Recycling Of Polyurethane Wastes
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Author | : Sabu Thomas |
Publisher | : William Andrew |
Total Pages | : 147 |
Release | : 2018-06-06 |
Genre | : Technology & Engineering |
ISBN | : 0323511341 |
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 polymer degradation and its relationship with industrial processes, which can be of substantial value to industrial complexes the world over. The main pathways of polymer recycling via different routes and industrial schemes are detailed, covering all current techniques, including regrinding, rebinding, adhesive pressing and compression moulding of recovered PU materials that are then compared with depolymerization approaches. The book examines life cycle assessment and cost analysis associated with polyurethane foams waste management, showing the potential of various techniques. This book will help academics and researchers identify and improve on current depolymerization processes, and it will help industry sustainability professionals choose the appropriate approach for their own waste management systems, thus minimizing the costs and environmental impact of their PU-based end products. - Offers a comprehensive review of all polyurethane foam recycling processes, including both chemical and mechanical approaches - Assesses the potential of each recycling process - Helps industry-based practitioners decide which approach to take to minimize the cost and environmental impact of their end product - Enables academics and researchers to identify and improve upon current processes of degradation and depolymerization
Author | : Mir Mohammad Alavi Nikje |
Publisher | : Walter de Gruyter GmbH & Co KG |
Total Pages | : 204 |
Release | : 2019-03-18 |
Genre | : Technology & Engineering |
ISBN | : 3110641267 |
This book investigates processes to reduce environmental pollution and polyurethane (PU) waste going to landfill. The author explains recycling approaches as well as instrumental methods such as nuclear magnetic resonance (NMR) spectroscopy and Fourier-Transform infrared spectroscopy for characterization and identification of PU recycling products.
Author | : Sabu Thomas |
Publisher | : Elsevier |
Total Pages | : 440 |
Release | : 2017-08-15 |
Genre | : Technology & Engineering |
ISBN | : 0128040858 |
Polyurethane Polymers: Blends and Interpenetrating Networks deals with almost all aspects of blends and IPNs formed by polyurethane, including the thermal, mechanical, morphological, and viscoelastic properties of each blend presented in the book. In addition, major applications related to these blends and IPNs are mentioned. - Provides an elaborate coverage of the chemistry of polyurethane, including its synthesis and properties - Includes available characterization techniques - Relates types of polyurethanes to their potential properties - Discusses blends options
Author | : Jose Aguado |
Publisher | : Royal Society of Chemistry |
Total Pages | : 205 |
Release | : 2007-10-31 |
Genre | : Technology & Engineering |
ISBN | : 1847550800 |
The use of plastic materials has seen a massive increase in recent years, and generation of plastic wastes has grown proportionately. Recycling of these wastes to reduce landfill disposal is problematic due to the wide variation in properties and chemical composition among the different types of plastics. Feedstock recycling is one of the alternatives available for consideration, and Feedstock Recycling of Plastic Wastes looks at the conversion of plastic wastes into valuable chemicals useful as fuels or raw materials. Looking at both scientific and technical aspects of the recycling developments, this book describes the alternatives available. Areas include chemical depolymerization, thermal processes, oxidation and hydrogenation. Besides conventional treatments, new technological approaches for the degradation of plastics, such as conversion under supercritical conditions and coprocessing with coal are discussed. This book is essential reading for those involved in plastic recycling, whether from an academic or industrial perspective. Consultants and government agencies will also find it immensely useful.
Author | : Mir Mohammad Alavi Nikje |
Publisher | : Walter de Gruyter GmbH & Co KG |
Total Pages | : 150 |
Release | : 2019-03-18 |
Genre | : Technology & Engineering |
ISBN | : 3110641593 |
This book investigates processes to reduce environmental pollution and polyurethane (PU) waste going to landfill. The author explains recycling approaches as well as instrumental methods such as nuclear magnetic resonance (NMR) spectroscopy and Fourier-Transform infrared spectroscopy for characterization and identification of PU recycling products.
Author | : Chris Defonseka |
Publisher | : Walter de Gruyter GmbH & Co KG |
Total Pages | : 252 |
Release | : 2019-08-05 |
Genre | : Technology & Engineering |
ISBN | : 3110639831 |
Flexible and viscoelastic polyurethane foams have enormous potential as viable business ventures and have replaced many traditional materials used in everyday life. This book describes the chemistry of flexible and viscoelastic polyurethane foams as well as calculations and formulating methodology for quality production. The author presents detailed information on foam manufacturing, based on over 45 years of hands-on industry experience.
