Blown Film Extrusion 3E

Copyright: 2019
ISBN: 9781569906965
Hardcover: 179 pages
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1 Materials for Blown Film:  Polymers. Additives.

2 Polymer Rheology:  Basic Concepts. Variables Influencing Viscosity. Rheology in Blown Film Extrusion

3 Extrusion Overview:  Extruder Hardware Systems. Inside the Extruder. Extrusion Functional Zones.

4 Hardware for Blown Film:  Upstream Components. Grooved Feed Throat. Screws for Blown Film Extrusion. Blown Film Dies. Bubble Geometry. Bubble Cooling. Bubble Stabilization. Collapsing Frames. Haul-off. Winders. Film Treatment. Line Control.
5 Processing:  Process Variables vs. Bubble Geometry. Characteristic Bubble Ratios. Process/Structure/Property Relationships. Double Bubble Processing.
6 Coextrusion:  Interfacial Instabilities. Product Applications.
7 Film Properties:  Tensile Strength (ASTM D882). Elongation (ASTM D882). Tear Strength (ASTM D1004, ASTM D1922, and D1938). Impact Resistance (ASTM D1709, D3420, and D4272). Blocking Load (ASTM D3354) and Coefficient of Friction (ASTM D1894). Gel (Fisheye) Count (ASTM D3351 and D3596). Low Temperature Brittleness (ASTM D1790). Gloss (ASTM D2457). Transparency (ASTM D1746). Haze (ASTM D1003). Density (ASTM D1505). Melt Index (ASTM D1238). Viscosity by Capillary Rheometry (ASTM D3835).
8 Troubleshooting:  Extruder Problems. Film Problems.
9 Appendices:  The Blown FIlm Extrusion Simulator. Useful Equations.



From hardware and materials through processing and properties, this book presents a broad coverage of blown film extrusion and ensures a useful balance of theory and practice. This book explains certain effects in the blown film process so readers are better able to troubleshoot and improve their operations. Also, current practices and equipment are emphasized to keep readers up-to-date with the most productive and efficient technology.

The companion computer-based learning tool, The Blown Film Extrusion Simulator, is provided to enhance the reader's understanding. This software is developed specifically to teach blown film extrusion equipment and processing principles, and is available for download. Throughout this book, exercises using the simulator are described to complement the methods and principles explained. 

New in this third edition is a chapter on polymer rheology, with an overview of the rheology of polymer melts and its effects on extruding blown film. Additionally, improvements and corrections have been made throughout the book. 

Author Info:

Cantor, K.

Kirk Cantor is a professor of Plastics and Polymer Engineering Technology at the Pennsylvania College of Technology. He holds a Ph.D from the Pennsylvania State University.

His primary consulting areas are extrusion and instructional software for the plastics and polymer industry. He authored the book Blown Film Extrusion, which includes The Blown Film Extrusion Simulator and is available from Hanser Publications. He also provided development work on Interactive Training in Extrusion (ITX) and SPC in Injection Molding with Dr. Chris Rauwendaal of Rauwendaal Extrusion Engineering, Inc.

Cantor developed polymer processing simulators under an Advanced Technology Education grant sponsored by the National Science Foundation. This ATE grant has spawned the Plastics Resources for Educators Program (PREP) and its website.

When he’s not working, Cantor enjoys spending time with family and playing sports such as basketball, softball, and Frisbee. He also enjoys being involved with his church family.