Effects Of Additive Modification On Flow Properties Of Fine Coating Particles

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Effects of Additive Modification on Flow Properties of Fine Coating Particles

Author : Danni Bao
Publisher :
ISBN 13 :
Total Pages : 408 pages
Book Rating : 4.:/5 (16 download)

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Book Synopsis Effects of Additive Modification on Flow Properties of Fine Coating Particles by : Danni Bao

Download or read book Effects of Additive Modification on Flow Properties of Fine Coating Particles written by Danni Bao and published by . This book was released on 2013 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt: The major challenge in fine powder coating technology is to improve the flowability of powders, so that the fine particles can be fluidized, pneumatically transported and then sprayed onto substrates homogenously. Although this can be achieved by adding commercial inorganic nanoparticles as flow additives, it also causes problems including film defects (seeds and fish eyes), because the inorganic additives are not fully compatible with the organic fine powder coating materials during curing. In this study, the concept of modified additives were exploited to improve the film quality and to enhance the performance of the modified additives on improving the flowability of the fine coating powders. The modified additives were produced by encapsulating the commercial nano-additives with three organic materials, epoxy, polyester and hybrid with a wet encapsulation method. The encapsulated additives were evaluated by TEM to make sure they are still in nano-scale. Functionality tests of the modified additives were conducted through the flowability measurements of fine polyurethane coating powder samples with modified additives. Sixty-six fine powder samples were tested for their angle of repose (AOR, a semi-static flowability) and avalanche angle (AVA, a dynamic flowability test). The results showed that both AOR and AVA were significantly affected by the encapsulating materials and their weight percentage, as well as the total loading radios of additives used in fine powders. An adhesion force model was proposed to reveal the mechanism on how the additive improving the flowability of fine powder. Based on this model, the optimum loading ratio of the additive for fine particles were predicted, which agreed well with the experimental results. Thus, this model can be used to predict the optimum loading ratio of the additive for different host particle sizes.

Study on Fine Powder Coating with Modified Additive

Author : Dangchen Xue
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (16 download)

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Book Synopsis Study on Fine Powder Coating with Modified Additive by : Dangchen Xue

Download or read book Study on Fine Powder Coating with Modified Additive written by Dangchen Xue and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Powder coating is a dry coating technology competing with conventional liquid coatings and offers many benefits such as the elimination of volatile organic compounds, high efficiency of material usage and improved coating durability. However, the rough and thick film surface restricts its wide application. The fine powder coating, which can solve the film quality issues, also has its own limitation: the powder is too cohesive to handle. Although, nanoparticle flow additives can significantly improve the flowability of fine powders, it leads to another obstacle at the same time. Since the inorganic nano additives are not fully compatible with the organic fine powder coating materials during the curing process, the agglomerates formed by nanoparticles can result in film defects such as seeds and pinholes, as well as the reduction of gloss. A technology of encapsulating polymer resins on the surface of nano silica additive is used for this work. By modifying the surface of the inorganic additives, the compatibility issues are expected to be solved while the effect of additive on flowabilities remains. The modified additives were prepared by encapsulating commercial nano silica additives with 2 organic materials, polyester or hybrid, in 4 different Resin-to-Encapsulated Additive ratios (R-EA ratios) and evaluated by TEM. The additives were incorporated into fine coating powders in 4 different additive loading ratios (LOAs). All of the 40 samples were tested by flow property measurements to obtain their angle of repose (for semi-static flow property) and avalanche angle (for dynamic flow property). The results show that with a suitable R-EA ratio and additive loading ratio, the powder sample performs better with improved semi-static and dynamic flow properties. And the optimum R-EA ratios and LOAs were suggested for specific applications. For each powder samples, three panels were sprayed with an electrostatic method and all of the 120 coated panels were evaluated by measuring gloss and the number of seeds on the film surface. Some panels were evaluated by a roughness profiler. The results show that coating films from the samples with modified additives have higher gloss, lower roughness and less seeds on the surface.

BASF Handbook on Basics of Coating Technology

Author : Artur Goldschmidt
Publisher : William Andrew
ISBN 13 : 9783878707981
Total Pages : 816 pages
Book Rating : 4.7/5 (79 download)

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Book Synopsis BASF Handbook on Basics of Coating Technology by : Artur Goldschmidt

Download or read book BASF Handbook on Basics of Coating Technology written by Artur Goldschmidt and published by William Andrew. This book was released on 2003 with total page 816 pages. Available in PDF, EPUB and Kindle. Book excerpt: The new Handbook on Basics of Coating Technology is a classic reference recently updated with 18 years worth of new technology, standards, and developments in the worldwide coating industry. This is an indispensable reference for anyone in the industry. Whether you are involved in traditional processes or the most innovative, this handbook will be a critical addition to your daily routine. Full of color images, graphs, and figures, the handbook comes complete with standard tables, general classification figures, definitions, and an extensive keyword index. Both engineers and technicians will find the answers they need within its pages. Instead of solving problems "after the fact," this handbook helps avoiding them in the first place, saving time and money. This reference also gives beginners and practically oriented readers a journey through the different coating segments clearly illustrated with lots of pictures. It also outlines the social changes in the industry concerning environmental compatibility and toxicology which have seriously affected product development.

