Study on Structure, Thermal Behavior, and Viscoelastic Properties of Nanodiamond-Reinforced Poly (vinyl alcohol) Nanocomposites
Abstract
:1. Introduction
2. Materials and Methods
2.1. Materials
2.2. Nanocomposite Preparation
2.3. Characterization
3. Results and Discussions
3.1. Raman Spectroscopy
3.2. SAXS/WAXS
3.3. TEM and FE-SEM
3.4. TGA
3.5. DSC
3.6. Mechanical Properties
4. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Composite Designation | PVA—Dispersion (wt%) | NDs—Dispersion (wt%) | PVA—Film (wt%) | NDs—Film (wt%) |
---|---|---|---|---|
PVA | 5 | 0 | 100 | 0 |
PVA-ND/1 | 5 | 0.25 | 95 | 5 |
PVA-ND/2 | 5 | 1 | 83 | 17 |
PVA-ND/3 | 5 | 1.9 | 72 | 28 |
Composite Designation | TI-ini (°C) | TI-fin (°C) | TII-ini (°C) | TII-fin (°C) | TIII-ini (°C) | TIII-fin (°C) | TIV-ini (°C) | TIV-fin (°C) |
---|---|---|---|---|---|---|---|---|
PVA | 25 | 140 | 200 | 310 | 350 | 530 | - | - |
PVA-ND/1 | 30 | 145 | 190 | 370 | 405 | 510 | 630 | 870 |
PVA-ND/2 | 30 | 140 | 190 | 380 | 415 | 510 | 515 | 750 |
PVA-ND/3 | 35 | 150 | 200 | 390 | 415 | 505 | 510 | 750 |
Tg (°C) | Tm (°C) | ΔH (J/g) | Xc (%) | |
---|---|---|---|---|
PVA | 42.0 | 219.5 | 45.5 | 32.8 |
PVA-ND/1 | 42.6 | 217.1 | 38.5 | 29.2 |
PVA-ND/2 | 43.0 | 218.0 | 29.5 | 25.6 |
PVA-ND/3 | 43.8 | 217.8 | 29.3 | 29.4 |
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Remiš, T.; Bělský, P.; Kovářík, T.; Kadlec, J.; Ghafouri Azar, M.; Medlín, R.; Vavruňková, V.; Deshmukh, K.; Sadasivuni, K.K. Study on Structure, Thermal Behavior, and Viscoelastic Properties of Nanodiamond-Reinforced Poly (vinyl alcohol) Nanocomposites. Polymers 2021, 13, 1426. https://doi.org/10.3390/polym13091426
Remiš T, Bělský P, Kovářík T, Kadlec J, Ghafouri Azar M, Medlín R, Vavruňková V, Deshmukh K, Sadasivuni KK. Study on Structure, Thermal Behavior, and Viscoelastic Properties of Nanodiamond-Reinforced Poly (vinyl alcohol) Nanocomposites. Polymers. 2021; 13(9):1426. https://doi.org/10.3390/polym13091426
Chicago/Turabian StyleRemiš, Tomáš, Petr Bělský, Tomáš Kovářík, Jaroslav Kadlec, Mina Ghafouri Azar, Rostislav Medlín, Veronika Vavruňková, Kalim Deshmukh, and Kishor Kumar Sadasivuni. 2021. "Study on Structure, Thermal Behavior, and Viscoelastic Properties of Nanodiamond-Reinforced Poly (vinyl alcohol) Nanocomposites" Polymers 13, no. 9: 1426. https://doi.org/10.3390/polym13091426