Degradation Stabilization And Combustion Of Polymers

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Polymer Degradation and Stabilization

Author : W. L. Hawkins
Publisher : Springer Science & Business Media
ISBN 13 : 3642693768
Total Pages : 129 pages
Book Rating : 4.6/5 (426 download)

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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.

Degradation, Stabilization and Combustion of Polymers

Author : Guennadii E. Zaikov
Publisher :
ISBN 13 :
Total Pages : 319 pages
Book Rating : 4.:/5 (256 download)

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Book Synopsis Degradation, Stabilization and Combustion of Polymers by : Guennadii E. Zaikov

Download or read book Degradation, Stabilization and Combustion of Polymers written by Guennadii E. Zaikov and published by . This book was released on 1992 with total page 319 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Degradation and Stabilization of Polymers

Author : Hans Helmut Gunter Jellinek
Publisher :
ISBN 13 :
Total Pages : 742 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Degradation and Stabilization of Polymers by : Hans Helmut Gunter Jellinek

Download or read book Degradation and Stabilization of Polymers written by Hans Helmut Gunter Jellinek and published by . This book was released on 1983 with total page 742 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Degradation, Stabilization and Combustion of Polymers

Author : Guennadii E Zaikov
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (826 download)

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Book Synopsis Degradation, Stabilization and Combustion of Polymers by : Guennadii E Zaikov

Download or read book Degradation, Stabilization and Combustion of Polymers written by Guennadii E Zaikov and published by . This book was released on 1992 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Degradation, Stabilization and Combustion of Polymers

Author :
Publisher :
ISBN 13 :
Total Pages : 319 pages
Book Rating : 4.:/5 (355 download)

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Book Synopsis Degradation, Stabilization and Combustion of Polymers by :

Download or read book Degradation, Stabilization and Combustion of Polymers written by and published by . This book was released on 1992 with total page 319 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Polymer Degradation and Stabilization

Author : W. Lincoln Hawkins
Publisher :
ISBN 13 : 9780387128511
Total Pages : 119 pages
Book Rating : 4.1/5 (285 download)

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Book Synopsis Polymer Degradation and Stabilization by : W. Lincoln Hawkins

Download or read book Polymer Degradation and Stabilization written by W. Lincoln Hawkins and published by . This book was released on 1984 with total page 119 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Aspects of Degradation and Stabilization of Polymers

Author : Hans Helmut Gunter Jellinek
Publisher : Elsevier Science & Technology
ISBN 13 :
Total Pages : 708 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Aspects of Degradation and Stabilization of Polymers by : Hans Helmut Gunter Jellinek

Download or read book Aspects of Degradation and Stabilization of Polymers written by Hans Helmut Gunter Jellinek and published by Elsevier Science & Technology. This book was released on 1978 with total page 708 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Degradation, Stabilization and Combustion of Polymers

Author :
Publisher :
ISBN 13 :
Total Pages : 319 pages
Book Rating : 4.:/5 (355 download)

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Book Synopsis Degradation, Stabilization and Combustion of Polymers by :

Photodegradation and Light Stabilization of Heterochain Polymers

Author : Niyazi
Publisher : CRC Press
ISBN 13 : 9004153624
Total Pages : 195 pages
Book Rating : 4.0/5 (41 download)

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Book Synopsis Photodegradation and Light Stabilization of Heterochain Polymers by : Niyazi

Download or read book Photodegradation and Light Stabilization of Heterochain Polymers written by Niyazi and published by CRC Press. This book was released on 2006-11-14 with total page 195 pages. Available in PDF, EPUB and Kindle. Book excerpt: Photodegradation and light stabilization are very important aspects of polymer aging. Polymer degradation includes different types of processes: thermodegradation, oxidation, acting of ozone, photodegradation, radiation, hydrolysis, mechanical degradation, and biodegradation. It is very important to know the mechanism of polymer degradation in order to select stabilizers against the degradation. This volume presents the analysis of achievements in the field of photodegradation of polymers. It includes, first of all, data of Russian investigators who have decisively contributed in the development of this field of knowledge (the schools headed by academicians V.V. Korshak, N.M. Emanuel, N.S. Enikolopov, A.A. Berlin, and many others).

