Reactive Modifiers For Polymers

Download or read book Reactive Modifiers for Polymers written by S. Al-Malaika and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt: Chemical modification of polymers by reactive modifiers is no longer an academic curiosity but a commercial reality that has delivered a diverse range of speciality materials for niche markets: reactively grafted styrenic alloys, maleated polyolefins, super-tough nylons, silane modified and moisture-cured polyolefins, and thermoplastic elastomers, are but few exam ples of commercial successes. Although the approach of reactive modification of polymers has been largely achieved either in solution or in the solid state (through in situ reactions in polymer melts), it is the latter route that has attracted most attention in the last two decades owing to its flexibility and cost-effective ness. This route, referred to as reactive processing, focuses on the use of suitable reactive modifier(s) and the adoption of conventional polymer processing machinery, an extruder or a mixer, as a chemical reactor, to perform in situ targeted reactions for chemical modification of preformed polymers. This relatively simple, though scientifically highly challenging, approach to reactive modification offers unique opportunities in exploiting various reactive modifiers for the purpose of altering and transforming in a controlled manner the properties of preformed commercial polymers into new/speciality materials with tailor-made properties and custom-designed performance for target applications. Such an economically attractive route constitutes a radical diversion away from the traditional practices of manufacturing new polymers from monomers which involves massive in vestments in sophisticated technologies and chemical plants.

Download or read book Reactive Modifiers for Polymers written by S. Al-Malaika and published by Springer Science & Business Media. This book was released on 1997-06-30 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt: There is considerable interest within the polymer industry in developing methods to modify existing polymer systems to achieve improvements in their functional or engineering properties. The chemical treatment of polymers, either prior to or during processing, represents an inexpensive and rapid way of achieving these modifications, and a great deal of research is underway, directed at improving both the understanding of the processes involved and the development of the practical techniques employed. The improvements obtained by chemical treatment range from subtle alteration of the chemical properties of a polymer to wholesale changes in the physical, mechanical and chemical properties, with the current favourable economics ensuring that industry will continue to exploit the technique in the search for improved polymer materials. Written by an international team of authors, drawn from both basic and applied research programmes in industry and academia, and with a strong emphasis on the underlying chemistry, this book forms a timely, concise and accessible evaluation of the most promising technologies developed to date. Chemists, technologists, materials' scientists and engineers working in all areas of the polymer industry, along with academic researchers in those fields, will find this book an essential source of reference in the course of their work.

Download or read book Reactive Polymers Fundamentals and Applications written by Johannes Karl Fink and published by William Andrew. This book was released on 2005-07-15 with total page 801 pages. Available in PDF, EPUB and Kindle. Book excerpt: Loaded with practical knowledge, Reactive Polymers Fundamentals and Applications: A Concise Guide to Industrial Polymers comprehensively presents the state-of-art of methods and materials for the formulation of polymeric resins. It is an indispensable tool for chemists, engineers, and manufacturers who use, formulate, and cure raw materials into final products. The text focuses on the chemical modification of properties during the final stage of part fabrication from plastics. Newer applications range from the small scale, such as dental fillings, to industrial processes for batch fabrication. The book covers resin groups in major use in industry and under active research and development.

Download or read book Reactive Modifiers for Polymers written by S. Al-Malaika and published by . This book was released on 1997-06-30 with total page 420 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Reactive Polymers: Fundamentals and Applications written by Johannes Karl Fink and published by William Andrew. This book was released on 2017-10-24 with total page 714 pages. Available in PDF, EPUB and Kindle. Book excerpt: Reactive Polymers: Fundamentals and Applications: A Concise Guide to Industrial Polymers, Third Edition introduces engineers and scientists to a range of reactive polymers and then details their applications and performance benefits. Basic principles and industrial processes are described for each class of reactive resin (thermoset), as well as additives, the curing process, applications and uses. The initial chapters are devoted to individual resin types (e.g., epoxides, cyanacrylates), followed by more general chapters on topics such as reactive extrusion and dental applications. Injection molding of reactive polymers, radiation curing, thermosetting elastomers, and reactive extrusion equipment are covered as well. The use of reactive polymers enables manufacturers to make chemical changes at a late stage in the production process, which, in turn, cause changes in performance and properties. Material selection and control of the reaction are essential to achieve optimal performance. Material new to this edition includes the most recent developments, applications and commercial products for each chemical class of thermosets, as well as sections on fabrication methods, reactive biopolymers, recycling of reactive polymers and case studies. - Covers the basics and most recent developments, including reactive biopolymers, recycling of reactive polymers, nanocomposites and fluorosilicones - Offers an indispensable guide for engineers and advanced students alike - Provides extensive literature and patent review - Reflects a thorough review of all literature published in this area since 2014 - Features revised and updated chapters to reflect the latest research in reactive polymers

Download or read book Handbook of Polymer Applications in Medicine and Medical Devices written by Laurence W. McKeen and published by Elsevier Inc. Chapters. This book was released on 2013-12-05 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt: Medical devices range from simple devices, to test equipment, to implants. Plastics are used more and more in these devices, for weight, cost, and performance purposes. Examples of medical devices include surgical instruments, catheters, coronary stents, pacemakers, magnetic resonance imaging (MRI) machines, X-ray machines, prosthetic limbs, artificial hips/knees, surgical gloves, and bandages.

Download or read book Biodegradable Polymers in the Circular Plastics Economy written by Michiel Dusselier and published by John Wiley & Sons. This book was released on 2022-05-17 with total page 500 pages. Available in PDF, EPUB and Kindle. Book excerpt: Biodegradable Polymers in the Circular Plastics Economy A comprehensive overview of the burgeoning field of biodegradable plastics As the lasting impact of humanity’s reliance on plastics comes into focus, scholars have begun to seek out solutions to plastic litter. In Biodegradable Polymers in the Circular Plastics Economy, an accomplished team of researchers delivers a focused guide (1) to understand plastic degradation and its role in waste hierarchy besides recycling, and (2) to create and use biodegradable plastics where appropriate. Created preferably from renewable resources, these eco-friendly polymers provide an opportunity to create sustainable and lasting solutions to the growing plastic-driven pollution problem. The broad approach to this handbook allows the authors to cover all aspects of these emerging materials, ranging from the problems present in the current plastics cycle, to the differences in type, production, and chemistry available within these systems, to end-of-life via recycling or degradation, and to life-cycle assessments. It also delves into potential commercial and policy issues to be addressed to successfully deploy this technology. Readers will also find: A thorough introduction to biodegradable polymers, focusing not only on the scientific aspects, but also addressing the larger political, commercial, and consumer concerns Mechanisms of biodegradation and the environmental impact of persistent polymers An in-depth discussion of degradable/hydrolysable polyesters, polysaccharides, lignin-based polymers, and vitrimers Management of plastic waste and life cycle assessment of bio-based plastics Biodegradable Polymers in the Circular Plastics Economy is the perfect overview of this complicated but essential research field and will appeal to polymer chemists, environmental chemists, chemical engineers, and bioengineers in academia and industry. The book is intended as a step towards a circular plastics economy that relies heavily on degradable plastics to sustain it.