Fundamentals: Polymer Blends: Introduction -- Thermodynamics of Polymer Blends -- Crystallization, Micro- and Nano-structure, and Melting Behavior of Polymer Blends -- Interphase and Compatibilization by Addition of a Compatibilizer -- Reactive Compatibilization -- Interpenetrating Polymer Networks -- Rheology of Polymer Alloys and Blends -- Morphology of Polymer Blends -- Compounding Polymer Blends -- Properties: Properties and Performance of Polymer Blends -- Mechanical Properties of Polymer Blends -- Broadband Dielectric Spectroscopy on Polymer Blends -- Physical Aging of Polymer Blends -- Degradation, Stabilization, and Flammability of Polymer Blends -- APPLICATIONS: Applications of Polymer Blends -- High Performance Polymer Alloys and Blends for Special Applications -- Polymer Blends Containing "Nanoparticles" -- Polyethylenes and their Blends -- Commercial Polymer Blends -- Recycling Polymer Blends -- Miscible Polymer Blends -- Appendices: Appendix I. International Abbreviations for Polymers and Polymer Processing -- Appendix II. Examples of Commercial Polymer Blends -- Appendix III. Dictionary of Terms Used in Polymer Science and Technology -- Appendix IV. Trade Names of Polymers and their Blends -- Appendix V. Commercialization Dates of Selected Polymers -- Appendix VI. Notation and Symbols.