Hybrid Polymer-Network Hydrogels with Tunable Mechanical Response
Abstract
:1. Introduction
2. Materials and Methods
2.1. General Remarks
2.2. Synthesis
2.3. Oscillatory Shear Rheology
2.4. Static Light Scattering
3. Results and Discussion
3.1. Polymer Synthesis and Hybrid Network Formation
3.2. Gel-Network Mechanics
3.3. Network Nanostructures
4. Conclusions
Acknowledgments
Author Contributions
Conflicts of Interest
Abbreviations
PEG | poly(ethylene glycol) |
PVA | poly(vinylalcohol) |
PDMS | poly(dimethylsiloxane) |
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Metal ion | K (L2·mol−2) | Kdiss. (s−1) |
---|---|---|
Zn2+ | 2.2 × 1012 | 0.25 (at 10 °C) |
Co2+ | 7.2 × 1010 | 1.1 × 10−3 (at 25 °C) |
Mn2+ | 1.3 × 107 | 1.4 (at 10 °C) |
Sample | GP (Pa) | GP* (Pa) |
---|---|---|
covalent crosslinked gel | 840 | n/a |
Zn2+-hybrid gel | 1,840 | 850 |
Co2+-hybrid gel | 1,470 | not accessible |
Mn2+-hybrid gel | not accessible | not accessible |
Sample | γyield (%) | γrupture (%) |
---|---|---|
covalent crosslinked gel | 180 | 460 |
Zn2+-hybrid gel | 150 | 535 |
Co2+-hybrid gel | 100 | 625 |
Mn2+-hybrid gel | 250 | 460 |
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Czarnecki, S.; Rossow, T.; Seiffert, S. Hybrid Polymer-Network Hydrogels with Tunable Mechanical Response. Polymers 2016, 8, 82. https://doi.org/10.3390/polym8030082
Czarnecki S, Rossow T, Seiffert S. Hybrid Polymer-Network Hydrogels with Tunable Mechanical Response. Polymers. 2016; 8(3):82. https://doi.org/10.3390/polym8030082
Chicago/Turabian StyleCzarnecki, Sebastian, Torsten Rossow, and Sebastian Seiffert. 2016. "Hybrid Polymer-Network Hydrogels with Tunable Mechanical Response" Polymers 8, no. 3: 82. https://doi.org/10.3390/polym8030082