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Analysis Of The Structure And Properties Of High Crosslinked Polymer Networks
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Book Synopsis Analysis Of The Structure And Properties Of High-crosslinked Polymer Networks by : A. A. Askadskii
Download or read book Analysis Of The Structure And Properties Of High-crosslinked Polymer Networks written by A. A. Askadskii and published by CRC Press. This book was released on 1992 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Chemistry and Properties of Crosslinked Polymers by : Labana
Download or read book Chemistry and Properties of Crosslinked Polymers written by Labana and published by Elsevier. This book was released on 2012-12-02 with total page 596 pages. Available in PDF, EPUB and Kindle. Book excerpt: Chemistry and Properties of Crosslinked Polymers provides a description of the structure property relationship, chemistry, and methods of characterization of crosslinked polymers. The book presents papers that discuss experimental techniques to study polymer network structure; deduction of information on network structure from theoretical considerations; interpenetrating polymer networks; crosslinked polymers for high temperature applications; a novel class of polyurethanes; crosslinking agents; and the influence of crosslinking agents on thermal and mechanical properties. The text will be of value to materials scientists and engineers, chemists, and researchers in the field of polymer science.
Download or read book Polymer Networks written by A. Chompff and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 494 pages. Available in PDF, EPUB and Kindle. Book excerpt: For several decades, polymer science has sought to rationalize the mechanical and thermodynamic properties of polymer networks largely within the framework of statistical thermodynamics. Much of this effort has been directed toward the rubbery rather than the glassy state. It is generally assumed that networks possess an av erage composition to which average properties may be assigned; from such a continuum view, a powerful analysis of such properties as modulus, swelling, birefringence and thermoelasticity has emerged. In the years following the rise of polymer characterization (the late 40's and early 50's), many scientists began to study ap parent relations between the properties of linear polymer molecules and the networks obtainable therefrom. This search was also stimu lated by the wide range of applications of polymer networks in com mercial elastomers, thermosets and coatings. Frequently, these data were confidently matched with curves obtained from statisti cally describable models of networks of ghost chains, uniformly distributed in space. More recently, it has become apparent that polymer chains in networks are not as ideal as assumed in the formulation of statis tical models, and there has been a shift in emphasis towards the less than ideal, perturbed and possibly inhomogeneous networks which are more frequently encountered in practice. The continuum approach, however, had to be developed before inhomogeneous systems could be described; the present volume, therefore, contains both views.
Book Synopsis Structure and Properties of Crosslinked Polymers by : Gasan M Magomedov
Download or read book Structure and Properties of Crosslinked Polymers written by Gasan M Magomedov and published by Smithers Rapra. This book was released on 2011-03-23 with total page 502 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gives a fresh point of view on the curing processes, structure and properties of crosslinked polymers. The general view is that the structure and properties of crosslinked polymers are defined by their density, this book demonstrates that the parameters are defined by the supermolecular (a more precisely, supersegmental structure) of the crosslinked polymers.The quantitative relationships of the structures/properties are obtained for these polymers. Using an epoxy polymer as a nanofiller for a nanocomposite is discussed and a new class of polymer is proposed. The introduction of the nanofiller gives variation in the mechanical properties, degree of crystallinity, gas permeability and so on. The use of these crosslinked polymers as natural nanocomposites is proposed. Practical methods of crosslinked polymer's supersegmental structure regulation are considered, and all the changes that this gives their properties are detailed.This book will be of significance to all material scientists and students of material science.
Download or read book Polymer Networks written by A. Chompff and published by Springer. This book was released on 1971-08-01 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: For several decades, polymer science has sought to rationalize the mechanical and thermodynamic properties of polymer networks largely within the framework of statistical thermodynamics. Much of this effort has been directed toward the rubbery rather than the glassy state. It is generally assumed that networks possess an av erage composition to which average properties may be assigned; from such a continuum view, a powerful analysis of such properties as modulus, swelling, birefringence and thermoelasticity has emerged. In the years following the rise of polymer characterization (the late 40's and early 50's), many scientists began to study ap parent relations between the properties of linear polymer molecules and the networks obtainable therefrom. This search was also stimu lated by the wide range of applications of polymer networks in com mercial elastomers, thermosets and coatings. Frequently, these data were confidently matched with curves obtained from statisti cally describable models of networks of ghost chains, uniformly distributed in space. More recently, it has become apparent that polymer chains in networks are not as ideal as assumed in the formulation of statis tical models, and there has been a shift in emphasis towards the less than ideal, perturbed and possibly inhomogeneous networks which are more frequently encountered in practice. The continuum approach, however, had to be developed before inhomogeneous systems could be described; the present volume, therefore, contains both views.
