An Introduction to Polymer Rheology and Processing is a practical desk reference providing an overview of operating principles, data interpretation, and qualitative explanation of the importance and relationship of rheology to polymer processing operations. It covers full-scale processing operations, relating industrial processing operations and design methodology to laboratory-scale testing. Hundreds of design formulas applicable to scaling up the processing behavior of polymeric melts are presented. The book also provides a "working knowledge" description of major rheological test methods useful in product development and includes a useful glossary of polymer and test method/instrumentation definitions.

Lavishly illustrated and featuring numerous sample calculations and modeling approaches, An Introduction to Polymer Rheology and Processing is a "must have" book for polymer engineers and rheologists.

Contenuti

INTRODUCTION TO RHEOLOGY. General Remarks. Constitutive Equations. Shear Flow and Elongation. Classification of Non-Newtonian Behavior Through Flow Curves. Constitutive Equations for Pseudoplasticity. References. CONVENTIONAL VISCOMETERS AND GENERAL CONCEPTS. Introduction. Analysis of Capillary Flow. Capillary Viscometry. Concentric Cylinder Rotary and Rotating Cylinder Viscometers. Cone-and-Plate Viscometer. Sandwich Viscometer. Parallel-Disk Viscometer. Slit Rheometer. Melt Flow Indexer. Elongational Flow Devices. Stress Relaxation and Small Strain Measurements. Flow Birefringence Measurements. Swell and Shrinkage Tests. Viscometric Techniques for Different Industries. References. VISCOMETRIC TECHNIQUES AND ANALYSIS OF STEADY-STATE FLOWS. Poiseuille Flow and the Capillary Viscometer. Viscous Heat Generation. References. NORMAL STRESS MEASUREMENTS. Introduction. Analysis of the Capillary Jet. Normal Stresses in the Cone-and-Plate Configuration. Parallel-Plate Configuration. Concentric Cylinder (Couette) System. Elongational Flows. Dynamic Measurements. Creep and Relaxation. RHEOMETRIC TECHNIQUES FOR POLYMER MELTS. Practical Considerations of Rheology. Rheology and Polymer Structure. Rheometric Applications. TORQUE RHEOMETERS AND PROCESSIBILITY TESTING. Introduction and General Information. Miniaturized Internal Mixer (MIM). Relationship between Torque and Shear Stress/RPM and Shear Rate. Single Screw Extrusion. Twin Screw Extrusion. References. RHEOLOGY AND INTRODUCITON TO POLYMER PROCESSING. Thermal History. Effect of Pressure. Time History. Stress and Deformation Geometry. Flows Through Complex Geometry. POLYMER PROCESSING OPERATIONS. Introduction. Mixing Operations. Extruders and the Extrusion Process. Calendaring Operations. Molding. Ultrasonic Parts Assembly. APPENDIX A: ABBREVIATIONS OF POLYMERS. APPENDIX B: GLOSSARY OF POLYMERS AND TESTING. APPENDIX C: DESCRIPTION OF PROFESSIONAL AND TESTING ORGANIZATIONS. INDEX.

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