Reactive Monomers For Polybenzoxazine Synthesis Affecting Flame Retardancy And Curing Temperature
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Reactive Monomers For Polybenzoxazine Synthesis Affecting Flame Retardancy And Curing Temperature
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Author : Thorben Haubold
language : en
Publisher: Cuvillier Verlag
Release Date : 2025-03-04
Reactive Monomers For Polybenzoxazine Synthesis Affecting Flame Retardancy And Curing Temperature written by Thorben Haubold and has been published by Cuvillier Verlag this book supported file pdf, txt, epub, kindle and other format this book has been release on 2025-03-04 with categories.
Die vorliegende Arbeit befasst sich mit der Entwicklung neuer vernetzter Polymere auf Basis von Polybenzoxazinen. Es werden zwei Ansätze untersucht: die Synthese neuer Monomere und der Einsatz kovalent-bindender Additive. Der Fokus liegt auf der Verbesserung der thermomechanischen Eigenschaften und des Flammschutzes. Ein Benzoxazinsystem, das auf Sesamol und verschiedenen aliphatischen Diaminen basiert, wird zur Untersuchung der thermomechanischen Eigenschaften entwickelt. Der Flammschutz wird durch die kovalente Bindung von Organophosphor-Gruppen, sowohl über ein neu entwickeltes Monomer als auch über Additive, verbessert. Vier der Additive enthalten phenolische Hydroxylgruppen, die die Polymerisation initiieren oder daran teilnehmen können, während ein resorcinolbasiertes Flammschutzmittel keine phenolischen Gruppen aufweist, jedoch während der Polymerisation freigesetzt wird. Die Arbeit zeigt, dass durch die kovalente Einbindung von Organophosphor-Gruppen neue Polybenzoxazine-Netzwerke mit verbesserter thermomechanischer Stabilität und Flammschutz erfolgreich entwickelt werden. Die Untersuchung der Monomere und Additive trägt zu einem besseren Verständnis der Modifikation der Polybenzoxazin-Netzwerke bei.
Handbook Of Benzoxazine Resins
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Author : Hatsuo Ishida
language : en
Publisher: Elsevier
Release Date : 2011-07-13
Handbook Of Benzoxazine Resins written by Hatsuo Ishida and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-07-13 with Technology & Engineering categories.
This handbook provides a wide overview of the field, fundamental understanding of the synthetic methods and structure/property correlation, as well as studies related to applications in a wide range of subjects. The handbook also provides 1H and 13C NMR spectra, FTIR spectra, DSC and TGA thermograms to aid in research activities. Additional tables on key NMR and FTIR frequencies unique to benzoxazine, heat of polymerization, Tg, and char yield will greatly aid in the choice of proper benzoxazine for a specific application. - Provides thorough coverage of the chemistry and applications of benzoxazine resins with an evidence-based approach to enable chemists, engineers and material scientists to evaluate effectiveness - Features spectra, which allow researchers to compare results, avoid repetition and save time as well as tables on key NMR frequency, IR frequency, heat of polymerization, of many benzoxazine resins to aid them in selection of materials - Written by the foremost experts in the field
Bio Based Flame Retardant Technology For Polymeric Materials
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Author : Yuan Hu
language : en
Publisher: Elsevier
Release Date : 2022-08-19
Bio Based Flame Retardant Technology For Polymeric Materials written by Yuan Hu and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-08-19 with Technology & Engineering categories.
Bio-Based Flame Retardants for Polymeric Materials provides a comprehensive overview of flame retardants derived directly and indirectly from plant sources, drawing on cutting-edge research and covering preparation methods, testing and evaluation techniques, enhanced properties, and end applications. Chapters introduce bio-based materials in the context of additives for flame retardancy, explaining fundamentals and testing methods and analyzing synthetic approaches and the potential advantages of pursuing a bio-based approach. This is followed by detailed coverage of bio-based retardants, with each chapter covering a specific source and guiding the reader systematically through preparation techniques, evaluation methods, properties and applications. Throughout the book, the latest progress in the field is critically reviewed, and there is a continual emphasis on novel approaches to achieve enhanced properties and performant materials. This is an essential guide for all those with an interest in innovative, sustainable flame retardant additives for polymeric materials, including researchers, scientists, advanced students, and more. - Explains innovative techniques for the preparation of bio-based flame retardant mechanisms, analyzing properties, performance and applications - Offers in-depth coverage of a range of sources, including cellulose, lignin, cardanol, chitosan, eugenol, vanillin, furan, alginate and vegetable oils - Presents the latest advances in the field, serving as a novel resource to advanced students, researchers and R&D professionals in academia and industry
Fire Retardancy Of Polymers
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Author : T. Richard Hull
language : en
Publisher: Royal Society of Chemistry
Release Date : 2009
Fire Retardancy Of Polymers written by T. Richard Hull and has been published by Royal Society of Chemistry this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Science categories.
Globally, fire retardants are needed to satisfy a multibillion dollar market and fire retardancy of polymetric materials is an important component of fire safety. This book covers the latest developments in new fire retardancy systems for engineers needing to use fire safe materials in their projects.
Phthalonitrile Resins And Composites
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Author : Mehdi Derradji
language : en
Publisher: William Andrew
Release Date : 2018-04-25
Phthalonitrile Resins And Composites written by Mehdi Derradji and has been published by William Andrew this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-04-25 with Technology & Engineering categories.
