Rheology And Processing Of Liquid Crystal Polymers
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Rheology And Processing Of Liquid Crystal Polymers
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Author : Domenico Acierno
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-11-27
Rheology And Processing Of Liquid Crystal Polymers written by Domenico Acierno 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 2013-11-27 with Technology & Engineering categories.
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.
Thermotropic Liquid Crystal Polymer Blends
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Author : Francesco Paolo La Mantia
language : en
Publisher: CRC Press
Release Date : 1993-12-04
Thermotropic Liquid Crystal Polymer Blends written by Francesco Paolo La Mantia and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993-12-04 with Technology & Engineering categories.
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.
Polymer Rheology And Processing
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Author : A.A. Collyer
language : en
Publisher: Springer Science & Business Media
Release Date : 1990-10-31
Polymer Rheology And Processing written by A.A. Collyer 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 1990-10-31 with Technology & Engineering categories.
Rheology
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Author : Geoffrey Mitchell
language : en
Publisher: Nova Science Publishers
Release Date : 2014
Rheology written by Geoffrey Mitchell and has been published by Nova Science Publishers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with Rheology categories.
Rheology is the study of the flow of matter, primarily in the liquid state, but also as 'soft solids' or solids under flow conditions in which they respond with plastic flow rather than deforming elastically in response to the applied force. An understanding of the flow of matter underpins a diversity of technologies and industrial processing including polymer and food processing. It applies to substances which have a complex microstructure, such as concentrated solutions, suspensions, polymers and inorganic glass formers as well as biological materials which belong to the class of soft matter. Rheological measurements are seemingly straightforward to make, but require models to interpret the mechanical measurements in terms of the microscopic behaviour of the material. This boo draws these diverse strands of current rheological research in to a single volume which embraces theory, measurement and applications in topics as diverse as theory and electrospinning, coal ash slag and food processing, hydrogels and liquid crystal polymers, reaction injection moulding and microreheology.There is a strong focus on the emerging topics in rheology and its application to complex soft matter especially in the field of food science and technology. The sixteen chapters in the volume present unpublished research work across these topics from leading authorities in the relevant field. The volume has a strong international representation with the selected authors drawn from some ten countries in Europe, South America and the rest of the world. Each chapter contains a comprehensive bibliography of related work. The book provides a fascinating snap shot across the current developments in rheology.
Liquid Crystalline Polymer Systems
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Author : Avraam I. Isayev
language : en
Publisher:
Release Date : 1996
Liquid Crystalline Polymer Systems written by Avraam I. Isayev and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Science categories.
Provides a comprehensive report on the synthesis, structure, rheology, processing, performance, and applications of liquid-crystalline polymers (LCPs). Discusses self-reinforced composites prepared through the melt processing of thermoplastics and thermotropic LCPs. Addresses current research efforts in making polymer-dispersed liquid crystals. Reports recent studies on the structure and phase behavior of mesophases. Describes the synthesis and properties of new main-chain and side-chain liquid-crystalline block copolymers, mesogen-jacketed LCPs, and liquid-crystalline thermosets.
Thermotropic Liquid Crystal Polymers
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Author : Tai-Shung Chung
language : en
Publisher: CRC Press
Release Date : 2001-03-01
Thermotropic Liquid Crystal Polymers written by Tai-Shung Chung and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001-03-01 with Technology & Engineering categories.
Liquid crystal polymers are sometimes called super polymers--with good reason. Their wide range of exceptional properties and ease of processing make them design candidates for many demanding applications. This new book provides a thorough review of LCP technology with the emphasis on the chemistry, synthesis and characterization of the material in its many variants. Additional chapters cover processing and applications. From the Editor's Preface The field of thermotropic liquid crystalline polymers has grown substantially in the last two decades, with fundamental research, publications, commercial products, and patents. In the 1980's, Dr. Ralph Miano led my colleagues and me at Hoechst Celanese in commercializing the first thermotropic liquid crystalline polymers, based on Dr. Gordon Calundann's composition patents. Today, more than seven companies have produced thermotropic liquid crystalline polymer materials, with at least 50 variants available. Hence, it is timely to compile a comprehensive review on the nature of this type of material and the ongoing progress in this field.... The goals of this book are to summarize previous work, provide new insights into this class of polymers, and add to the understanding of the formation of liquid crystallinity. This book covers a wide range of topics and addresses different disciplines in the field. The chapters are arranged as a learning scheme for the professional, from basic science to applied engineering. The first few chapters summarize the syntheses of various polyester, polyester-amid, and polyimide liquid crystalline polymers. The science and origins of liquid crystal formation are revealed. Next, we introduce the characterizations of these materials by their different chemical and physical aspects. Because most commercially available thermotropic liquid crystalline polymers have been used in the form of composites, we have also incorporated a chapter on polymer blends, detailing blending mechanisms and resultant properties. Two chapters on thermosetting liquid crystalline polymers integrate them with other topics, because of their unique importance and their applications for microelectronics and packaging. The final chapter deals with the engineering and processing aspects of thermoplastic liquid crystalline polymers for a variety of applications.
Liquid Crystalline Polymers
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Author : Vijay Kumar Thakur
language : en
Publisher: Springer
Release Date : 2015-08-25
Liquid Crystalline Polymers written by Vijay Kumar Thakur and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-08-25 with Technology & Engineering categories.
This book introduces various applications of liquid crystalline polymers as the emerging new class of high performance novel materials. The authors detail the advantageous properties of these LCs including optical anisotropic, transparency and easy control over structure. This interdisciplinary work includes valuable input from international projects with special focus on the use of liquid crystalline polymers and/or nanocomposites.
Liquid Crystal Polymers
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Author : N.A. Platé
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-11-11
Liquid Crystal Polymers written by N.A. Platé 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 2013-11-11 with Science categories.
Drawing a picture of the current situation of this new field, this volume both summarizes the past achievements and analyzes the present unsolved problems.
Liquid Crystalline Polymers
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Author : C. Carfagna
language : en
Publisher: Elsevier
Release Date : 2013-10-22
Liquid Crystalline Polymers written by C. Carfagna 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 Science categories.
The International Workshop on Liquid Crystalline Polymers (LCPs) held in June 1993 in Italy attracted many of the leading researchers in this area of polymer science. The meeting provided a forum for the exchange of research and ideas on current developments and future research and applications of liquid crystalline polymers. This volume consists of a selection of the best papers presented at the meeting covering synthesis and characterization, liquid crystalline thermosets, rheology, blends and composites containing LCPs and transport properties.
Liquid Crystalline Polymers
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Author : American Chemical Society. Meeting
language : en
Publisher:
Release Date : 1990
Liquid Crystalline Polymers written by American Chemical Society. Meeting and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1990 with Chemistry categories.
This volume explores the creation, study, and processing of new liquid-crystalline polymers. It covers not only the chemistry of liquid-crystalline polymers, but also the physics and engineering aspects of these materials. A wide range of topics is covered, including syntheses of main-chain and side-chain LCPs, structural characterization of LP, rheology and processing, and applications such a electro-optics and "self-reinforcing" blends. This book presents a broad view of the direction of LCP research in both industry and academe.