Multinuclear Nmr Of Ionomers And Polymer Blends

Author : Ellen Margaret O'Connell
Publisher : Unknown
Page : 586 pages
File Size : 44,6 Mb
Release : 1995
Category : Electronic
ISBN : WISC:89052514221

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Multinuclear NMR of Ionomers and Polymer Blends by Ellen Margaret O'Connell Pdf

Many factors are known to affect the morphology and properties of ionomers, and the role that the cation local environment plays is not well understood. To better understand ionomer morphology, the cation environment in sulfonated and carboxylated ionomers was investigated using 23Na NMR. As many as three environments were seen in polydisperse sulfonated polystyrene (NaSPS): isolated sodium ions at 7 ppm, hydrated ions at 0 ppm, and aggregated ions at -12 to -23 ppm. In monodisperse NaSPS, a fourth peak at -2.7 ppm appeared at ionization levels above 1.2% and molecular weights of at least 35,000. The fraction of sodium ions held in isolated ion pairs decreased to zero while the fraction of ionic species in aggregates increased with increasing sulfonation. As the neutralization level increased, the aggregate peak shifted to higher frequency with incorporation of neutralizing NaOH. These peak positions and trends are explainable in terms of the magnetic and electric field properties of each Na+ environment.

Author : Frank A. Bovey,Peter A. Mirau
Publisher : Academic Press
Page : 471 pages
File Size : 51,6 Mb
Release : 1996-11-19
Category : Science
ISBN : 9780080537580

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NMR of Polymers by Frank A. Bovey,Peter A. Mirau Pdf

NMR has made important contributions to our understanding of structure–property relationships in polymers. This book provides an up-to-date and comprehensive overview of the fundamentals of NMR, with applications of multidimensional NMR and the new solution and solid-state methods in polymer science. NMR of Polymers is written by leading authorities for graduate students and professionals in academia and industry. Provides comprehensive overview of NMR in Polymer Science Covers multidimensional NMR Includes new solution and solid state methods Addresses chain conformation and dynamics

Author : L.J. Mathias
Publisher : Springer Science & Business Media
Page : 406 pages
File Size : 50,6 Mb
Release : 2013-06-29
Category : Technology & Engineering
ISBN : 9781489924742

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Solid State NMR of Polymers by L.J. Mathias Pdf

The chapters in this collection are from papers which were presented at a symposium on solid-state NMR of polymers. A two-part program on available NMR techniques applicable to solid polymer analysis was presented at the 3rd Chemical Congress of North American held in Toronto, Ontario, June 5-10,1988. The program was sponsored by the Division of Polymer Chemistry with support provided by the Division, its Industrial Sponsors, and the Donors of the Petroleum Research Fund administered by the American Chemical Society. Co-organizers included Professor Colin Fyfe of the University of British Columbia (Vancouver, Canada), Professor Hans Spiess of the Max Planck Institut fur Polymerforschung (Mainz, West Germany), and myself. The full-day tutorial, which was free to registered attendees, covered the range of topics. The purpose of the tutorial was to provide a basic introduction to the field so that newcomers to its present and future applications could develop sufficient understanding to learn effectively from the subsequent symposium. The first talk attempted to give listeners a feel for the way a novice spectroscopist can learn to use the various NMR techniques to explore his own areas of interest. Simple experiments can provide unique information about solid polymers that can be useful in interpreting synthetic results and in relating solid-state conformation, morphology and molecular motion to physical properties.

Author : Anita J. Brandolini,Deborah D. Hills
Publisher : CRC Press
Page : 656 pages
File Size : 52,5 Mb
Release : 2000-05-12
Category : Technology & Engineering
ISBN : 0824789709

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NMR Spectra of Polymers and Polymer Additives by Anita J. Brandolini,Deborah D. Hills Pdf

"Compiles nearly 400 fully assigned NMR spectra of approximately 300 polymers and polymer additives, representing all major clases of materials: polyolefins, styrenics, acrylates, methacrylates, vinyl polymers, elastomers, polyethers, polyesters, polymides, silicones, cellulosics, polyurethanes, plasticizers, and antioxidants."

Author : H.N. Cheng
Publisher : iSmithers Rapra Publishing
Page : 168 pages
File Size : 42,9 Mb
Release : 2001
Category : Science
ISBN : 1859572480

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Structural Studies of Polymers by Solution Nmr by H.N. Cheng Pdf

Solution-state NMR spectroscopy is generally regarded as the premier technique to characterise polymer structure. This report provides a timely review of the developments in the NMR of polymers in solution in the past few years. An additional indexed section containing several hundred abstracts from the Polymer Library gives useful references for further reading.

Author : J. Mason
Publisher : Springer Science & Business Media
Page : 672 pages
File Size : 40,6 Mb
Release : 1987-08-31
Category : Science
ISBN : 0306421534

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Multinuclear NMR by J. Mason Pdf

With the power and range of modern pulse spectrometers the compass of NMR spec troscopy is now very large for a single book-but we have undertaken this. Our book covers the Periodic Table as multinuclear spectrometers do, and introductory chapters are devoted to the essentials of the NMR experiment and its products. Primary products are chemical shifts (including anisotropies), spin-spin coupling constants, and relaxation times; the ultimate product is a knowledge of content and constitution, dynamic as well as static. Our province is chemical and biochemical rather than physical or technical; only passing reference is made to metallic solids or unstable species, or to practical NMR spectroscopy. Our aim is depth as well as breadth, to explain the fundamental processes, whether of nuclear magnetic shielding, spin-spin coupling, relaxation, or the multiple pulse sequences that have allowed the development of high-resolution studies of solids, multidimensional NMR spectroscopy, techniques for sensitivity enhancement, and so on. This book therefore combines the functions of advanced textbook and reference book. For reasonably comprehensive coverage in a single volume we have sum marized the information in tables and charts, and included all leading references.

