Download or read book Structure and Interactions of Polyelectrolyte Block Polymers in Solution written by Mark Crichton and published by . This book was released on 2005 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Block Copolymers in Solution written by Ian W. Hamley and published by John Wiley & Sons. This book was released on 2005-12-13 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt: This unique text discusses the solution self-assembly of block copolymers and covers all aspects from basic physical chemistry to applications in soft nanotechnology. Recent advances have enabled the preparation of new materials with novel self-assembling structures, functionality and responsiveness and there have also been concomitant advances in theory and modelling. The present text covers the principles of self-assembly in both dilute and concentrated solution, for example micellization and mesophase formation, etc., in chapters 2 and 3 respectively. Chapter 4 covers polyelectrolyte block copolymers - these materials are attracting significant attention from researchers and a solid basis for understanding their physical chemistry is emerging, and this is discussed. The next chapter discusses adsorption of block copolymers from solution at liquid and solid interfaces. The concluding chapter presents a discussion of selected applications, focussing on several important new concepts. The book is aimed at researchers in polymer science as well as industrial scientists involved in the polymer and coatings industries. It will also be of interest to scientists working in soft matter self-assembly and self-organizing polymers.
Download or read book Polyelectrolytes with Defined Molecular Architecture II written by Manfred Schmidt and published by Springer Science & Business Media. This book was released on 2004-02-20 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt: The two volumes 165 and 166 Polyelectrolytes with Defined Molecular Architecture summarize recent progress in the field. The subjects comprise novel polyelectrolyte architectures including planar, cylindrical and spherical polyelectrolyte brushes as well as micelle, complex and membrane formation. Some solution properties such as conformation of flexible polyions, osmotic coefficients and electrophoretic properties are addressed along with recent progress in analytical theory and simulation.
Download or read book Polyelectrolytes written by Masanori Hara and published by CRC Press. This book was released on 1992-11-12 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt: Aims to provide in-depth coverage of recent advances in all important areas of polyelectrolyte research and applications. Topics covered in this text include scaling theory, dynamic light scattering, neutron scattering, biopolymers and ionomers.
Download or read book Polyelectrolytes with Defined Molecular Architecture I written by Manfred Schmidt and published by Springer. This book was released on 2004-01-21 with total page 273 pages. Available in PDF, EPUB and Kindle. Book excerpt: Praise for Ed M.Schmidt's, Polyelectrolytes with Defined Molecular Architecture I POLYMERNEWS "All articles are well prepared and structured. Although not written as textbooks, general introductions of the chapters provide basic knowledge of the separate fields, methods and theoretical background. Therefore, the volumes can be recommended not only for specialists in the field. The books make an important contribution to polyelectrolyte research and application. I recommend the volumes to all scientists and engineers actively dealing with polyelectrolytes."
Download or read book Structure and Dynamics of Polymer Solutions written by Amit Sehgal and published by . This book was released on 2000 with total page 422 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Polyelectrolytes written by Visakh P. M. and published by Springer. This book was released on 2014-09-03 with total page 388 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book offers a valuable reference source to graduate and post graduate students, engineering students, research scholars polymer engineers from industry. The book provides the reader with current developments of theoretical models describing the thermodynamics polyelectrolytes as well as experimental findings. A particular emphasis is put on the rheological description of polyelectrolyte solutions and hydrogels.
Download or read book Supramolecular Polymers written by Alberto Ciferri and published by CRC Press. This book was released on 2000-05-04 with total page 678 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Focuses on detailed analysis of the formation and properties of linear, planar, and three-dimensional polymer assemblies stabilized by superamolecular interactions, includes examples of covalently bonded polymers exhibiting novel supra-molecular effects. Clarifies the theoretical basis for the self-assembly of structures."
