Dual-Layer Approach toward Self-Healing and Self-Cleaning Polyurethane Thermosets
Abstract
:1. Introduction
2. Experimental Section
2.1. Materials
2.2. Preparation of the Self-Healing Self-Cleaning Polyurethane Coatings
2.3. Characterization
2.3.1. Attenuated Total Reflection-Fourier-Transform Infrared Analysis
2.3.2. X-ray Photoelectron Spectroscopy (XPS)
2.3.3. Validation of the Self-Healing Behavior
2.3.4. Water Contact Angle and Hysteresis
2.3.5. Sliding Contact Angles
2.3.6. Optical Transmittance
2.3.7. Abrasion Tests
3. Results and Discussion
4. Conclusions
Supplementary Materials
Author Contributions
Funding
Conflicts of Interest
References
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Sample Code | Molar Equivalent ratio (PU-prepolymer:Propyl gallate) | PU-prepolymer 75 (mg) | PG (mg) | HDIT (mg) |
---|---|---|---|---|
SCH-1 | 1.0: 1.10 | 2000 | 380 | 140 |
SCH-2 | 1.0: 1.05 | 2000 | 364 | 140 |
SCH-3 | 1.0: 1.00 | 2000 | 350 | 140 |
SCH-4 | 1.0: 0.95 | 2000 | 334 | 140 |
SCH-5 | 1.0: 0.90 | 2000 | 320 | 140 |
SCH-6 | 1.0: 0.85 | 2000 | 304 | 140 |
SCH-7 | 1.0: 0.80 | 2000 | 290 | 140 |
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Naveed, M.; Rabnawaz, M.; Khan, A.; Tuhin, M.O. Dual-Layer Approach toward Self-Healing and Self-Cleaning Polyurethane Thermosets. Polymers 2019, 11, 1849. https://doi.org/10.3390/polym11111849
Naveed M, Rabnawaz M, Khan A, Tuhin MO. Dual-Layer Approach toward Self-Healing and Self-Cleaning Polyurethane Thermosets. Polymers. 2019; 11(11):1849. https://doi.org/10.3390/polym11111849
Chicago/Turabian StyleNaveed, Muhammad, Muhammad Rabnawaz, Ajmir Khan, and Mohammad O. Tuhin. 2019. "Dual-Layer Approach toward Self-Healing and Self-Cleaning Polyurethane Thermosets" Polymers 11, no. 11: 1849. https://doi.org/10.3390/polym11111849