Optimization of Waterborne Poly(Urethane-Acrylate) Nanoemulsions Based on Cationic Polymerizable Macrosurfactants with Different Hydrophobic Side Chain Length
Abstract
:1. Introduction
2. Experimental
2.1. Materials
2.2. Preparation of PDM-b-PRMA Macrosurfactants through the CCTP Process
2.3. Preparation of WPUA Emulsion Based on PDM-b-PRMA Macrosurfactants
2.4. Characterizations
3. Results and Discussion
3.1. Structural Analysis
3.2. Thermal Behavior
3.3. Solution Property Analysis
3.4. Phase Inversion Analysis of PUA Prepolymer and Application of Cationic Macrosurfactants to WPUA Nanoemulsions
3.5. Water Resistance, Thermal Stability, and Mechanical Properties Analysis
4. Conclusions
Author Contributions
Funding
Conflicts of Interest
References
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Polymer | RMA/g | PDM/g | CoBF Dosage | AIBN/g |
---|---|---|---|---|
PDM-b-PMMA | 10.0 (MMA) | 15.7 | 100 ppm | 0.08 |
PDM-b-PEMA | 11.4 (EMA) | 15.7 | 100 ppm | 0.08 |
PDM-b-PBMA | 14.4 (BMA) | 15.7 | 100 ppm | 0.08 |
PDM-b-POMA | 19.8 (OMA) | 15.7 | 100 ppm | 0.08 |
PDM-b-PLMA | 25.4 (LMA) | 15.7 | 100 ppm | 0.08 |
Sample | Mn | Mw | PDI | Mn′ | X | C | D |
---|---|---|---|---|---|---|---|
PDM | 1200 | 1400 | 1.18 | 1400 | 18.52 | 87.5 | / |
PDM-b-PMMA | 2000 | 2400 | 1.21 | 2400 | 10.54 | 84.4 | 10.00 |
PDM-b-PEMA | 2300 | 2800 | 1.24 | 2700 | 9.28 | 82.6 | 12.28 |
PDM-b-PBMA | 2600 | 3500 | 1.33 | 3200 | 7.85 | 81.1 | 14.79 |
PDM-b-POMA | 3400 | 4900 | 1.42 | 4900 | 5.17 | 69.5 | 17.68 |
PDM-b-PLMA | 4200 | 7000 | 1.67 | 8900 | 2.85 | 47.3 | 22.05 |
PDM-co-PBMA | 12,500 | 23,900 | 1.93 | / | / | / | 158.45 |
Sample | CMC (g/L) | γCMC (mN/m) | Γ (mol/m2) | A (nm2) |
---|---|---|---|---|
PDM-co-PBMA | 0.16 | 37.36 | 0.63 × 10−6 | 2.62 |
PDM-b-PMMA | 0.31 | 35.44 | 1.15 × 10−6 | 1.44 |
PDM-b-PEMA | 0.26 | 35.14 | 1.36 × 10−6 | 1.21 |
PDM-b-PBMA | 0.33 | 33.27 | 2.43 × 10−6 | 0.68 |
PDM-b-POMA | 0.22 | 33.71 | 1.96 × 10−6 | 0.85 |
PDM-b-PLMA | 0.19 | 34.22 | 1.62 × 10−6 | 1.03 |
Sample | The Water Content at PIP | Maximum Solid Content |
---|---|---|
WPUA/PDM-b-PMMA | 60% | 30% |
WPUA/PDM-b-PEMA | 55% | 35% |
WPUA/PDM-b-PBMA | 43% | 40% |
WPUA/PDM-b-POMA | 50% | 35% |
WPUA/PDM-b-PLMA | 55% | 35% |
WPUA/PDM-co-PBMA | 68% | 25% |
Sample | Ra0/nm | Ra/nm |
---|---|---|
WPUA/PDM-b-PBMA | 1.603 | 1.497 |
WPUA/PDM-co-PBMA | 1.542 | 1.164 |
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Fei, G.; Geng, H.; Wang, H.; Liu, X.; Liao, Y.; Shao, Y.; Wang, M. Optimization of Waterborne Poly(Urethane-Acrylate) Nanoemulsions Based on Cationic Polymerizable Macrosurfactants with Different Hydrophobic Side Chain Length. Polymers 2019, 11, 1922. https://doi.org/10.3390/polym11121922
Fei G, Geng H, Wang H, Liu X, Liao Y, Shao Y, Wang M. Optimization of Waterborne Poly(Urethane-Acrylate) Nanoemulsions Based on Cationic Polymerizable Macrosurfactants with Different Hydrophobic Side Chain Length. Polymers. 2019; 11(12):1922. https://doi.org/10.3390/polym11121922
Chicago/Turabian StyleFei, Guiqiang, Huanqiong Geng, Haihua Wang, Xuan Liu, Yong Liao, Yanming Shao, and Mengxi Wang. 2019. "Optimization of Waterborne Poly(Urethane-Acrylate) Nanoemulsions Based on Cationic Polymerizable Macrosurfactants with Different Hydrophobic Side Chain Length" Polymers 11, no. 12: 1922. https://doi.org/10.3390/polym11121922