Plasma Electrolytic Oxidation (PEO) Coatings

Author : Marta Mohedano
Publisher : MDPI
ISBN 13 : 3036505520
Total Pages : 172 pages
Book Rating : 4.0/5 (365 download)

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Book Synopsis Plasma Electrolytic Oxidation (PEO) Coatings by : Marta Mohedano

Download or read book Plasma Electrolytic Oxidation (PEO) Coatings written by Marta Mohedano and published by MDPI. This book was released on 2021-06-02 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt: Plasma electrolytic oxidation (PEO), also known as micro-arc oxidation (MAO), functionalizes surfaces, improving the mechanical, thermal, and corrosion performance of metallic substrates, along with other tailored properties (e.g., biocompatibility, catalysis, antibacterial response, self-lubrication, etc.). The extensive field of applications of this technique ranges from structural components, in particular, in the transport sector, to more advanced fields, such as bioengineering. The present Special Issue covers the latest advances in PEO‐coated light alloys for structural (Al, Mg) and biomedical applications (Ti, Mg), with 10 research papers and 1 review from leading research groups around the world.

Powder Flow

Author : Ali Hassanpour
Publisher : Royal Society of Chemistry
ISBN 13 : 1788018478
Total Pages : 238 pages
Book Rating : 4.7/5 (88 download)

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Book Synopsis Powder Flow by : Ali Hassanpour

Download or read book Powder Flow written by Ali Hassanpour and published by Royal Society of Chemistry. This book was released on 2019-07-12 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt: Powder flow has attracted increased attention in recent years as novel formulated and functional products are being developed in powder forms, particularly in pharmaceutical and high value additive manufacturing industries. This book meets a need for a truly integrated modern treatment of dry powder flow, covering theory, robust characterisation techniques, modelling tools and applications. Written by leaders in the field, the book opens by introducing the wide range of powder processing problems faced by industry, the complexities of powders and the myriad of ways their flow behaviour can be characterised. The authors then move on, with contributions from experts, to describe fundamental properties that can be measured, defining the states of stress and shear rate and the considerations that need to be taken account. By providing a comprehensive treatment of all available characterisation techniques, as well as various modelling tools, the reader obtains a clear, practical overview. Case studies and applications connect theory to practical examples across a broad range of industries. This book stands out by not only providing the reader with guidance on what to measure but also how to interpret results, ensuring this is an invaluable text for anyone working on powder flow in the chemical, pharmaceutical and manufacturing industries, as well as students and researchers across chemical and process engineering disciplines.

Additives for Coatings

Author : Johan Bieleman
Publisher : John Wiley & Sons
ISBN 13 : 3527613315
Total Pages : 390 pages
Book Rating : 4.5/5 (276 download)

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Book Synopsis Additives for Coatings by : Johan Bieleman

Download or read book Additives for Coatings written by Johan Bieleman and published by John Wiley & Sons. This book was released on 2008-09-26 with total page 390 pages. Available in PDF, EPUB and Kindle. Book excerpt: No doubt: A perfect coating has to look brilliant! But other properties of coatings are also most important. Coatings have to be durable, tough and easily applicable. Additives are the key to success in achieving these characteristics, even though the amounts used in coating formulations are small. It is not trivial at all to select the best additives. In practice, many series of tests are often necessary, and the results do not explain, why a certain additive improves the quality of a coating and another one impairs the coating. This book is dedicated to developers and applicants of coatings working in research or production, and it is aimed at providing a manual for their daily work. It will answer the following questions: How do the most important groups of additives act? Which effects can be be achieved by their addition? Scientific theories are linked to practical applications. Emphasis is put on the optical aspects that are most important for the applications in practice. This book is a milestone in quality assurance in the complete field of coatings!

