[PDF] Heterophase Network Polymers eBook

Author : Boris A Rozenberg
Publisher : CRC Press
Page : 252 pages
File Size : 16,87 MB
Release : 2020-02-03
Category : Technology & Engineering
ISBN : 1134453841

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This volume explains the theory and experimental investigations in the preparation of heterophase polymer network materials through cure reaction-induced microphase separation (CRIMPS). It describes the synthesis of a new family of block- and graft-copolymers with controlled solubility in epoxies and characterizes CRIMPS processes using novel applications of known methods such as nuclear magnetic resonance, electron spin resonance and photochemistry. The text develops a new method for characterizing the molecular mass distribution (MMD) of linear and network polymers using thermomechanical analysis data, as well as new methods for determining internal stresses and flaw formation during thermoset curing. The CRIMPS theory will be helpful for researchers and engineers designing and improving toughened plastics and other smart heterophase network materials for different applications. The new method for MMD characterization of polymers in bulk will be very useful to quickly analyze a polymer's MMD and to design new polymers. This book will provide a useful reference for graduates, researchers and working professionals in polymer chemistry and physics and materials science.

Author : Boris A Rozenberg
Publisher : CRC Press
Page : 340 pages
File Size : 35,87 MB
Release : 2019-07-17
Category : Technology & Engineering
ISBN : 9780203005491

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This volume explains the theory and experimental investigations in the preparation of heterophase polymer network materials through cure reaction-induced microphase separation (CRIMPS). It describes the synthesis of a new family of block- and graft-copolymers with controlled solubility in epoxies and characterizes CRIMPS processes using novel applications of known methods such as nuclear magnetic resonance, electron spin resonance and photochemistry. The text develops a new method for characterizing the molecular mass distribution (MMD) of linear and network polymers using thermomechanical analysis data, as well as new methods for determining internal stresses and flaw formation during thermoset curing. The CRIMPS theory will be helpful for researchers and engineers designing and improving toughened plastics and other smart heterophase network materials for different applications. The new method for MMD characterization of polymers in bulk will be very useful to quickly analyze a polymer's MMD and to design new polymers. This book will provide a useful reference for graduates, researchers and working professionals in polymer chemistry and physics and materials science.

Author : Hugo Hernandez
Publisher : CRC Press
Page : 328 pages
File Size : 35,28 MB
Release : 2021-04-04
Category : Science
ISBN : 1000245446

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Heterophase polymerization is a century-old technology with a wide range of relevant industrial applications, including coatings, adhesives, rubbers, and many other specialized biomedical and high-performance materials. However, due to its multiscale complexity, it still remains a challenging research topic. It is a broad field covering all heterogeneous polymerization processes that result in polymer dispersions. Its technical realizations comprise emulsion polymerization, dispersion polymerization, suspension polymerization, miniemulsion polymerization, microemulsion polymerization, and others. This book is devoted to the science and technology of heterophase polymerization, considering it a generic term as well as an umbrella expression for all of its technical realizations. It presents, from a modern perspective, the basic concepts and principles required to understand the kinetics and thermodynamics of heterophase polymerization at the atomistic, molecular, macromolecular, supramolecular, colloidal, microscopic, mesoscopic, and macroscopic scales. It critically discusses the important physicochemical mechanisms involved in heterophase polymerization, such as nucleation, particle aggregation, mass transfer, swelling, spontaneous emulsification, and polymerization kinetics, along with the experimental evidences at hand.

Author : Gajanan Bhat
Publisher : Woodhead Publishing
Page : 440 pages
File Size : 28,23 MB
Release : 2016-08-21
Category : Technology & Engineering
ISBN : 0081005512

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Structure and Properties of High-Performance Fibers explores the relationship between the structure and properties of a wide range of high-performance fibers. Part I covers high-performance inorganic fibers, including glasses and ceramics, plus carbon fibers of various types. In Part II, high-performance synthetic polymer fibers are discussed, while Part III reviews those natural fibers that can be used to create advanced textiles. The high-performance properties of these fibers are related to their chemistry and morphology, as well as the ways in which they are synthesized and spun. High-performance fibers form the basis of textile materials with applications in protection, medicine, and composite reinforcement. Fibers are selected for these technical applications due to their advanced physical, mechanical, and chemical properties. Offers up-to-date coverage of new and advanced materials for the fiber and textile industries Reviews structure-property relationships of high-performance inorganic, carbon, synthetic polymer, and natural fibers Includes contributions from an international team of authors edited by an expert in the field Reviews those natural fibers that can be used to create advanced textiles

Author : Mark F. Sonnenschein
Publisher : John Wiley & Sons
Page : 524 pages
File Size : 13,58 MB
Release : 2020-12-11
Category : Technology & Engineering
ISBN : 1119669472

