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Developments In Polymer Degradation
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Book Synopsis Polymer Degradation and Stabilization by : W. L. Hawkins
Download or read book Polymer Degradation and Stabilization written by W. L. Hawkins and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 129 pages. Available in PDF, EPUB and Kindle. Book excerpt: The development of polymers as an important class of material was inhibited at the first by the premature failure of these versatile compounds in many applications. The deterioration of important properties of both natural and synthetic polymers is the result of irreversible changes in composition and structure of polymers molecules. As a result of these reactions, mechanical, electrical and/or aesthetic properties are degraded beyond acceptable limits. It is now generally recognized that stabilization against degradation is necessary if the useful life of polymers is to be extended sufficiently to meet design requirements for long-term applications. Polymers degrade by a wide variety of mechanisms, several of which affect all polymers through to varying degree. This monograph will concentrate on those degradation mechanisms which result from reactions of polymers with oxygen in its various forms and which are accelerated by heat and/or radiation. Those stabilization mechanisms are discussed which are based on an understanding of degradation reaction mechanisms that are reasonably well established. The stabilization of polymers is still undergoing a transition from an art to a science as mechanisms of degradation become more fully developed. A scientific approach to stabilization can only be approached when there is an understanding of the reactions that lead to degradation. Stabilization against biodegradation and burning will not be discussed since there is not a clear understanding of how polymers degrade under these conditions.
Book Synopsis Developments in Polymer Degradation—7 by : N. Grassie
Download or read book Developments in Polymer Degradation—7 written by N. Grassie and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 282 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this volume, like that of its predecessors in the series, is to present a selection of topics which are representative of the continually expanding area of polymer degradation. It will be obvious that some of these topics emanate from academic studies, others from more applied backgrounds, but it is anticipated that all will be seen to be of vital relevance to one or other of the currently advancing fields of polymer technology. The first two chapters deal with specific classes of polymers, and particularly with their mechanisms and products of thermal degrada tion. Thus in Chapter 1 Dr McNeill discusses the reactions of the ammonium, alkali and alkaline earth metal salts of poly(methacrylic acid) and their copolymers with methyl methacrylate. These water soluble 'ionomers' have valuable technological applications. In Chap ter 2 Professor Montaudo and Dr Puglisi perform a valuable service by drawing together and critically reviewing, for the first time to my knowledge, the mechanisms of thermal degradation of the various classes of condensation polymers which are of industrial significance. This includes, for example, the polyurethanes, polyureas, polyesters, polycarbonates, polyamides, polyimides, polyethers, polysulphides, polysulphones, polyschiff bases, polysiloxanes and polyphosphazenes.
Book Synopsis Polymer Degradation and Stabilisation by : Norman Grassie
Download or read book Polymer Degradation and Stabilisation written by Norman Grassie and published by CUP Archive. This book was released on 1988-04-14 with total page 236 pages. Available in PDF, EPUB and Kindle. Book excerpt: The study of polymer degradation and stabilisation is of considerable practical importance as the industrial uses of polymeric materials continue to expand. In this book, the authors lucidly relate technological phenomena to the chemistry and physics of degradation and stabilisation processes. Degradation embraces a variety of technologically important phenomena ranging from relatively low temperature processes such as 'weathering' of plastics, 'fatigue' of rubbers through the processing of polymers in shearing mixers to very high temperature processes such as flammability and ablation. All these technological phenomena have in common certain basic chemical reactions. Thus 'weathering' has its roots in photo-oxidation, 'fatigue' and melt-degradation in mechano-oxidation and flammability, and ablation in ablation in pyrolysis and vapour phase oxidation.
Book Synopsis Developments in Polymer Degradation by : Norman Grassie
Download or read book Developments in Polymer Degradation written by Norman Grassie and published by . This book was released on 1977 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fundamentals of Polymer Degradation and Stabilization by : N.S. Allen
Download or read book Fundamentals of Polymer Degradation and Stabilization written by N.S. Allen and published by Springer Science & Business Media. This book was released on 1992-10-31 with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt: During the past decade, the field of polymer degradation and stabilization has become a subject of central importance in polymer science and technology. This book provides a fundamental source of information designed for those with only a basic understanding of the background of the field.