Cold-Spray Coatings

Author : Pasquale Cavaliere
Publisher : Springer
ISBN 13 : 3319671839
Total Pages : 566 pages
Book Rating : 4.3/5 (196 download)

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Book Synopsis Cold-Spray Coatings by : Pasquale Cavaliere

Download or read book Cold-Spray Coatings written by Pasquale Cavaliere and published by Springer. This book was released on 2017-11-08 with total page 566 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book combines the contributions of experts in the field to describe the behavior of various materials, micromechanisms involved during processing, and the optimization of cold-spray technology. It spans production, characterization, and applications including wear resistance, fatigue, life improvement, thermal barriers, crack repair, and biological applications. Cold spray is an innovative coating technology based on the kinetic energy gained by particles sprayed at very high pressures. While the technique was developed in the 1990s, industrial and scientific interest in this technology has grown vastly in the last ten years. Recently, many interesting applications have been associated with cold-sprayed coatings, including wear resistance, fatigue life improvement, thermal barriers, biological applications, and crack repair. However, many fundamental aspects require clarification and description.

Additives for Coatings

Author : Johan Bieleman
Publisher : Wiley-VCH
ISBN 13 :
Total Pages : 400 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Additives for Coatings by : Johan Bieleman

Download or read book Additives for Coatings written by Johan Bieleman and published by Wiley-VCH. This book was released on 2000-05-25 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt: No doubt: A perfect coating has to look brilliant! But other properties of coatings are also most important. Coatings have to be durable, tough and easily applicable. Additives are the key to success in achieving these characteristics, even though the amounts used in coating formulations are small. It is not trivial at all to select the best additives. In practice, many series of tests are often necessary, and the results do not explain, why a certain additive improves the quality of a coating and another one impairs the coating. This book is dedicated to developers and applicants of coatings working in research or production, and it is aimed at providing a manual for their daily work. It will answer the following questions: How do the most important groups of additives act? Which effects can be be achieved by their addition? Scientific theories are linked to practical applications. Emphasis is put on the optical aspects that are most important for the applications in practice. This book is a milestone in quality assurance in the complete field of coatings!

Organic Coatings

Author : Zeno W. Wicks, Jr.
Publisher : John Wiley & Sons
ISBN 13 : 0470079061
Total Pages : 748 pages
Book Rating : 4.4/5 (7 download)

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Book Synopsis Organic Coatings by : Zeno W. Wicks, Jr.

Download or read book Organic Coatings written by Zeno W. Wicks, Jr. and published by John Wiley & Sons. This book was released on 2007-03-15 with total page 748 pages. Available in PDF, EPUB and Kindle. Book excerpt: Third Edition brings acclaimed textthoroughly up to date with the latestorganic coatings technology Organic Coatings, Third Edition is an unparalleled reference and text for organic coatings technology and its myriad applications. It begins with discussions of key principles of coatings, then thoroughly explores raw materials, physical concepts, formulations, and applications. Scientists, engineers, and paint formulators all gain a deeper understanding of the principles underlying the technology and learn how to use these principles in the development, production, and application of organic coatings. The four authors, all leading industry experts, offer a unique approach to the topic that correlates the empirical technology of coatings with the underlying science. This Third Edition has been completely revised and updated to reflect numerous changes in the field, including changes driven by increasing pressure to lower VOC emissions, reduce energy requirements, and eliminate potential health hazards from organic coatings components. In addition, the authors have developed new material to make the text more accessible for scientists and engineers first entering the field, as well as for students taking coatings courses. At the same time, the hallmarks that distinguished the two previous editions have been retained, including: Troubleshooting guidance for coatings scientists and technologists Clear differentiation between established principles and hypotheses requiring further research Precise definitions of coatings industry terminology Extensive references to the current literature Hundreds of figures that help readers visualize key concepts and techniques Whether you are just entering the field of organic coatings and need a broad overview or you are an experienced professional who needs a sophisticated reference, you can depend on Organic Coatings to give you the information and answers you need.

Organic Coatings

Author : Frank N. Jones
Publisher : John Wiley & Sons
ISBN 13 : 1119337216
Total Pages : 1305 pages
Book Rating : 4.1/5 (193 download)

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Book Synopsis Organic Coatings by : Frank N. Jones

