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Polyimides And Other High Temperature Polymers Synthesis Characterization And Applications Volume 2

Author : Kash L. Mittal
ISBN : 9789047403302
Genre : Science
File Size : 35. 93 MB
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This volume documents the proceedings of the Second International Symposium on Polyimides and Other High Temperature Polymers: Synthesis, Characterization and Applications, held in Newark, New Jersey, December 3-6, 2001. Polyimides possess many desirable attributes, so this class of materials has found applications in many technologies ranging from

New Methods Of Polymer Synthesis

Author : J.R. Ebdon
ISBN : 9789401106078
Genre : Technology & Engineering
File Size : 80. 35 MB
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Few polymer chemists have much familiarity with recent developments in the synthesis of speciality polymers. This volume provides up-to-date reviews of areas of current interest and is directed at polymer chemists in the academic world and industry.

Inorganic Syntheses

Author :
ISBN : 9780470132654
Genre : Science
File Size : 41. 1 MB
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The volumes in this continuing series provide a compilation of current techniques and ideas in inorganic synthetic chemistry. Includes inorganic polymer syntheses and preparation of important inorganic solids, syntheses used in the development of pharmacologically active inorganic compounds, small-molecule coordination complexes, and related compounds. Also contains valuable information on transition organometallic compounds including species with metal-metal cluster molecules. All syntheses presented here have been tested.

Photoinitiators For Polymer Synthesis

Author : Jean-Pierre Fouassier
ISBN : 9783527648269
Genre : Science
File Size : 37. 42 MB
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Photoinitiating systems for polymerization reactions are largely encountered in a variety of traditional and high-tech sectors, such as radiation curing, (laser) imaging, (micro)electronics, optics, and medicine. This book extensively covers radical and nonradical photoinitiating systems and is divided into four parts: * Basic principles in photopolymerization reactions * Radical photoinitiating systems * Nonradical photoinitiating systems * Reactivity of the photoinitiating system The four parts present the basic concepts of photopolymerization reactions, review all of the available photoinitiating systems and deliver a thorough description of the encountered mechanisms. A large amount of experimental and theoretical data has been collected herein. This book allows the reader to gain a clear understanding by providing a general discussion of the photochemistry and chemistry involved. The most recent and exciting developments, as well as the promising prospects for new applications, are outlined.

Polymer Syntheses

Author : Stanley R. Sandler
ISBN : 9780080925554
Genre : Science
File Size : 36. 66 MB
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This revised and updated Second Edition of Polymer Synthesis II continues in the tradition of Volume I in presenting detailed laboratory instructions for the preparation of various polymers. Each chapter is organized by functional groups, and each chapter not only presents preparative methods, but also includes a brief introductory summary, reviews of the very latest journal articles and patents, and safety hazards and precautions. Procedures have been chosen on the basis of safety considerations and ease of being carried out with standard laboratory equipment. This comprehensive treatment of each polymer group makes Polymer Synthesis II an indispensable guide for industrial and academic chemists as well as for students in the field. Key Features * This revised edition: * Covers each polymer class, heavily referencing these with patent literature to illustrate commercial applications * Provides new and updated information for each functional group, including: * Curing agents for epoxy resins * Polymerization of vinyl ethers and copolymers * Polyvinyl silfides * Polymerization of vinyl pyrrolidone and copolymers * Features expanded data tables and updated references * Presents numerous citations to new catalysts for each polymer preparation involving ureas * Includes a new section--Complex Formulation--involving the preparation of polyacrylic acid and its copolymers * Contains many new preparations, including: * Preparation of t-butyl acrylate copolymers using the Teyssie Method * Template polymerization of vinylimidazole on polymethacrylic acid * Polymerization of aqueous acrylic acid using AIBN * Preparation of polyketals by transketalization * Copolymerization of maleic anhydride with ethyl vinyl ether * Complex and template polymerizations

