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Author: Clara D. Craver Publisher: Springer Science & Business Media ISBN: 1468419293 Category : Technology & Engineering Languages : en Pages : 278
Book Description
Physical and spectroscopic methods have been used jointly for characterization of polymers for at least four decades. Yet, new techniques permit increasingly refined determination of polymer chemistry and morphol ogy_ The correlation of this knowledge with physical properties of polymers is helpful to planned synthesis of new products. The most prominent spectroscopic techniques through the forties and fifties were infrared and ultraviolet spectroscopy. Nuclear magnetic resonance, electron spin resonance and MOssbauer spectroscopy started making sig nificant contributions to polymer chemistry in the early sixties. Still more recently fluorescence spectroscopy and laser Raman spectroscopy have become readily appli cable to polymers and are contributing significantly to the understanding of the relationship between polymer structure and properties. Determination of the distribution of monomer se quences by molecular size has become possible through combined gel permeation chromatography and spectroscopic analysis. Fragments of polymers from chemical break down or from pyrolysis are further fractionated and structurally analyzed. The relationship between the chemistry of polymers and performance can be determined from changes in chemical structure and orientation after curing, degradation, or physical or thermal manipulation of the polymers.
Author: Clara D. Craver Publisher: Springer Science & Business Media ISBN: 1468419293 Category : Technology & Engineering Languages : en Pages : 278
Book Description
Physical and spectroscopic methods have been used jointly for characterization of polymers for at least four decades. Yet, new techniques permit increasingly refined determination of polymer chemistry and morphol ogy_ The correlation of this knowledge with physical properties of polymers is helpful to planned synthesis of new products. The most prominent spectroscopic techniques through the forties and fifties were infrared and ultraviolet spectroscopy. Nuclear magnetic resonance, electron spin resonance and MOssbauer spectroscopy started making sig nificant contributions to polymer chemistry in the early sixties. Still more recently fluorescence spectroscopy and laser Raman spectroscopy have become readily appli cable to polymers and are contributing significantly to the understanding of the relationship between polymer structure and properties. Determination of the distribution of monomer se quences by molecular size has become possible through combined gel permeation chromatography and spectroscopic analysis. Fragments of polymers from chemical break down or from pyrolysis are further fractionated and structurally analyzed. The relationship between the chemistry of polymers and performance can be determined from changes in chemical structure and orientation after curing, degradation, or physical or thermal manipulation of the polymers.
Author: Symposium on Interdisciplinary Approaches to the Characterization of Polymers$ (1970 : Chicago) Publisher: ISBN: Category : Polymers Languages : en Pages : 279
Author: Howard G. Barth Publisher: John Wiley & Sons ISBN: 9780471828143 Category : Science Languages : en Pages : 582
Book Description
Presents the methods used for characterization of polymers. In addition to theory and basic principles, the instrumentation and apparatus necessary for methods used to study the kinetic and thermodynamic interactions of a polymer with its environment are covered in detail. Some of the methods examined include polymer separations and characterization by size exclusion and high performance chromatography, inverse gas chromatography, osmometry, viscometry, ultracentrifugation, light scattering and spectroscopy.
Author: Keshavamurthy, R. Publisher: IGI Global ISBN: 1668460114 Category : Technology & Engineering Languages : en Pages : 333
Book Description
Polymer composite materials are of prime importance and play a vital role in numerous applications. 3D printed polymer composites have been adopted by the aerospace, medical, and automobile industries. However, many challenges and opportunities for the development and application of 3D printed polymer composites have yet to be covered. Development, Properties, and Industrial Applications of 3D Printed Polymer Composites concentrates on cutting-edge technologies and materials as well as processing methods and industrial applications. It further discusses case studies, process issues, challenges, and more. Covering topics such as additive manufacturing, medical engineering, and fused deposition modeling, this premier reference source is essential for manufacturers, engineers, business leaders and executives, hospital administrators, students and faculty of higher education, librarians, researchers, and academicians.
