Specific Interactions and the Miscibility of Polymer Blends

Abstract

Preface, Glossary of Common Symbols 1. THE THERMODYNAMICS OF MIXING * Introduction to Theories of Mixing * Intermolecular Interactions * Regular Solutions * Polymer Solutions and Blends * Phase Separation in Polymer Solution and Blends * Simple Models for the Description of Phase Behavior of Polymer Blends * References 2. A PRACTICAL GUIDE TO POLYMER MISCIBILITY * Introduction * Estimation of x from Solubility Parameters * Simple Rules Governing Miscibility in Polymer Blends * Very Weak or Nonexistent Favorable Intermolecular Interactions * Relatively Weak Favorable Intermolecular Interactions * Relatively Strong Favorable Intermolecular Interactions * References 3. THE NATURE OF THE HYDROGEN BOND * Introduction * What Is a Hydrogen Bond? * Experimental Characterization of Hydrogen Bonds * Hydrogen Bonding in Polymers * References 4. EQUILIBRIUM CONSTANTS AND STOICHIOMETRY OF HYDROGEN BONDING * Introduction * Association Models and Equilibrium Constant Definitions * Stoichiometry of Hydrogen Bonding and Relationship to Infrared Spectroscopic Measurements * Hydrogen Bonding in Polymers * Flory Lattice Model for Mixing Heterogeneous Polymers * Transferable Equilibrium Constants * References 5. VIBRATIONAL SPECTROSCOPY AND THE HYDROGEN BOND * Introduction * Origin of Vibrational Spectrum * Practice of Infrared Spectroscopy * Vibrational Spectrum of Hydrogen Bonded Systems * Quantitative Infrared Spectroscopic Measurement of the Fraction of Hydrogen Bonded Groups * Mapping Phase Diagrams Using Infrared Spectroscopy * References 6. ASSOCIATION MODELS AND THERMODYNAMICS OF MIXING MOLECULES WITH STRONG SPECIFIC INTERACTIONS * Introduction-Why Use Association Models? * Hydrogen Bonding in Small Molecules-Open Chain Association in Mixtures Where One Component Self-Associates * Thermodynamics: Properties of Associated Solutions * A Simplified Expression for the Free Energy * Hydrogen Bonding in Polymer Mixtures_Linear Association * Chemical Potentials * Dependence of Equilibrium Constants on Molecular Weight and Chain Sti=ness * Phase Behavior * Self-Association and the Enthalpy and Entropy of Mixing * Free Volume Effects in Mixing of Polymers That Hydrogen Bond * References * Appendices: 1. Self-Association Through Formation of Cyclic Dimers 2. Linear Self-Association Described by Two Equilibrium Constants 7. CALCULATION OF PHASE DIAGRAMS OF STRONGLY INTERACTING POLYMERS * Introduction * Homopolymer (Self-Associated)-Homopolymer (non Self-Associated) Systems * Homopolymer (Self-Associated)-Copolymer (Non Self-Associated) Systems * Homopolymer (Non Self-Associated)-Copolymer (Self-Associated) Systems * Copolymer (Non Self-Associated)-Copolymer (Self-Associated) Systems * References Index 15 Tables, 242 Figures, 288 References