Polymer Green Flame Retardants

Author : Constantine D. Papaspyrides
Publisher : Newnes
ISBN 13 : 0444538097
Total Pages : 943 pages
Book Rating : 4.4/5 (445 download)

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Book Synopsis Polymer Green Flame Retardants by : Constantine D. Papaspyrides

Download or read book Polymer Green Flame Retardants written by Constantine D. Papaspyrides and published by Newnes. This book was released on 2014-08-14 with total page 943 pages. Available in PDF, EPUB and Kindle. Book excerpt: Polymer Green Flame Retardants covers key issues regarding the response of polymers during fire, the mechanisms of their flame retardation, the regulations imposed on their use, and the health hazards arising from their combustion. Presenting the latest research developments, the book focuses in particular on nanocomposites, believed to be the most promising approach for producing physically superior materials with low flammability and ecological impact. The fire properties of nanocomposites of various matrixes and fillers are discussed, the toxicological characteristics of these materials are analyzed, addressing also their environmental sustainability. Edited by distinguished scientists, including an array of international industry and academia experts, this book will appeal to chemical, mechanical, environmental, material and process engineers, upper-level undergraduate and graduate students in these disciplines, and generally to researchers developing commercially attractive and environmentally friendly fire-proof products. Provides recent findings on the manufacture of environmentally sustainable flame retardant polymeric materials Covers legislation and regulations concerning flame retarded polymeric material use Includes tables containing the fire properties of the most common polymeric materials

Mechanisms of Polymer Degradation and Stabilisation

Author : G. Scott
Publisher : Springer Science & Business Media
ISBN 13 : 9401138389
Total Pages : 336 pages
Book Rating : 4.4/5 (11 download)

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Book Synopsis Mechanisms of Polymer Degradation and Stabilisation by : G. Scott

Download or read book Mechanisms of Polymer Degradation and Stabilisation written by G. Scott and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this publication is two-fold. In the first place it is intended to review progress in the development of practical stabilising systems for a wide range of polymers and applications. A complemen tary and ultimately more important objective is to accommodate these practical developments within the framework of antioxidant theory, since there can be little question that further major advances in the practice of stabilisation technology will only be possible on a firm mechanistic foundation. With the continual increase in the number of commercial anti oxidants and stabilisers, often functioning by mechanisms not even considered ten years ago, there is a need for a general theory which will allow the potential user to predict the performance of a particular antioxidant structure under specific practical conditions. Any such predictive tool must involve a simplified kinetic approach to inhibited oxidation and, in Chapter 1, Denisov outlines a possible mechanistic approach with the potential to predict the most useful antioxidant to use and the limits of its usefulness. In Chapter 2, Schwetlick reviews the current state of knowledge on the antioxidant mechanisms of the phosphite esters with particular emphasis on their catalytic peroxidolytic activity. Dithiophosphate v vi PREFACE derivatives show a similar behaviour but for quite different reasons and, in Chapter 3, AI-Malaika reviews information available from analytical studies, particularly using 31p_NMR spectroscopy, to elucid ate the complex chemistry that leads to the formation of the antioxidant -active agents.

Thermal Degradation of Polymeric Materials

Author : Krzysztof Pielichowski
Publisher : iSmithers Rapra Publishing
ISBN 13 : 9781859574980
Total Pages : 324 pages
Book Rating : 4.5/5 (749 download)

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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.

Theory of Flame Retardation of Polymeric Materials

Author : Li Jianjun
Publisher : Walter de Gruyter GmbH & Co KG
ISBN 13 : 3110386488
Total Pages : 388 pages
Book Rating : 4.1/5 (13 download)

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Book Synopsis Theory of Flame Retardation of Polymeric Materials by : Li Jianjun

Download or read book Theory of Flame Retardation of Polymeric Materials written by Li Jianjun and published by Walter de Gruyter GmbH & Co KG. This book was released on 2019-08-19 with total page 388 pages. Available in PDF, EPUB and Kindle. Book excerpt: Flame retardant materials are of vital importance in guaranteeing personal security. Especially the demand for non-toxic, low smoking, polymerized flame retardants increases and new materials enter the market. The authors present the fundamental theory of polymer combustion, compare different flame retardants, describe smoke suppression mechanisms, and explain analyzing techniques for new materials.

