Overview

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.

Full Product Details

Author:   Witold Brostow
Publisher:   Springer-Verlag New York Inc.
Imprint:   Springer-Verlag New York Inc.
Edition:   Softcover reprint of the original 1st ed. 1998
Volume:   3
Dimensions:   Width: 15.50cm , Height: 2.80cm , Length: 23.50cm
Weight:   0.825kg
ISBN:  

9781461376576

ISBN 10:   1461376572
Pages:   520
Publication Date:   23 February 2014
Audience:   Professional and scholarly ,  Professional & Vocational
Format:   Paperback
Publisher's Status:   Active
Availability:   Manufactured on demand  
We will order this item for you from a manufactured on demand supplier.

Table of Contents

One Formation of Polymer Liquid Crystals.- 1 Creation of liquid crystalline phases: a comparative view emphasizing structure and shape of monomer liquid crystals.- 2Inorganic polymer liquid crystals.- 3 Design of polymer liquid crystals with non-covalent bonds.- 4 Morphology of thermotropic longitudinal polymer liquid crystals.- 5 Polymer liquid crystals in solution.- 2 Thermophysical Properties.- 6 Memory effects in polymer liquid crystals: influence of thermal history on phase behavior.- 7 Longitudinal polymer liquid crystal + engineering polymer blends: miscibility and crystallization phenomena.- 8 Thermal expansivity.- Three Mechanical Properties.- 9 Phase diagrams of polymer liquid crystals and polymer liquid crystal blends: relation to mechanical properties.- 10 Development and relaxation of orientation in pure polymer liquid crystals and blends.- 11 Flow-induced phenomena of lyotropic polymer liquid crystals: the negative normal force effect and bands perpendicular to shear.- 12 Creep and stress relaxation.- 13 Thermoreversible gelation of rigid rod-like and semirigid polymers.- 14 Elastic moduli of polymer liquid crystals.- 15 Computer simulations.

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