Extrusion

Extrusion

The Definitive Processing Guide and Handbook

1st Edition - December 31, 2004

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  • Authors: Harold F. Giles, Jr., Eldridge M. Mount III, John R. Wagner, Jr.
  • eBook ISBN: 9780815517115

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Description

Why is it important to get to equilibrium and how long does it take? Are there problems running polypropylene profiles on a single screw extruder? Does the job involve compounding color concentrates on a corotating twin screw extruder? This unique reference work is designed to aid operators, engineers, and managers in quickly answering such practical day-to-day questions in extrusion processing. This comprehensive volume is divided into 7 Parts. It contains detailed reference data on such important operating conditions as temperatures, start-up procedures, shear rates, pressure drops, and safety. This reference is a practical guide to extrusion bringing together both the equipment and materials processing aspects. It provides basic and advanced topics about the thermoplastics processing in the extruder, for reference and training. Parts 1 û 3, emphasize the fundamentals, for operators and engineers, of polymeric materials extrusion processing in single and twin screw extruders. Parts 4 û 7 treat advanced topics including troubleshooting, auxiliary equipment, and coextrusion for operators, engineers, and managers. Extensive applications in Part 7 cover such contemporary areas as compounding, blown film, extrusion blow molding, coating, foam, and reprocessing. Each chapter includes review topics.

Readership

Everyone involved in the extrusion industry needing a reference that deals with all the day-to-day activities in processing plastics, including troubleshooting.

Table of Contents

  • Single Screw Extrusion
    Extrusion Process
    Extrusion Safety
    Equipment
    Plastic Behavior
    Screw Design
    Processing Conditions
    Scale-up
    Shear Rates, Pressure Drops, and Other Extruder Calculations
    Glossary
    Twin Screw Extrusion
    Extrusion Process
    Extrusion Safety
    Equipment: Corotating, Counter-rotating, Non-intermeshing, and Conical
    Plastic Behavior
    Screw Design
    Shear Rates, and Other Twin Screw Calculations
    Polymeric Materials
    Definition and Identification of Different Polymer Types
    Polymerization Mechanism
    Polymer Types and Structure
    Effect of Molecular Weight on Extrusion
    Crystalline versus Amorphous Polymers
    Rheology
    Physical Properties
    Polymer Processing

    PART 2
    Troubleshooting the Extrusion Process
    Problem Solving
    Five Step Process
    Design of Experiments
    Quality
    Troubleshooting: Mechanical, Product, Sheet, Coextrusion, Pipe/Profile, Blown Film, Cast Film
    Auxiliary Equipment
    Feed Systems/Blenders
    Gravimetric/Volumetric Feeders
    Resin Dryers
    Gear Pumps
    Screen Changers
    Granulators/Pulverizers
    Screw Cleaning
    Purge Materials
    Coextrusion
    Objective of Coextrusion
    Equipment
    Material Consideration
    Extrusion Applications
    Compounding
    Sheet/Film
    Blown Film
    Profile
    Pipe/Tubing
    Wire Coating
    Monofilament
    Extrusion Blow Molding
    Coating/Lamination
    Foam
    Coextrusion
    Reprocessing

Product details

  • No. of pages: 560
  • Language: English
  • Copyright: © William Andrew 2007
  • Published: December 31, 2004
  • Imprint: William Andrew
  • eBook ISBN: 9780815517115

About the Authors

Harold F. Giles, Jr.

Eldridge M. Mount III

Affiliations and Expertise

Crescent Associates, Inc., Rochester, NY, USA

John R. Wagner, Jr.

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

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