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Author : Edward Collins
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (184 download)
Download or read book Non-stationary State Kinetic Studies of Polymerization Reactions written by Edward Collins and published by . This book was released on 1956 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Yu.G. Medvedevskikh
Publisher : CRC Press
ISBN 13 : 9047414241
Total Pages : 328 pages
Book Rating : 4.0/5 (474 download)
Download or read book Stationary and Non-Stationary Kinetics of the Photoinitiated Polymerization written by Yu.G. Medvedevskikh and published by CRC Press. This book was released on 2004-08-31 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt: The main focus in this monograph is on models of the kinetics of photo-initiated polymerization of mono- and bi-functional monomers up to the high conversion stage, their derivation, analysis and comparison with the experimental data. This monograph can be useful for scientists, engineers, post-graduate training students and students who are interested in problems both of the polymerization kinetics and general chemical kinetics.
Author : Miloslav Kučera
Publisher :
ISBN 13 : 9780444416315
Total Pages : 0 pages
Book Rating : 4.4/5 (163 download)
Download or read book Mechanism and Kinetics of Addition Polymerizations written by Miloslav Kučera and published by . This book was released on 1992 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : M. Kucera
Publisher : Elsevier
ISBN 13 : 0080868258
Total Pages : 595 pages
Book Rating : 4.0/5 (88 download)
Download or read book Mechanism and Kinetics of Addition Polymerizations written by M. Kucera and published by Elsevier. This book was released on 1991-11-26 with total page 595 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume presents an up-to-date survey of knowledge concerning addition type polymerizations. It contains nine chapters, each of which covers a particular basic term. Whenever necessary, the phenomena are discussed from the viewpoint of both stationary and non-stationary state of radical, ionic (i.e. anionic and cationic) and coordination polymerization. Special attention has been paid to the propagation process. It provides not only a general overview but also information on important special cases (theoretical conditions of propagation, influence of external factors, controlled propagation, copolymerization, mechanism of various propagation types, etc.). The book is arranged according to the basic steps in chain reactions, which is a novel approach in a monograph on this topic. It facilitates the identification of common features of various polymerization types which may appear quite different. This useful, comprehensive text should prove invaluable to all those involved in the field of macromolecular chemistry. It will also be of interest to all chemists who, beside the profound study of their own field, are looking for interdisciplinary liaison points.
Author : Matatiahu Gehatia
Publisher :
ISBN 13 :
Total Pages : 30 pages
Book Rating : 4.:/5 (227 download)
Download or read book Stationary State Criterion for Free Radical Polymerization for Linearly Increasing Reaction Temperature written by Matatiahu Gehatia and published by . This book was released on 1965 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: The kinetics of free radical polymerization were treated theoretically under the assumption that the reaction temperature increases at constant rate (T = const). From The Arrhenius relationships for the kinetic rate constants, approximate corresponding functions of time were derived, which transformed the kinetic equations accordingly. A differential equation describing the sum of the concentrations of all free radicals appearing in such a system was solved by approximation, and from the resulting series the conditions for the lower as well as the upper bound of the stationary state assumptions were obtained.
Author : R.G. Compton
Publisher : Elsevier
ISBN 13 : 0444412522
Total Pages : 676 pages
Book Rating : 4.4/5 (444 download)
Download or read book Non-Radical Polymerisation written by R.G. Compton and published by Elsevier. This book was released on 1976-01-15 with total page 676 pages. Available in PDF, EPUB and Kindle. Book excerpt: Anionic polymerization of olefins / S. Bywater -- Kinetics of homogeneous cationic polymerization / A. Ledwith, D.C. Sherrington -- Kinetics of polymerization initiated by Ziegler-Natta and related catalysts / W. Cooper -- Polymerization of cyclic ethers and sulphides / P. Dreyfuss, M.P. Dreyfuss -- Kinetics of aldehyde polymerization / Otto Vogl -- Lactams / J. Šebenda -- The kinetics of polycondensation reactions / J.H. Saunders, F. Dobinson -- The polymerization of N-carboxy-[alpha]-amino acid anhydrides / C.H. Bamford, H. Block.