Developments In Ionic Polymers 2

Author : A.D. Wilson
ISBN : 9789400941878
Genre : Technology & Engineering
File Size : 59. 88 MB
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Ionic polymers, like elephants, are easier to recognise than to define. Several methods of classification have been attempted but none is wholly satisfactory because of the extreme diversity of ionic polymers, which range from the organic, water-soluble polyelectrolytes, through hydrogels and ionomer carboxylate rubbers, to the almost infusible inorganic silicate minerals. For this reason, a general classification is not only difficult, but has minimal utility. However, there are some characteristics of these materials that should be highlighted. The role of counterions is the significant one. These ions, either singly or as clusters, take part in the formation of ionic bonds which have a varying structural role. Often they act as crosslinks, but in the halato-polymers the ionic bonds form an integral part of the polymer backbone itself. Conversely, in polymers contain ing covalent crosslinks, such as the ion-exchange resins, the coun terions have virtually no structural role to play, since they dwell in cage-like structures without affecting the crosslinking, and are readily exchanged. They are, perhaps, best described as ion-containing polymers rather than structural ionic polymers. Another crucial factor is the role of water in ionic polymers. The presence of ionic bonds means that there is a tendency for these materials to interact with water. Where the ionic polymer contains a high proportion of ionic units, it acts as a hydrogel and may be highly soluble. Such interactions with water decrease sharply as the ionic content is reduced, though even then water can act as a plasticiser.

Principles Of Polymer Systems Sixth Edition

Author : Ferdinand Rodriguez
ISBN : 9781482223781
Genre : Science
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Maintaining a balance between depth and breadth, the Sixth Edition of Principles of Polymer Systems continues to present an integrated approach to polymer science and engineering. A classic text in the field, the new edition offers a comprehensive exploration of polymers at a level geared toward upper-level undergraduates and beginning graduate students. Revisions to the sixth edition include: A more detailed discussion of crystallization kinetics, strain-induced crystallization, block copolymers, liquid crystal polymers, and gels New, powerful radical polymerization methods Additional polymerization process flow sheets and discussion of the polymerization of polystyrene and poly(vinyl chloride) New discussions on the elongational viscosity of polymers and coarse-grained bead-spring molecular and tube models Updated information on models and experimental results of rubber elasticity Expanded sections on fracture of glassy and semicrystalline polymers New sections on fracture of elastomers, diffusion in polymers, and membrane formation New coverage of polymers from renewable resources New section on X-ray methods and dielectric relaxation All chapters have been updated and out-of-date material removed. The text contains more theoretical background for some of the fundamental concepts pertaining to polymer structure and behavior, while also providing an up-to-date discussion of the latest developments in polymerization systems. Example problems in the text help students through step-by-step solutions and nearly 300 end-of-chapter problems, many new to this edition, reinforce the concepts presented.

Fluoroplastics Volume 2 Melt Processible Fluoroplastics

Author : Sina Ebnesajjad
ISBN : 9780815517283
Genre : Technology & Engineering
File Size : 89. 40 MB
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This is the second of a two volume series of books about fluoroplastics. Volume 1 covers the non-melt processible homopolymers, requiring non-traditional processing techniques. Volume 2 is devoted to the melt-processible fluoropolymers, their polymerization and fabrication techniques including injection molding, wire, tube, and film extrusion, rotational molding, blow molding, compression molding, and transfer molding. Both a source of data and a reference, the properties, characteristics, applications, safety, disposal, and recycling of melt-processible fluoropolymers are comprehensively detailed for immediate use by today's practicing engineering and scientists in the plastics industry. Students will benefit from the book's arrangement and extensive references.

Polymers

Author : Adisa Azapagic
ISBN : 0471877409
Genre : Science
File Size : 85. 59 MB
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* Timely information on the environmental impact of polymer recycling. * Ample sample questions and answers in chapters. * Provides material on the economics and legislation of recycling, and on LCA. * Examines the advantages and disadvantages of polymer recycling.

