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Polymer relaxation /
| Clasificación: | Libro Electrónico |
|---|---|
| Otros Autores: | , |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
Hauppauge, N.Y. :
Nova Science Publishers,
c2012.
|
| Colección: | Polymer science and technology.
|
| Temas: | |
| Acceso en línea: | Texto completo |
Tabla de Contenidos:
- POLYMER RELAXATION; POLYMER SCIENCE AND TECHNOLOGY; POLYMER RELAXATION; Library of Congress Cataloging-in-Publication Data; CONTENTS; PREFACE; CHAPTER 2. POLYMERS AT SOLID INTERFACES:NUCLEAR MAGNETIC RESONANCE RELAXATIONAPPROACH; ABSTRACT; INTRODUCTION; CHOICE OF A MODEL SYSTEM AND SUITABLE TECHNIQUE; An Interesting Interface: Poly(Ethylene Oxide) Grafted on Silica; Nuclear Magnetic Resonance Technique; EFFECT OF THE DIPOLAR INTERACTION FOR PEO ANDPRINCIPLES OF NMR APPROACHES; Effect of the Molecular Weight and Relaxation Analysis; Existence of the Residual Dipolar Interaction.
- PRINCIPLES OF NMR APPROACHESTransverse Magnetic Interaction; Effect of the Dipolar Interaction for PEO; STATIC CONFORMATION; Influence of the Grafting Ratio; Influence of the Grafting Ratio on the Relaxation Times; Interpretation of NMR Experiments in Terms of Organization of the GraftedLayers; INFLUENCE OF THE TEMPERATURE; Existence of the Temperature Transition; Behaviour at Low and High Temperature; INVESTIGATION OF THE INFLUENCE OF THE SOLVENT ON THEMOTION AND CONFORMATION; Influence of the Grafting Ratio; Effect of Molecular Weight.
- Influence of the Temperature: Evidence for a Transition TemperatureINVESTIGATION OF RESIDUAL DIPOLAR INTERACTION; Existence of a Residual Dipolar Interaction; High Resolution in PEO Grafted on Silica: Illustrative Experiments; Measure of Residual Dipolar Interaction; Influence of the Grafting Ratio; Evolution of the Pseudo Solid Effect with Temperature; THE DEUTERIUM NMR APPROACH OF THE ANISOTROPY; Effect of the Grafting Ratio; Influence of the Temperature; INVESTIGATION OF LOCAL CHAIN DYNAMICS; MAS TECHNIQUE STUDY; Rotation Effect and Limit Linewidth Study.
- Influence of the Grafting Ratios: Determination of the Correlation TimesSPIN LATTICE RELAXATION TIME STUDY; COMPARISON OF THE CORRELATION TIMES; CONCLUSION; REFERENCES; CHAPTER 3. ELECTROCHEMICAL RELAXATION STUDIES OFPOLYTHIOPHENES; ABSTRACT; 1. INTRODUCTION; 2. EXPERIMENTAL; 2.1. Monomers, Supporting Electrolytes and Solvents; 2.2. Electrosynthesis; 2.3. Electrochemical Techniques; 2.3.1. Potential- Scan Techniques in Stationary Solution; 2.3.2. Galvanostatic (Controlled-Current) and Potentiostatic (Controlled-Potential)Technique; 2.4. Instrumentation; 3. RESULTS AND DISCUSSION.
- 3.1. Electrosynthesis of Polythiophenes3.1.1. Polymerization Techniques and Monomer Concentration; 3.1.2. Effect of Solvent; 3.1.3. Effect of Supporting Electrolyte; 3.1.4. Effect of Temperature; 3.2. Relaxation Measurements for Plythiophenes; 3.2.1. Effect of Potential Sequence; 3.2.2. Effect of Current Density; 3.2.3. Effect of Electrolyte; 3.2.4. Effect of Solvent; 3.2.5. Effect of Temperature; 3.3. Electrosynthesis of poly(Bromothiophene-co-thiophene)[poly(BrT-co-T)]; 3.3.1. Polymerization Techniques and Monomer Concentration; 3.3.2. Effect of Solvent and Supporting Electrolyte.