Author : Wayne F. Reed
Publisher : John Wiley & Sons
ISBN 13 : 0470917385
Total Pages : 493 pages
Book Rating : 4.4/5 (79 download)
Download or read book Monitoring Polymerization Reactions written by Wayne F. Reed and published by John Wiley & Sons. This book was released on 2014-01-21 with total page 493 pages. Available in PDF, EPUB and Kindle. Book excerpt: Offers new strategies to optimize polymer reactions With contributions from leading macromolecular scientists and engineers, this book provides a practical guide to polymerization monitoring. It enables laboratory researchers to optimize polymer reactions by providing them with a better understanding of the underlying reaction kinetics and mechanisms. Moreover, it opens the door to improved industrial-scale reactions, including enhanced product quality and reduced harmful emissions. Monitoring Polymerization Reactions begins with a review of the basic elements of polymer reactions and their kinetics, including an overview of stimuli-responsive polymers. Next, it explains why certain polymer and reaction characteristics need to be monitored. The book then explores a variety of practical topics, including: Principles and applications of important polymer characterization tools, such as light scattering, gel permeation chromatography, calorimetry, rheology, and spectroscopy Automatic continuous online monitoring of polymerization (ACOMP) reactions, a flexible platform that enables characterization tools to be employed simultaneously during reactions in order to obtain a complete record of multiple reaction features Modeling of polymerization reactions and numerical approaches Applications that optimize the manufacture of industrially important polymers Throughout the book, the authors provide step-by-step strategies for implementation. In addition, ample use of case studies helps readers understand the benefits of various monitoring strategies and approaches, enabling them to choose the best one to match their needs. As new stimuli-responsive and "intelligent" polymers continue to be developed, the ability to monitor reactions will become increasingly important. With this book as their guide, polymer scientists and engineers can take full advantage of the latest monitoring strategies to optimize reactions in both the lab and the manufacturing plant.
Author : Morteza Vaghefi
Publisher : CRC Press
ISBN 13 : 1420027603
Total Pages : 408 pages
Book Rating : 4.4/5 (2 download)
Download or read book Nucleoside Triphosphates and their Analogs written by Morteza Vaghefi and published by CRC Press. This book was released on 2016-04-19 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt: While adenosine triphosphate (ATP) is described as the universal currency of energy in all living organisms at the cellular level, the actual power lies in its phosphate tail. This book is the first dedicated to the field of nucleoside triphosphate (NTP). Its 13 chapters encompass the contributions of twenty scientists from both academia and industry. It provides collective information on the chemical, physiochemical, and biological properties of both natural and modified NTP and their application in life sciences. Three chapters review families of enzymes that depend on nucleotides for assembling DNA and RNA molecules. The appendix includes supporting NMR data.
Author : A. Ravve
Publisher : Springer Science & Business Media
ISBN 13 : 1461542278
Total Pages : 640 pages
Book Rating : 4.4/5 (615 download)
Download or read book Principles of Polymer Chemistry written by A. Ravve and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 640 pages. Available in PDF, EPUB and Kindle. Book excerpt: Principles of Polymer Chemistry, Second Edition was written for advanced undergraduate and graduate students in polymer chemistry, along with practicing chemists who need a reference guide. Many important events have taken place since the First Edition was published in 1995, and they are updated here. For example, sections have been included on controlled/living free radical polymerization, and sections on metathesis type polymerization and metallocene catalysts were expanded. The book was also expanded to include discussions of thermodynamics of elasticity, thermodynamics of polymeric solutions, and rheology and viscoelasticity. A chapter on degradation of polymers was also added.
Author : George Butler
Publisher : CRC Press
ISBN 13 : 1000147959
Total Pages : 576 pages
Book Rating : 4.0/5 (1 download)
Download or read book Cyclopolymerization and Cyclocopolymerization written by George Butler and published by CRC Press. This book was released on 2020-12-18 with total page 576 pages. Available in PDF, EPUB and Kindle. Book excerpt: This broadly-based work gathers the vast bulk of information published on cyclopolymerization since its discovery - including the symmetrical diene counterparts of all classical monomers that can undergo addition polymerization, all unsymmetrical dienes, and cyclopolymerizable monomers such as dialdehydes, diynes, diisocyanates, diepoxides, dinitriles, and some organometallic monomers.;Providing access to contemporary knowledge in the field and offering discussions of interest to a wide variety of polymer scientists, Cyclopolymerization and Cyclocopolymerization: delineates theory; summarizes polymerization procedures; furnishes theoretical justification for mechanistic proposals; details commercial applications; and describes new monomer syntheses. Supplying over 2700 references as well as chemical abstract citations, Cyclopolymerization and Cyclocopolymerization is a resource which should be of practical value to polymer, academic, theoretical and industrial chemists; chemical and plastics engineers; research and development directors in chemistry and chemical engineering programmes; and graduate-level students in these disciplines
Author : Pascal Hesse
Publisher : Cuvillier Verlag
ISBN 13 : 3736926820
Total Pages : 326 pages
Book Rating : 4.7/5 (369 download)