Download or read book Organic Coatings written by Frank N. Jones and published by John Wiley & Sons. This book was released on 2017-08-29 with total page 1305 pages. Available in PDF, EPUB and Kindle. Book excerpt: The definitive guide to organic coatings, thoroughly revised and updated—now with coverage of a range of topics not covered in previous editions Organic Coatings: Science and Technology, Fourth Edition offers unparalleled coverageof organic coatings technology and its many applications. Written by three leading industry experts (including a new, internationally-recognized coatings scientist) it presents a systematic survey of the field, revises and updates the material from the previous edition, and features new or additional treatment of such topics as superhydrophobic, ice-phobic, antimicrobial, and self-healing coatings; sustainability, artist paints, and exterior architectural primers. making it even more relevant and useful for scientists and engineers in the field, as well as for students in coatings courses. The book incorporates up-to-date coverage of recent developments in the field with detailed discussions of the principles underlying the technology and their applications in the development, production, and uses of organic coatings. All chapters in this new edition have been updated to assure consistency and to enable extensive cross-referencing. The material presented is also applicable to the related areas of printing inks and adhesives, as well as areas within the plastics industry. This new edition Completely revises outdated chapters to ensure consistency and to enable extensive cross-referencing Correlates the empirical technology of coatings with the underlying science throughout Provides expert troubleshooting guidance for coatings scientists and technologists Features hundreds of illustrative figures and extensive references to the literature A new, internationally-recognized coatings scientist brings fresh perspective to the content. Providing a broad overview for beginners in the field of organic coatings and a handy reference for seasoned professionals, Organic Coatings: Science and Technology, Fourth Edition, gives you the information and answers you need, when you need them.

Enhancing Polymers Using Additives and Modifiers II

Author :
Publisher : iSmithers Rapra Publishing
ISBN 13 : 9781859570876
Total Pages : 64 pages
Book Rating : 4.5/5 (78 download)

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Book Synopsis Enhancing Polymers Using Additives and Modifiers II by :

Download or read book Enhancing Polymers Using Additives and Modifiers II written by and published by iSmithers Rapra Publishing. This book was released on 1996 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Characterising Flow Properties of Fine Powders

Author : Ezzat Chan
Publisher :
ISBN 13 :
Total Pages : 550 pages
Book Rating : 4.:/5 (969 download)

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Book Synopsis Characterising Flow Properties of Fine Powders by : Ezzat Chan

Download or read book Characterising Flow Properties of Fine Powders written by Ezzat Chan and published by . This book was released on 1997 with total page 550 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Surface Phenomena and Additives in Water-Based Coatings and Printing Technology

Author : Mahendra K. Sharma
Publisher : Springer Science & Business Media
ISBN 13 : 1489923616
Total Pages : 308 pages
Book Rating : 4.4/5 (899 download)

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Book Synopsis Surface Phenomena and Additives in Water-Based Coatings and Printing Technology by : Mahendra K. Sharma

Download or read book Surface Phenomena and Additives in Water-Based Coatings and Printing Technology written by Mahendra K. Sharma and published by Springer Science & Business Media. This book was released on 2013-11-11 with total page 308 pages. Available in PDF, EPUB and Kindle. Book excerpt: Water-based technology has undergone revolutionary changes during the past two decades. Interest in the properties and uses of water-based coatings, paints and inks has continued to grow since the establishment of the Clean Air Act of 1970. The present book is devoted to recent developments and trends in water-based coating and ink technology. This volume is divided in three broad catagories: (1) Additives and Water-based Coating/Ink Systems, (2) Surface Modifications and Wettability, and (3) Ink/Coating Formulations and Their characterization. The role of various additives to improve the performance and properties of water-based coatings with special reference to surface phenomena such as wettability, adhesion, surface energies, dispersion stability, particle size and size distribution are presented in these sections. This volume documents the proceedings of the International symposium on Surface Phenomena and Additives in Water-Based Coatings and Printing Technology sponsored by the 21st Annual Meeting of the Fine Particle Society (FPS). This meeting was held in San Diego, california, AUgust 21-25, 1990. The symposium upon which this volume is based was organized in four sessions emphasizing several basic and applied aspects of water-based coatings and printing technology. Major topics discussed include advances in water-based technology, water-based flexo and gravure inks, hydrophobically-modified cellulosic thickeners, organosilicones, uv curable silicone release coatings, surface characterization of Ti02 pigments, polymer substrates, flexographic plates and coating films, pigment wetting and dispersing agents, hydrotrope effect in emulsion polymers, film thickness control, particle size measurements, rheological properties, and statistically designed mixtures for ink formulations.

