Tag Archives: physicochemical

Fractal Mechanics of Polymers: Chemistry and Physics of Complex Polymeric Materials

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Fractal Mechanics of Polymers: Chemistry and Physics of Complex Polymeric Materials by G. V. Kozlov, Yu G. Yanovskii
2014 | ISBN: 1771880414 | English | 384 pages | PDF | 11 MB

Fractal Mechanics of Polymers: Chemistry and Physics of Complex Polymeric Materials
This new book explores the consideration of relationships that connect the structural and basic mechanical properties of polymeric mediums within the frameworks of fractal analysis with cluster model representations attraction. Incidentally, the choice of any structural model of medium or their combinations is defined by expediency and further usage convenience only. This book presents leading-edge research in this rapidly changing and evolving field.

The book presents descriptions of the main reactions of high-molecular substances within the frameworks of fractal analysis and irreversible aggregation models. Synergetics and percolation theory were also used. In spite of the enormous number of papers dealing with the influence of the medium on the rate of chemical reactions (including synthesis of polymers), no strict quantitative theory capable of "universal" application has been put forward up until now. It is now possible to describe the relationship between the reaction rate constants and the equilibrium constants with the nature of the medium in which the reactions take place by means of a single equation. This important book for the first time gives structural and physical grounds of polymers synthesis and curing, and the fractal analysis is used for this purpose.

This new book:

* Highlights some important areas of current interest in polymer products and chemical processes

* Focuses on topics with more advanced methods

* Emphasizes precise mathematical development and actual experimental details

* Analyzes theories to formulate and prove the physicochemical principles

* Provides an up-to-date and thorough exposition of the present state of the art of complex polymeric materials
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Fractal Mechanics of Polymers: Chemistry and Physics of Complex Polymeric Materials

FREEDownload : Fractal Mechanics of Polymers: Chemistry and Physics of Complex Polymeric Materials

Fractal Mechanics of Polymers: Chemistry and Physics of Complex Polymeric Materials by G. V. Kozlov, Yu G. Yanovskii
2014 | ISBN: 1771880414 | English | 384 pages | PDF | 11 MB

Fractal Mechanics of Polymers: Chemistry and Physics of Complex Polymeric Materials
This new book explores the consideration of relationships that connect the structural and basic mechanical properties of polymeric mediums within the frameworks of fractal analysis with cluster model representations attraction. Incidentally, the choice of any structural model of medium or their combinations is defined by expediency and further usage convenience only. This book presents leading-edge research in this rapidly changing and evolving field.

The book presents descriptions of the main reactions of high-molecular substances within the frameworks of fractal analysis and irreversible aggregation models. Synergetics and percolation theory were also used. In spite of the enormous number of papers dealing with the influence of the medium on the rate of chemical reactions (including synthesis of polymers), no strict quantitative theory capable of "universal" application has been put forward up until now. It is now possible to describe the relationship between the reaction rate constants and the equilibrium constants with the nature of the medium in which the reactions take place by means of a single equation. This important book for the first time gives structural and physical grounds of polymers synthesis and curing, and the fractal analysis is used for this purpose.

This new book:

* Highlights some important areas of current interest in polymer products and chemical processes

* Focuses on topics with more advanced methods

* Emphasizes precise mathematical development and actual experimental details

* Analyzes theories to formulate and prove the physicochemical principles

* Provides an up-to-date and thorough exposition of the present state of the art of complex polymeric materials
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Chemistry and Biology of Ellagitannins: An Underestimated Class of Bioactive Plant Polyphenois

Stephane Quideau, "Chemistry and Biology of Ellagitannins: An Underestimated Class of Bioactive Plant Polyphenois"
2009 | ISBN-10: 9812797408 | 396 pages | PDF | 8,5 MB
This book is the first of its kind that focuses on the chemistry and biology of ellagitannins, a special class of naturally occurring polyphenols which have so far not received the attention they deserve. These polyphenolic substances are found in many plants, including numerous food sources. They not only exhibit unique structural features that fascinate most chemists who are aware of their existence, but also express remarkable biological activities that have yet to attract the interest of the pharmaceutical industry. This is surprising because ellagitannins have been identified as active principles in traditional Chinese medicines.

The principal aim of this book is to set the record straight. Most, if not all, worldwide experts in each aspect of the chemistry and biology of this underestimated class of natural products have contributed to this book. It covers topics such as their structural determination and natural occurrence; the most up-to-date knowledge of their biosynthesis; the current state of the art of their total chemical synthesis; their main physicochemical properties and principal biological activities; their presence in food and beverages; and their related health effects. All together, nine chapters compose this book whose content is placed into historical perspective in a yet inspiring preface written by one of the pioneers in modern polyphenol research, Professor Edwin Haslam. This book will be useful not only to scientists involved in natural product research, but also to lecturers and their students as a source of key references and/or a textbook.

Contents: Ellagitannins Renewed the Concept of Tannins; Structural Diversity and Antimicrobial Activities of Ellagitannins; Biosynthesis of Ellagitannins: Old Ideas and New Solutions; Physicochemical Properties and Biomimetic Reactions of Ellagitannins; Strategies for the Synthesis of Ellagitannins; Immunomodulatory Ellagitannin Chemistry; Bioavailability and Metabolism of Ellagic Acid and Ellagitannins; Sources and Health Effects of Dietary Ellagitannins; C-Glycosidic Ellagitannins and Their Influence on Wine Chemistry.

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