Developments In Crystalline Polymers 2

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Developments In Crystalline Polymers 2

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Author : David C. Bassett
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06

Developments In Crystalline Polymers 2 written by David C. Bassett 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.

Modern society makes increasing demands for novelty in materials and their properties which are ever more exacting. Crystalline polymers are in the forefront of this demand and improvements are constantly occurring across the entire range from existing materials of high tonnage to novel materials with application in information technology. The developments recorded in this volume reflect this situation. Chapter 1 is a comprehensive review of the polymer PHB, poly(hydroxybutyrate), which is new to industrial manufacturing but is a naturally occurring substance. It has potentially valuable properties but has excited interest especially because it is biodegradable. It may, therefore, provide one means of reducing environmental pollution. Improvements in existing materials, beyond those which are ob tainable by optimization of known variables, are most likely to come from understanding of structure-property relationships. Polymer is able to make effective science has now reached the stage where it synthesis of information from complementary techniques, leading to rapidly deepening understanding. Chapters 2, 3 and 4 are all con cerned with technical developments which are contributing substan tially to this synthesis. The possibilities of electron microscopy, specifically the characterization of lamellar microstructure, have been transformed by permanganic etching. Now real organization (which can be very different from what had previously been inferred) can be used as a basis for explaining polymeric properties. In Chapter 3, Mitchell and Windle give a critical account of the assessment of orientation in liquid crystalline polymers, a rapidly developing new field in which they have played a leading part.

Developments In Crystalline Polymers

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Author : David C. Bassett
language : en
Publisher:
Release Date : 2014-01-15

Developments In Crystalline Polymers written by David C. Bassett and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-01-15 with categories.

Recent Advances In Liquid Crystalline Polymers

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Author : L. L. Chapoy
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06

Recent Advances In Liquid Crystalline Polymers written by L. L. Chapoy 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 Social Science categories.

This volume contains an eclectic collection of 22 papers on liquid crystalline polymers presented at the Sixth Polymer Workshop, in the series sponsored by the European Science Foundation, entitled: 'Liquid Crystal Polymer Systems', in Gentofte, Denmark, 12-14 September 1983. Since a contribution to this volume was strictly voluntary, and in some cases represents a considerably expanded version of that which was presented, it is strictly speaking not correct to term this a 'proceedings'. A description of the aims and purposes of the European Science Foundation with respect to the polymer area has been presented in: Shell Polymers, Vol. 5, No.2, pp. 34-35, 1981. The papers given here represent a cross-section of current research interests in liquid crystalline polymers in the areas of theory, synthesis, characterization, structure-property relationships and applications. At least some of the current interest is motivated by attempts to practically exploit the novel properties of these materials in the developing tech nologies of high strength fibres and advanced materials for constructional purposes, but also for functional materials in the areas of information retrieval, electronics and opto-electronics applications. The editor wishes to thank all those involved for their courtesy and co-operation.

Developments In Crystalline Polymers 1

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Author : David C. Bassett
language : en
Publisher: Springer
Release Date : 1982-04-30

Developments In Crystalline Polymers 1 written by David C. Bassett and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 1982-04-30 with Technology & Engineering categories.

Crystalline or, more properly, semi-crystalline polymers continue to present major challenges and opportunities to scientists and technologists alike. On the one hand, scientific understanding of their structure and properties still lags behind that of other economically important, but less complicated materials. On the other hand, there remains very considerable potential for improving properties in systems designed for specific pur poses. Ways are only just being found of transferring inherent molecular properties (such as high modulus) to the macromolecular solid. Beyond these are many possibilities of manipulating the organization of chemical and physical textures towards desired ends. The chapters in this volume are reports, by wen-known and active researchers, on some of the important recent developments ofthese themes. Grubb begins with the fundamental and central problem of determining polymeric microstructure. Polymers sutTer by comparison with other materials in that it has not generany been possible to exploit the high resolution of the electron microscope to determine their microstructure in adequate detail. However, recently, ways have been found of studying representative lamellar textures in melt-crystallized polymers. When fully exploited these must add greatly to our detailed knowledge and provide a firmer fundamental base for future developments. Radiation damage bears the primary responsibility for restricting electron microscopy. In his chapter, Kener recounts how appreciation of this fact led him into a fascinating study of ever deeper aspects of radiation damage in polyethylene over two decades, often controversiany but invariably clarifying the basic understanding of an area now of increasing commercial importance.

Developments In Crystalline Polymers 1

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Author : David C. Bassett
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-04-17

Developments In Crystalline Polymers 1 written by David C. Bassett 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 2013-04-17 with Technology & Engineering categories.

