Cover -- Table of Contents -- 1 Introduction -- References -- 2 Polymers Exhibiting Thermochromic Properties Themselves -- 2.1 Liquid Crystalline Polymers with a Helical Superstructure -- 2.2 Conjugated Polymers -- 2.3 Swollen Gel Networks -- 2.4 Applications -- References -- 3 Polymer Materials Doped with Thermochromic Additives -- 3.1 Leuco Dye-Developer-Solvent Systems -- 3.1.1 Thermochromic Thermoplastic Polymers -- 3.1.2 Thermochromic Thermosetting Polymers -- 3.1.3 Light Stability of Leuco Dyes -- 3.2 Inorganic Pigments -- 3.3 Conjugated Polymers -- 3.4 Comparison Between the Three Different Classes of Thermochromic Additives -- 3.5 Inorganic-Organic Hybrid Materials -- 3.6 Applications -- 3.6.1 Thermoplastics -- 3.6.2 Potential Future Applications -- References -- 4 Interaction Between Polymer Matrix and Additive as Origin of Thermochromism -- 4.1 Crystalline Colloidal Arrays Embedded in Swollen Gel Networks -- 4.2 Dyes Embedded in Polymer Gel Networks -- 4.3 Applications -- References -- 5 Thermotropic Polymer Systems -- 5.1 Polymer Blends -- 5.2 Thermotropic Polymer Gel Networks -- 5.2.1 Thermotropic Polymer Gel Networks Based on Synthetic Polymers -- 5.2.2 Thermotropic Polymer Gel Networks Based on Biopolymers -- 5.2.3 Gel Networks for Reversible Transparency and Colour Control with Temperature -- 5.2.4 Hybrid Solar and Electrically Controlled Light Filters -- 5.3 Thermotropic Casting Resin -- 5.4 Applications -- References -- 6 Concluding Remarks -- References -- Abbreviations -- Author Index -- Subject Index.