Rheology

List of Contributors

Preface

Contents of Previous Volumes


1. Application of Large Deformation Theory to the Thermomechanical Behavior of Rubberlike Polymers—Porous, Unfilled, and Filled

I. Introduction

II. Brief Review of Large Deformation Theory (Isothermal)

III. Empirical Behavior of Porous, Unfilled, and Filled Rubberlike Polymers

IV. Thermoelastic Theory of Large Homogeneous Deformation

V. Evaluation of Failure Data

VI. Problems Connected with the Interpretation of Mechanical Response Parameters

Nomenclature


2. Unstable Flow of Molten Polymers

I. Introduction

II. Apparatus and Terminology

III. Waviness

IV. Direct Observation of Waviness Phenomena

V. Unstable Flow of a Second Type—Ripple and Associated Effects

VI. Mechanism Proposed for Unstable Flow

Nomenclature


3. Elasticity Effects in Polymer Extrusion

I. Introduction

II. Experimental Measurements and Analysis

III. Experimental Results on Postextrusion Swelling

IV. Die Geometry and Postextrusion Swell

V. Postextrusion Die Swell and Normal Stresses

VI. Elasticity and Molecular Structure

VII. Flow Defects and Melt Elasticity

VIII. Die Entry Effects

IX. Flow Defects Other than Melt Fracture

Nomenclature


4. Strength and Extensibility of Elastomers

I. Introduction

II. Characterization of Ultimate Properties in Simple Tension

III. Dependence of Ultimate Tensile Properties on Network Structure

IV. Considerations of the Rupture Mechanism

V. Crystallization and Reinforcement

VI. Concluding and Summary Remarks

Nomenclature


5. Free Volume and Polymer Rheology

I. The Glass Transition and Free Volume

II. Reappraisal of Time-Temperature Superposition

III. Thermodynamic Equations of State

IV. Free Volume and Physical State

V. Summary and Conclusions

Appendix I : Temperature-Pressure Dependent Free Volume for a Lennard-Jones Lattice

Appendix II: Comparison of Classical and Van der Waals' Equations of Imperfect Gases

Nomenclature


6. Studies of the Deformation of Crystalline Polymers

I. Introduction

II. Relative Orientation of Ordered and Disordered Regions

III. Rate of Orientation of Crystalline Regions

IV. Deformation of Superstructure

V. Contribution of the Two Orientation Processes to the Birefringence

VI. Studies on Oriented Samples

VII. Dynamic Birefringence

Nomenclature


7. Deformation and Dissipative Processes in High Polymeric Solids

I. Introduction

II. Experimental Methods and Typical Results

III. Mechanisms of Large Deformations of Crystalline Polymers

IV. Relaxation Mechanisms

V. Mechanisms of Deformation—Concluding Remarks

Nomenclature


8. Thermodynamics of Deformation; Calorimetric Investigations of Deformation Processes

I. Introduction

II. Definition of the Problem

III. Complete Energy Balance for the Deformation

IV. Experimental Methods

V. Theory

VI. Selected Examples

Nomenclature


9. The Rheology of Textile Fabrics

I. The Technical Background and Principles of Fabric Structure

II. The Geometry and Tensional Behavior of Yarns

III. Measurements of Rheological Properties of Fabrics

IV. Structure and Elastic Behavior of Fabrics

V. Inelastic Behavior of Fabrics

VI. Dynamic and Strength Properties of Fabrics

VII. The Range of Fabric and Related Structures

Appendix : Recent Work

Nomenclature


10. Rheology of Paper

I. Introduction

II. Structural Aspects

III. Stress-Strain Properties

IV. Stress Relaxation

V. The F(σ0) Relationship with Special Reference to Internal Stresses in Paper

VI. Creep

VII. Dynamic Mechanical Properties

VIII. Final Remarks

Nomenclature

Author Index

Subject Index