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Author: G. Scott
Publisher: Springer Science & Business Media
ISBN: 9400934297
Category : Technology & Engineering
Languages : en
Pages : 303
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Book Description
The purpose of the present series of publications 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 complementary and ultimately more important objec tive 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 the basis of a firm mechanistic foundation. Research into the role of 'stable' free radicals as antioxidants and stabilisers for polymers has intensified in recent years. Nitroxyl radicals (nitroxides) were the earliest long-lived radicals to be investi gated in detail and Maslov and Zaikov review the developments that have taken place in understanding their reaction mechanisms from the time when they were first investigated in liquid hydrocarbon systems to the present day when their outstanding performance as light stabilisers has been the object of much scientific research. Although some features of their reactivity remain obscure, the authors approach the problem kinetically and indicate the factors limiting their effectiveness.
Author: G. Scott
Publisher: Springer Science & Business Media
ISBN: 9400934297
Category : Technology & Engineering
Languages : en
Pages : 303
Get Book Here
Book Description
The purpose of the present series of publications 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 complementary and ultimately more important objec tive 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 the basis of a firm mechanistic foundation. Research into the role of 'stable' free radicals as antioxidants and stabilisers for polymers has intensified in recent years. Nitroxyl radicals (nitroxides) were the earliest long-lived radicals to be investi gated in detail and Maslov and Zaikov review the developments that have taken place in understanding their reaction mechanisms from the time when they were first investigated in liquid hydrocarbon systems to the present day when their outstanding performance as light stabilisers has been the object of much scientific research. Although some features of their reactivity remain obscure, the authors approach the problem kinetically and indicate the factors limiting their effectiveness.
Author: Gerald Scott
Publisher: Elsevier Science & Technology
ISBN: 9780853349204
Category : Polymers
Languages : en
Pages : 283
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Book Description
Author: W. L. Hawkins
Publisher: Springer Science & Business Media
ISBN: 3642693768
Category : Technology & Engineering
Languages : en
Pages : 129
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Book Description
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.
Author: Francesco Paolo La Mantia
Publisher: ChemTec Publishing
ISBN: 1895198119
Category : Electronic books
Languages : en
Pages : 198
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Book Description
This book, on recycling of PVC and mixed plastic wastes, has been compiled from contributions from an array of scientists from several countries who are playing a leading role in plastic recycling. They offer practical solutions to many difficult problems in this field. Anyone involved in production of materials from virgin polymers who is concerned with their recyclability should read this book. The ideas and data presented will help the process of planning future recycling efforts and help to bring the recycling process from a costly nuisance to a profitable industry.
Author: Gerald Scott
Publisher: Elsevier Science & Technology
ISBN: 9780853348382
Category : Technology & Engineering
Languages : en
Pages : 344
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Book Description
Author: S. Halim Hamid
Publisher: CRC Press
ISBN: 1482270188
Category : Technology & Engineering
Languages : en
Pages : 800
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Book Description
Covers recent advances in polymer degradation and stabilization. Focuses on the basics of photo- and bio-degradability. Delineates special and general environmental parameters such as solar irradiation, temperature, and agrochemical exposure. Surveys plastic waste disposal strategies such as recycling, incineration, chemical recovery by pyrolysis, and source reduction.
Author: Bozzano G Luisa
Publisher: Elsevier
ISBN: 0444597026
Category : Science
Languages : en
Pages : 556
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Book Description
This volume examines the oxidation chemistry of carbon-based materials in more detail with emphasis on the technological phenomena that result from the attack of oxygen and the practical procedures developed to prevent them.
Author: Ann-Christine Albertsson
Publisher: Springer Science & Business Media
ISBN: 9783540407690
Category : Technology & Engineering
Languages : en
Pages : 336
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Book Description
Author:
Publisher:
ISBN:
Category : Polymerization
Languages : en
Pages : 322
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Book Description
Author: Sunggyu Lee
Publisher: Taylor & Francis US
ISBN: 9780824755003
Category : Science
Languages : en
Pages : 768
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Book Description
Supplying nearly 350 expertly-written articles on technologies that can maximize and enhance the research and production phases of current and emerging chemical manufacturing practices and techniques, this second edition provides gold standard articles on the methods, practices, products, and standards recently influencing the chemical industries. New material includes: design of key unit operations involved with chemical processes; design, unit operation, and integration of reactors and separation systems; process system peripherals such as pumps, valves, and controllers; analytical techniques and equipment; current industry practices; and pilot plant design and scale-up criteria.