Download or read book Physical Chemistry of Polyelectrolytes written by Tsetska Radeva and published by CRC Press. This book was released on 2001-02-21 with total page 936 pages. Available in PDF, EPUB and Kindle. Book excerpt: An examination of the fundamental nature of polyelectrolytes, static and dynamic properties of salt-free and salt-added solutions, and interactions with other charged and neutral species at interfaces with applications to industry and medicine. It applies the Metropolis Monte Carlo simulation to calculate counterion distributions, electric potentia
Download or read book Handbook of Polyelectrolytes and Their Applications Applications of polyelectrolytes and theoretical models written by Sukant K. Tripathy and published by . This book was released on 2002 with total page 378 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Polyampholytes written by Sarkyt E. Kudaibergenov and published by Springer Science & Business Media. This book was released on 2002-04-30 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book comprehensively reviews the synthesis, characterization and application aspects of linear and crosslinked synthetic polyampholytes - simple model of biopolymers - starting from the 1950's. The synthetic strategy of "annealed", "quenched" and "zwitterionic" polyampholytes, the properties of polyampholytes in solutions and in gel state are considered. The complexation ability of polyampholytes with respect to transition metal ions, ionic surfactants, dyes and organic probes polyelectrolytes, proteins and colloid particles is discussed. Stimuli-sensitive behavior of various amphoteric gel and membrane systems demonstrating rhythmically phenomenon similar to that of heart beat, deformation, oscillation or self-oscillation phenomena stimulated by temperature, pH and electric field are illustrated. Catalytic properties of synthetic polyampholytes simulating the function of enzymes are also considered.
Download or read book Polyelectrolytes with Defined Molecular Architecture I written by Manfred Schmidt and published by Springer Science & Business Media. This book was released on 2004-01-13 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt: Praise for Ed M.Schmidt's, Polyelectrolytes with Defined Molecular Architecture I POLYMERNEWS "All articles are well prepared and structured. Although not written as textbooks, general introductions of the chapters provide basic knowledge of the separate fields, methods and theoretical background. Therefore, the volumes can be recommended not only for specialists in the field. The books make an important contribution to polyelectrolyte research and application. I recommend the volumes to all scientists and engineers actively dealing with polyelectrolytes."
Download or read book Polyelectrolytes written by E. Sélégny and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 536 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains a number of articles inspired by the NATO Advanced Study Institute on 'Charged and Reactive Polymers l' held in France in June 1972. This general title indicates simply the intention of a series. The meeting dealt mainly with the fundamental problems of the physical chemistry of polyelectrolytes in solution. Some of the articles reproduce the lectures exactly as they were delivered. Some others have been modified to a greater or lesser extent, and this as a result of improvements or new inspiration arising from comments and discussions. In previous larger conferences on macromolecules, polyelectrolytes constituted only a marginal problem and few were the individual communications or short was the time al10tted to this subject. In other meetings of a biophysical character the uses of the techniques of charged macromolecules have been exposed with less attention given to the theories or to the creation or interpretation of these techniques. AU of us felt that the time had come to enumerate and to evaluate this increasing science of polyelectrolytes which has become of major interest. During the whole period of the Institute physical chemists discussed their mutual problems for more than a week, and of ten far into the night! One of the advantages of such an Institute is to enable the Directors and the mem bers of the Scientific Committee to establish a logical order in the lectures; this order has been respected in the present edition.
Download or read book Handbook of Polyelectrolytes and Their Applications Polyelectrolyte based multilayers self assemblies and nanostructures written by Sukant K. Tripathy and published by . This book was released on 2002 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Interactions Between Polyelectrolytes on a Surface in Aqueous Solutions and Nanocomposites written by Sandrine Lteif and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The interactions of charged polymers, polyelectrolytes, on surfaces and in solution have gained a lot of attention throughout the years. Depositing alternating layers of oppositely charged polyelectrolytes forms multilayers, PEMUs. Their association in solution leads to phase separations forming materials termed polyelectrolyte complexes, PECs. The repeat unit of the oppositely charged polyelectrolyte can be varied. The functional group linked to the repeat units dictates the strength of ion pairing. Their self-assembly in solution creates polymer nanoparticles and, in a network, produces polymer nanocomposites. These materials have been used for a variety of applications such as coatings, electronic devices, and drug delivery systems. Adding a certain salt concentration to the material can influence the polymer/polymer interaction within the complex. This work features three main interfaces at which polyelectrolyte interactions were studied: on a substrate through PEMUs, in solution through polymer nanoparticles and in nanocomposites. The pairing strength of a polythiouronium polyelectrolyte having a positively