Polymer Liquid Crystals

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Polymer Liquid Crystals

A Ciferri
Polymer Liquid Crystals Book PDF

Author : A Ciferri
Publisher : Elsevier
Page : 398 pages
File Size : 55,8 Mb
Release : 2012-12-02
Category : Science
ISBN : 9780323152310

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Polymer Liquid Crystals by A Ciferri Pdf

Polymer Liquid Crystals covers the significant developments in the field of highlight oriented polymers. This 12-chapter book emerged from lectures presented during the seminar "Polymer Liquid Crystals: Science and Technology", held at Santa Margherita Ligure, Italy on May 19-23, 1981. The opening chapters highlight the molecular basis of liquid crystallinity. The subsequent chapters deal with the synthesis, structure, properties, and macroscopic phenomena of polymer liquid crystals. These topics are followed by descriptions of the orientation of liquid crystals, specifically the instabilities in low molecular weight nematic and cholesteric liquid crystals. The final chapters consider the applications of these crystals to display devices and the advances in high-strength fibers and molecular composites. This book will be of great value to polymer liquid crystal chemists and researchers.

Liquid Crystal Polymer Nanocomposites

P. M. Visakh,Artem Semkin,Zeynep Guven Ozdemir
Liquid Crystal Polymer Nanocomposites Book PDF

Author : P. M. Visakh,Artem Semkin,Zeynep Guven Ozdemir
Publisher : Woodhead Publishing
Page : 306 pages
File Size : 44,5 Mb
Release : 2022-01-06
Category : Technology & Engineering
ISBN : 9780128221631

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Liquid Crystal Polymer Nanocomposites by P. M. Visakh,Artem Semkin,Zeynep Guven Ozdemir Pdf

Liquid Crystal Polymer Nanocomposites summarizes, in a comprehensive manner, numerous modern technical research accomplishments on the development of nanocomposites from liquid crystalline polymers. It emphasizes various studies at the nano-scale, including discussions of liquid crystalline block copolymers, liquid crystalline epoxy nanocomposites, barrier property studies of liquid crystalline epoxy and their nanocomposites, liquid crystalline polymer-based microfibrillar and nanofibrillar composites, liquid crystalline polymer/nanoplatelet nanocomposites, liquid-crystalline elastomer/graphene oxide nanocomposites, and thermotropic liquid crystalline polymers. It provides detailed information on methods of preparation, the properties of these materials and a discussion on the structure-properties relationship. With an emphasis on data and experimental results, the book's authors illustrate how the liquid crystal structure can have an impact on the final properties of nanocomposite. Contains contributions from leading experts working in this specialized field of research Provides detailed information on the preparation, characterization and application of nanocomposites of liquid crystalline polymers Presents solutions to both fundamental and applied problems

Liquid Crystal Polymers: From Structures to Applications

A.A. Collyer
Liquid Crystal Polymers From Structures to Applications Book PDF

Author : A.A. Collyer
Publisher : Springer Science & Business Media
Page : 486 pages
File Size : 47,6 Mb
Release : 2012-12-06
Category : Science
ISBN : 9789401118705

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Liquid Crystal Polymers: From Structures to Applications by A.A. Collyer Pdf

The subject of liquid crystals and their use in electronic displays and in non-linear optical systems has become of tremendous importance during the last decade; and the incorporation of liquid crystal units into polymeric materials has led to a group of new materials with diverse properties. Some of these properties have been utilized in new products and some have yet to be used. Much published work has appeared that deals with specific materials or particular applications, and it was felt that a book was needed to examine and explain the underlying principles governing the diverse properties of these liquid crystal polymers, LCPs. The current work describes the diverse nature of LCPs, their synthesis, characterization, properties and finally their applications. It describes the manner in which liquid crystallinity or mesomorphism occurs in small molecules, monomer liquid crystals and polymer liquid crystals. Chapter 1 gives a classification of the various ways in which the meso gens may be connected to the polymer chains. Currently, the bulk of LCP material is based on main chain or longitudinal LCPs for use in engineering applications. The side chain or comb polymers are intended for use in electronics and opto-electronic systems and as surfactants. Many other variants and possibilities exist but their properties have not yet been fully studied or used. In this respect it is hoped that the current work will indicate future possibilities as well as discussing current opinion. v Preface vi Chapters 2 and 3 describe methods of characterizing the mesophases.