Download or read book Radical Polymerization Kinetics in Aqueos Solution and in Systems with Secondary and Tertiary Radicals Studied by Novel Pulsed- Laser Techniques written by Pascal Hesse and published by Cuvillier Verlag. This book was released on 2008-08-08 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract Rate coefficients of propagation, kp, of termination, kt, and of intramolecular transfer-to-polymer, kbb, have been studied via pulsed-laser polymerization (PLP) methods for systems with strong intermolecular interactions, such as hydrogen bonds, and for polymerizations with two types of distinctly different radicals being present. The propagation kinetics of methacrylic acid (MAA) and N-vinyl pyrrolidone (NVP) in aqueous solution has been investigated by the PLP-SEC technique which combines PLP-initiation with subsequent analysis of the produced polymer by size-exclusion chromatography. The experimental conditions of monomer concentration, temperature, pressure and degree of monomer ionization have been varied in wide ranges. The dependence of kp on monomer-to-polymer conversion has been determined from PLP-SEC experiments with pre-mixed polymer. The variation of kp may be adequately explained by the interaction of solvent and monomer molecules with the transition state structure for propagation. The termination rate coefficients of MAA and NVP have been studied by the SP PLP NIR method in which the change in monomer concentration after single pulse (SP) initiation is monitored via s time-resolved near infrared spectroscopy (NIR). The variations of kt with conversion for different initial monomer concentrations reflect the diffusion-controlled character of the termination step with kt being governed by segmental, translational, and reaction diffusion. In acrylate polymerization backbiting reactions may occur by which chain-end secondary propagating radicals (SPR) are transformed into tertiary midchain radicals (MCR) via 1,5-hydrogen shift. MCRs can react back to SPRs by monomer addition. The basic kinetic scheme has to be extended for additional reactions steps, as SPR and MCR species show widely different kp and kt, respectively. The impact of MCR formation on the applicability of the experimental techniques for kp and kt determination, i.e. PLP-SEC and SP-PLP-NIR, was investigated by PREDICI simulations. A novel experimental method has been developed by which kbb and the rate coefficient for monomer addition to the MCR, kpt, for butyl acrylate (BA) have been determined from PLP-SEC experiments carried out under extended variation of laser pulse repetition rates. Insights into the kinetics, especially of the termination reactivity of secondary and tertiary acrylate radicals, have been obtained by measurements of full electron spin resonance (ESR) spectra under stationary UV and pseudo-stationary PLP initiation, respectively, or by time-resolved monitoring of SPR and MCR concentrations after application of a laser single pulse (SP-PLP-ESR). By the latter technique also chain-length-dependent individual kt values are accessible. For acrylic acid (AA) polymerization in aqueous solution, the complexities associated with strong solvent effects on the rate coefficients and with the pronounced MCR build-up add to each other. Attempts were made to consider the resulting consequences for the kinetic data of AA polymerization in aqueous solution published so far.
Author : J.P. Fouassier
Publisher : iSmithers Rapra Publishing
ISBN 13 : 9781859571309
Total Pages : 160 pages
Book Rating : 4.5/5 (713 download)
Download or read book Photoinitiated Polymerisation written by J.P. Fouassier and published by iSmithers Rapra Publishing. This book was released on 1998 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report contains a review of the state of the art in photoinitiated polymerisation. The review is divided into two main parts. The first part is devoted to a basic description of the different photoinitiation processes encountered. In the second part photopolymerisation reactions are presented and discussed. This review is published together with an indexed section containing bibliographic references and abstracts to the cited articles.
Author : C. H. Bamford
Publisher :
ISBN 13 :
Total Pages : 616 pages
Book Rating : 4.3/5 (91 download)
Download or read book Comprehensive Chemical Kinetics: Polymerisation reactions. v. 14. Degradation of polymers written by C. H. Bamford and published by . This book was released on 1976 with total page 616 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Shadia Jamil Ikhmayies
Publisher : Springer Nature
ISBN 13 : 3031621867
Total Pages : 346 pages
Book Rating : 4.0/5 (316 download)
Download or read book Advanced Polymers written by Shadia Jamil Ikhmayies and published by Springer Nature. This book was released on with total page 346 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Elena Ceausescu
Publisher : Elsevier
ISBN 13 : 1483154742
Total Pages : 295 pages
Book Rating : 4.4/5 (831 download)
Download or read book Stereospecific Polymerization of Isoprene written by Elena Ceausescu and published by Elsevier. This book was released on 2013-10-22 with total page 295 pages. Available in PDF, EPUB and Kindle. Book excerpt: Stereospecific Polymerization of Isoprene, a doctoral dissertation by Dr. Elena Ceausescu, is a study of the synthesis of cis-l, 4-polyisoprene rubber, an elastomer of synthetic rubber whose structure and properties are similar to that of natural rubber. This elastomer is primarily used in the manufacture of tires, belts, hoses, matting, flooring, dampeners, and other synthetic rubber goods. The book is organized into two parts. Part I, the Ph.D. thesis, focuses on the explanation and exposition of the polymerization reaction; properties of the polymer; and certain theoretical aspects related to the polymer’s reaction mechanism and kinetics. Part II presents data derived from an extensive variety of experiments and tests intended to serve as a basis for the industrial production of cis-l, 4-polyisoprene rubber. The text will be an interesting book for materials engineers, industrial engineers, chemists, and science students engaged in the study of polymers.
