Download or read book Molecular Weights of Macromolecules from Viscosity Measurements written by J. P. Burger and published by . This book was released on 1964 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt: The intrinsic viscosities of a group of macromolecules (polysiloxanes) have been determined in benzene solution, and a relationship between these values and the viscosity-average weights has been established with the use of the Mark-Houwink equation.
Download or read book The Accurate Determination of Molecular Weights of Macromolecules written by Donald McIntyre and published by . This book was released on 1959 with total page 18 pages. Available in PDF, EPUB and Kindle. Book excerpt: For the past two years work has been in progress at the National Bureau of Standards to determine accurately the molecular weights of macromolecules through the measurement of dilute solution properties. This may at first seem like an easy task, although those acquainted with the details of the necessary measurements and their interpretation know that it is not (1).2 Difficulties are caused by the problems that usually arise when measurements are made on an absolute basis rather than on a relative basis, and from complexities of macromolecular interactions, even in very dilute solutions. Molecular weight determinations, however, are not the only physicochemical measurements on high polymeric materials that give difficulties; density measurements also demand considerably more care and patience than do similar measurements on low molecular weight compounds. Precise measurements of densities have revealed anomalies, the resolution of which has led to a much better understanding of the molecular properties of crystallinity and viscoelasticity of high polymeric materials. Likewise, improved precision in measurements of solution properties has given us much additional information on properties such as size and shape of the molecules, and distribution of molecular weights.
Download or read book Macromolecules written by Hans-Georg Elias and published by Springer Science & Business Media. This book was released on 2013-06-29 with total page 1228 pages. Available in PDF, EPUB and Kindle. Book excerpt: Like so many of its kind, this textbook originated from the requirements of teaching. While lecturing on macromolecular science as a required subject for chemists and materials scientists on the undergraduate, graduate, and postgraduate levels at Swiss Federal Institute of Technology at Zurich (1960-1971), I needed a one-volume textbook which treated the whole field of macromolecular science, from its chemistry and physics to its applications, in a not too elementary manner. This textbook thus intends to bridge the gap between the often oversimplified introductory books and the highly specialized texts and monographs that cover only parts of macromolecular science. This first English edition is based on the third German edition (1975), which is about 40% different from the first German edition (1971), a result of rapid progress in macromolecular science and the less rapid education of the writer. This 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 independent of the method of synthesis, at least in the ideal case. Part I is thus concerned with the chemical and physical structure of macro molecules. Properties depend on structure. Solution properties are thus discussed in Part II, solid state properties in Part III. There are other reasons for discussing properties before syntheses: For example, it is difficult to under stand equilibrium polymerization without knowledge of solution thermody of the glass temperature, etc.
Download or read book Polymer Molecular Weights written by Philip E. Slade and published by . This book was released on 1975 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Determination of Molecular Weights of High Polymers written by Jên-yüan Chʻien and published by . This book was released on 1963 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Science of Polymer Molecules written by Richard H. Boyd and published by Cambridge University Press. This book was released on 1993 with total page 436 pages. Available in PDF, EPUB and Kindle. Book excerpt: An introduction concerning the synthesis, structure and properties of the individual molecules constituting polymeric materials.
Download or read book Macromolecules written by F Bovey and published by Elsevier. This book was released on 2012-12-02 with total page 566 pages. Available in PDF, EPUB and Kindle. Book excerpt: Macromolecules is an introductory book about macromolecules, specifically about the fundamental aspects of macromolecules, such as their nature, the ways they are formed, and their behavior. This book also focuses on the basics of macromolecules, which includes history, composition, and properties. The topics covered in this book include polymerization kinetics, chemical reactions, and degradation of macromolecules. This book also discusses biological molecules, including naturally occurring materials, synthetic macromolecules, and model compounds. Students majoring in chemistry or other related fields, such as materials engineering, will find this book very useful.
Download or read book Physical Properties of Macromolecules written by Laurence A. Belfiore and published by John Wiley & Sons. This book was released on 2010-10-19 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt: Explains and analyzes polymer physical chemistry research methods and experimental data Taking a fresh approach to polymer physical chemistry, Physical Properties of Macromolecules integrates the two foundations of physical polymer science, theory and practice. It provides the tools to understand polymer science concepts and research methods, while also instructing how to analyze experimental data. Drawing on the author's own extensive research in physical properties of polymers as well as more traditional topics, this text offers detailed analysis of numerous problems in polymer science, including laboratory data and research results. Topics include: Solid-state dynamics of polymeric materials Glass transitions in amorphous polymers Semicrystalline polymers and melting transitions Viscoelastic behavior Relaxation processes Macromolecule-metal complexes Mechanical properties of linear and crosslinked polymers Filled with detailed graphs to help explain important quantitative trends, Physical Properties of Macromolecules teaches by example, ensuring comprehension of the subject as well as the methodology to implement theory, problem-solving techniques, and research results in practical situations. This resource serves as the ideal companion for government laboratories, industrial research scientists, engineers, and professionals in polymer science fields who are interested in fully grasping all aspects of physical polymer science.