Polymer-modified Liquid Crystals

Ingo Dierking
Polymer modified Liquid Crystals Book PDF

Author : Ingo Dierking
Publisher : Royal Society of Chemistry
Page : 387 pages
File Size : 45,9 Mb
Release : 2019-01-03
Category : Science
ISBN : 9781782629825

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Polymer-modified Liquid Crystals by Ingo Dierking Pdf

A state-of-the-art account of current developments in polymer-dispersed liquid crystals and polymer-stabilized liquid crystals research.

Polarized Light in Liquid Crystals and Polymers

Toralf Scharf
Polarized Light in Liquid Crystals and Polymers Book PDF

Author : Toralf Scharf
Publisher : John Wiley & Sons
Page : 480 pages
File Size : 47,5 Mb
Release : 2007-01-02
Category : Science
ISBN : 9780470074367

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Polarized Light in Liquid Crystals and Polymers by Toralf Scharf Pdf

Polarized Light in Liquid Crystals and Polymers deals with the linear optics of birefringent materials, such as liquid crystals and polymers, and surveys light propagation in such media with special attention to applications. It is unique in treating light propagation in micro- and nanostructured birefringent optical elements, such as lenses and gratings composed of birefringent materials, as well as the spatial varying anisotropic structures often found in miniaturized liquid crystal devices.

Liquid Crystals In Complex Geometries

G P Crawford,S Zumer
Liquid Crystals In Complex Geometries Book PDF

Author : G P Crawford,S Zumer
Publisher : CRC Press
Page : 528 pages
File Size : 54,8 Mb
Release : 1996-04-29
Category : Science
ISBN : 0748404643

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Liquid Crystals In Complex Geometries by G P Crawford,S Zumer Pdf

Focusing on the applied and basic aspects of confined liquid crystals, this book provides a current treatise of the subject matter and places it in the broader context of electrooptic applications. The book takes an interdisciplinary approach to the

Mechanical and Thermophysical Properties of Polymer Liquid Crystals

Witold Brostow
Mechanical and Thermophysical Properties of Polymer Liquid Crystals Book PDF

Author : Witold Brostow
Publisher : Springer Science & Business Media
Page : 534 pages
File Size : 49,5 Mb
Release : 2013-11-27
Category : Technology & Engineering
ISBN : 9781461557999

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Mechanical and Thermophysical Properties of Polymer Liquid Crystals by Witold Brostow Pdf

may never overcome the effects of hysteresis and stress (see Chapters 6 and 12). The first sentence of the reference work, Handbook of Liquid Crystals, reads: The terms liquid crystals, crystalline liquid, mesophase, and mesomorphous state are used synonymously to describe a state of aggregation that exhibits a molecular order in a size range similar to that of a crystal but acts more or less as a viscous liquid: [2] In other words, molecules within a liquid crystalline phase possess some orientational order and lack positional order; furthermore, the shape of a liquid crystalline sample is determined by the vessel in which it is contained rather than by the orientational order of its aggregated molecules. The authors recognized the limitations and imprecision of this definition but, like others preceding them, could not devise a simple and generally applicable one that is better. Regardless, the terms 'liquid crystal' and 'mesophase' should not be used interchangeably. As mentioned above, all liquid crystals are mesophases, but all mesophases are not liquid crystals. Recent studies, employing elaborate and sophisticated analytical techniques, have permitted finer distinctions between classical crystals and mesophases. At the same time, they have made definitions like that from the Handbook of Liquid Crystals somewhat obsolete for reasons other than terminology. One part of the problem arises from the use of a combination of bulk properties (like flow) and microscopic properties (like molecular ordering) within the same definition.

Liquid Crystalline Polymers

Lei Zhu,Christopher Y. Li
Liquid Crystalline Polymers Book PDF

Author : Lei Zhu,Christopher Y. Li
Publisher : Springer
Page : 0 pages
File Size : 42,7 Mb
Release : 2020-08-14
Category : Technology & Engineering
ISBN : 3030433498

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Liquid Crystalline Polymers by Lei Zhu,Christopher Y. Li Pdf

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.

Recent Advances in Liquid Crystalline Polymers

L. L. Chapoy
Recent Advances in Liquid Crystalline Polymers Book PDF

Author : L. L. Chapoy
Publisher : Springer Science & Business Media
Page : 334 pages
File Size : 50,6 Mb
Release : 2012-12-06
Category : Science
ISBN : 9789400949348

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Recent Advances in Liquid Crystalline Polymers by L. L. Chapoy Pdf

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.

