Lecture
This lecture discusses the success and challenges of plastics, including their economical advantages, chemical stability, and environmental impact. It covers the increase in plastics production, recycling issues, and the concept of circular economy. The lecture also explores different types of plastics, their properties, families, and recycling codes. Additionally, it delves into the production processes of plastics, such as extrusion, injection molding, blow molding, and rotational molding. The instructor explains the principles of mold fabrication, terminology, and the use of composites in various applications.