Photostabilization Of Polymers

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Photostabilization of Polymers

J.F. Rabek
Photostabilization of Polymers Book PDF

Author : J.F. Rabek
Publisher : Springer Science & Business Media
Page : 607 pages
File Size : 53,5 Mb
Release : 2012-12-06
Category : Science
ISBN : 9789400907478

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Photostabilization of Polymers by J.F. Rabek Pdf

During the last two decades, the production of polymers and plastics has been increasing rapidly. In spite of developing new polymers and polymeric materials, only 40-60 are used commercially on a large scale. It has been estimated that half of the annual production of polymers is employed outdoors. Increasing the stability of polymers and plastics towards heat, light, atmospheric oxygen and other environmental agents and weathering conditions has always been a very important problem. The photochemical instability of most of polymers limits them to outdoor application, where they are photo degraded fast over periods ranging from months to a few years. To the despair of technologists and consumers alike, photodegrada tion and environmental ageing of polymers occur much faster than can be expected from knowledge collected in laboratories. In many cases, improved methods of preparation and purification of both monomers and polymers yield products of better quality and higher resistance to heat and light. However, without stabilization of polymers by applica tion of antioxidants (to decrease thermal oxidative degradation) and photostabilizers (to decrease photo-oxidative degradation) it would be impossible to employ polymers and plastics in everyday use.

Photostabilization of Polymers

Jan F. Rabek
Photostabilization of Polymers Book PDF

Author : Jan F. Rabek
Publisher : Unknown
Page : 612 pages
File Size : 49,9 Mb
Release : 1990-06-30
Category : Polymers and polymerization
ISBN : 9400907486

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Photostabilization of Polymers by Jan F. Rabek Pdf

Polymer Photodegradation

J.F. Rabek
Polymer Photodegradation Book PDF

Author : J.F. Rabek
Publisher : Springer Science & Business Media
Page : 679 pages
File Size : 51,7 Mb
Release : 2012-12-06
Category : Technology & Engineering
ISBN : 9789401112741

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Polymer Photodegradation by J.F. Rabek Pdf

During the last two decades, the production of polymers and plastics has been increasing rapidly. In spite of developing new polymers and polymeric materials, only 40~60 are used commercially on a large scale. It has been estimated that half of the annual production of polymers is employed outdoors. The photochemical instability of most polymers limits their outdoor application as they are photodegraded quickly over periods from months to a few years. To the despair of technologists and consumers alike, photodegradation and environmental ageing of polymers occur much faster than can be expected from knowledge collected in laboratories. In order to improve polymer photostability there has been a very big effort during the last 30 years to understand the mechanisms involved in photodegradation and environmental ageing. This book represents the author's attempt, based on his 25 years' experience in research on photodegradation and photo stabilization, to collect and generalize a number of available data on the photodegradation of polymers. The space limitation and the tremendous number of publications in the past two decades have made a detailed presentation of all important results and data difficult. The author apologizes to those whose work has not been quoted or widely presented in this book. Because many published results are very often contradictory, it has been difficult to present a fully critical review of collected knowledge, without antagonizing authors. For that reason, all available theories, mechanisms and different suggestions have been presented together, and only practice can evaluate which of them are valid.

Photodegradation of Polymers

Jan F. Rabek
Photodegradation of Polymers Book PDF

Author : Jan F. Rabek
Publisher : Springer Science & Business Media
Page : 222 pages
File Size : 45,8 Mb
Release : 2012-12-06
Category : Science
ISBN : 9783642800900

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Photodegradation of Polymers by Jan F. Rabek Pdf

In this book on physical characteristics and practical aspects of polymer photodegradation Rabek emphasizes the experimental work on the subject. The most important feature of the book is the physical interpretation of polymer degradation, e.g. mechanism of UV/light absorption, formation of excited states, energy transfer mechanism, kinetics, dependence on physical properties of macromolecules and polymer matrices, formation of mechanical defects, practics during environmental ageing. He includes also some aspects of polymer photodegradation in environmental and space condition.

Fundamentals of Polymer Degradation and Stabilization

N.S. Allen,M. Edge
Fundamentals of Polymer Degradation and Stabilization Book PDF

Author : N.S. Allen,M. Edge
Publisher : Springer Science & Business Media
Page : 218 pages
File Size : 53,8 Mb
Release : 1992-10-31
Category : Technology & Engineering
ISBN : 1851667733

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Fundamentals of Polymer Degradation and Stabilization by N.S. Allen,M. Edge Pdf

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.