Liquid Crystalline Polymers

A. M. Donald,A. H. Windle,S. Hanna
Liquid Crystalline Polymers Book PDF

Author : A. M. Donald,A. H. Windle,S. Hanna
Publisher : Cambridge University Press
Page : 616 pages
File Size : 51,6 Mb
Release : 2006-05-11
Category : Science
ISBN : 0521580013

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Liquid Crystalline Polymers by A. M. Donald,A. H. Windle,S. Hanna Pdf

A 2006 edition explaining the underlying science and applications of liquid crystalline polymers.

Cross-Linked Liquid Crystalline Systems

Dirk Broer,Gregory P Crawford,Slobodan Zumer
Cross Linked Liquid Crystalline Systems Book PDF

Author : Dirk Broer,Gregory P Crawford,Slobodan Zumer
Publisher : CRC Press
Page : 629 pages
File Size : 40,5 Mb
Release : 2011-01-24
Category : Science
ISBN : 1420046306

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Cross-Linked Liquid Crystalline Systems by Dirk Broer,Gregory P Crawford,Slobodan Zumer Pdf

Liquid crystal displays were discovered in the 1960s, and today we continue to enjoy the benefits of that fundamental discovery and its translation into a wide variety of products. Like liquid crystals, polymers are unusual materials, and have similarly enjoyed a great deal of research attention because of their vast applications and uses and complex fundamental properties. The combination of liquid crystal and polymer properties produces a broad array of new effects—spanning from densely crosslinked, rigid polymer networks to weakly crosslinked elastomers—that are not simply manifestations of either native liquid crystals or polymers alone. Cross-Linked Liquid Crystalline Systems brings together liquid crystal and polymer systems and their variations. The field, much like traditional liquid crystals, is one of an interdisciplinary nature with a broad spectrum, from the very fundamental questions of nature to a myriad of practical uses. There seems to be no shortage of unusual properties and far-reaching applications in densely crossed-linked liquid crystal systems and liquid crystal elastomers. These systems provide a rich new avenue for both fundamental and applied research and continue to fascinate scientists and engineers. Specifically, this book covers: Cross-linked networks created from reactive mesogen materials Manipulation of liquid crystalline by external constraints Advances in liquid crystal display screen technology Physical and electromagnetic properties of elastomers and magnetic gels Computer simulations and theory of liquid crystal polymeric networks and elastomers Side-on nematic liquid-crystalline elastomers for artificial muscle applications Liquid crystal display technology has driven much of the fundamental research in crosslinked liquid crystalline systems. The systems’ ability to enforce three-dimensional structure in the molecular order and capture it created a number of compelling application possibilities because it provided necessary control of the molecular order. This book advances the understanding of basic science behind these systems, accelerates some of the proposed applications to the marketplace, and hopes to inspire generations of scientists to think broadly about these exciting and useful materials.

Liquid Crystal Elastomers

Mark Warner,Eugene Michael Terentjev
Liquid Crystal Elastomers Book PDF

Author : Mark Warner,Eugene Michael Terentjev
Publisher : Oxford University Press
Page : 423 pages
File Size : 50,8 Mb
Release : 2007-04-05
Category : Mathematics
ISBN : 0199214867

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Liquid Crystal Elastomers by Mark Warner,Eugene Michael Terentjev Pdf

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.

Liquid-Crystal Polymers

N.A. Platé
Liquid Crystal Polymers Book PDF

Author : N.A. Platé
Publisher : Springer Science & Business Media
Page : 446 pages
File Size : 44,9 Mb
Release : 2013-11-11
Category : Science
ISBN : 9781489911032

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Liquid-Crystal Polymers by N.A. Platé Pdf

Drawing a picture of the current situation of this new field, this volume both summarizes the past achievements and analyzes the present unsolved problems.

Rheology and Processing of Liquid Crystal Polymers

Domenico Acierno,A.A. Collyer
Rheology and Processing of Liquid Crystal Polymers Book PDF

Author : Domenico Acierno,A.A. Collyer
Publisher : Springer Science & Business Media
Page : 331 pages
File Size : 40,8 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.

Liquid Crystals In Complex Geometries

G P Crawford,S Zumer
Liquid Crystals In Complex Geometries Book PDF

Author : G P Crawford,S Zumer
Publisher : CRC Press
Page : 526 pages
File Size : 55,7 Mb
Release : 1996-04-29
Category : Science
ISBN : 9781482272796

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Liquid Crystals In Complex Geometries by G P Crawford,S Zumer Pdf

Focusing on the applied and basic aspects of confined liquid crystals, this book provides a current treatise of the subject matter and places it in the broader context of electrooptic applications.