Author: Alaa S. Abd-El-Aziz Publisher: John Wiley & Sons ISBN: 047008605X Category : Technology & Engineering Languages : en Pages : 545
Book Description
A detailed, up-to-date review of transition metal-containing polymers Promising advances in the electrical, optical, magnetic, biological, and catalytic properties that metal-containing polymers possess have led to notable expansion in the field of transition metal-containing polymers. Frontiers in Transition Metal-Containing Polymers provides a comprehensive, up-to-date review of the synthesis, properties, and applications of transition metal-containing polymers, including an overview of the historical development of these types of polymers. Written by the leading researchers in the field, this thorough volume covers the routes to organometallic and coordination polymers, as well as characterization and applications of transition metal-containing monomers and polymers. Other topics discussed include: Metallo-supramolecular coordination polymers based on nitrogen ligands Coordination polymers based on phosphorus ligands Polypeptide-based metallobiopolymers and DNA-based metallopolymers Metallodendrimers Self-assembly of metal-containing block copolymers Applications including drug delivery, optics, molecular devices, sensors, conductive materials, and more
Author: Ian Manners Publisher: John Wiley & Sons ISBN: 3527605088 Category : Technology & Engineering Languages : en Pages : 288
Book Description
The development of the field of synthetic metal-containing polymers - where metal atoms form an integral part of the main chain or side group structure of a polymer - aims to create new materials which combine the processability of organic polymers with the physical or chemical characteristics associated with the metallic element or complex. This book covers the major developments in the synthesis, properties, and applications of synthetic metal-containing macromolecules, and includes chapters on the preparation and characterization of metal-containing polymers, metallocene-based polymers, rigid-rod organometallic polymers, coordination polymers, polymers containing main group metals, and also covers dendritic and supramolecular systems. The book describes both polymeric materials with metals in the main chain or side group structure and covers the literature up to the end of 2002.
Author: John E. Sheats Publisher: Springer Science & Business Media ISBN: 1461594154 Category : Science Languages : en Pages : 521
Book Description
Research on metal-containing polymers began in the early 1960's when several workers found that vinyl ferrocene and other vinylic transition metal u -com plexes would undergo polymerization under the same conditions as conventional organic monomers to form high polymers which incorporated a potentially reactive metal as an integral part of the polymer structures. Some of these materials could act as semi-conducters and pos sessed one or two dimensional conductivity. Thus appli cations in electronics could be visualized immediately. Other workers found that reactions used to make simple metal chelates could be used to prepare polymers if the ligands were designed properly. As interest in homo geneous catalysts developed in the late 60's and early 70's, several investigators began binding homogeneous catalysts onto polymers, where the advantage of homo geneous catalysis - known reaction mechanisms and the advantage of heterogeneous catalysis - simplicity and ease of recovery of catalysts could both be obtained. Indeed the polymer matrix itself often enhanced the selectivity of the catalyst.
Author: Richard Kronenthal Publisher: Springer Science & Business Media ISBN: 1468477447 Category : Technology & Engineering Languages : en Pages : 336
Book Description
The past decade has witnessed a vigorous growth in activities toward the development of a variety of biomedical devices ranging from the simple A-V shunt to the complex artificial heart. Re search and development teams have been created comprising engi neers, material scientists and clinicians and, perhaps for the first time, such groups are collaboratively bringing their respec tive talents to bear on problems associated with defects in the human organism. These collaborations have resulted in a prolifera tion of new information and a rapid and continuing redefinition of the frontiers of progress. It was to keep pace with these changes, and provide an updated view of the state of the art that this meeting was conceived. The present volume marks the publication of the proceedings of the Johnson & Johnson Symposium held in Morristown, New Jersey, on July 11 and 12, 1974. It surveys the applications of polymers to medical and surgical problems and contains discus sions on the biocompatibility of polymers, polymers as biomate rials, and the use of polymers in prosthetic devices and drug re lease systems. In addition, the Symposium offers recent perspec tives on the critical problems of the material-tissue interface, the design criteria for silicone-based systems, and the varied use of polymers in artificial hearts, kidneys, eyes and lungs.
Author: Clara D. Craver
Author: Clara D. Craver
Author: Symposium on Interdisciplinary Approaches to the Characterization of Polymers$ (1970 : Chicago)
Author: Howard G. Barth
Author: Keshavamurthy, R.
Author: Naval Research Laboratory (U.S.)
Author: Alaa S. Abd-El-Aziz
Author: Ian Manners
Author: John E. Sheats
Author: Richard Kronenthal
Author: L.H. Lee