Abstract
An introduction to liquid crystallinity (W Brostow). A brief history of MLCs and PLCs. Mesophases and their types. Heterogeneous composites, molecular composites and PLCs. The nature of liquid crystallinity. Phases of liquid crystals. Classification of PLCs. Molecular structures, properties and packing. From structures to applications. Characterization of mesophases (C Noel). Typical molecular structures. Mesophases of rod-like molecules. Textures and polymorphism of LC polymers. Miscibility tests. X-ray diffraction patterns. Conformation of LCPs as revealed by small-angle scattering methods. NMR studies of thermotropic polymers (F Laupretre). NMR investigation of oriental conformational phenomena in mesomorphic polymers. NMR investigation of local dynamics in mesomorphic polymers. NMR investigation of slow motions in mesomorphic polymers. Dielectric relaxation in macromolecular liquid crystals (J K Moscicki). Principles of dielectric relaxation spectroscopy. Dielectric spectroscopy of liquid crystals. Dielectric relaxation in polymers. Dielectric spectroscopy of liquid crystal polymers. Lyotropic side chain polymer liquid crystals (P J Hall and G J T Tiddy). Physical properties of surfactants. Synthesis of lyotropic side chain polymer liquid crystals. Phase behaviour of lyotropic side chain polymer liquid crystals. Polymerization in oriented monolayers and vesicles. Lyotropic main chain liquid crystal polymers (M G Northolt and D J Sikkema). Introduction and synthetic aspects. Order in lyotropic polymer solutions. Morphology of fibres and films. Mechanical and thermal properties. Thermotropic side chain liquid cyrstal polymers (D J Simmonds). General structural features. Structure-property correlations. Copolymers. Synthesis of comb and parallel systems. Applications and applicable materials. Thermotropic main chain liquid crystal polymers (W A MacDonald). Design of thermotropic main chain LCPs. Synthesis of thermotropic main chain LCPs. Characterization and morphology of thermotropic main chain LCPs. Properties of thermotropic main chain LCPs. Applications. Conclusions. Applications of LCP materials (J-F Jansson). Injection-moulded products. Extruded LCP rods and profiles. Oriented sheets and films. Thermoforming and blow moulding. Matrix materials for composites. Fibres. Coatings.
Published Version
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