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Author: M. B. Neiman
Publisher: Springer Science & Business Media
ISBN: 146158549X
Category : Technology & Engineering
Languages : en
Pages : 374
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Book Description
The need for a broad development of the production of polymer ma terials has become evident. All these materials are subject to various types of aging (destruction); hence, stabilizers which permit the stor age, reprocessing, and use of polymer materials without any appreci able change in their properties must be introduced into them. In recent years, this problem of stabilizing polymers has attracted the attention of many scientists and technologists, both in the USSR and abroad. The scientific basis of the foreign studies will be found in a number of theo retical premises, but chiefly the theory of chain reactions with un branched chains. In the Soviet Union, the concepts of Academician N. N. Semenov on chain reactions with degenerate branches have become the starting point of theoretical studies of the stabilization and destruction of polymers. Soviet scientists have developed a theory of critical concentrations of antioxidants and have shown that the processes of stabilization have a very complex chemical character. The nature of the polymers them selves greatly affects these processes and consequently, different stabil izers are required for polymers of different structures. In addition, it has been shown that the antioxidants used thus far can not only cause chain termination, but can also initiate oxidation and give rise to de generate branches.
Author: M. B. Neiman
Publisher: Springer Science & Business Media
ISBN: 146158549X
Category : Technology & Engineering
Languages : en
Pages : 374
Get Book Here
Book Description
The need for a broad development of the production of polymer ma terials has become evident. All these materials are subject to various types of aging (destruction); hence, stabilizers which permit the stor age, reprocessing, and use of polymer materials without any appreci able change in their properties must be introduced into them. In recent years, this problem of stabilizing polymers has attracted the attention of many scientists and technologists, both in the USSR and abroad. The scientific basis of the foreign studies will be found in a number of theo retical premises, but chiefly the theory of chain reactions with un branched chains. In the Soviet Union, the concepts of Academician N. N. Semenov on chain reactions with degenerate branches have become the starting point of theoretical studies of the stabilization and destruction of polymers. Soviet scientists have developed a theory of critical concentrations of antioxidants and have shown that the processes of stabilization have a very complex chemical character. The nature of the polymers them selves greatly affects these processes and consequently, different stabil izers are required for polymers of different structures. In addition, it has been shown that the antioxidants used thus far can not only cause chain termination, but can also initiate oxidation and give rise to de generate branches.
Author: M. B. Neiman
Publisher:
ISBN:
Category :
Languages : en
Pages : 395
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Book Description
Author: M. B. Neiman
Publisher:
ISBN:
Category :
Languages : en
Pages : 365
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Book Description
Author: Hans Zweifel
Publisher: Springer Science & Business Media
ISBN: 3642803059
Category : Science
Languages : en
Pages : 225
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Book Description
Plastics are used worldwide in everyday life, e.g. as food packaging, electronics, construction, automotive parts, and household appliances. To produce these products with the desired service lifetimes the use of suitable stabilizers is necessary. This book provides a concise and comprehensive overview of the basic mechanisms of plastic degradation processes caused by heat and light. At its core is a detailed description of the stabilization of different polymers, including an explanation of stabilization mechanisms and the influence of commonly used additives such as fillers, flame retardents and pigments on the stability of plastic. Every polymer scientist, material technologist, or application engineer dealing with the design of the properties of plastics will benefit from this new overview.
Author: Institut khimicheskoĭ fiziki (Akademii︠a︡ nauk SSSR)
Publisher:
ISBN:
Category : Polymers and Polymerization
Languages : en
Pages : 365
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Book Description
Author: Gennadiĭ Efremovich Zaikov
Publisher: Nova Publishers
ISBN: 9781560721222
Category : Science
Languages : en
Pages : 250
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Book Description
Author: Gennadiĭ Efremovich Zaikov
Publisher: Nova Biomedical Books
ISBN:
Category : Science
Languages : en
Pages : 278
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Book Description
Aging of Polymers, Polymer Blends & Polymer Composites
Author: Niyazi
Publisher: CRC Press
ISBN: 9047410874
Category : Science
Languages : en
Pages : 195
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Book Description
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 orde
Author:
Publisher:
ISBN:
Category : Polymers
Languages : en
Pages : 410
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : de
Pages : 0
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Book Description