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Author: American Chemical Society. Division of Polymer Chemistry
Publisher:
ISBN:
Category : Chemistry
Languages : en
Pages : 966
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Book Description
Author: American Chemical Society. Division of Polymer Chemistry
Publisher:
ISBN:
Category : Chemistry
Languages : en
Pages : 966
Get Book Here
Book Description
Author: Valery P. Shibaev
Publisher: Springer Science & Business Media
ISBN: 1461383331
Category : Technology & Engineering
Languages : en
Pages : 378
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Book Description
Among the various new directions in modern polymer science, the design and investigation of liquid crystal (LC) polymers have been the ones growing most actively and fruitfully. In spite of that, the possible formation of an anisotropic LC phase was only demonstrated theoretically for the first time in the 1950s by Onsager [1] and Flory [2], and then experimentally verified in the studies with polypeptides solutions. In essence, the studies of these LC lyotropic systems did not deviate from the theme of purely academic interest. It was at the beginning of the 1970s that the experimental "explosion" occurred, when aromatic polyamides were synthesized and their ability to form LC solutions in certain very aggressive solvents was discovered. The search for practical applications of such LC systems was crowned with the successful creation of the new generation of ultrastrong high-modulus ther mostable fibers, such as the Kevlar, due to the high degree of order of the macromolecules in the anisotropic LC state. In fact, these investigations coincided with the swift emergence on the practical "scene" of thermotropic low-molar-mass liquid crystals, with the use of these materials in microelectronics and electro optics (figures and let ters indicators, displays in personal computers, and flat TV, etc.). Polymer scientists also began to develop methods of synthesizing thermotropic LC polymers by incorporating mesogenic fragments in the main (main-chain LC polymers) or side branchings of the macromolecules (side-chain or comb shaped polymers).
Author: Alexandre Blumstein
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 280
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Book Description
Author: S. F. Sun
Publisher: John Wiley & Sons
ISBN: 0471281387
Category : Technology & Engineering
Languages : en
Pages : 590
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Book Description
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.
Author: Mark Warner
Publisher: Oxford University Press
ISBN: 9780199214860
Category : Mathematics
Languages : en
Pages : 423
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Book Description
This text is a primer for liquid crystals, polymers, rubber and elasticity. It is directed at physicists, chemists, material scientists, engineers and applied mathematicians at the graduate student level and beyond.
Author: Bernhard Wunderlich
Publisher: Springer Science & Business Media
ISBN: 9783540236290
Category : Science
Languages : en
Pages : 918
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Book Description
Table of Contents Table of Contents 1 Atoms, small, and large molecules 2 Basics of thermal analysis 3 Dynamics of chemical and phase changes 4 Thermal analysis tools 5 Structure and properties of materials 6 Single component materials 7 Multiple component materials App. A.1 Table of thermal properties of linear macromolecules and related small molecules - the ATHAS data bank App. A.2 Radiation scattering App. A.3 Derivation of the Rayleigh ratio App. A.4 Neural network predictions App. A.5 Legendre transformations, Maxwell relations, linking of entropy and probability, and derivation of (dS/dT) App. A.6 Boltzmann distribution, harmonic vibration, complex numbers, and normal modes App. A.7 Summary of the basic kinetics of chemical reactions App. A.8 The ITS 1990 and the Krypton-86 length standard App. A.9 Development of classical DTA to DSC App. A.10 Examples of DTA and DSC under extreme conditions App. A.11 Description of an online correction of the heat-flow rate App. A.12 Derivation of the heat-flow equations App. A.13 Description of sawtooth-modulation response App. A.14 An introduction to group theory, definitions of configurations and conformations, and a summary of rational and irrational numbers App. A.15 Summary of birefringence and polarizing microscopy App. A.16 Summary of X-ray diffraction and interference effects App. A.17 Optical analog of electron double diffraction to produce Moire patterns.
Author: H.R. Kricheldorf
Publisher: Springer Science & Business Media
ISBN: 3642791751
Category : Technology & Engineering
Languages : en
Pages : 507
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Book Description
Silicon in Polymer Synthesis gives the first concise overview of silicon used for the synthesis and modification of polymers. The first section gives an introduction to the topic. The subsequent chapters detail the current status both from the basic research as well as from the industrial application points of view.
Author: D.W. van Krevelen
Publisher: Elsevier
ISBN: 0444596127
Category : Technology & Engineering
Languages : en
Pages : 898
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Book Description
Properties of Polymers: Their Correlation with Chemical Structure; Their Numerical Estimation and Prediction from Additive Group Contributions summarizes the latest developments regarding polymers, their properties in relation to chemical structure, and methods for estimating and predicting numerical properties from chemical structure. In particular, it examines polymer electrical properties, magnetic properties, and mechanical properties, as well as their crystallization and environmental behavior and failure. The rheological properties of polymer melts and polymer solutions are also considered. Organized into seven parts encompassing 27 chapters, this book begins with an overview of polymer science and engineering, including the typology of polymers and their properties. It then turns to a discussion of thermophysical properties, from transition temperatures to volumetric and calorimetric properties, along with the cohesive aspects and conformation statistics. It also introduces the reader to the behavior of polymers in electromagnetic and mechanical fields of force. The book covers the quantities that influence the transport of heat, momentum, and matter, particularly heat conductivity, viscosity, and diffusivity; properties that control the chemical stability and breakdown of polymers; and polymer properties as an integral concept, with emphasis on processing and product properties. Readers will find tables that give valuable (numerical) data on polymers and include a survey of the group contributions (increments) of almost every additive function considered. This book is a valuable resource for anyone working on practical problems in the field of polymers, including organic chemists, chemical engineers, polymer processers, polymer technologists, and both graduate and PhD students.
Author: Morteza Sasani Ghamsari
Publisher: BoD – Books on Demand
ISBN: 1789853672
Category : Science
Languages : en
Pages : 200
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Book Description
Liquid crystals have attracted scientific attention for potential applications in advanced devices. Display technology is continuously growing and expanding and, as such, this book provides an overview of the most recent advances in liquid crystals and displays. Chapters cover such topics as nematic liquid crystals, active matrix organic light-emitting diodes, and tetradentate platinum(II) emitters, among others.
Author: David L. Kaplan
Publisher: Springer Science & Business Media
ISBN: 3662036800
Category : Technology & Engineering
Languages : en
Pages : 438
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Book Description
Biopolymers from Renewable Resources is a compilation of information on the diverse and useful polymers derived from agricultural, animal, and microbial sources. The volume provides insight into the diversity of polymers obtained directly from, or derived from, renewable resources. The beneficial aspects of utilizing polymers from renewable resources, when considering synthesis, pro cessing, disposal, biodegradability, and overall material life-cycle issues, suggests that this will continue to be an important and growing area of interest. The individual chapters provide information on synthesis, processing and properties for a variety of polyamides, polysaccharides, polyesters and polyphenols. The reader will have a single volume that provides a resource from which to gain initial insights into this diverse field and from which key references and contacts can be drawn. Aspects of biology, biotechnology, polymer synthesis, polymer processing and engineering, mechanical properties and biophysics are addressed to varying degrees for the specific biopolymers. The volume can be used as a reference book or as a teaching text. At the more practical level, the range of important materials derived from renewable resources is both extensive and impressive. Gels, additives, fibers, coatings and films are generated from a variety of the biopolymers reviewed in this volume. These polymers are used in commodity materials in our everyday lives, as well as in specialty products.