Author | : Trevor Letcher |
Publisher | : Academic Press |
Total Pages | : 688 |
Release | : 2020-03-10 |
Genre | : Science |
ISBN | : 0128178817 |
Plastic Waste and Recycling: Environmental Impact, Societal Issues, Prevention, and Solutions begins with an introduction to the different types of plastic materials, their uses, and the concepts of reduce, reuse and recycle before examining plastic types, chemistry and degradation patterns that are organized by non-degradable plastic, degradable and biodegradable plastics, biopolymers and bioplastics. Other sections cover current challenges relating to plastic waste, explain the sources of waste and their routes into the environment, and provide systematic coverage of plastic waste treatment methods, including mechanical processing, monomerization, blast furnace feedstocks, gasification, thermal recycling, and conversion to fuel. This is an essential guide for anyone involved in plastic waste or recycling, including researchers and advanced students across plastics engineering, polymer science, polymer chemistry, environmental science, and sustainable materials. - Presents actionable solutions for reducing plastic waste, with a focus on the concepts of collection, re-use, recycling and replacement - Considers major societal and environmental issues, providing the reader with a broader understanding and supporting effective implementation - Includes detailed case studies from across the globe, offering unique insights into different solutions and approaches
Author | : Ram K. Gupta |
Publisher | : |
Total Pages | : |
Release | : 2021 |
Genre | : Polyurethanes |
ISBN | : 9780841298408 |
"This book is about Polyurethane Chemistry: Renewable Polyols and Isocyanates"--
Author | : John Scheirs |
Publisher | : John Wiley & Sons |
Total Pages | : 824 |
Release | : 2006-05-12 |
Genre | : Nature |
ISBN | : |
Pyrolysis is a recycling technique converting plastic waste into fuels, monomers, or other valuable materials by thermal and catalytic cracking processes. It allows the treatment of mixed, unwashed plastic wastes. For many years research has been carried out on thermally converting waste plastics into useful hydrocarbons liquids such as crude oil and diesel fuel. Recently the technology has matured to the point where commercial plants are now available. Pyrolysis recycling of mixed waste plastics into generator and transportation fuels is seen as the answer for recovering value from unwashed, mixed plastics and achieving their desired diversion from landfill. This book provides an overview of the science and technology of pyrolysis of waste plastics. It describes the types of plastics that are suitable for pyrolysis recycling, the mechanism of pyrolytic degradation of various plastics, characterization of the pyrolysis products and details of commercially mature pyrolysis technologies. This book also covers co-pyrolysis technology, including: waste plastic/waste oil, waste plastics/coal, and waste plastics/rubber.
Author | : Michael Szycher, Ph.D |
Publisher | : CRC Press |
Total Pages | : 1147 |
Release | : 2012-07-13 |
Genre | : Technology & Engineering |
ISBN | : 1439839581 |
A practical handbook rather than merely a chemistry reference, Szycher's Handbook of Polyurethanes, Second Edition offers an easy-to-follow compilation of crucial new information on polyurethane technology, which is irreplaceable in a wide range of applications. This new edition of a bestseller is an invaluable reference for technologists, marketers, suppliers, and academicians who require cutting-edge, commercially valuable data on the most advanced uses for polyurethane, one of the most important and complex specialty polymers. internationally recognized expert Dr. Michael Szycher updates his bestselling industry "bible" With seven entirely new chapters and five that are revised and updated, this book summarizes vital contents from U.S. patent literature—one of the most comprehensive sources of up-to-date technical information. These patents illustrate the most useful technology discovered by corporations, universities, and independent inventors. Because of the wealth of information they contain, this handbook features many full-text patents, which are carefully selected to best illustrate the complex principles involved in polyurethane chemistry and technology. Features of this landmark reference include: Hundreds of practical formulations Discussion of the polyurethane history, key terms, and commercial importance An in-depth survey of patent literature Useful stoichiometric calculations The latest "green" chemistry applications A complete assessment of medical-grade polyurethane technology Not biased toward any one supplier’s expertise, this special reference uses a simplified language and layout and provides extensive study questions after each chapter. It presents rich technical and historical descriptions of all major polyurethanes and updated sections on medical and biological applications. These features help readers better understand developmental, chemical, application, and commercial aspects of the subject.