Nanostructured Polymer Blends

Author : Gity Mir Mohamad Sadeghi
ISBN : 9780128090848
Genre : Technology & Engineering
File Size : 21. 39 MB
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Block copolymers (BCPs) consist of two or more chemically different polymers connected covalently, and are polymer alloys. Due to their thermodynamic incompatibility and chain connectivity, the phase separation between two (or more) blocks occurs only in a tens of nanometers range. Nanostructures are based on block copolymer self-assembly. They are functional nanomaterials less than 100nm in size and have received extensive scientific and technological attention due to their potential applications in electronic, biomedical, and optical materials. This chapter examines a variety of different synthetic strategies for preparation of linear diblock copolymers by anionic polymerization. Triblocks can be synthesized according to an appropriate synthetic pathway, depending on the monomers used and their sequence in the triblock chain. Nonlinear block copolymers including star block copolymers, graft copolymers, miktoarm star copolymers, cyclic block copolymers, and other complex architectures are explained. Microphase separation drives BCPs to self-assemble, resulting in ordered nanostructures, including spheres, cylinders, gyroids, and lamellae, depending on the composition of the BCP. In nanotechnology, self-assembly (SA) underlies various types of molecular structures built from nanoparticles, nanotubes, or nanorods. Supramolecular structures generated from amphiphilic block copolymers are characterized by a slow rate of intermicellar chain exchange which makes them interesting for a variety of applications. Basic principles of self-assembly and micellization of block copolymers in dilute solution, methods for stabilization of the macromolecular aggregates, are discussed. Stabilized nanoparticles, the so-called “smart materials,” which show responses to environmental changes (pH, temperature, ionic strength, etc.), are presented with a focus on their applications.

Telechelic Polymers Synthesis And Applications

Author : Eric J. Goethals
ISBN : 9781351093996
Genre : Science
File Size : 21. 57 MB
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This first-of-its-kind publication reviews the most impor-tant literature on the synthesis, properties, and applications of telechelic polymers. Written by a group of internationally known ex-perts in the field, this text contains a review table which allows the reader to search for given polymers with given end groups. Over 1,250 references are listed, covering primary and review articles as well as patents. Chapters include the preparation of telechelics by stepwise polymerization, anionic polymerization, radical polymer-ization, cationic polymerization, ring-opening polymerization and controlled polymer degradation. Polyols for the polyurethane pro-duction are described, as well as halato-telechelic polymers. Also, a more theoretical contribution on the physical properties of net-works formed from telechelic polymers is provided.

Organic Chemistry

Author : Pierre Vogel
ISBN : 9783527345328
Genre : Science
File Size : 73. 94 MB
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The know-how about reactivity, reaction mechanisms, thermodynamics and other basics in physical organic chemistry is the key for successful organic reactions. This textbook presents comprehensively this knowledge to the student and to the researcher, too. Includes Q&As.

Molecularly Imprinted Polymers

Author : B. Sellergren
ISBN : 0080536808
Genre : Technology & Engineering
File Size : 45. 59 MB
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This book is divided into 5 sections starting with an historic perspective and fundamental aspects on the synthesis and recognition by imprinted polymers. The second section contains 8 up-to-date overview chapters on current approaches to molecular and ion imprinting. This is followed by two chapters on new material morphologies and in the last two sections various analytical applications of imprinted polymers are given, with the last four chapters devoted to the promising field of imprinted polymers in chemical sensors. The authors of this volume have widely different backgrounds; mainly polymer chemistry, organic chemistry, biochemistry and analytical chemistry, which means that this book has an interdisciplinary character and should appeal to a broad audience.

New Monomers And Polymers

Author : Charles U. Pittman
ISBN : 9781468446197
Genre : Science
File Size : 55. 43 MB
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Interest in preparing new polymers peaked about 1966. Since that time, industrial and government support for the synthesis and study of new polymers has steadily declined. Gone are the good days when government funds supported a great push to attain ulti mate thermal stability for organic polymeric materials. Gone are the good days when many chemical companies, encouraged by the obvious potential for rewards, had great interest and provided support for preparing new polymers. We now often hear managers say "we have enough polymers" or "all we need to do is find additional and better ways to use existing polymers. " The latter often in cludes the statement, "we can get the new materials that are wanted from polymer alloys or blends. " Interest in preparing new monomers has also waned, even though it is well recognized that monomers with special functionality are greatly needed to fine-tune existing polymers for specific tasks. Shrinkage of interest in new monomer and polymer research has not come about solely as a result of the obvious maturity of the polymers industry. Since uses for polymers continue to grow and there is still room for good concepts to study, lack of market growth and fields of study have probably not significantly contribu ted to that shrinkage.