Phthalonitrile Resins and Composites: Properties and Applications summarizes the latest research on these polymers, providing information that enables materials scientists and engineers to deploy these polymers in the real world. The book gives details on synthesis and preparation techniques for key phthalonitrile monomers. All curing techniques are discussed, along with blends and copolymers of phthalonitrile with other polymeric materials, such as epoxy, benzoxazine and bismaleimide. Fiber and particle based phthalonitrile micro and nanocomposites are also discussed, along with their potential applications in lightweight automobiles, ships, oil rigs, aircraft, wind blades, high temperature bearings, valves, battery and electronic casings, fire resistant textiles, and more. - Introduces the subject of phthalonitrile polymers and their composites - Provides precise information on the synthesis, preparation and curing techniques for phthalonitrile polymers - Discusses developments in key application areas that are intended to facilitate and stimulate real world applications of these materials
Alloys And Composites Of Polybenzoxazines
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Author : Sarawut Rimdusit
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-07-16
Alloys And Composites Of Polybenzoxazines written by Sarawut Rimdusit and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-07-16 with Technology & Engineering categories.
This book provides an introduction to the unique and fascinating properties of alloys and composites from novel commercialized thermosetting resins based on polybenzoxazines. Their outstanding properties such as processability, thermal, mechanical, electrical properties as well as ballistic impact properties of polybenzoxazine alloys and composites make them attractive for various applications in electronic packaging encapsulation, light weight ballistic armour composites and bipolar plate in fuel cells.
Self Healing Polymers
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Author : Wolfgang H. Binder
language : en
Publisher: John Wiley & Sons
Release Date : 2013-03-29
Self Healing Polymers written by Wolfgang H. Binder and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-29 with Technology & Engineering categories.
Self-healing is a well-known phenomenon in nature: a broken bone merges after some time and if skin is damaged, the wound will stop bleeding and heals again. This concept can be mimicked in order to create polymeric materials with the ability to regenerate after they have suffered degradation or wear. Already realized applications are used in aerospace engineering, and current research in this fascinating field shows how different self-healing mechanisms proven successful by nature can be adapted to produce even more versatile materials. The book combines the knowledge of an international panel of experts in the field and provides the reader with chemical and physical concepts for self-healing polymers, including aspects of biomimetic processes of healing in nature. It shows how to design self-healing polymers and explains the dynamics in these systems. Different self-healing concepts such as encapsulated systems and supramolecular systems are detailed. Chapters on analysis and friction detection in self-healing polymers and on applications round off the book.
Resorcinol
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Author : Raj B. Durairaj
language : en
Publisher: Springer Science & Business Media
Release Date : 2005-12-05
Resorcinol written by Raj B. Durairaj and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-12-05 with Technology & Engineering categories.
Resorcinol chemistry has been providing valuable properties and products in the development of advanced technologies in the areas of pharmaceuticals, rubber compounds, wood composites and plastics. Notable technologies include steel belted radial tires, resorcinol-formaldehyde-latex adhesives (RFL), a weather proof polycarbonate (Sollx), a super heat resistant polymer (PEN-RTM), the world's strongest fiber (Zylon), sun screens (UV absorbers), Intal (an asthma drug), Ostivone (an osteoporosis drug), Throat Plus (lozenges), Centron and Saheli (oral contraceptive pills), and many more. This new resorcinol book contains information on the chemistry and technologies developed for the usefulness of human needs. Scientists and researchers around the world working in the areas of pharmaceuticals, rubber compounds (tires, hoses, belts), polymers, polymer additives (UV absorbers, flame retardants), composites (polymers and wood), photoresists, or just simply organic chemistry will benefit from this key resorcinol reference.
Handbook Of Thermoset Plastics
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Author : Bibin John
language : en
Publisher: Elsevier Inc. Chapters
Release Date : 2013-11-28
Handbook Of Thermoset Plastics written by Bibin John and has been published by Elsevier Inc. Chapters this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-11-28 with Technology & Engineering categories.
Syntactic foams are particulate polymer matrix composite materials consisting of hollow microspheres dispersed in a matrix. The matrix used in syntactic foams can be polymer, metal, or ceramic. Polymer matrices, particularly the thermosetting polymers, have been the most widely accepted matrices in syntactic foams. From the processing and application point of view, thermosetting syntactic foams have many advantages compared to thermoplastic ones. This chapter deals with syntactic foams based on various thermosetting resins and the chemistry of the resin systems. The resin systems are mainly phenolic, epoxy, cyanate ester, siloxane, polybenzoxazine, bismaleimide, and their blends. Apart from a brief chemistry of the parent resin systems, their syntactic foams have been described in detail. The aspects discussed are their processing, physical, thermal, and mechanical properties, applications, and degradation. Their properties can be engineered by a choice of matrix, microcell structure and its concentration, reinforcement, toughners, etc. While the thermal and thermo-physical characteristics are dictated by resin, mechanical and fracture characteristics are decided by both components. While epoxy, cyanate ester, and other such compounds provide structural syntactic foams, phenolics and their new generation versions provide thermo-structural materials. Syntactic foam ablators have made possible interplanetary space missions. Novel engineering concepts like lightweight self-healing give scope for extended applications of these systems. The recent advances in these areas are also discussed. These special materials with high specific strength are slated to replace conventional structural and thermo-structural materials in related engineering applications ranging from domestic to aerospace and defense.
High Performance Polymers And Engineering Plastics
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Author : Vikas Mittal
language : en
Publisher: John Wiley & Sons
Release Date : 2011-09-09
High Performance Polymers And Engineering Plastics written by Vikas Mittal and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-09-09 with Technology & Engineering categories.
This book describes advances in synthesis, processing, and technology of environmentally friendly polymers generated from renewable resources. With contents based on a wide range of functional monomers and contributions from eminent researchers, this volume demonstrates the design, synthesis, properties and applications of plant oil based polymers, presenting an elaborate review of acid mediated polymerization techniques for the generation of green polymers. Chemical engineers are provided with state-of-the-art information that acts to further progress research in this direction.