An Experimental Study of the Rheology of Thermotropic Liquid Crystalline Co-polyesters PDF Download
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Author: David Wilson Giles
Publisher:
ISBN:
Category : Polyesters
Languages : en
Pages : 270
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Book Description
Author: David Wilson Giles
Publisher:
ISBN:
Category : Polyesters
Languages : en
Pages : 270
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Book Description
Author: Domenico Acierno
Publisher: Springer Science & Business Media
ISBN: 940091511X
Category : Technology & Engineering
Languages : en
Pages : 331
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Book Description
Liquid crystal polymers (LCPs) have many strange properties that may be utilized to advantage in the processing of products made from them and their blends with isotropic polymers. This volume (volume 2 in the series Polymer Liquid Crystals) deals with their strange flow behaviour and the models put forward to explain the phenomena that occur in such polymers and their blends. It has been known for some time that small ad ditions of a thermotropic LCP to isotropic polymers not only gives an improvement in the strength and stiffness of the blend but improves the processability of the blend over that of the isotropic polymer. In the case of lyotropic LCPs, it is possible to create a molecular composite in which the reinforcement of an isotropic polymer is achieved at a molecular level by the addition of the LCP in a common solvent. If the phenomena can be fully understood both the reinforcement and an increase in the proces sability of isotropic polymers could be optimized. This book is intended to illustrate the current theories associated with the flow of LCPs and their blends in the hope that such an optimization will be achieved by future research. Chapter 1 introduces the subject of LCPs and describes the ter minology used; Chapter 2 then discusses the more complex phenomena associated with these materials. In Chapter 3, the way in which these phe nomena may be modelled using hamiltonians is fully covered.
Author: Francesco Paolo La Mantia
Publisher: CRC Press
ISBN: 9780877629603
Category : Technology & Engineering
Languages : en
Pages : 196
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Book Description
In recent years, studies by both industry and academic researchers have opened the door to improving performance and reducing costs of these new materials. The particular structure and morphology of LCPs, as well as their peculiar rheological behavior, have stimulated researchers to develop new theoretical models and new characterization and processing techniques to more fully understand and utilize LCPs. Although the scientific literature is very rich in data on the synthetic techniques and on the relations between structure and phase behavior of these new polymers, the understanding of the rheological and processing aspects is still far from satisfactory-particularly in the case of LCP blends. In fact, although an appreciable number of patents and scientific papers have appeared describing the phase behavior, the rheology, and the mechanical properties of many of these polyblends, several aspects of the relations between processing and morphology, and between morphology and properties of these materials are still obscure or even controversial. Now, this new book, written by leading researchers, provides an up-to-date guide and reference to the processing, rheology and applications of pure LCPs and LCP blends. The book concisely reviews the synthetic procedures for the production of LCPs and discusses the rheological behavior and processing methods. Plus, the book examines present and future applications areas of LCPs and LCP blends.
Author:
Publisher:
ISBN:
Category : Rheology
Languages : en
Pages : 216
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Book Description
Author: A.A. Collyer
Publisher: Springer Science & Business Media
ISBN: 9781851665570
Category : Technology & Engineering
Languages : en
Pages : 494
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Book Description
Author:
Publisher:
ISBN:
Category : Electronic journals
Languages : en
Pages : 772
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Book Description
Includes abstracts from the Journal of the Society of Rheology, Japan.
Author: Eli M. Pearce
Publisher: CRC Press
ISBN: 1482262312
Category : Science
Languages : en
Pages : 268
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Book Description
This book presents some fascinating phenomena associated with the remarkable features of high performance polymers and also provides an update on applications of modern polymers. It offers new research on structure-property relationships, synthesis, and purification, and potential applications of high performance polymers. The collection of topics
Author: Kai Sondergaard
Publisher: CRC Press
ISBN: 9781566761567
Category : Technology & Engineering
Languages : en
Pages : 604
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Book Description
FROM THE PREFACE Almost all polymeric systems are subjected to a flow field at least once along the route between preparation and application. . . . There is also an increased interest in predictive models on phase behavior and suitable techniques for characterizing the structure of these systems when subjected to flow. Multiphase polymeric systems are particularly susceptible to flow, which may cause orientation of species, morphological changes, and phase transitions. All these events may, in turn, affect the end product properties, such as permeability, electrical conductivity, [and] mechanical properties. In processing, escalating needs have evolved for optimization and development of novel and more uniform product properties and increased productivity. In order to arrive at an understanding of processing polymeric systems under elastic flow conditions, it is convenient to analyze the basic physical mechanisms under conditions that enable development of predictive models in conjunction with controlled experimentation. . . . In recent years, the science of rheo-physics has evolved and now involves both advanced theories and experimental techniques. Rheo-physics means the rheological, morphological, and thermodynamic behavior of structured polymer systems during flow. . . . In this monograph, the rheo-optical techniques are . . . emphasized. The book gives an introduction to rheo-physics, including fundamentals of theories, and a representative selection of applications of rheo-optical techniques for analyzing multiphase systems. The chapters contain both practical advice for the new experimenter . . . as well as review material for the experienced scientist.
Author: American Chemical Society. Division of Polymer Chemistry
Publisher:
ISBN:
Category : Chemistry
Languages : en
Pages : 892
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Book Description
Author: Society of Plastics Engineers. Technical Conference
Publisher:
ISBN:
Category : Plastics
Languages : en
Pages : 910
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Book Description
