Tuning the Size of Thermoresponsive Poly(N-Isopropyl Acrylamide) Grafted Silica Microgels
Abstract
:1. Introduction
2. Results and Discussion
2.1. Characterization of the Silica Core
2.2. Temperature Behaviour of the Hybrid Hydrogel
2.2.1. Sample SiPN-1
2.2.2. Sample SiPN-2
2.2.3. Sample SiPN-3
2.3. Discussion
3. Conclusions
4. Materials and Methods
4.1. Materials
4.2. Synthesis
4.2.1. TPM-Grafted Silica Particles
4.2.2. pNipam-Grafted Silica Microgels
SiPN-1
SiPN-2
SiPN-3
4.3. Characterization Methods
Supplementary Materials
Acknowledgments
Author Contributions
Conflicts of Interest
References
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Name | Ethanol | NH3 (A) | TEOS | NH3 (B) | TPM |
---|---|---|---|---|---|
mL | mL | mL | mL | mL | |
Si-1 | 200 | 15 | 5 | 10 | 1 |
Si-2 | 450 * | 20 | 7.5 | 15 | 2 |
Si-3 | 750 | 35 | 5 | 10 | 1 |
Chemical | Nipam mmol | BIS mmol |
---|---|---|
First addition | 17.67 | 0.57 |
Second addition | 17.67 | 0.57 |
Third addition | 17.67 | 0.65 |
sum | 53.01 | 1.79 |
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Nun, N.; Hinrichs, S.; Schroer, M.A.; Sheyfer, D.; Grübel, G.; Fischer, B. Tuning the Size of Thermoresponsive Poly(N-Isopropyl Acrylamide) Grafted Silica Microgels. Gels 2017, 3, 34. https://doi.org/10.3390/gels3030034
Nun N, Hinrichs S, Schroer MA, Sheyfer D, Grübel G, Fischer B. Tuning the Size of Thermoresponsive Poly(N-Isopropyl Acrylamide) Grafted Silica Microgels. Gels. 2017; 3(3):34. https://doi.org/10.3390/gels3030034
Chicago/Turabian StyleNun, Nils, Stephan Hinrichs, Martin A. Schroer, Dina Sheyfer, Gerhard Grübel, and Birgit Fischer. 2017. "Tuning the Size of Thermoresponsive Poly(N-Isopropyl Acrylamide) Grafted Silica Microgels" Gels 3, no. 3: 34. https://doi.org/10.3390/gels3030034