Book Synopsis Developments in Polymer Degradation by : N. Grassie
Download or read book Developments in Polymer Degradation written by N. Grassie and published by Springer. This book was released on 1985 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Developments in Polymer Degradation-7 by : N. Grassie
Download or read book Developments in Polymer Degradation-7 written by N. Grassie and published by . This book was released on 1987-04-22 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advances in Biodegradable Polymers by : G. F. Moore
Download or read book Advances in Biodegradable Polymers written by G. F. Moore and published by iSmithers Rapra Publishing. This book was released on 1998-02 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this report the factors which influence biodegradation are first explained. Methods of testing and evaluating biodegradation are then described and compared. The principles, relative costs and practical applications of specific tests are outlined together with the position with respect to recognised standards. The range of biodegradable polymers and polymer blends is then described, including natural and synthetic products. An additional indexed section containing several hundred abstracts from the Rapra Polymer Library database provides useful references for further reading.
Book Synopsis Polymer Degradation and Stability Research Developments by : Leo B. Albertov
Download or read book Polymer Degradation and Stability Research Developments written by Leo B. Albertov and published by . This book was released on 2007 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Polymer degradation is a change in the properties - tensile strength, colour, shape, etc - of a polymer or polymer based product under the influence of one or more environmental factors such as heat, light or chemicals. This book presents research in this field.
Book Synopsis Developments in Polymer Degradation [Vol 1 - 6]. by : N Grassie (ed)
Download or read book Developments in Polymer Degradation [Vol 1 - 6]. written by N Grassie (ed) and published by . This book was released on 1977 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Developments in Polymer Degradation. Vol 4 by : N. Grassie
Download or read book Developments in Polymer Degradation. Vol 4 written by N. Grassie and published by . This book was released on 1982 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Developments in Polymer Degradation by : Norman Grassie
Download or read book Developments in Polymer Degradation written by Norman Grassie and published by . This book was released on 1977 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Developments in Polymer Degradation - 6 by : N. Grassie
Download or read book Developments in Polymer Degradation - 6 written by N. Grassie and published by . This book was released on 1985 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Progress in Polymer Degradation and Stability Research by : Herbert W. Moeller
Download or read book Progress in Polymer Degradation and Stability Research written by Herbert W. Moeller and published by Nova Publishers. This book was released on 2007-06-11 with total page 406 pages. Available in PDF, EPUB and Kindle. Book excerpt: Polymer degradation is a change in the properties -- tensile strength, colour, shape, etc -- of a polymer or polymer based product under the influence of one or more environmental factors such as heat, light or chemicals. These changes may be undesirable, such as changes during use, or desirable, as in biodegradation or deliberately lowering the molecular weight of a polymer. Such changes occur primarily because of the effect of these factors on the chemical composition of the polymer. In a finished product such a change is to be prevented or delayed. However, the degradation process can be useful from the view points of understanding the structure of a polymer or recycling/reusing the polymer waste to prevent or reduce environmental pollution. Polymers molecules are very large on the molecular scale which derive their unique and useful properties from their size.
Book Synopsis Developments in Polymer Degradation (majalah). by :
Download or read book Developments in Polymer Degradation (majalah). written by and published by . This book was released on 1968 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Developments in Polymer Degradation by :
Download or read book Developments in Polymer Degradation written by and published by . This book was released on 1977 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Thermal Degradation of Polymeric Materials by : Krzysztof Pielichowski
Download or read book Thermal Degradation of Polymeric Materials written by Krzysztof Pielichowski and published by iSmithers Rapra Publishing. This book was released on 2005 with total page 324 pages. Available in PDF, EPUB and Kindle. Book excerpt: Understanding the thermal degradation of polymers is of paramount importance for developing a rational technology of polymer processing and higher-temperature applications. Controlling degradation requires understanding of many different phenomena, including chemical mechanisms, the influence of polymer morphology, the complexities of oxidation chemistry, and the effects of stabilisers, fillers and other additives. This book offers a wealth of information for polymer researchers and processors requiring an understanding of the implications of thermal degradation on material and product performance.
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