A Novel Method for the Preparation of Poly (Acrylamide-co-Acrylonitrile) Upper Critical Solution Temperature Thermosensitive Hydrogel by the Partial Dehydration of Acrylamide Grafted Polypropylene Sheets
Abstract
:1. Introduction
2. Experiment
2.1. Chemicals and Materials
2.2. Irradiation
2.3. Grafting Procedure
2.4. Dehydration
2.5. Analytical Techniques
2.5.1. ATR-FTIR Spectroscopy
2.5.2. Contact Angle Test
2.5.3. Atomic Force Microscope (AFM)
2.5.4. Quartz Crystal Microbalance (QCM)
2.5.5. Cytotoxicity Test
3. Results and Discussion
3.1. Grafting Reaction
3.2. Effects of the Absorbed Dose of the Pre-Irradiated PP Sheet, Reaction Temperature, and Monomer Concentration on the Degree of Grafting
3.3. Dehydration of PP-g-PAAm into PP-g-P (AAm-co-AN)
3.4. Effect of the SOCl2 Ratio in DMF/SOCl2 on the Dehydration of AAm
4. UCST Test
5. Cytotoxicity Studies
6. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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AN (%) | UCST (°C) |
---|---|
16.22 | 25.5 |
20.14 | 30.5 |
22.86 | 32.5 |
26.53 | 40.5 |
30.66 | 49.5 |
31.93 | 54.5 |
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Ling, Y.; Chen, L.; Huang, M.; Zhou, C.; Yang, L.; Niu, H.; Su, L.; Yang, Y.; Pirraco, R.P.; Reis, R.L.; et al. A Novel Method for the Preparation of Poly (Acrylamide-co-Acrylonitrile) Upper Critical Solution Temperature Thermosensitive Hydrogel by the Partial Dehydration of Acrylamide Grafted Polypropylene Sheets. Gels 2022, 8, 345. https://doi.org/10.3390/gels8060345
Ling Y, Chen L, Huang M, Zhou C, Yang L, Niu H, Su L, Yang Y, Pirraco RP, Reis RL, et al. A Novel Method for the Preparation of Poly (Acrylamide-co-Acrylonitrile) Upper Critical Solution Temperature Thermosensitive Hydrogel by the Partial Dehydration of Acrylamide Grafted Polypropylene Sheets. Gels. 2022; 8(6):345. https://doi.org/10.3390/gels8060345
Chicago/Turabian StyleLing, Yi, Liuyuchen Chen, Mingjun Huang, Cheng Zhou, Liming Yang, Hejingying Niu, Li Su, Yuejiao Yang, Rogério P. Pirraco, Rui L. Reis, and et al. 2022. "A Novel Method for the Preparation of Poly (Acrylamide-co-Acrylonitrile) Upper Critical Solution Temperature Thermosensitive Hydrogel by the Partial Dehydration of Acrylamide Grafted Polypropylene Sheets" Gels 8, no. 6: 345. https://doi.org/10.3390/gels8060345