Thermotropic Liquid Crystal Polymer Blends

Author : Francesco Paolo La Mantia
Publisher : CRC Press
Page : 196 pages
File Size : 41,5 Mb
Release : 1993-12-04
Category : Technology & Engineering
ISBN : 0877629609

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Thermotropic Liquid Crystal Polymer Blends by Francesco Paolo La Mantia Pdf

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 : Tai-Shung Chung
Publisher : CRC Press
Page : 392 pages
File Size : 55,8 Mb
Release : 2001-03-01
Category : Technology & Engineering
ISBN : 1420012525

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Thermotropic Liquid Crystal Polymers by Tai-Shung Chung Pdf

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.

Author : Tai-Shung Chung
Publisher : CRC Press
Page : 378 pages
File Size : 55,5 Mb
Release : 2001-03-01
Category : Technology & Engineering
ISBN : 1566769434

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Thermotropic Liquid Crystal Polymers by Tai-Shung Chung Pdf

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.

Author : Tai-shung Chung
Publisher : Unknown
Page : 378 pages
File Size : 48,7 Mb
Release : 2001
Category : Electronic book
ISBN : 0367800861

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Advances in Thermotropic Liquid Crystal Polymers by Tai-shung Chung Pdf

Annotation 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.

Author : Domenico Acierno,A.A. Collyer
Publisher : Springer Science & Business Media
Page : 331 pages
File Size : 52,8 Mb
Release : 2013-11-27
Category : Technology & Engineering
ISBN : 9789400915114

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Rheology and Processing of Liquid Crystal Polymers by Domenico Acierno,A.A. Collyer Pdf

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 : Goddeti Siva Mohan Reddy,Jaragula Jayaramudu,Kokkarachedu Varaprasad,Rotimi Sadiku,Shanavas Abdul Jailani,Blessing Atim Aderibigbe
Publisher : Elsevier Inc. Chapters
Page : 576 pages
File Size : 51,7 Mb
Release : 2013-11-28
Category : Technology & Engineering
ISBN : 9780128090862

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Nanostructured Polymer Blends by Goddeti Siva Mohan Reddy,Jaragula Jayaramudu,Kokkarachedu Varaprasad,Rotimi Sadiku,Shanavas Abdul Jailani,Blessing Atim Aderibigbe Pdf

Liquid crystals constitute a fascinating class of soft condensed matter characterized by the counterintuitive combination of fluidity and long-range order. Today liquid crystals are best known for their exceptionally successful application in flat panel displays, but they actually exhibit a plethora of unique and attractive properties that offer tremendous potential for fundamental science as well as innovative applications well beyond the realm of displays. This full breadth of the liquid crystalline state of matter is becoming increasingly recognized and numerous new and exciting lines of research are being opened up. In this chapter we look at these exciting developments, focusing primarily on the physics aspects of the new research thrusts, in which thermotropic as well as lyotropic liquid crystals often meet other types of soft matter, such as polymers and colloidal nano- or microparticle dispersions. Because the field is also of interest for researchers who may not have a liquid crystal background we begin with a concise introduction to the liquid crystalline state of matter and the key concepts of the research field. We then discuss nanostructured liquid crystals, followed by applications of nanostructured liquid crystals.

Author : Domenico Acierno,Francesco Paolo La Mantia
Publisher : ChemTec Publishing
Page : 227 pages
File Size : 52,7 Mb
Release : 1993
Category : Crystalline polymers
ISBN : 9781895198041

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Processing and Properties of Liquid Crystalline Polymers and LCP Based Blends by Domenico Acierno,Francesco Paolo La Mantia Pdf

Some papers in this book report on the most recent developments in pure liquid crystalline polymers showing that discipline is dynamic and may offer in the future numerous other opportunities not known today. We hope that our selections of papers will be interesting for specialists in polymer chemistry, blends, and their industrial application, and that information included in this book will be stimulating and will favorably impact research currently performed by the readers of this book.

Author : Mark T. DeMeuse
Publisher : Elsevier
Page : 233 pages
File Size : 47,7 Mb
Release : 2014-03-25
Category : Technology & Engineering
ISBN : 9780857099013

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High Temperature Polymer Blends by Mark T. DeMeuse Pdf

Polymer blends offer properties not easily obtained through the use of a single polymer, including the ability to withstand high temperatures. High Temperature Polymer Blends outlines the characteristics, developments, and use of high temperature polymer blends. The first chapter introduces high temperature polymer blends, their general principles, and thermodynamics. Further chapters go on to deal with the characterization of high temperature polymer blends for specific uses, such as fuel cells and aerospace applications. The book discusses different types of high temperature polymer blends, including liquid crystal polymers, polysulfones, and polybenzimidazole polymer blends and their commercial applications. High Temperature Polymer Blends provides a key reference for material scientists, polymer scientists, chemists, and plastic engineers, as well as academics in these fields. Reviews characterization methods and analysis of the thermodynamic properties of high temperature polymer blends Reviews the use of materials such as liquid crystals as reinforcements as well as applications in such areas as energy and aerospace engineering

Author : Vijay Kumar Thakur,Michael R. Kessler
Publisher : Springer
Page : 535 pages
File Size : 55,9 Mb
Release : 2015-08-25
Category : Technology & Engineering
ISBN : 9783319202709

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Liquid Crystalline Polymers by Vijay Kumar Thakur,Michael R. Kessler Pdf

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.

