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Online Course

Twin Screw Extrusion: Troubleshooting Compounding Challenges

15 Days left to register

Wednesday Sep 6, 2017

Troubleshoot your compounding challenges with twin-screw extruders by knowing how to adjust processing parameters (screw profile, temp., throughput...) for any material or batch-size.

Our expert Luis Roca will help you increase productivity rate, minimize contaminants... by correlating compounding instabilities with the interactions between extruder configuration, process parameters and response variables (residence time, specific mechanical energy).

Read the full Course Outline

Luis Roca Presented By:
Luis Roca

Length: 90 min

Course Type: Technology
Level: Intermediate

Next Session: Sep 6, 2017
10:00 a.m. (New York City)
4:00 p.m. (Paris)

Check your local time

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Why should you attend?

Twin-screw extruder has been the equipment of choice for a long time.  However, compounders still face processing challenges (increase productivity rate, minimize contaminants, melt fracture...) due to the new additives/polymers introduced faster every year. Most of these challenges can be avoided if one knows how to adjust processing parameters… Join this course and :


  1. Reach faster desired properties (tensile strength, HDT...) in your materials by wisely adjusting twin screw extrusion parameters (polymer flow rate, screw profile, temp....)

  2. Easily adapt your extrusion to suit new material or batch-size constraints thanks to a better understanding of extrusion science & rheology principles (melt-flow, flow stability…) 

  3. Troubleshoot compounding instabilities (melt disturbance, surging…) by implementing the tips & tricks from the expert

Who should attend?

R&D Chemists, Engineers working with twin-screw extrusion at Compounders, Masterbatchers, who want to achieve new performance levels and solve faster problems they regularly encounter.

Course Outline

The following sections will be covered during this session: 
  1. Introduction to Twin-Screw Extrusion
    • Co-rotating Twin screw extruders (Co-TSE) characteristics
    • Influence of extruder configuration (types, geometry, size, throughput)
    • Extrusion Science & Rheology Principles

  2. Compounding Design Process

  3. Selection of Screws (design/profile)based on the desired properties and end-use

  4. Optimization of process parameters
    • Feeding, melting, mixing, venting, pressurization
    • Effect of temperature, pressure and other process parameters
    • Response variables (Melt pressure, Specific Energy, Torque, residence time) & their roles
    • Correlation of Process parameters, response variables and their effect on overall performance (through simulation)

  5. Troubleshooting Compounding instabilities (melt-fracture, surging...)

  6. 30 mins Q&A- ask your questions directly from the expert !

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Members Reviews

Excellent course ! I learned the specific strategies for optimizing the twin-screw compounding process

David C. , from Zoltek Corporation

The course both reinforced current knowledge and provided some new knowledge.

Josef K. , from Champlain Cable Corp

It is a good overview of main parameters to be monitored/controlled during extrusion activities.

Manuela B. , from Vamptech Spa

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