Recent Advances in Liquid Crystalline Polymers

ISBN-13: 9789401086868 / Angielski / Miękka / 2011 / 340 str.

L. L. Chapoy

Opis

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.

Spis treści

I: Synthesis, Structure, Properties Relationships.- 1. Synthetic Routes to Liquid Crystalline Polymers.- 2. Chiral Thermotropic Liquid Crystal Polymers.- 3. Solid State Physics of Thermotropic Polyesters: Internal Friction of Mesomorphic Structures.- 4. Thermotropic Liquid Crystal Aromatic Copolyesters Containing Cycloaliphatic Units.- 5. Polymerization of Allyldimethyldodecylammonium Bromide Liquid Crystalline Monomer to Its Liquid Crystalline Polymer.- II: Theory.- 6. Theoretical Basis for Liquid Crystallinity in Polymers.- 7. Nematic Liquid Crystals Formed from Flexible Molecules: a Molecular Field Theory.- 8. Order and Odd-Even Effects in Thermotropic Nematic Polyesters.- III: Characterization.- 9. Structure and Characterization of Thermotropic Liquid Crystalline Polymers.- 10. Observations on the Rheology of Thermotropic Polymer Liquid Crystals.- 11. Rheo-Optical Studies of the Thermotropic Aromatic Copolyesters of Poly(Ethylene Terephthalate) and p-Acetoxybenzoic Acid.- 12. Electron Microscopy of Thermotropic Copolyesters.- 13. Nuclear Spin-Label Studies of Liquid Crystal Polymers.- 14. Viscosity and the Thermodynamic Properties of Liquid Crystalline Polymers with Mesogenic Side Groups.- 15. Measurement of Orientational Order in Liquid Crystalline Samples by NMR Spectroscopy.- 16. Phase Behaviour of Dye-Containing Liquid Crystalline Copolymers and Their Mixtures with Low Molecular Weight Liquid Crystals.- 17. Dielectric Relaxation Measurements and X-ray Investigations of Liquid Crystalline Side-Chain Polymers.- 18. Structural Investigations on Liquid Crystalline Side-Chain Polymers.- 19. Macromolecular Order and Conformation in the Solid and Nematic Phases of Semi-Rigid Polymers and Polymer-Monomer Mixtures—NMR Study.- IV: Applications.- 20. Aramids—Bridging the Gap between Ductile and Brittle Reinforcing Fibres.- 21. Towards a Photoconductive Liquid Crystal: Carbazole-Containing Systems.- 22. Electro-Optic Effects in a Smectogenic Polysiloxane Side-Chain Liquid Crystal Polymer.