Polyurethane And Related Foams
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Polyurethane And Related Foams
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Author : Kaneyoshi Ashida
language : en
Publisher: CRC Press
Release Date : 2006-09-22
Polyurethane And Related Foams written by Kaneyoshi Ashida and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006-09-22 with Technology & Engineering categories.
Polyurethane and Related Foams: Chemistry and Technology is an in-depth examination of the current preparation, processing, and applications of polyurethanes (PURs) and other polymer foams. Drawing attention to novel raw materials, alternative blowing agents, and new processing methods, the book accentuates recent innovations that meet increasingly stringent environmental and fire safety regulations as well as higher quality products. Written by Dr. Kaneyoshi Ashida, a renowned pioneer of polyisocyanurate (PIR) foams, the book details the fundamental chemistry and material properties for each category of foams. The author presents mechanisms for chemical modification and foaming reactions, emphasizing the relationship between molecular design and enhanced physical properties. The latter half of the book focuses on polyurethane foams, the largest segment of the polyisocyanate-based foam industry. It contains a fully updated description of the chemistry, raw materials, manufacturing, formulations, analyses, and testing involved in producing a wide variety of progressive applications, including building materials. This book chronicles the scientific and technological evolution of preparation and processing methods for polyisocyanate-based foams. Polyurethane and Related Foams: Chemistry and Technology offers a clear and concise guide to the technologies, methods, and best practices that help the foam industry meet higher quality, health, and environmental standards.
Recycling Of Polyurethane Foams
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Author : Sabu Thomas
language : en
Publisher: William Andrew
Release Date : 2018-06-06
Recycling Of Polyurethane Foams written by Sabu Thomas and has been published by William Andrew this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-06-06 with Technology & Engineering categories.
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
Flexible Polyurethane Foams
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Author : Chris Defonseka
language : en
Publisher: Walter de Gruyter GmbH & Co KG
Release Date : 2019-08-05
Flexible Polyurethane Foams written by Chris Defonseka and has been published by Walter de Gruyter GmbH & Co KG this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-08-05 with Technology & Engineering categories.
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.
Catalysts In Polyurethane Foams
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Author :
language : en
Publisher: iSmithers Rapra Publishing
Release Date : 1997
Catalysts In Polyurethane Foams written by and has been published by iSmithers Rapra Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Technology & Engineering categories.
The Ici Polyurethanes Book
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Author : George Woods
language : en
Publisher:
Release Date : 1990-12-11
The Ici Polyurethanes Book written by George Woods and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990-12-11 with Science categories.
User-friendly, even for those with limited knowledge of chemistry, it contains clear details of processing, applications, and safety. New to this edition is an appendix covering the considerable progress that has taken place since 1987, including the development of alternatives for chlorofluorocarbons (CFCs) and the advent of polyurea elastomers.
Aspects Of Polyurethanes
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Author : Faris Yılmaz
language : en
Publisher: BoD – Books on Demand
Release Date : 2017-09-27
Aspects Of Polyurethanes written by Faris Yılmaz and has been published by BoD – Books on Demand this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-09-27 with Science categories.
Polyurethanes are formed by reacting a polyol (an alcohol with more than two reactive hydroxyl groups per molecule) with a diisocyanate or a polymeric isocyanate in the presence of suitable catalysts and additives. Because a variety of diisocyanates and a wide range of polyols can be used to produce polyurethane, a broad spectrum of materials can be produced to meet the needs of specific applications. During World War II, a widespread use of polyurethanes was first seen, when they were used as a replacement for rubber, which at that time was expensive and hard to obtain. During the war, other applications were developed, largely involving coatings of different kinds, from airplane finishes to resistant clothing. Subsequent decades saw many further developments and today we are surrounded by polyurethane applications in every aspect of our everyday lives. While polyurethane is a product that most people are not overly familiar with, as it is generally "hidden" behind covers or surfaces made of other materials, it would be hard to imagine life without polyurethanes.
Polymeric Foams
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Author : Shau-Tarng Lee
language : en
Publisher: CRC Press
Release Date : 2004-05-27
Polymeric Foams written by Shau-Tarng Lee and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004-05-27 with Technology & Engineering categories.
This book is the inaugural volume a series entitled Polymeric Foams: Technology and Applications. Generally, thermoplastic and thermoset foams have been treated as two separate practices in industry. Polymeric Foams: Mechanisms and Materials presents the basics of foaming in general build a strong foundation to those working in both thermoplastic a
Handbook Of Polymer Foams
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Author : David Eaves
language : en
Publisher: iSmithers Rapra Publishing
Release Date : 2004
Handbook Of Polymer Foams written by David Eaves and has been published by iSmithers Rapra Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Technology & Engineering categories.
This Handbook reviews the chemistry, manufacturing methods, properties and applications of the synthetic polymer foams used in most applications. In addition, a chapter is included on the fundamental principles, which apply to all polymer foams. There is also a chapter on the blowing agents used to expand polymers and a chapter is on microcellular foams - a relatively new development where applications are still being explored.
Practical Guide To Flexible Polyurethane Foams
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Author : Chris Defonseka
language : en
Publisher: Smithers Rapra Technology
Release Date : 2013
Practical Guide To Flexible Polyurethane Foams written by Chris Defonseka and has been published by Smithers Rapra Technology this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with Foamed materials categories.
Polyurethanes are very versatile and exciting materials of the plastics family. Although there are many types, the flexible and viscoelastic foams have opened up vast possibilities as viable business ventures and expanding applications, and have established themselves as an essential part of daily life, replacing traditional materials over the years. This book imparts a sound knowledge of flexible and viscoelastic polyurethane foams from their chemistry to calculations and formulating methodology for quality production. The author presents very valuable detailed information on foam manufacturing based on more than 40 years hands-on experience in the local and international situations. The detailed presentation of two manufacturing setups will greatly benefit entrepreneurs, medium-volume producers and large-volume manufacturers. For entrepreneurs, the innovative low-cost startup, high-profit, tried and tested methods will be very encouraging. The medium-to-large-volume producers will find the information provided interesting and practical to solve the inherent problems of excess wastage, better process control and plant efficiency, thereby enhancing profitability. Due to global environmental concerns, as polyurethane chemical components move from petroleum sources to bio-based renewable resources, developers are facing interesting challenges. For continued profitable production, challenges facing the foam machinery manufacturers will be to offer cost-effective, highly efficient and compatible machinery to producers. This book provides practical guidance in all aspects of the manufacture of flexible polyurethane foams, and is an ideal information source for students, teachers, producers and entrepreneurs.
Flexible Polyurethane Foams
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Author : G. Woods
language : en
Publisher: Springer
Release Date : 1982
Flexible Polyurethane Foams written by G. Woods and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982 with Science categories.