Polymer Synthesis

Author : Stanley R. Sandler
ISBN : UVA:X004051296
Genre : Science
File Size : 70. 59 MB
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This volume, which completes the Second Edition of this widely respected three-volume set, continues the tradition of providing detailed and concise laboratory instructions for the preparation of organic and inorganic polymers. Updates are provided on the preparation of various types of polymers including olefin-sulfur dioxide copolymers, polythioesters, sulfide polymers, polyisocyanates, polyoxyalkylhydroxy compounds, polyvinyl carbazole, polyvinyl acetate, polyallyl esters, and polyvinyl flouride. The procedures were chosen on the basis of safety and to be representative of preparation methods for a general class of polymers. Fundamental and practical information on polymer synthesis is combined with extensive references and reviews of the patent literature. Completes the Second Edition of three-volume set Brings together useful preparative methods for polymers and resins Organized by functional group Includes new polymerization methods

Macromolecules

Author : H.G. Elias
ISBN : 9781489928092
Genre : Science
File Size : 52. 45 MB
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The second edition of this textbook is identical with its fourth German edi tion and it thus has the same goals: precise definition of basic phenomena, a broad survey of the whole field, integrated representation of chemistry, physics, and technology, and a balanced treatment of facts and comprehen sion. The book thus intends to bridge the gap between the often oversimpli fied introductory textbooks and the highly specialized texts and monographs that cover only parts of macromolecular science. The text intends to survey the whole field of macromolecular science. Its organization results from the following considerations. The chemical structure of macromolecular compounds should be inde pendent of the method of synthesis, at least in the ideal case. Part I is thus concerned with the chemical and physical structure of polymers. Properties depend on structure. Solution properties are thus discussed in Part II, solid state properties in Part III. There are other reasons for dis cussing properties before synthesis: For example, it is difficult to understand equilibrium polymerization without knowledge of solution thermodynamics, the gel effect without knowledge of the glass transition temperature, etc. Part IV treats the principles of macromolecular syntheses and reactions.

Polymer Syntheses

Author : Stanley R. Sandler
ISBN : UOM:39015026876105
Genre : Science
File Size : 81. 53 MB
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This revised and updated Second Edition of Polymer Synthesis II continues in the tradition of Volume I in presenting detailed laboratory instructions for the preparation of various polymers. Each chapter is organized by functional groups, and each chapter not only presents preparative methods, but also includes a brief introductory summary, reviews of the very latest journal articles and patents, and safety hazards and precautions. Procedures have been chosen on the basis of safety considerations and ease of being carried out with standard laboratory equipment. This comprehensive treatment of each polymer group makes Polymer Synthesis II an indispensable guide for industrial and academic chemists as well as for students in the field. Covers each polymer class, heavily referencing these with patent literature to illustrate commercial applications Provides new and updated information for each functional group Contains many new preparations, including

Journal Of Polymer Science

Author :
ISBN : CHI:15939574
Genre : Polymerization
File Size : 38. 48 MB
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Pericyclic Reactions

Author : Alan P. Marchand
ISBN : UCLA:L0064013816
Genre : Chemical reactions
File Size : 80. 25 MB
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Seymour Carraher S Polymer Chemistry

Author : Raymond Benedict Seymour
ISBN : UCSD:31822028113611
Genre : Science
File Size : 23. 52 MB
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An introduction to the synthetic, natural, organometallic and inorganic polymers - integrating scientific principles with modern applications. This fifth edition is based on the American Chemical Society's Committee on Professional Training guidelines with an enhanced section on biologically essential macromolecules and the biological flow of information. An Exam Question booklet is available to instructors.

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