charged thiouronium group, like the guanidinium, was evaluated by the formation of PEMUs at various salt concentrations. Polyguanidiniums such as polyarginine are known to form like-charge ion pairings and hydrogen bonding. The same unusual characteristics cause the strong interactions of the polythiouronium with polyanions. High concentrations of salt dissociated the strong polythiouronium/polyanions complexes. The polythiouronium was selected to seek another example of a strong polycation and to form a PEMU with polyzwitterions, which are known for their weakly interacting strength and net-neutral charge. The second interface consists of the self-assembly of a polydimethylsiloxane (PDMS) with positively charged end groups in solution, and as a nanofiller, in a nanocomposite. Polydimethylsiloxane is biocompatible and highly hydrophobic; however, when self-assembled exhibits poor stability and tends to collapse. Introducing a glassy shell of polystyrene sulfonate enhances the stability of these polymer nanoparticles and improves the mechanical properties of the nanocomposite which exhibited thermal resistance. Using x-ray scattering and atomic force microscopy, the nanocomposite's unique morphology was deduced. Its hydrophobic properties were probed using a solvatochromic dye and were used to encapsulate inorganic nanoparticles. The gold nanoparticles are hydrophobically capped and they appeared to be encapsulated within the PDMS core. Their assembly was studied by x-ray scattering in the presence of a PSS shell in solution and the loading capability of the nanoparticle was determined by transmission electron microscopy (TEM). The newly formed material is a novel polymer nanoparticle/polymer nanocomposite that takes advantage of the PDMS malleability and biocompatibility. The nanoparticle can thus be used for biological applications such as bio-imaging and sensing. The last section compares the interactions of different polycations with lipid layers (monolayer or bilayer) to mimic the mechanism of surface sterilization. The functional group varied between a primary or tertiary ammonium, a guanidinium and two different thiouronium groups. Ammoniums are known for their ability to disrupt lipid bilayers and for their use in disinfectants. Polyarginine, a strong positively charged polymer, is recognized for its cell-penetrating ability due to its unique salt-bridge like interactions. Radioactive unilamellar phosphocholine vesicles were prepared and used to deposit a monolayer on a hydrophobic scintillator and a bilayer on a hydrophilic one. The interactions of the layers and the deposition were monitored by radiocounting. Polyarginine and the polymer with a higher composition of a hydrophobic thiouronium exhibited the strongest interactions. These investigations of the interactions between polyelectrolytes at different interfaces serve as a guide to design a variety of functional materials. Understanding the structure-property polymer relationship allows the build-up of materials with tuned properties.
Download or read book Handbook of Industrial Water Soluble Polymers written by Peter A. Williams and published by John Wiley & Sons. This book was released on 2008-04-15 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt: Natural and synthetic water soluble polymers are used in a wide range of familiar industrial and consumer products, including coatings and inks, papers, adhesives, cosmetics and personal care products. They perform a variety of functions without which these products would be significantly more expensive, less effective or both. Written for research, development and formulation chemists, technologists and engineers at graduate level and beyond in the fine and specialty chemicals, polymers, food and pharmaceutical industries, the Handbook of Industrial Water Soluble Polymers deals specifically with the functional properties of both natural and synthetic water soluble polymers. By taking a function based approach, rather than a “polymer specific” approach the book illustrates how polymer structure leads to effect, and shows how different polymer types can be employed to achieve appropriate product properties.
Download or read book Structure and Dynamics of Polymer and Colloidal Systems written by Redouane Borsali and published by Springer Science & Business Media. This book was released on 2002-03-31 with total page 496 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume is based on lectures given at the NATO-Advanced Study Institute on Structure and Dynamics of Polymer and Colloid Systems held in Les Houches, France from September 14-24, 1999. The meeting arose from a perceived need to bring together scientists studying the polymer and colloid fields. Although these fields are intertwined and share many techniques (e. g. , light, neutron and x-ray scattering), it is remarkable how little the approaches and concepts used by the one field penetrate the other. For instance, the theory of spherical colloids is very highly developed and many of the concepts developed for these systems can be extended to those with non-spherical morphology, such as solutions of rigid rod polymers. In addition, mixtures of polymers and colloids, both in the bulk and at interfaces, are the basis for many industrial products. Methods are now rapidly being developed for understanding the structure and dynamics in polymer/colloid mixtures at the molecular level, but the point of view of the colloid scientist is often rather different from that of the polymer scientist. The NATO-ASI brought together polymer and colloid scientists, including many young researchers, who presented and discussed recent developments in these fields and the possibilities for cross-fertilization This volume contains articles on a wide variety of topics at the research forefront of the polymer and colloid fields by some of the world's foremost experts at a level accessible to graduate students, post-docs and researchers.