Plastics Additives

G. Pritchard
Plastics Additives Book PDF

Author : G. Pritchard
Publisher : Springer Science & Business Media
Page : 650 pages
File Size : 42,6 Mb
Release : 2012-12-06
Category : Technology & Engineering
ISBN : 9789401158626

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Plastics Additives by G. Pritchard Pdf

Although plastics are extremely successful commercially, they would never reach acceptable performance standards either in properties or processing without the incorporation of additives. With the inclusion of additives, plastics can be used in a variety of areas competing directly with other materials, but there are still many challenges to overcome. Some additives are severely restricted by legislation, others interfere with each other-in short their effectiveness varies with circumstances. Plastics Additives explains these issues in an alphabetical format making them easily accessible to readers, enabling them to find specific information on a specific topic. Each additive is the subject of one or more articles, providing a suffinct account of each given topic. An international group of experts in additive and polymer science, from many world class companies and institutes, explain the recent rapid changes in additive technology. They cover novel additives (scorch inhibitors, compatibilizers, surface-modified particulates etc.), the established varieties (antioxidants, biocides, antistatic agents, nucleating agents, fillers, fibres, impact modifiers, plasticizers) and many others, the articles also consider environmental concerns, interactions between additives and legislative change. With a quick reference guide and introductory articles that provide the non-specialist and newcomer with relevant information, this reference book is essential reading for anyone concerned with plastics and additives.

Polymer Photodegradation

Jan F. RABEK
Polymer Photodegradation Book PDF

Author : Jan F. RABEK
Publisher : Springer
Page : 664 pages
File Size : 51,5 Mb
Release : 2012-09-19
Category : Technology & Engineering
ISBN : 9401045569

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Polymer Photodegradation by Jan F. RABEK Pdf

During the last two decades, the production of polymers and plastics has been increasing rapidly. In spite of developing new polymers and polymeric materials, only 40~60 are used commercially on a large scale. It has been estimated that half of the annual production of polymers is employed outdoors. The photochemical instability of most polymers limits their outdoor application as they are photodegraded quickly over periods from months to a few years. To the despair of technologists and consumers alike, photodegradation and environmental ageing of polymers occur much faster than can be expected from knowledge collected in laboratories. In order to improve polymer photostability there has been a very big effort during the last 30 years to understand the mechanisms involved in photodegradation and environmental ageing. This book represents the author's attempt, based on his 25 years' experience in research on photodegradation and photo stabilization, to collect and generalize a number of available data on the photodegradation of polymers. The space limitation and the tremendous number of publications in the past two decades have made a detailed presentation of all important results and data difficult. The author apologizes to those whose work has not been quoted or widely presented in this book. Because many published results are very often contradictory, it has been difficult to present a fully critical review of collected knowledge, without antagonizing authors. For that reason, all available theories, mechanisms and different suggestions have been presented together, and only practice can evaluate which of them are valid.

Developments in Polymer Stabilisation

Gerald Scott
Developments in Polymer Stabilisation Book PDF

Author : Gerald Scott
Publisher : Elsevier Science & Technology
Page : 283 pages
File Size : 53,8 Mb
Release : 1981
Category : Polymers
ISBN : 0853349207

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Developments in Polymer Stabilisation by Gerald Scott Pdf

Photochemistry and Photophysics of Polymeric Materials

Norman S. Allen
Photochemistry and Photophysics of Polymeric Materials Book PDF

Author : Norman S. Allen
Publisher : John Wiley & Sons
Page : 725 pages
File Size : 43,8 Mb
Release : 2010-03-22
Category : Technology & Engineering
ISBN : 9780470137963

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Photochemistry and Photophysics of Polymeric Materials by Norman S. Allen Pdf

Presents the state of the technology, from fundamentals to new materials and applications Today's electronic devices, computers, solar cells, printing, imaging, copying, and recording technology, to name a few, all owe a debt to our growing understanding of the photophysics and photochemistry of polymeric materials. This book draws together, analyzes, and presents our current understanding of polymer photochemistry and photophysics. In addition to exploring materials, mechanisms, processes, and properties, the handbook also highlights the latest applications in the field and points to new developments on the horizon. Photochemistry and Photophysics of Polymer Materials is divided into seventeen chapters, including: Optical and luminescent properties and applications of metal complex-based polymers Photoinitiators for free radical polymerization reactions Photovoltaic polymer materials Photoimaging and lithographic processes in polymers Photostabilization of polymer materials Photodegradation processes in polymeric materials Each chapter, written by one or more leading experts and pioneers in the field, incorporates all the latest findings and developments as well as the authors' own personal insights and perspectives. References guide readers to the literature for further investigation of individual topics. Together, the contributions represent a series of major developments in the polymer world in which light and its energy have been put to valuable use. Not only does this reference capture our current state of knowledge, but it also provides the foundation for new research and the development of new materials and new applications.

Photochemical Behavior of Multicomponent Polymeric-based Materials

Dan Rosu,Visakh P. M.
Photochemical Behavior of Multicomponent Polymeric based Materials Book PDF

Author : Dan Rosu,Visakh P. M.
Publisher : Springer
Page : 405 pages
File Size : 51,8 Mb
Release : 2016-11-21
Category : Technology & Engineering
ISBN : 9783319251967

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Photochemical Behavior of Multicomponent Polymeric-based Materials by Dan Rosu,Visakh P. M. Pdf

This book offers in-depth insights into the photochemical behavior of multicomponent polymeric-based materials, with a particular emphasis on the photodegradation and photostabilization of these materials. Studying various classes of materials bases such as polysaccharides, wood, synthetic polymers, rubber blends, and nanocomposites, it offers a valuable reference source for graduate and postgraduate students, engineering students, research scholars and polymer engineers working in industry.