Crystalline or, more properly, semi-crystalline polymers continue to present major challenges and opportunities to scientists and technologists alike. On the one hand, scientific understanding of their structure and properties still lags behind that of other economically important, but less complicated materials. On the other hand, there remains very considerable potential for improving properties in systems designed for specific pur poses. Ways are only just being found of transferring inherent molecular properties (such as high modulus) to the macromolecular solid. Beyond these are many possibilities of manipulating the organization of chemical and physical textures towards desired ends. The chapters in this volume are reports, by wen-known and active researchers, on some of the important recent developments ofthese themes. Grubb begins with the fundamental and central problem of determining polymeric microstructure. Polymers sutTer by comparison with other materials in that it has not generany been possible to exploit the high resolution of the electron microscope to determine their microstructure in adequate detail. However, recently, ways have been found of studying representative lamellar textures in melt-crystallized polymers. When fully exploited these must add greatly to our detailed knowledge and provide a firmer fundamental base for future developments. Radiation damage bears the primary responsibility for restricting electron microscopy. In his chapter, Kener recounts how appreciation of this fact led him into a fascinating study of ever deeper aspects of radiation damage in polyethylene over two decades, often controversiany but invariably clarifying the basic understanding of an area now of increasing commercial importance.

Developments In Oriented Polymers 2

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Author : Ian M. Ward
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06

Developments In Oriented Polymers 2 written by Ian M. Ward 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 Science categories.

The last four years since the publication of the first of this series have seen further striking developments in both the science and technology of oriented polymers. In particular, polymers possessing very high degrees of molecular orientation are now quite commonplace, and this is reflected by the inclusion of five chapters dealing with ultra-high modulus polyethylene fibres, oriented liquid crystalline polymers (both lyotropics and thermo tropics) and polydiacetylene single crystal fibres. At the same time there is continuing interest in the structure and properties of less highly oriented polymers and in the mechanisms of deformation in polymers. It is therefore good to have these themes represented also. I should like to thank the contributors for adhering to a rather tight time schedule, and the publishers for their cooperation, so that this book can provide up-to-date reviews of the state of the art in a rapidly moving area of polymer science. I. M. WARD v CONTENTS Preface.... . . . .. . . . . .. ... . . . . . . . . . .. . . .. . . . . . . ... ... v List of Contributors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . IX 1. Polymer Single Crystal Fibres ........................ .

Liquid Crystalline Polymers

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Author : Lei Zhu
language : en
Publisher: Springer
Release Date : 2020-08-14

Liquid Crystalline Polymers written by Lei Zhu and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-08-14 with Technology & Engineering categories.

This book provides a comprehensive overview of various self-assemblies in liquid crystalline polymers and their electrical, optical, mechanical, and flame retardant properties. Liquid crystalline polymers are unique self-assembled, functional soft materials with electrical, magnetic, and thermal responses which find potential applications in numerous areas. As well as providing an overview of their synthesis, self-assembly and dynamics the various applications are also discussed. Such applications as liquid crystalline elastomers, light responsive actuators, optical reflectors, gas barrier films, and even flame retardant polymers will be presented. The book is a useful resource for undergraduates, postgraduates and experienced researchers.

Engineering And High Performance Plastics Market Report

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Author : David K. Platt
language : en
Publisher: iSmithers Rapra Publishing
Release Date : 2003

Engineering And High Performance Plastics Market Report written by David K. Platt and has been published by iSmithers Rapra Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Business & Economics categories.

Advances In New Materials

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Author : J. Riffle
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06

Advances In New Materials written by J. Riffle 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 Science categories.

of Polymer Chemistry, Inc. of the American Chemical Society held its The Division 15th Biennial Polymer Symposium on the topic, "Advances in New Materials," November 17-21, 1990, at the Pier 66 Resort and Marina in Ft. Lauderdale, Florida. A three and one half day program was presented by recognized leaders in major areas of new polymeric materials. The topics of the Biennial Symposium included new high performance polymers, polymers for electronic applications, electrically conducting polymers, nonlinear optics, new polymer systems, and polymers derived from biological media. These are the subject areas of this volume of "Contemporary Topics in Polymer Science". The intent of the Symposium was to focus on recent advances in polymeric materials. The technical sessions were complemented by an initial poster session which augmented the various technical sessions. A particular highlight of the meeting was the presentation to Professor Michael Szwarc of the 1990 Division of Polymer Chemistry Award by Dr. J. L. Benham, Chairman of the T Aymer Division. During his Award address, Professor Szwarc described how he had become a polymer chemist and later developed "living polymers." Without a doubt, Professor Szwarc has made a profound contribution to the polymer field, which has yielded many new forms of living polymerization.

Advances In Physicochemical Properties Of Biopolymers Part 2

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Author : Martin Masuelli
language : en
Publisher: Bentham Science Publishers
Release Date : 2017-08-08

Advances In Physicochemical Properties Of Biopolymers Part 2 written by Martin Masuelli and has been published by Bentham Science Publishers this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-08-08 with Technology & Engineering categories.

There is considerable diversity in polymers extracted from natural sources and much work has been done to classify them according to their physical and chemical properties. In the second part of this book set, readers will find general information about the physicochemical properties of several naturally occurring polysaccharides followed by a section dedicated to their application in different fields of research and medicine. Key topics in this part include: • chitosan (properties modifications and applications) • microbial biopolymers • biopolymers present in Brazilian seeds • protein-plastic foams • biopolymer microencapsulation in the food industry • biomedical gels • collagen biomaterials • biopolymer electrospinning This reference is intended for students of applied chemistry and biochemistry who require information about the properties and applications of polysaccharides (such as chitosan) and other protein-based biopolymers.