Synthesis of PNIPAAm-g-P4VP Microgel as Draw Agent in Forward Osmosis by RAFT Polymerization and Reverse Suspension Polymerization to Improve Water Flux
Abstract
:1. Introduction
2. Results and Discussion
2.1. Synthesis and Characterization of the PNIPAAm-g-P4VP
2.2. Analysis of Particle Size
2.3. Test and Analysis of Water Flux
3. Materials and Methods
3.1. Materials
3.2. Synthesis of 3-Benzylsulfanylthiocarbonylsufanylpropionic Acid (BSPA)
3.3. Synthesis of Poly(4-vinylpyridine) (P4VP)
3.4. Preparation of PNIPAAm-g-P4VP Polymer Micro-Hydrogel
3.5. Measurement and Characterization
4. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
Sample Availability
References
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Sample Name | P4VP in Feed | NIPAAm | P4VP | NIPAAm: P4VP |
---|---|---|---|---|
(wt%) | (g) | (g) | (Molar Ratio) | |
PNIPAAm | 0 | 1.58(≈1.60) | 0 | - |
PNIPAAm-g-P4VP 5 | 5 | 0.1 | 16:1 | |
PNIPAAm-g-P4VP 10 | 10 | 0.2 | 8:1 (16:2) | |
PNIPAAm-g-P4VP 15 | 15 | 0.3 | 16:3 | |
PNIPAAm-g-P4VP 20 | 20 | 0.4 | 4:1 (16:4) |
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Gao, Y.; Yao, X.; Jiang, Q.; Liao, J.; Chen, Y.; Yu, R. Synthesis of PNIPAAm-g-P4VP Microgel as Draw Agent in Forward Osmosis by RAFT Polymerization and Reverse Suspension Polymerization to Improve Water Flux. Molecules 2022, 27, 3214. https://doi.org/10.3390/molecules27103214
Gao Y, Yao X, Jiang Q, Liao J, Chen Y, Yu R. Synthesis of PNIPAAm-g-P4VP Microgel as Draw Agent in Forward Osmosis by RAFT Polymerization and Reverse Suspension Polymerization to Improve Water Flux. Molecules. 2022; 27(10):3214. https://doi.org/10.3390/molecules27103214
Chicago/Turabian StyleGao, Yi, Xuesong Yao, Qinggeng Jiang, Jianhe Liao, Yongping Chen, and Rentong Yu. 2022. "Synthesis of PNIPAAm-g-P4VP Microgel as Draw Agent in Forward Osmosis by RAFT Polymerization and Reverse Suspension Polymerization to Improve Water Flux" Molecules 27, no. 10: 3214. https://doi.org/10.3390/molecules27103214