapted at...
In this contribution, Real-Time Optimization with Modifier Adaptation and Quadratic Approximation (MAWQA) is experimentally applied to a pilot-scale 18 mm reactive extruder for the production of hydrophobically modified ethoxylated urethanes which are used as rheological paint additives. Standard model-based control in application not applicable because complex coupling chemical reaction, internal flows within equipment, high sensitivity external disturbances. The optimization performed goal...