Author :
Publisher : Newnes
ISBN 13 : 0080878628
Total Pages : 7752 pages
Book Rating : 4.0/5 (88 download)
Download or read book Polymer Science: A Comprehensive Reference written by and published by Newnes. This book was released on 2012-12-05 with total page 7752 pages. Available in PDF, EPUB and Kindle. Book excerpt: The progress in polymer science is revealed in the chapters of Polymer Science: A Comprehensive Reference, Ten Volume Set. In Volume 1, this is reflected in the improved understanding of the properties of polymers in solution, in bulk and in confined situations such as in thin films. Volume 2 addresses new characterization techniques, such as high resolution optical microscopy, scanning probe microscopy and other procedures for surface and interface characterization. Volume 3 presents the great progress achieved in precise synthetic polymerization techniques for vinyl monomers to control macromolecular architecture: the development of metallocene and post-metallocene catalysis for olefin polymerization, new ionic polymerization procedures, and atom transfer radical polymerization, nitroxide mediated polymerization, and reversible addition-fragmentation chain transfer systems as the most often used controlled/living radical polymerization methods. Volume 4 is devoted to kinetics, mechanisms and applications of ring opening polymerization of heterocyclic monomers and cycloolefins (ROMP), as well as to various less common polymerization techniques. Polycondensation and non-chain polymerizations, including dendrimer synthesis and various "click" procedures, are covered in Volume 5. Volume 6 focuses on several aspects of controlled macromolecular architectures and soft nano-objects including hybrids and bioconjugates. Many of the achievements would have not been possible without new characterization techniques like AFM that allowed direct imaging of single molecules and nano-objects with a precision available only recently. An entirely new aspect in polymer science is based on the combination of bottom-up methods such as polymer synthesis and molecularly programmed self-assembly with top-down structuring such as lithography and surface templating, as presented in Volume 7. It encompasses polymer and nanoparticle assembly in bulk and under confined conditions or influenced by an external field, including thin films, inorganic-organic hybrids, or nanofibers. Volume 8 expands these concepts focusing on applications in advanced technologies, e.g. in electronic industry and centers on combination with top down approach and functional properties like conductivity. Another type of functionality that is of rapidly increasing importance in polymer science is introduced in volume 9. It deals with various aspects of polymers in biology and medicine, including the response of living cells and tissue to the contact with biofunctional particles and surfaces. The last volume is devoted to the scope and potential provided by environmentally benign and green polymers, as well as energy-related polymers. They discuss new technologies needed for a sustainable economy in our world of limited resources. Provides broad and in-depth coverage of all aspects of polymer science from synthesis/polymerization, properties, and characterization methods and techniques to nanostructures, sustainability and energy, and biomedical uses of polymers Provides a definitive source for those entering or researching in this area by integrating the multidisciplinary aspects of the science into one unique, up-to-date reference work Electronic version has complete cross-referencing and multi-media components Volume editors are world experts in their field (including a Nobel Prize winner)
Author : Broja Mohan Mandal
Publisher : World Scientific
ISBN 13 : 9814322466
Total Pages : 468 pages
Book Rating : 4.8/5 (143 download)
Download or read book Fundamentals of Polymerization written by Broja Mohan Mandal and published by World Scientific. This book was released on 2013 with total page 468 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over the last twenty years, the field of the chemistry of polymerization witnessed enormous growth through the development of new concepts, catalysts, processes etc. Examples are: non classical living polymerizations (group transfer polymerization, living carbocationic polymerization, living radical polymerization and living ring-opening metathesis polymerization (ROMP)); new catalysts (metallocenes and late transition metal catalysts for stereospecific polymerization, Schrock and Grubbs catalyst for ROMP among others) and new processes such as miniemulsion, microemulsion polymerization and dispersion polymerization (in polar solvents). Apart from the developments in the chemistry of polymerization, methods have been developed for the evaluation of highly reliable rate constants of propagation in radical as well as cationic polymerization. All these have revolutionized the field of synthetic polymer chemistry. In the book, fundamentals of both the new and old polymerization chemistry have been dealt with. The new chemistry has been given nearly equal space along with the old.
