Kaliappan, Senthil Kumar: Characterization of physical properties of polymers using AFM force-distance curves. 2007
Inhalt
- Abstract
- Zussamenfassung
- Acknowledgements
- List of Symbols
- List of Abbreviations
- Table of Contents
- 1. Introduction
- 2. Glass Transition Temperature and Viscoelastic Behavior of Polymers
- 2.1. The glass transition temperature Tg
- 2.2. Viscoelastic properties of polymers
- 2.3. Sub-Tg relaxations in polymers
- 2.4. Determination of glass transition temperature
- 2.5. Physical aging and cooling rate dependency of Tg
- 2.6. Dependence of Tg on molecular architecture
- 3. Atomic Force Microscope (AFM)
- 3.1 Fundamental principles of AFM
- 3.2. AFM force-distance curves
- 3.3. Analysis of contact regime
- 3.4. Calibration
- 3.5. Force volume measurements
- 4. Experimental Section
- 4.1. Polymers and chemicals
- 4.2. Preparation of polymer films from solutions
- 4.3. Preparation of model polymer blend films
- 4.4. AFM measurements
- 4.5. Dynamic mechanical analysis
- 4.6. Broadband spectroscopy
- 5. Analysis of Mechanical Properties of Amorphous Polymers
- 5.1. Deformations and yielding of PnBMA and PS
- 5.2. Hyperbolic fit
- 5.3. Determination of Tg and mechanical properties of PnBMA
- 5.4. Mechanical properties and Tg of polystyrene samples
- 6. Thermomechanical Properties of a Model Polymer Blend
- 6.1. Plastic deformations and yielding of PnBMA and PS
- 6.2. Comparison of Young’s moduli of PnBMA and PS
- 6.3. Mechanical properties in the vicinity of the interface
- 6.4. Anomalous behavior in the vicinity of the interface
- 7. Conclusion
- Reference