Book Synopsis Cross-linked Polymers by : R. A. Dickie
Download or read book Cross-linked Polymers written by R. A. Dickie and published by . This book was released on 1988 with total page 512 pages. Available in PDF, EPUB and Kindle. Book excerpt: This new book presents the latest research results on cross-linked polymers from internationally recognized scientists. You'll learn why cross-linked polymers are superior in applications requiring resistance to high temperatures and high mechanical performance. You'll cover current topics in network theory, along with an explanation of the relationship between molecular architecture and macroscopic physical properties. Read about all the main points of cross-linked polymer systems including network modeling and structure, network formation and degradation, and network characterization.
Book Synopsis Polymer Networks by : American Chemical Society
Download or read book Polymer Networks written by American Chemical Society and published by . This book was released on 1971 with total page 507 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Polymer Networks written by and published by . This book was released on 1971 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Structures and Properties of Rubberlike Networks by : Burak Erman
Download or read book Structures and Properties of Rubberlike Networks written by Burak Erman and published by Oxford University Press. This book was released on 1997-07-24 with total page 385 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rubber elasticity is an important sub-field of polymer science. This book is in many ways a sequel to the authors' previous, more introductory book, Rubberlike Elasticity: A Molecular Primer (Wiley-Interscience, 1988), and will in some respects replace the now classic book by L.R.G. Treloar, The Physics of Rubber Elasticity (Oxford, 1975). The present book has much in common with its predecessor, in particular its strong emphasis on molecular concepts and theories. Similarly, only equilibrium properties are covered in any detail. Though this book treats much of the same subject matter, it is a more comprehensive, more up-to-date, and somewhat more sophisticated treatment.
Book Synopsis Polymer Networks: Structure and Mechanical Properties: Proceedings of the ACS Symposium on Highly Cross-Linked Polymer Networks, Held in Chicago, Illinois, September 14-15, 1970 by : A J. CHOMPFF
Download or read book Polymer Networks: Structure and Mechanical Properties: Proceedings of the ACS Symposium on Highly Cross-Linked Polymer Networks, Held in Chicago, Illinois, September 14-15, 1970 written by A J. CHOMPFF and published by . This book was released on 1971 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Polymer Networks written by R.F. Stepto and published by Springer. This book was released on 1997-12-31 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis A Rheological and Structural Study of Polymer Networks by : Marcel Willem Cornelis Petrus Franse
Download or read book A Rheological and Structural Study of Polymer Networks written by Marcel Willem Cornelis Petrus Franse and published by Delft University Press. This book was released on 2002 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt: Contents of this doctoral dissertation include: primary polymer molecules with a mondisperse distribution of the molecular weights, crosslinks of any functionality, primary polymer molecules with a disperse distribution of the molecular weights, the sol fraction, number and weight average degrees of polymerization, Schulz-Zimm distribution, fractions of ideal networks and dangling ends, molar masses between the crosslinks
Book Synopsis Injectable Hydrogels for 3D Bioprinting by : Insup Noh
Download or read book Injectable Hydrogels for 3D Bioprinting written by Insup Noh and published by Royal Society of Chemistry. This book was released on 2021-07-30 with total page 505 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hydrogels represent one of the cornerstones in tissue engineering and regenerative medicine, due to their biocompatibility and physiologically relevant properties. These inherent characteristics mean that they can be widely exploited as bioinks in 3D bioprinting for tissue engineering applications as well as injectable gels for cell therapy and drug delivery purposes. The research in these fields is booming and this book provides the reader with a terrific introduction to the burgeoning field of injectable hydrogel design, bioprinting and tissue engineering. Edited by three leaders in the field, users of this book will learn about different classes of hydrogels, properties and synthesis strategies to produce bioinks. A section devoted to the key processing and design challenges at the hydrogel/3D bioprinting/tissue interface is also covered. The final section of the book closes with pertinent clinical applications. Tightly edited, the reader will find this book to be a coherent resource to learn from. It will appeal to those working across biomaterials science, chemical and biomedical engineering, tissue engineering and regenerative medicine.