Author : Avraam I. Isayev,American Chemical Society. Meeting
Publisher : Unknown
Page : 440 pages
File Size : 45,9 Mb
Release : 1996
Category : Science
ISBN : UOM:39015037785253

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Liquid Crystalline Polymer Systems by Avraam I. Isayev,American Chemical Society. Meeting Pdf

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.

Author : Sabu Thomas,Sarathchandran C.,Nithin Chandran
Publisher : Elsevier
Page : 324 pages
File Size : 50,9 Mb
Release : 2019-09-08
Category : Technology & Engineering
ISBN : 9780128169568

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Rheology of Polymer Blends and Nanocomposites by Sabu Thomas,Sarathchandran C.,Nithin Chandran Pdf

Rheology of Polymer Blends and Nanocomposites: Theory, Modelling and Applications focuses on rheology in polymer nanocomposites. It provides readers with a solid grounding in the fundamentals of rheology, with an emphasis on recent advancements. Chapters explore potential future applications for nanocomposites and polymer blends, giving readers a thorough understanding of the specific features derived from rheology as a tool for the study of polymer blends and nanocomposites. This book is ideal for industrial and academic researchers in the field of polymer blends and nanocomposites, but is also a great resource for anyone who wants to learn about the applications of rheology. Sets out the principles of rheology as it is applied to polymer blends and nanocomposites Demonstrates how rheological techniques are best applied to different classes of nanocomposites Assesses the opportunities and major challenges of rheological approaches to polymer blends and nanocomposites

Author : George P. Simon
Publisher : Routledge
Page : 766 pages
File Size : 54,6 Mb
Release : 2019-07-16
Category : Science
ISBN : 9781351423625

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Polymer Blends and Alloys by George P. Simon Pdf

Distinguishing among blends, alloys and other types of combinations, clarifying terminology and presenting data on new processes and materials, this work present up-to-date and effective compounding techniques for polymers. It offers extensive analyses on the challenging questions that surround miscibility, compatibility, dynamic processing, interaction/phase behaviour, and computer simulations for predicting behaviours of polymer mixture and interaction.

Author : Marian Kryszewski,Andrzej Galeski,Ezio Martuscelli
Publisher : Springer Science & Business Media
Page : 288 pages
File Size : 44,7 Mb
Release : 2013-06-29
Category : Technology & Engineering
ISBN : 9781489918314

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Polymer Blends by Marian Kryszewski,Andrzej Galeski,Ezio Martuscelli Pdf

Author : D. Coates
Publisher : iSmithers Rapra Publishing
Page : 190 pages
File Size : 43,6 Mb
Release : 2000
Category : Technology & Engineering
ISBN : 1859572146

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Liquid Crystal Polymers by D. Coates Pdf

Liquid crystal polymers (LCPs) have a wide range of uses, from strong engineering plastics to delicate gels for use in liquid crystal (LC) displays. For this reason, it is essential reading for materials scientists, engineers or technologists in industry, as well as research laboratories or academia. An additional indexed section containing several hundred abstracts from the Rapra Polymer Library database gives useful references for further reading.

Author : Sabu Thomas,Robert Shanks,Sarath Chandran
Publisher : William Andrew
Page : 442 pages
File Size : 52,8 Mb
Release : 2015-09-22
Category : Technology & Engineering
ISBN : 9780323394543

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Design and Applications of Nanostructured Polymer Blends and Nanocomposite Systems by Sabu Thomas,Robert Shanks,Sarath Chandran Pdf

Design and Applications of Nanostructured Polymer Blend and Nanocomposite Systems offers readers an intelligent, thorough introduction to the design and applications of this new generation of designer polymers with customized properties. The book assembles and covers, in a unified way, the state-of-the-art developments of this less explored type of material. With a focus on nanostructured polymer blends, the book discusses the science of nanostructure formation and the potential performance benefits of nanostructured polymer blends and composites for applications across many sectors: electronics, coatings, adhesives, energy (photovoltaics), aerospace, automotive, and medical devices (biocompatible polymers). The book also describes the design, morphology, and structure of nanostructured polymer composites and blends to achieve specific properties. Covers all important information for designing and selecting the right nanostructured polymer system Provides specialized knowledge on self-repairing, nanofibre and nanostructured multiphase materials, as well as evaluation and testing of nanostructured polymer systems Serves as a reference guide for development of new products in industries ranging from electronics, coatings, and energy, to transport and medical applications Describes the design, morphology, and structure of nanostructured polymer composites and blends to achieve specific properties