PVC Degradation and Stabilization

Author : George Wypych
Publisher : Elsevier
ISBN 13 : 1927885000
Total Pages : 499 pages
Book Rating : 4.9/5 (278 download)

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Book Synopsis PVC Degradation and Stabilization by : George Wypych

Download or read book PVC Degradation and Stabilization written by George Wypych and published by Elsevier. This book was released on 2015-03-18 with total page 499 pages. Available in PDF, EPUB and Kindle. Book excerpt: PVC stabilization, the most important aspect of formulation and performance of this polymer, is discussed in details. This book contains all information required to design successful stabilization formula for any product made out of PVC. Separate chapters review information on chemical structure, PVC manufacturing technology, morphology, degradation by thermal energy, UV, gamma, other forms of radiation, mechanodegradation, and chemical degradation. The chapter on analytical methods used in studying of degradative and stabilization processes helps in establishing system of checking results of stabilization with different stabilizing systems. Stabilization and stabilizers are discussed in full detail in the most important chapter of this book. The final chapter contains information on the effects of PVC and its additives on health, safety and environment. This book contains analysis of all essential papers and patents published until recently on the above subject. It either locates the answers to relevant questions and offers solutions or gives references in which such answers can be found. PVC Degradation and Stabilization is must to have for chemists, engineers, scientists, university teachers and students, designers, material scientists, environmental chemists, and lawyers who work with polyvinyl chloride and its additives or have any interest in these products. This book is the one authoritative source on the subject. A practical and up-to-date reference guide for engineers and scientists designing with PVC Covers thermal, UV, gamma radiation, chemical, and other forms of degradation Includes a critical discussion of the sustainability issues faced by PVC and its additives, as well as health and safety concerns

Kinetic and Thermodynamic Aspects of Polymer Stability

Author : Gennadiĭ Efremovich Zaikov
Publisher : Nova Publishers
ISBN 13 : 9781560722588
Total Pages : 258 pages
Book Rating : 4.7/5 (225 download)

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Book Synopsis Kinetic and Thermodynamic Aspects of Polymer Stability by : Gennadiĭ Efremovich Zaikov

Download or read book Kinetic and Thermodynamic Aspects of Polymer Stability written by Gennadiĭ Efremovich Zaikov and published by Nova Publishers. This book was released on 1996 with total page 258 pages. Available in PDF, EPUB and Kindle. Book excerpt: Kinetic & Thermodynamic Aspects of Polymer Stability

Polymer Degradation During Combustion

Author : S. K. Brauman
Publisher :
ISBN 13 :
Total Pages : 34 pages
Book Rating : 4.:/5 (124 download)

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Book Synopsis Polymer Degradation During Combustion by : S. K. Brauman

Download or read book Polymer Degradation During Combustion written by S. K. Brauman and published by . This book was released on 1982 with total page 34 pages. Available in PDF, EPUB and Kindle. Book excerpt: The steady-state degradation and gasification of polystyrene was examined by a driven-rod radiant pyrolysis technique. The impinging radiation flux (5.6 watts/cm-2) produced the same surface regression rate (0.06 cm/min) as was observed for the rods burning in air. The temperature profile in the regressing rod was measured by a fine thermocouple (0.13 mm junction) and the result used in conjunction with isothermal degradation kinetics to predict the rate of polystyrene gasification. The predicted rate is about 65% of the observed rate for the case of a nitrogen atmosphere. Other experiments include an examination of the effect of oxygen in the ambient gas and measurements of the molecular weight distribution in the degraded rods. It is concluded that the degradation mechanism for polystyrene is substantially unchanged in going from isothermal pyrolysis to combustion conditions.

Degradable Polymers

Author : G. Scott
Publisher : Springer Science & Business Media
ISBN 13 : 9401105715
Total Pages : 284 pages
Book Rating : 4.4/5 (11 download)

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Book Synopsis Degradable Polymers by : G. Scott

Download or read book Degradable Polymers written by G. Scott and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt: Few scientific developments in recent years have captured the popular imagination like the subject of'biodegradable' plastics. The reasons for this are complex and lie deep in the human subconscious. Discarded plastics are an intrusion on the sea shore and in the countryside. The fact that nature's litter abounds in the sea and on land is acceptable because it is biodegradable - even though it may take many years to be bioassimilated into the ecosystem. Plastics litter is not seen to be biodegradable and is aesthetically unacceptable because it does not blend into the natural environment. To the environmentally aware but often scientifically naive, biodegradation is seen to be the ecologically acceptable solution to the problem of plastic packaging waste and litter and some packaging manufacturers have exploited the 'green' consumer with exaggerated claims to 'environmentally friendly' biodegradable packaging materials. The principles underlying environmental degradation are not understood even by some manufacturers of 'biodegradable' materials and the claims made for them have been categorized as 'deceptive' by USA legislative authorities. This has set back the acceptance of plastics with controlled biodegradability as part of the overall waste and litter control strategy. At the opposite end of the commercial spectrum, the polymer manufactur ing industries, through their trade associations, have been at pains to discount the role of degradable materials in waste and litter management. This negative campaign has concentrated on the supposed incompatibility of degradable plastics with aspects of waste management strategy, notably materials recycling.