Download or read book Advanced Physical Chemistry written by Mehra Harish C and published by Krishna Prakashan Media. This book was released on 1978 with total page 1484 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Determination of Molecular Weights of High Polymers written by Renyuan Qian and published by . This book was released on 1963 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Physical Chemistry of Macromolecules written by S. F. Sun and published by John Wiley & Sons. This book was released on 2004-01-28 with total page 590 pages. Available in PDF, EPUB and Kindle. Book excerpt: Integrating coverage of polymers and biological macromolecules into a single text, Physical Chemistry of Macromolecules is carefully structured to provide a clear and consistent resource for beginners and professionals alike. The basic knowledge of both biophysical and physical polymer chemistry is covered, along with important terms, basic structural properties and relationships. This book includes end of chapter problems and references, and also: Enables users to improve basic knowledge of biophysical chemistry and physical polymer chemistry. Explores fully the principles of macromolecular chemistry, methods for determining molecular weight and configuration of molecules, the structure of macromolecules, and their separations.
Download or read book Determination of DNA Molecular Weight by Measurement of Visco elasticity written by Brian Charles Bowen and published by . This book was released on 1977 with total page 282 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Physical Chemistry of Macromolecules written by Gary Patterson and published by CRC Press. This book was released on 2007-03-09 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt: Written by a chemical physicist specializing in macromolecular physics, this book brings to life the definitive work of celebrated scientists who combined multidisciplinary perspectives to pioneer the field of polymer science. The author relates firsthand the unique environment that fostered the experimental breakthroughs underlying some of today's
Download or read book Red Blood Cell Aggregation written by Oguz Baskurt and published by CRC Press. This book was released on 2011-09-28 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt: Red blood cells in humans—and most other mammals—have a tendency to form aggregates with a characteristic face-to-face morphology, similar to a stack of coins. Known as rouleaux, these aggregates are a normally occurring phenomenon and have a major impact on blood rheology. What is the underlying mechanism that produces this pattern? Does this really happen in blood circulation? And do these rouleaux formations have a useful function? The first book to offer a comprehensive review of the subject, Red Blood Cell Aggregation tackles these and other questions related to red blood cell (RBC) aggregates. The book covers basic, clinical, and physiological aspects of this important biophysical phenomenon and integrates these areas with concepts in bioengineering. It brings together state-of-the-art research on the determinants, mechanisms, and measurement and effects of RBC aggregation as well as on variations and comparative aspects. After an introductory overview, the book outlines factors and conditions that affect RBC aggregation. It presents the two hypotheses—the bridging model and the depletion model—that provide potential mechanisms for the adhesive forces that lead to the regular packing of the cells in rouleaux formations. The book also reviews the methods used to quantify RBC aggregation in vitro, focusing on their importance in clinical practice. Chapters discuss the effect of RBC aggregation on the in vitro rheology of blood as well as on tube flow. The book also looks at what happens in the circulation when red blood cells aggregate and examines variations due to physiological and pathophysiological challenges. The concluding chapter explores the formation of red blood cell aggregates in other mammals. Written by leading researchers in the field, this is an invaluable resource for basic science, medical, and clinical researchers; graduate students; and clinicians interested in mammalian red blood cells.
Download or read book Physical Chemistry for the Biosciences written by Raymond Chang and published by University Science Books. This book was released on 2005-02-11 with total page 706 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is ideal for use in a one-semester introductory course in physical chemistry for students of life sciences. The author's aim is to emphasize the understanding of physical concepts rather than focus on precise mathematical development or on actual experimental details. Subsequently, only basic skills of differential and integral calculus are required for understanding the equations. The end-of-chapter problems have both physiochemical and biological applications.
Download or read book Ultracentrifugation of Macromolecules written by J. W. Williams and published by Elsevier. This book was released on 2013-10-22 with total page 137 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ultracentrifugation of Macromolecules: Modern Topics covers the theoretical description of the problem of sedimentation equilibrium of polydisperse nonideal solutions. The book discusses the sedimentation equilibrium in polydisperse nonideal solutions and the size distribution analysis by ultracentrifugal methods. The text also describes the simultaneous sedimentation and equilibrium in beta-lactoglobulin B, chymotrypsinogen A, and lysozyme solutions; as well as the sedimentation analysis of a multiple myeloma ?G-globulin. People involved in physical biochemistry will find the book invaluable.
Download or read book Sorption and Orientation Properties of Macromolecules written by John W. Rowen and published by . This book was released on 1955 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt:
