| TABLE OF CONTENTS |
|---|
| 1. | Introduction | 1-2 |
| 2. | Potential Solvents for Prepolymer Mixing Process | 2-5 |
| 3. | DMBA as the Ionic Source | 5-6 |
| 4. | Preneutralizing DMPA | 7 |
| 5. | Acetone versus NMP in PUD Synthesis | 7-11 |
| 5.1 | Dispersion Characteristics | 7 |
| 5.2 | Polymer Characteristics | 9 |
| 5.3 | Film Formation and Films | 10-11 |
| 6. | Conclusion | 13 |
| 7. | Literature | 13 |
| 8. | Figures | |
| 8.1 | Schematic Drawing of the Acetone Process | 4 |
| 8.2 | Schematic Drawing of the Prepolymer Mixing Process | 4 |
| 8.3 | PUD Made from DMBA and DMPA | 6 |
| 8.4 | Elongation of PUDs Made from DMBA and BMPA | 6 |
| 8.5 | Particle Size Distribution (Integral) | 8 |
| 8.6 | DSC Plots from Dried Samples A, B and C, 4th Heating Cycle | 9 |
| 8.7 | Molecular Weight Distribution of Different Samples A, B and C | 10 |
| 8.8 | Elongation at Break and Tear Strength of Sample A and C. | 10 |
| 8.9 | Co-solvent Demand for Film Formation @ 4ºC on Oak in a One Component Formulation | 11 |
| 9. | Tables | |
| 9.1 | Hansen Parameters of Selected Solvents | 3 |
| 9.2 | Physical Properties of Solvent Free and NMP Containing Dispersions | 8 |
| 9.3 | Selected Properties of One Component Coatings from Solvent Free PUDs | 12 |
| 9.4 | Cosolvent Demand for One and Two Component Formulations on Different Substrates at 4°C | 12 |
