Dielectric Relaxation In Polymers At Low Temperatures

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Low Temperature Properties Of Polymers

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Author : I. Perepechko
language : en
Publisher: Elsevier
Release Date : 2013-10-22

Low Temperature Properties Of Polymers written by I. Perepechko and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-10-22 with Technology & Engineering categories.

Low-Temperature Properties of Polymers systematizes the available materials on polymers. This book also describes the main trends in the investigation of interrelated properties of polymers, such as thermal (heat capacity, thermal conductivity, and thermal expansion), acoustical, dielectric, and viscoelastic, which maintain the physical properties of polymers at low temperatures. Comprised of nine chapters, this book first covers heat capacity of polymers at low temperature, and then tackles thermal conductivity of polymers at low temperatures. Chapter 3 discusses thermal expansion of polymers at low temperatures, and Chapter 4 tackles electrical properties of polymers at low temperatures. The fifth chapter covers nuclear magnetic resonance in polymers at low temperature, while the succeeding chapter encompasses dynamic mechanical properties of polymers at low temperatures. Chapter 7 concerns itself with the acoustical properties of polymers at low temperatures, while the succeeding chapter covers viscoelastic parameters of polymers at low temperatures. The closing chapter covers how to determine the thermophysical characteristics of polymers by acoustic measurement at helium temperature. This book will be of great interest to researchers or professionals whose line of work involves the manipulation and understanding of the properties of polymers.

Dielectric Relaxation In Polymers At Low Temperatures

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Author : Richard Alan Thomas
language : en
Publisher:
Release Date : 1976

Dielectric Relaxation In Polymers At Low Temperatures written by Richard Alan Thomas and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1976 with Dielectric relaxation categories.

High Temperature Polymer Dielectrics

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Author : Jun-Wei Zha
language : en
Publisher: John Wiley & Sons
Release Date : 2023-11-06

High Temperature Polymer Dielectrics written by Jun-Wei Zha and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-11-06 with Technology & Engineering categories.

High Temperature Polymer Dielectrics Overview on how to achieve polymer dielectrics at high temperatures, with emphasis on diverse applications in various electrical insulation fields High Temperature Polymer Dielectrics: Fundamentals and Applications in Power Equipment systematically describes the latest research progress surrounding high-temperature polymer dielectric (HTPD) materials and their applications in electrical insulation fields such as high-temperature energy storage capacitors, motors, packaging, printed circuit board, new energy power equipment, and aerospace electrical equipment. The comprehensive text provides a description of the market demand and theoretical research value of HTPDs in electrical equipment and enables readers to improve the performance and design of existing HTPD materials, and to develop efficient new high temperature polymer dielectric materials in general. Specific sample topics covered in High Temperature Polymer Dielectrics include: Thermal and electrical properties of high-temperature polymers, and the excellent thermal stability, mechanical properties, and long service life of polymer dielectrics Why fluorinated polymers are more thermally stable than their corresponding hydrogen-substituted polymers Static Thermomechanical Analysis (TMA), a technique for measuring the functional relationship between the deformation of the materials and the temperature and time under different actions Polyetheretherketone (PEEK), a semi-crystalline polymer material with ether bonds and ketone carbonyl groups in molecular chains Providing a complete overview of the state-of-the-art high temperature polymer dielectrics, with a focus on fundamental background and recent advances, High Temperature Polymer Dielectrics is an essential resource for materials scientists, electrical engineers, polymer chemists, physicists, and professionals working in the chemical industry as a whole.

Handbook Of Polymer Synthesis Characterization And Processing

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Author : Enrique Saldivar-Guerra
language : en
Publisher: John Wiley & Sons
Release Date : 2013-03-04

Handbook Of Polymer Synthesis Characterization And Processing written by Enrique Saldivar-Guerra and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-04 with Technology & Engineering categories.

Covering a broad range of polymer science topics, Handbook of Polymer Synthesis, Characterization, and Processing provides polymer industry professionals and researchers in polymer science and technology with a single, comprehensive handbook summarizing all aspects involved in the polymer production chain. The handbook focuses on industrially important polymers, analytical techniques, and formulation methods, with chapters covering step-growth, radical, and co-polymerization, crosslinking and grafting, reaction engineering, advanced technology applications, including conjugated, dendritic, and nanomaterial polymers and emulsions, and characterization methods, including spectroscopy, light scattering, and microscopy.

Electrical Properties Of Polymers

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Author : Evaristo Riande
language : en
Publisher: CRC Press
Release Date : 2004-05-21

Electrical Properties Of Polymers written by Evaristo Riande and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004-05-21 with Technology & Engineering categories.

Electrical Properties of Polymers describes the electric phenomena responsible for determining the chemical and supramolecular structure of polymers and polymeric materials. The authors explore the properties of quasi-static dipoles, reviewing Brownian motion, Debye theory, Langevin and Smoluchowski equations, and the Onsager model. This reference displays Maxwell and entropy equations, along with several others, that depict the thermodynamics of dielectric relaxation. Featuring end-of-chapter problems and useful appendices, the book reviews molecular dynamics simulations of dynamic dielectric properties and inspects mean-square dipole moments of gases, liquids, polymers, and fixed conformations.

Dielectrics In Electric Fields

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Author : Gorur Govinda Raju
language : en
Publisher: CRC Press
Release Date : 2017-07-28

Dielectrics In Electric Fields written by Gorur Govinda Raju and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-07-28 with Science categories.

