This book provides a comprehensive and most recent discussion of breakthroughs on additive manufacturing for plastic materials recycling to boost a circular economy. It offers new ideas of combining/hybridizing processing methods that work as a source of information for manufacturers in making new and strategic product development plans.

Rupinder Singh is a Professor in Department of Mechanical Engineering, National Institute of Technical Teacher Training and Research, Chandigarh. He has received Ph.D in Mechanical Engineering from Thapar Institute of Engineering and Technology Patiala. His area of research is additive manufacturing, composite filament processing, rapid tooling, metal casting and plastic solid waste management. He has co-authored more than 350 science citation indexed research papers, 10 books, more than 100 book chapters, and has presented more than 100 research papers in various national/international journals. His research has been cited more than 8600 times with H index of 44 and google scholar i-10 index of 175. As per the Standford University, He has been listed under world's top 2% scientist.

Ranvijay Kumar is an Assistant Professor in University Center for Research and Development, Chandigarh University. He has received Ph.D in Mechanical Engineering from Punjabi University, Patiala. Additive manufacturing, shape memory polymers, smart materials, friction based welding techniques, advance materials processing, polymer matrix composite preparations, reinforced polymer composites for 3D printing, plastic solid waste management, thermosetting recycling and destructive testing of materials are the skills of Dr. Ranvijay Kumar. He has co-authored more than 50 research papers in science citation index journal, 45 book chapters and has presented 26 research papers in various national/international level conferences. Recently, he has won the silver medal in prestigious CII MILCA award 2020 for his excellent research contribution to society.

1. Introduction to Circular Economy and Recycling Plastics. 2. Additive Manufacturing for Circular Economy of Recycled Plastic. 3. Hybrid Mechanical and Chemical Recycling of Plastics. 4. Primary and Secondary Melt Processing for Plastics. 5. Fused Deposition Modeling as Secondary Recycling Process for the Preparation of Sustainable Structures. 6. Tertiary Recycling of Plastic Solid Waste for Additive Manufacturing. 7. Economic and Environmental Justification. 8. Twin-Screw Extrusion for Processing of Thermoplastics in Biomedical Scaffolding Applications. 9. Case Study for the Development of a Hybrid Composite Structure of Thermosetting and Thermoplastics. 10. Hybrid Feedstock Filament Processing for the Preparation of Composite Structures in Heritage Repair.