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Macromolecular microsymposia XII and XIII : specially invited lectures presented at the XIIth and XIIIth Microsymposia on Macromolecules at Prague, Czechoslovakia 20-23 and 27-30 August 1973 /
Macromolecular Microsymposia-XII and XIII provides information pertinent to the fundamental aspects of polymers and polymer solutions. This book discusses the structures in polymer solutions and the transformations of functional groups in polymers. Organized into two parts encompassing 15 chapters,...
| Clasificación: | Libro Electrónico |
|---|---|
| Autores Corporativos: | , , , |
| Otros Autores: | |
| Formato: | Electrónico Congresos, conferencias eBook |
| Idioma: | Inglés |
| Publicado: |
London :
Butterworth,
1974.
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| Temas: | |
| Acceso en línea: | Texto completo |
Tabla de Contenidos:
- Front Cover; Macromolecular Microsymposia-XII and XIII; Copyright Page; Table of Contents; PART I: MICROSYMPOSIUM XII ORGANIZED STRUCTURES IN POLYMER SOLUTIONS; CHAPTER 1. ORGANIZED STRUCTURES IN BLOCK COPOLYMERS: STABILITY DOMAIN AND STRUCTURAL STUDY; ABSTRACT; 1 INTRODUCTION; 2 STRUCTURAL DETERMINATION; 3 DOMAINS OF STABILITY OF THE DIFFERENT STRUCTURES; 4 FACTORS GOVERNING THE STRUCTURAL PARAMETERS; 5 STRUCTURAL STUDY OF DRY COPOLYMERS; 6 THEORIES OF THE MORPHOLOGY OF BLOCK COPOLYMERS; 7 CONCLUSION; REFERENCES.
- Chapter 2. the optical properties of anisotropically ordered solutes in cholesteric liquid crystalline mesophasesabstract; introduction; cholesteric liquid crystal induced circular dichroism (lcicd); conclusion; references; chapter 3. thermodynamics and dynamics of polypeptide liquid crystals; abstract; introduction; rigid, impenetrable rod thermodynamics; semiflexible, impenetrable rod thermodynamics; rigid, penetrable rod thermodynamics; liquid crystal-liquid crystal equilibria; nature of the phase transition; dynamics-bulk flow through the narrow biphasic region.
- Dynamics-bulk flow near the transition regiondynamics-individual rod motion; references; chapter 4. recent studies of liquid crystals of biological importance; abstract; thermotropic mesomorphism; effects of water; natural membranes; references; chapter 5. studies on the organized structures in solutions and gels of some synthetic macromolecules; abstract; introduction; structural studies of chain molecules; organized structure induced by polymer-polymer interactions; solvent interactions in systems of organized and random polymers; conclusion; references.
- Chapter 6. theory of nucleation and crystal growth of polymers in concentrated solutionsabstract; a. introduction; b. theory of slow crystallization; c. theory of rapid crystallization; references; chapter 7. pulse-induced critical scattering (pics) from polymer solutions; abstract; 1 introduction; 2 the typical phase diagram; 3 instrumentation and materials; 4 location of critical points (debye et al.)2-4 and spinodal points (scholte); 5 measurements of spinodal points by pics; 6 cloud point determination by the pics instrument; 7 discussion; acknowledgement; references.
- Chapter 8. thermokinet1cs of formation of ordered structures in polymer solutions and gelsabstract; 1 introductory notes; 2 thermodynamic and kinetic stability of aqueous polyvinyl alcohol solutions and non-growing stable crystallization nuclei; 3 'deformation of the binodal' and related critical phenomena; 4 antiplastification' and specific ordered states due to selective polymer-solvent interactions; 5 the nature and some dynamic properties of polymeric liquid crystals; 6 nucleation and crystal growth in the presence of external fields and the equivalence principle of thermokinetics.