Extrusion

2nd Edition

The Definitive Processing Guide and Handbook

Authors: Harold F. Giles Jr John R. Wagner, Jr.
Hardcover ISBN: 9781437734812
eBook ISBN: 9781437734829
Imprint: William Andrew
Published Date: 26th September 2013
Page Count: 636
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Table of Contents

Preface to Second Edition

Preface to First Edition

Obituary

Part I: Single Screw Extrusion

1. Extrusion Process

Abstract

1.1 Raw Material Supply

1.2 Raw Material Blending and Mixing

1.3 Drying

1.4 Feeding Polymer to the Extruder

1.5 Extrusion

1.6 Secondary Operations

1.7 Inspection, Packaging, and Shipping

2. Extruder Safety

Abstract

2.1 Hazards Associated with an Extruder

2.2 Proper Training

2.3 Inspection and Housekeeping

2.4 Material Safety

3. Single Screw Extruder: Equipment

Abstract

3.1 Introduction

3.2 Equipment

3.3 Drive

3.4 Feed

3.5 Screw, Barrel, and Heaters

3.6 Die and Adapter

3.7 Controls

3.8 Extruder Devolatilization

3.9 Vertical Extruders

References

4. Plastic Behavior in the Extruder

Abstract

4.1 Feed Zone

4.2 Polymer Melting or Plastication

4.3 Melt Conveying

4.4 Mixing

4.5 Extruder Throughput Calculations

4.6 Devolatilization

4.7 Die

References

5. Screw Design

Abstract

5.1 Barrier Screw

5.2 Mixing Screw

5.3 Screw Wear

5.4 Screw Compression Ratios

5.5 Screw Performance

5.6 Summary

References

6. Processing Conditions

Abstract

6.1 Extruder Temperature Profiles

6.2 Extruder or Production Run Setup

6.3 Start-Up

6.4 Steady-State Operation

6.5 Shutdown and Product Changes

References

7. Scale-Up

Abstract

References

8. Shear Rates, Pressure Drops, and Other Extruder Calculations

Abstract

8.1 Shear Rates

8.2 Extruder Screw Calculations

8.3 Different Extruder Section Output Calculations

References

Part II: Twin Screw Extrusion


Description

The second edition of Extrusion is designed to aid operators, engineers, and managers in extrusion processing in quickly answering practical day-to-day questions. The first part of the book provides the fundamental principles, for operators and engineers, of polymeric materials extrusion processing in single and twin screw extruders. The next section covers advanced topics including troubleshooting, auxiliary equipment, and coextrusion for operators, engineers, and managers. The final part provides applications case studies in key areas for engineers such as compounding, blown film, extrusion blow molding, coating, foam, and reprocessing.

This practical guide to extrusion brings together both equipment and materials processing aspects. It covers basic and advanced topics, for reference and training, in thermoplastics processing in the extruder. Detailed reference data are provided on such important operating conditions as temperatures, start-up procedures, shear rates, pressure drops, and safety.

Key Features

  • A practical guide to the selection, design and optimization of extrusion processes and equipment
  • Designed to improve production efficiency and product quality
  • Focuses on practical fault analysis and troubleshooting techniques

Readership

Engineers working in product and process design, production and manufacturing with plastics.

Plastics Engineers (mostly with an academic background in Mechanical Engineering, Chemical Engineering or Chemistry).


Details

No. of pages:
636
Language:
English
Copyright:
© William Andrew 2013
Published:
Imprint:
William Andrew
eBook ISBN:
9781437734829
Hardcover ISBN:
9781437734812

About the Authors

Harold F. Giles Jr Author

John R. Wagner, Jr. Author

John Wagner is a Director of Crescent Associates, Inc., which specializes in plastic films and flexible packaging. He holds numerous patents on flexible packaging films and coating technology, has contributed to and co-edited The SPE Guide on Extrusion Technology and Troubleshooting and The Plastics Technician’s Toolbox-Extrusion, and is the Editor-in-Chief of the Journal of Plastic Film and Sheeting. He is on the SPE Extrusion Division Board of Directors.

Affiliations and Expertise

Crescent Associates, Inc., Rochester, NY, USA