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Recycling of polyurethane foams /
Recycling of Polyurethane Foams introduces the main degradation/depolymerization processes and pathways of polyurethane foam materials, focusing on industrial case studies and academic reviews from recent research and development projects. The book can aid practitioners in understanding the basis of...
| Clasificación: | Libro Electrónico |
|---|---|
| Otros Autores: | , , , , |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
Kidlington, Oxford :
William Andrew, an imprint of Elsevier,
[2018]
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| Colección: | PDL handbook series.
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| Temas: | |
| Acceso en línea: | Texto completo |
Tabla de Contenidos:
- Front Cover; Recycling of Polyurethane Foams; Copyright Page; Contents; List of Contributors; 1 Introduction to Polymer and Their Recycling Techniques; 1.1 Introduction of Plastics and Their Classification; 1.2 Classification of Polymers; 1.3 Recycling of Thermoplastics Is Possible but not With Thermosets. Why?; 1.4 Polymerization Reactions; 1.5 Economic and Environmental Impact of Plastic Waste; 1.6 Economic Issues Relating to Recycling; 1.7 Various Thermoplastics and Their Applications; 1.7.1 Polyolefins; 1.7.2 Vinyl Polymers; 1.7.3 Polystyrenes; 1.7.4 Acrylate and Methacrylate Polymers
- 1.7.5 Polyamide (i.e., Nylons)1.7.6 Polycarbonates; 1.7.7 Celluloid; 1.7.8 Linear Polyester; 1.7.9 Polyfluorethane; 1.7.10 Polyacetals; 1.7.11 Polysulfones; 1.7.12 Polyphenylene Sulfide; 1.7.13 Modified Polyphenylene Oxide (PPO); 1.8 Various Thermosetting Plastics; 1.8.1 Unsaturated Polyester; 1.8.2 Phenol Formaldehyde Resins; 1.8.3 Melamine Resins; 1.8.4 Polyepoxides; 1.8.5 Polyimide; 1.8.6 Polyurethane; 1.8.7 Polyorganosiloxanes; 1.9 Systems for Plastic Recycling; 1.10 Recycling of Thermoplastics; 1.10.1 Size Reduction and Cleaning; 1.10.2 Further Separation
- 1.10.3 Processing/Remelting to Make Products1.11 PET Bottle/Container Recycling Process; 1.12 PU Recycling Processes; 1.12.1 Mechanical Recycling; 1.12.2 Chemical Recycling; 1.13 Recycling of Thermoset Plastics; 1.14 Recycling and Reuse of Elastomeric Materials; 1.14.1 Incineration; 1.14.2 Pyrolysis; 1.14.3 Grinding of Vulcanized Rubber Waste; 1.14.4 Devulcanization; 1.14.5 Applications of Waste Rubber; 1.15 Challenges and Opportunities for Improving Plastic Recycling; 1.16 Conclusions; References; Further Reading; 2 Polyurethane Foam Chemistry; 2.1 History; 2.2 Raw Materials; 2.3 Isocyanates
- 2.4 Polyols2.5 PU Foams; 2.5.1 Flexible Slabstock; 2.5.2 Flexible Cold Cure Molding; 2.5.3 Rigid Foams; 2.5.4 Microcellular or Footwear Foams; 2.5.5 Elastomeric Applications; 2.6 Blowing Agents; 2.6.1 Physical Blowing Agents; 2.6.2 Chemical Blowing Agents; 2.6.3 Mixed Physical/Chemical Blowing Agents; 2.7 Manufacturing of PU Foams; 2.7.1 Slabstock Method; 2.7.2 Molding Method; 2.8 Properties of PU Foams; 2.8.1 Foam Is a Good Air Sealant; 2.8.2 Closed-Cell Foam Has Very High Resistance Toward Water Vapor Permeation; 2.8.3 Closed-Cell Foam Resists Damages From Short-Term Wet Conditions