Intro -- Renewable Polymers and Polymer-Metal Oxide Composites: Synthesis, Properties, and Applications -- Copyright -- Contents -- Contributors -- Editors biographies -- Series editor biography -- Preface to the series -- Chapter 1: Composite materials: Concept, recent advancements, and applications -- 1. Introduction -- 1.1. Composites -- 1.1.1. Metal matrix composites (MMCs) -- 1.1.2. Polymer matrix composites (PMCs) -- 1.1.3. Ceramic matrix composites (CMCs) -- 1.1.4. Reinforcement of composites -- 1.2. The rule of mixture -- 1.3. Renewable polymers for metal oxide-reinforced composites