Process Monitoring and...Process Monitoring and Industrial Instruments ›  Material Characterizat...Material Characterization and Testing ›  Modular Lab Extruders ...Modular Lab Extruders & Mixers › HAAKE Rheomex* PTW OS for the HAAKE PolyLab* OS system
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HAAKE Rheomex* PTW OS for the HAAKE PolyLab* OS system

Thermo Scientific* HAAKE Rheomex PTW OS twin screw extruders for the HAAKE PolyLab OS torque rheometer platform focus on lab-scaled continuous compounding.
The parallel mini-compounder HAAKE Rheomex PTW16 OS with its unique design is an ideal instrument for running lab-scaled compounding and blending tests. The HAAKE Rheomex PTW 24 OS is used for continuous compounding applications, in which additives are required to be mixed in and volatile components removed under vacuum during the extrusion process.
 
 
 
 
Part Number Description   Quantity
OSPTW HAAKE Rheomex PTW O
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Continuous compounding with twin-screw extruders

Twin-screw laboratory extruders have a proven record in continuous compounding with feed-dosing of different additives (liquid or solid) along the extruder barrel. The combination of a twin-screw extruder unit with additional sensors offers the ability to measure material properties of the melt during processing.


Typical twin-screw investigations

  • Viscosity and flow behavior of the compound
  • Extrudability and scale-up data
  • Predictions for the injection molding process
  • Morphology of polymer and nano-composites
  • Recycling properties and re-usability of the polymer
  • Influence of screw geometry on processability
  • Decomposition of biopolymers
  • Small sample volumes enable research and development teams to run tests in a very early stage of formulation developments
  • Horizontally split barrel with top half fitting upwards enables an easy inspection of the melting and mixing behavior. For an optimization of this behavior the screws are individually configurable
  • HAAKE Rheomex PTW 24 OS is specially designed to carry out these applications in the laboratory with a cylinder layout and screw geometries taken directly from the production process
  • Individually configurable cylinder and screws allow the adaptation of the barrel to changing requirements in compound development and processing optimization

 
 
 
 
 
 
 
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