Book Synopsis Effect of Network Structure/Topology on Mechanical Properties of Crosslinked Polymers by : Majid Sharifi
Download or read book Effect of Network Structure/Topology on Mechanical Properties of Crosslinked Polymers written by Majid Sharifi and published by . This book was released on 2015 with total page 652 pages. Available in PDF, EPUB and Kindle. Book excerpt: The interest in epoxy thermosetting polymers is widespread (e.g. Boeing 787 Dreamliner, windmill blades, automobiles, coatings, adhesives, etc.), and a demand still exists for improving toughness of these materials without degrading advantageous properties such as strength, modulus, and Tg. This study introduces novel approaches for improving the intrinsic mechanical characteristics of these polymers. The designed synthetic techniques focus on developing polymer materials with the same overall compositions but varying in network topologies, with distinct topological features in the size range of 5-50 nm, measured by SAXS and SEM. It was found that without altering chemical structure, the network topology of a dense thermoset can be engineered such that, under mechanical deformation, nano-cavities open and dissipate energy before rupturing covalent bonds, producing a tougher material without sacrificing strength, modulus, and even glass transition temperature. Modified structures also revealed higher resistance to fracture than the corresponding control structures. The major fracture mechanism responsible for the increased energy dissipation was found to be nano-cavitation. SEM images from the fracture surfaces showed clear cavities on the modified samples whereas none were seen on the fracture surface of the control samples. Overall, it was demonstrated that network topology can be used to tailor thermal and mechanical properties of thermosetting polymers. The experimental methodologies in this dissertation can directly and economically be applied to design polymeric materials with improved properties for desired applications. Although topology-based toughening was investigated on epoxy-amine polymers, the concept can be extended to most thermoset chemistries and perhaps to other brittle network forming materials.
Book Synopsis Structure and Properties of Polymer Networks and Gels by : Nirupama Kenkare
Download or read book Structure and Properties of Polymer Networks and Gels written by Nirupama Kenkare and published by . This book was released on 1998 with total page 3 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Epoxy Adhesive Formulations by : Edward M. Petrie
Download or read book Epoxy Adhesive Formulations written by Edward M. Petrie and published by McGraw Hill Professional. This book was released on 2005-09-30 with total page 553 pages. Available in PDF, EPUB and Kindle. Book excerpt: Unmodified, epoxy resins cause certain problems for both the adhesive formulator and end-user. They are often rigid and brittle; hence, impact resistance and peel strength are poor. For decades, Chemist have been vigorously working to minimize these major shortcomings. Based on a popular course sponsored by the Society of Plastics Engineers and written by an authority in the field, this comprehensive text presents a variety of methods to accomplish what up to now has been a formidable task. Beginning with epoxy chemistry, moving on to fillers, filler treatments, and surfactants, and ending with current and future development in formulating Epoxy Adhesives, this rigorous text addressed the problem of improving flexibility, durability and strength by adding chemical groups to the epoxy structure either via the base resin or the curing agent or by adding separate flexibilizing resins to the formulation to create an epoxy-hybrid adhesive.
Book Synopsis Amphiphilic Polymer Co-networks by : Costas S Patrickios
Download or read book Amphiphilic Polymer Co-networks written by Costas S Patrickios and published by Royal Society of Chemistry. This book was released on 2020-04-23 with total page 347 pages. Available in PDF, EPUB and Kindle. Book excerpt: Amphiphilic polymer co-networks (APCNs) are a type of polymeric hydrogel, their hydrophobic polymer segments and hydrophilic components produce less aqueous swelling, giving better mechanical properties than conventional hydrogels. This new class of polymers is attracting increasing attention, resulting in further basic research on the system, as well as new applications. This book focuses on new developments in the field of APCNs, and is organised in four sections: synthesis, properties, applications and modelling. Co-network architectures included in the book chapters are mainly those deriving from hydrophobic macro-cross-linkers, representing the classical approach; however, more modern designs are also presented. Properties of interest discussed include aqueous swelling, thermophysical and mechanical properties, self-assembly, electrical actuation, and protein adsorption. Applications described in the book chapters include the use of co-networks as soft contact lenses, scaffolds for drug delivery and tissue engineering, matrices for heterogeneous biocatalysis, and membranes of controllable permeability. Finally, an important theory chapter on the modelling of the self-assembly of APCNs is also included. The book is suitable for graduate students and researchers interested in hydrogels, polymer networks, polymer chemistry, block copolymers, self-assembly and nanomaterials, as well as their applications in contact lenses, drug delivery, tissue engineering, membranes and biocatalysis.