Author : Mark Alger
Publisher : Springer
Page : 1008 pages
File Size : 40,9 Mb
Release : 2017-06-19
Category : Technology & Engineering
ISBN : 9789402408935

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Polymer Science Dictionary by Mark Alger Pdf

The 3rd edition of this important dictionary offers more than 12,000 entries with expanded encyclopaedic-style definitions making this major reference work invaluable to practitioners, researchers and students working in the area of polymer science and technology. This new edition now includes entries on computer simulation and modeling, surface and interfacial properties and their characterization, functional and smart polymers. New and controlled architectures of polymers, especially dendrimers and controlled radical polymerization are also covered.

Author : C. Brevard,Pierre Granger
Publisher : John Wiley & Sons
Page : 264 pages
File Size : 53,7 Mb
Release : 1981
Category : Science
ISBN : UOM:39015016086491

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Handbook of High Resolution Multinuclear NMR by C. Brevard,Pierre Granger Pdf

Author : G A Webb
Publisher : Royal Society of Chemistry
Page : 628 pages
File Size : 49,8 Mb
Release : 2007-10-31
Category : Science
ISBN : 9781847553829

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Nuclear Magnetic Resonance by G A Webb Pdf

As a spectroscopic method, Nuclear Magnetic Resonance (NMR) has seen spectacular growth over the past two decades, both as a technique and in its applications. Today the applications of NMR span a wide range of scientific disciplines, from physics to biology to medicine. Each volume of Nuclear Magnetic Resonance comprises a combination of annual and biennial reports which together provide comprehensive of the literature on this topic. This Specialist Periodical Report reflects the growing volume of published work involving NMR techniques and applications, in particular NMR of natural macromolecules which is covered in two reports: "NMR of Proteins and Acids" and "NMR of Carbohydrates, Lipids and Membranes". For those wanting to become rapidly acquainted with specific areas of NMR, this title provides unrivalled scope of coverage. Seasoned practitioners of NMR will find this an in valuable source of current methods and applications. Specialist Periodical Reports provide systematic and detailed review coverage in major areas of chemical research. Compiled by teams of leading authorities in the relevant subject areas, the series creates a unique service for the active research chemist, with regular, in-depth accounts of progress in particular fields of chemistry. Subject coverage within different volumes of a given title is similar and publication is on an annual or biennial basis.

Author : Anonim
Publisher : Unknown
Page : 896 pages
File Size : 55,5 Mb
Release : 1995
Category : Dissertation abstracts
ISBN : UOM:39015086908210

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American Doctoral Dissertations by Anonim Pdf

Author : H.N. Cheng,Tetsuo Asakura,Alan English
Publisher : OUP USA
Page : 0 pages
File Size : 50,8 Mb
Release : 2012-04-19
Category : Science
ISBN : 0841226679

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NMR Spectroscopy of Polymers by H.N. Cheng,Tetsuo Asakura,Alan English Pdf

Includes review and papers on the latest advances by acknowledged leaders and active researchers in nuclear magnetic resonance (NMR) spectroscopy

Author : J.C.J. Bart
Publisher : IOS Press
Page : 824 pages
File Size : 55,6 Mb
Release : 2006-03-15
Category : Science
ISBN : 9781607501220

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Plastics Additives by J.C.J. Bart Pdf

"Cover-to-cover reading of Plastics Additives, Advanced Industrial Analysis, is recommended for both professional analysts and plastics technologists. Professor Bart’s prose style is easy to read. A professional background in analytical chemistry is not assumed. Particularly valuable is the trove of good advice as to which approach might be best in a given situation. Every department with a serious interest in additive / property relations should invest in a copy.” -- PMAD Newsletter. This industrially relevant and up-to-date resource deals with all established and emerging analytical methods for in-polymer additive analysis of plastics formulations. Quality assurance and industrial troubleshooting all benefit from direct analysis modes. Plastics Additives comprises detailed coverage of solid-state spectroscopy, thermal analysis and pyrolysis, laser techniques, surface studies and microanalysis along with process analytics, quantitative analysis and modern method development and validation applied to additives in polymers. The book is organised for quick and easy reference and is extensively illustrated with over 200 figures, 300 flow diagrams and tables to facilitate rapid understanding of this topic, and it contains 4000 references. Emphasis is on understanding (principles and characteristics) and industrial applicability.

Author : Anonim
Publisher : Unknown
Page : 760 pages
File Size : 53,9 Mb
Release : 1977
Category : Polymerization
ISBN : UCLA:L0072481682

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Contemporary Topics in Polymer Science by Anonim Pdf

Author : American Chemical Society. Meeting
Publisher : Unknown
Page : 976 pages
File Size : 44,6 Mb
Release : 1990
Category : Chemistry
ISBN : UCAL:$B441866

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Abstracts of Papers by American Chemical Society. Meeting Pdf

Author : Anonim
Publisher : Unknown
Page : 154 pages
File Size : 53,8 Mb
Release : 2004
Category : Nuclear magnetic resonance
ISBN : STANFORD:36105123188604

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45th ENC by Anonim Pdf