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Author: Malik Shoaib Suleman
Publisher: LAP Lambert Academic Publishing
ISBN: 9783659749643
Category :
Languages : en
Pages : 76
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Book Description
Polyurethanes are versatile materials with variety of applications. The major application of polyurethanes is polyurethane foam. In polyurethane foams there are many types and this work is carried out on synthesis and characterization of visco-elastic polyurethane foam which is the sub type of flexible polyurethane foam. Visco-elastic foam have unique characteristics than other type of foams and due to its variety of applications it is now a days capturing the whole commercial applications of flexible foam. Due to its importance and large number of applications this research is carried out to synthesize visco-elastic polyurethane foam on lab scale and to study different methods for synthesis of visco-elatic polyurethane foam. The objective of this work was to synthesize visco-elastic polyurethane foam and then study different characterization techniques for the caharacterization of visco-elastic foam.
Author: Malik Shoaib Suleman
Publisher: LAP Lambert Academic Publishing
ISBN: 9783659749643
Category :
Languages : en
Pages : 76
Get Book Here
Book Description
Polyurethanes are versatile materials with variety of applications. The major application of polyurethanes is polyurethane foam. In polyurethane foams there are many types and this work is carried out on synthesis and characterization of visco-elastic polyurethane foam which is the sub type of flexible polyurethane foam. Visco-elastic foam have unique characteristics than other type of foams and due to its variety of applications it is now a days capturing the whole commercial applications of flexible foam. Due to its importance and large number of applications this research is carried out to synthesize visco-elastic polyurethane foam on lab scale and to study different methods for synthesis of visco-elatic polyurethane foam. The objective of this work was to synthesize visco-elastic polyurethane foam and then study different characterization techniques for the caharacterization of visco-elastic foam.
Author: M. J. Forrest
Publisher: iSmithers Rapra Publishing
ISBN: 9781859571606
Category : Technology & Engineering
Languages : en
Pages : 150
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Book Description
This review aims to introduce the chemistry of polyurethanes, and to examine the different techniques which may be used to analyse these polymers. The characterisation of polyurethane starting materials, cure reaction, polymer structures and molecular c099, and additives, and their relationship to the final properties of the polymer are all outlined. An additional indexed section containing several hundred abstracts from the Rapra Polymer Library database gives useful references for further reading.
Author: Siti Zaleha Hj Isa
Publisher:
ISBN:
Category : Polyols
Languages : en
Pages : 252
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Book Description
Author: Timothy Thomson
Publisher: CRC Press
ISBN: 9781420012897
Category : Technology & Engineering
Languages : en
Pages : 164
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Book Description
Hydrophilic polyurethanes have the unique property of being able to absorb or otherwise manage moisture-and this makes them valuable in medical and a number of other important commercial applications. This new book provides a concise, unified presentation of hydrophilic polyurethanes technology and applications. All important topics from chemistry, analysis, processing and quality systems to product development and applications are covered clearly and systematically. The text is well illustrated by more than 45 flowcharts and diagrams and supplemented by more than 20 data tables. A special feature of this new book is its inclusion of case studies of recent development of commercially valuable products using hydrophilic polyurethanes. These case studies illustrate how these unique materials can be tailored to specific application needs. The information in this new book will be useful to all those involved in the research, development and applications of polymers, biomaterials, and other materials whose utility requires the special properties of hydrophilic polyurethanes. To receive your copy promptly, please order now. Information on ordering - by mail, fax, telephone or the publisher's secure website - follows the complete table of contents on the reverse. The Author Tim Thomson is the director of Main Street Technologies, an independent research organization specializing in the development of advanced medical materials and devices. Previously he was technical manager of the Hypol Group, W. R. Grace & Co. He is recognized as an authority on hydrophilic polyurethanes and their use in medical device and other applications. He has an M.S. in Physical Chemistry from Michigan Technological University and has been awarded six patents in synthetic chemistry and process control.
Author: Tatsuko Hatakeyama
Publisher: Springer Science & Business Media
ISBN: 1402023545
Category : Technology & Engineering
Languages : en
Pages : 336
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Book Description
From the reviews: "...This very well written new book is recommended to academic and industrial researchers and specialists interested in green polymers and mainly in their thermal properties...This new and opportune book covers some important properties of green polymers and bio-composites." (D. Feldman, Concordia University, Montreal, Canada)
Author: Michael Szycher, Ph.D
Publisher: CRC Press
ISBN: 1439839581
Category : Technology & Engineering
Languages : en
Pages : 1147
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Book Description
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.
Author: G. Woods
Publisher: Springer
ISBN:
Category : Science
Languages : en
Pages : 360
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Book Description
Author: Sabu Thomas
Publisher: William Andrew
ISBN: 0323511341
Category : Technology & Engineering
Languages : en
Pages : 147
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Book Description
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: Kaneyoshi Ashida
Publisher: CRC Press
ISBN: 0203505999
Category : Technology & Engineering
Languages : en
Pages : 175
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Book Description
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 incre
Author: Yebo Li
Publisher: Springer
ISBN: 3319215396
Category : Technology & Engineering
Languages : en
Pages : 86
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Book Description
This brief outlines the most recent advances in the production of polyols and polyurethanes from renewable resources, mainly vegetable oils, lignocellulosic biomass, starch, and protein. The typical processes for the production of polyols from each of the above mentioned feedstocks are introduced and the properties of the resultant polyols and polyurethanes are also discussed.