Wood Coatings

Author : Franco Bulian
Publisher : Elsevier
ISBN 13 : 008093160X
Total Pages : 335 pages
Book Rating : 4.0/5 (89 download)

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Book Synopsis Wood Coatings by : Franco Bulian

Download or read book Wood Coatings written by Franco Bulian and published by Elsevier. This book was released on 2009-06-02 with total page 335 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wood Coatings addresses the factors responsible for the performance of wood coatings in both domestic and industrial situations. The term 'wood coatings' covers a broad range of products including stains, varnishes, paints and supporting ancillary products that may be used indoors or outdoors. Techniques for coating wood go back many centuries but in recent decades there has been a move towards more environmentally-friendly materials, for example, the use of water-borne rather than solvent-borne chemicals. A major objective of Wood Coatings is to explain the underlying factors that influence selection, application and general operational issues. Basic information on the chemistry and technology of coatings is included for the benefit of students and laboratory technicians. Additionally, the book includes individual chapters of interest to architects, specifiers, and industrial users. Offers up-to-date guidance on current availability and usage of wood coatings Provides the reader with a basic understanding of both coating and substrate interactions Covers both architectural (trade and DIY) and industrial sectors

Multilayer Thin Films

Author : Sukumar Basu
Publisher : BoD – Books on Demand
ISBN 13 : 1789854377
Total Pages : 274 pages
Book Rating : 4.7/5 (898 download)

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Book Synopsis Multilayer Thin Films by : Sukumar Basu

Download or read book Multilayer Thin Films written by Sukumar Basu and published by BoD – Books on Demand. This book was released on 2020-01-15 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book, "Multilayer Thin Films-Versatile Applications for Materials Engineering", includes thirteen chapters related to the preparations, characterizations, and applications in the modern research of materials engineering. The evaluation of nanomaterials in the form of different shapes, sizes, and volumes needed for utilization in different kinds of gadgets and devices. Since the recently developed two-dimensional carbon materials are proving to be immensely important for new configurations in the miniature scale in the modern technology, it is imperative to innovate various atomic and molecular arrangements for the modifications of structural properties. Of late, graphene and graphene-related derivatives have been proven as the most versatile two-dimensional nanomaterials with superb mechanical, electrical, electronic, optical, and magnetic properties. To understand the in-depth technology, an effort has been made to explain the basics of nano dimensional materials. The importance of nano particles in various aspects of nano technology is clearly indicated. There is more than one chapter describing the use of nanomaterials as sensors. In this volume, an effort has been made to clarify the use of such materials from non-conductor to highly conducting species. It is expected that this book will be useful to the postgraduate and research students as this is a multidisciplinary subject.

Proceedings of the 20th International Conference on Fluidized Bed Combustion

Author : Guangxi Yue
Publisher : Springer Science & Business Media
ISBN 13 : 3642026826
Total Pages : 1186 pages
Book Rating : 4.6/5 (42 download)

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Book Synopsis Proceedings of the 20th International Conference on Fluidized Bed Combustion by : Guangxi Yue

Download or read book Proceedings of the 20th International Conference on Fluidized Bed Combustion written by Guangxi Yue and published by Springer Science & Business Media. This book was released on 2010-07-28 with total page 1186 pages. Available in PDF, EPUB and Kindle. Book excerpt: The proceedings of the 20th International Conference on Fluidized Bed Combustion (FBC) collect 9 plenary lectures and 175 peer-reviewed technical papers presented in the conference held in Xi'an China in May 18-21,2009. The conference was the 20th conference in a series, covering the latest fundamental research results, as well as the application experience from pilot plants, demonstrations and industrial units regarding to the FBC science and technology. It was co-hosted by Tsinghua University, Southeast University, Zhejiang University, China Electricity Council and Chinese Machinery Industry Federation. A particular feature of the proceedings is the balance between the papers submitted by experts from industry and the papers submitted by academic researchers, aiming to bring academic knowledge to application as well as to define new areas for research. The authors of the proceedings are the most active researchers, technology developers, experienced and representative facility operators and manufacturers. They presented the latest research results, state-of-the-art development and projects, and the useful experience. The proceedings are divided into following sections: • CFB Boiler Technology, Operation and Design • Fundamental Research on Fluidization and Fluidized Combustion • C02 Capture and Chemical Looping • Gasification • Modeling and Simulation on FBC Technology • Environments and Pollutant Control • Sustainable Fuels The proceedings can be served as idea references for researchers, engineers, academia and graduate students, plant operators, boiler manufacturers, component suppliers, and technical managers who work on FBC fundamental research, technology development and industrial application.

Polymers for Packaging and Containers in Food Industry

Author : Sukhareva
Publisher : CRC Press
ISBN 13 : 9004188207
Total Pages : 538 pages
Book Rating : 4.0/5 (41 download)

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Book Synopsis Polymers for Packaging and Containers in Food Industry by : Sukhareva

Download or read book Polymers for Packaging and Containers in Food Industry written by Sukhareva and published by CRC Press. This book was released on 2008-08-22 with total page 538 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book delineates the scientific principles of design and fabrication of packaging materials for food as well as methods for structural modification and other techniques. It describes the main practical properties and applications of polymer materials and highlights the analysis of all processes taking place during formations and destruction of