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This book, cohesively written by an expert author with supreme breadth and depth of perspective on polyurethanes, provides a comprehensive overview of all aspects of the science and technology on one of the most commonly produced plastics. Covers the applications, manufacture, and markets for polyurethanes, and discusses analytical methods, reaction mechanisms, morphology, and synthetic routes Provides an up-to-date view of the current markets and trend analysis based on patent activity and updates chapters to include new research Includes two new chapters on PU recycling and PU hybrids, covering the opportunities and challenges in both

Author : Shlomo Magdassi
Publisher : World Scientific
Page : 354 pages
File Size : 48,28 MB
Release : 2009-07-31
Category : Science
ISBN : 9814470929

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Modern printing is based on digitizing information and then representing it on a substrate, such as paper, pixel by pixel. One of the most common methods of digital printing is through inkjet printers. The process of inkjet printing is very complicated, and the ink used must meet certain chemical and physicochemical requirements including those related to storage stability; jetting performance; color management; wetting; and adhesion on substrates. Obviously, these requirements — which represent different scientific disciplines such as colloid chemistry, chemical engineering, and physics — indicate the need for an interdisciplinary book that will cover all aspects of making and utilizing inkjet inks.This book provides basic and essential information on the important parameters which determine ink performance. It covers not only the conventional use of inkjet technology on graphic applications, but also the extension of this method to print various functional materials, such as the use of conductive inks to print light-emitting diodes (LEDs) and three-dimensional structures. Thus, the book will serve a large community: industrial chemists who deal with ink formulations and synthesis of chemicals for inks; chemical engineers and physicists who deal with the rheological and flow properties of inks; and researchers in academic institutes who seek to develop novel applications based on inkjet printing of new materials.

Author : G Davidson
Publisher : Royal Society of Chemistry
Page : 375 pages
File Size : 28,47 MB
Release : 2007-10-31
Category : Science
ISBN : 1847555241

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This series provides an unequalled source of information on an area of chemistry that continues to grow in importance. Divided into sections mainly according to the particular spectroscopic technique used, coverage in each volume includes: NMR (with reference to stereochemistry, dynamic systems, paramagnetic complexes, solid state NMR and Groups 13-18); nuclear quadrupole resonance spectroscopy; vibrational spectroscopy of main group and transition element compounds and coordinated ligands; and electron diffraction. Reflecting the growing volume of published work in the field, researchers will find this an invaluable source of information on current methods and applications. Volume 39 provides a critical review of the literature published up to late 2004.

Author : R.F. Stepto
Publisher : Springer
Page : 368 pages
File Size : 16,23 MB
Release : 1997-12-31
Category : Science
ISBN :

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Written by an international team of authors with a strong emphasis on the underlying chemistry, this book forms a timely, concise, and accessible evaluation of the fundamentals of polymer network formation, structure, and properties, and how these three aspects are interrelated.

Author : Antonio de la Hoz
Publisher : John Wiley & Sons
Page : 1354 pages
File Size : 46,6 MB
Release : 2013-02-26
Category : Science
ISBN : 3527651330

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The third edition of the bestselling two-volume reference covers everything you need to know about microwave technology for synthesis - from the best equipment to nonthermal effects, from solid-support reactions to catalysis. Completely revised and updated with half of the authors completely new to the project, this comprehensive work is clearly divided into two parts on the fundamentals of microwave irradiation, and application of microwaves and synergies with other enabling techniques. Also new to this edition are chapters on on-line monitoring, flow chemistry, combination with ultrasounds and natural products, including multicomponent reactions. An indispensable source for organic, catalytic, physical, and medicinal chemists.

Author : Daniel Klempner
Publisher : Springer Science & Business Media
Page : 486 pages
File Size : 49,30 MB
Release : 2012-12-06
Category : Technology & Engineering
ISBN : 1468408747

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Alloy is a term commonly associated with metals and implies a composite which may be sinqle phase (solid solution) or heterophase. Whichever the case, metallic alloys generally exist because they exhibit improved properties over the base metal. There are numer ous types of metallic alloys, including interstitial solid solutions, substitutional solid solutions, and multiphase combinations of these with intermetallic compounds, valency compounds, electron compounds, etc. A similar situation exists with polymers. There are numerous types of composites, or "alloys" of polymers in existence today with new ones being created continuously. Polyblends are simple physical mixtures of the constituent polymers with no covalent bonds occuring between them. As with metals, these may be homogeneous (single phase) solid solytions or heterogeneous (multiple phase) mixtures. With polymers, the latter case is by far the most prevalent situation due to the thermodynamic incompatibility of most polymers. This is due to the relatively small gain in entropy upon mixing the polymers due to contiguity restrictions imposed by their large chain length.