Dielectrics in Electric Fields explores the influence of electric fields on dielectric—i.e., non-conducting or insulating—materials, examining the distinctive behaviors of these materials through well-established principles of physics and engineering. Featuring five new chapters, nearly 200 new figures, and more than 800 new citations, this fully updated and significantly expanded Second Edition: Analyzes inorganic substances with real-life applications in harsh working conditions such as outdoor, nuclear, and space environments Introduces methods for measuring dielectric properties at microwave frequencies, presenting results obtained for specific materials Discusses the application of dielectric theory in allied fields such as corrosion studies, civil engineering, and health sciences Combines in one chapter coverage of electrical breakdown in gases with breakdown in micrometric gaps Offers extensive coverage of electron energy distribution—essential knowledge required for the application of plasma sciences in medical science Delivers a detailed review of breakdown in liquids, along with an overview of electron mobility, providing a clear understanding of breakdown phenomena Explains breakdown in solid dielectrics such as single crystals, polycrystalline and amorphous states, thin films, and powders compressed to form pellets Addresses the latest advances in dielectric theory and research, including cutting-edge nanodielectric materials and their practical applications Blends early classical papers that laid the foundation for much of the dielectric theory with more recent work The author has drawn from more than 55 years of research studies and experience in the areas of high-voltage engineering, power systems, and dielectric materials and systems to supply both aspiring and practicing engineers with a comprehensive, authoritative source for up-to-date information on dielectrics in electric fields.

Polymer Physics

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Author : Leszek A. Utracki
language : en
Publisher: John Wiley & Sons
Release Date : 2011-02-14

Polymer Physics written by Leszek A. Utracki and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-02-14 with Technology & Engineering categories.

Providing a comprehensive review of the state-of-the-art advanced research in the field, Polymer Physics explores the interrelationships among polymer structure, morphology, and physical and mechanical behavior. Featuring contributions from renowned experts, the book covers the basics of important areas in polymer physics while projecting into the future, making it a valuable resource for students and chemists, chemical engineers, materials scientists, and polymer scientists as well as professionals in related industries.

Thermal Analysis Of Polymers

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Author : Joseph D. Menczel
language : en
Publisher: John Wiley & Sons
Release Date : 2014-07-09

Thermal Analysis Of Polymers written by Joseph D. Menczel and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-07-09 with Science categories.

Presents a solid introduction to thermal analysis, methods, instrumentation, calibration, and application along with the necessary theoretical background. Useful to chemists, physicists, materials scientists, and engineers who are new to thermal analysis techniques, and to existing users of thermal analysis who wish expand their experience to new techniques and applications Topics covered include Differential Scanning Calorimetry and Differential Thermal Analysis (DSC/DTA), Thermogravimetry, Thermomechanical Analysis and Dilatometry, Dynamic Mechanical Analysis, Micro-Thermal Analysis, Hot Stage Microscopy, and Instrumentation. Written by experts in the various areas of thermal analysis Relevant and detailed experiments and examples follow each chapter.

Dielectric Properties Of Polymers

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Author : Frank Karasz
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06

Dielectric Properties Of Polymers written by Frank Karasz and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Technology & Engineering categories.

The study of the electrical properties of polymers constitutes a substantial fraction of the total research interest in macro molecular behavior. Because of the increasing attention now being paid to theoretical and experimental aspects of the phenomena encountered, a symposium focusing particularly on dielectric behavior was held at the l6lst National Meeting of the American Chemical Society in Los Angeles, California, March, 1971. The authoritative papers in this volume were all presented at this symposium, which was sponsored by the Polymer Division of the American Chemical Society. An obvious advantage of such a collection is that it keep~ together closely related material which would otherwise tend to be dispersed amongst different journals; a further factor of which most authors represented here have taken advantage is that it gives an opportunity to present research in less attenuated form than is now normally possible in journals. I wish to thank all the authors for their uniformly excellent contributions and for their cooperation in the publication of this volume. Thanks are also due to Dr. S. Matsuoka for chairing one of the sessions at the symposium. September, 1971 Frank E. Karasz v LIST OF CONTRIBUTORS B. Baysal, Department of Chemistry, Dartmouth College, Hanover, New Hampshire Richard H. Boyd, Department of Chemical Engineering and Division of Materials Science and Engineering, University of Utah, Salt Lake City, Utah M. G. Broadhurst, Institute for Materials Research, National Bureau of Standards, Washington, D. C.

Thermal Properties Of Solids At Room And Cryogenic Temperatures

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Author : Guglielmo Ventura
language : en
Publisher: Springer
Release Date : 2014-06-23

Thermal Properties Of Solids At Room And Cryogenic Temperatures written by Guglielmo Ventura and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-06-23 with Science categories.

The minimum temperature in the natural universe is 2.7 K. Laboratory refrigerators can reach temperatures in the microkelvin range. Modern industrial refrigerators cool foods at 200 K, whereas space mission payloads must be capable of working at temperatures as low as 20 K. Superconducting magnets used for NMR work at 4.2 K. Hence the properties of materials must be accurately known also at cryogenic temperatures. This book provides a guide for engineers, physicists, chemists, technicians who wish to approach the field of low-temperature material properties. The focus is on the thermal properties and a large spectrum of experimental cases is reported. The book presents updated tables of low-temperature data on materials and a thorough bibliography supplements any further research. Key Features include: ° Detailed technical description of experiments ° Description of the newest cryogenic apparatus ° Offers data on cryogenic properties of the latest new materials ° Current reference review