Poly(vinyl alcohol) Nanocomposites Reinforced with Bamboo Charcoal Nanoparticles: Mineralization Behavior and Characterization
Abstract
:1. Introduction
2. Results and Discussion
2.1. Characterization of BCNPs
2.2. Characterization of PVA/BCNP Nanocomposite Membranes
2.2.1. Surface Morphology of PVA and PVA/BCNP Nanocomposite Membranes
2.2.2. ATR-FTIR Analysis of PVA and PVA/BCNP Nanocomposites
2.2.3. XRD Analysis of PVA and PVA/BCNP Nanocomposites
2.2.4. Thermal Properties of PVA and PVA/BCNP Nanocomposite Membranes
Sample | Pyrolytic Temperature (°C) | Tc (°C) | Tm (°C) | ∆Hc (J/g) | Crystallinity Xc (%) | |
---|---|---|---|---|---|---|
Tonset | Tp | |||||
PVA | 122.9 | 303.7 | 186.28 | 220.99 | 3.641 | 2.6 |
PB1 | 130.1 | 304.3 | 198.93 | 224.35 | 58.57 | 42.7 |
PB5 | 139.8 | 311.5 | 192.78 | 221.99 | 13.09 | 9.9 |
PB10 | 138.4 | 318.0 | 196.76 | 224.84 | 13.46 | 10.8 |
PB20 | 121.8 | 338.5 | 190.61 | 221.54 | 4.986 | 4.5 |
2.2.5. Mechanical Properties of PVA and PVA/BCNP Nanocomposites
Sample | Tensile Strength (MPa) | Elongation at Break (%) |
---|---|---|
PVA | 13.8 ± 0.9 | 305.0 ± 61.1 |
PB1 | 19.0 ± 0.9 * | 369.0 ± 25.4 |
PB5 | 12.9 ± 1.8 | 336.9 ± 46.3 |
PB10 | 15.8 ± 1.3 | 305.0 ± 96.1 |
PB20 | 14.9 ± 1.8 | 303.4 ± 63.9 |
2.2.6. Swelling Properties of PVA and PVA/BCNP Nanocomposite Hydrogels
2.2.7. Free Radical Scavenging Effects of Nanocomposites
2.2.8. Far Infrared Ray Emission Measurement of PVA/BCNP Nanocomposites
2.3. Biocompatibility of PVA and PVA/BCNP Nanocomposites
2.4. Biomineralization of PVA and PVA/BCNP Nanocomposite Membranes
3. Materials and Methods
3.1. Preparation of BCNPs
3.2. Preparation of PVA and PVA/BCNP Nanocomposite Membranes
3.3. Characterization of the Nanocomposites
3.3.1. Chemical Analysis
3.3.2. X-ray Diffraction
3.3.3. Surface Morphology
3.3.4. Mechanical Properties of PVA and PVA/BCNP Composite Membranes
3.3.5. Swelling Behaviors of PVA and PVA/BCNP Nanocomposite Membranes in Water and at various pH
3.3.6. Free Radical Scavenging Effects of the PVA and PVA/BCNP Nanocomposites
3.3.7. Far Infrared Ray Emission Test of the PVA and PVA/BCNP Nanocomposites
3.4. Biocompatibility of the PVA and PVA/BCNP Nanocomposites
3.5. Biomineralization of PVA/BCNP Nanocomposites
3.6. Statistical Analysis
4. Conclusions
Acknowledgments
Author Contributions
Supplementary Materials
Conflicts of Interest
References
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Tang, C.-M.; Tian, Y.-H.; Hsu, S.-H. Poly(vinyl alcohol) Nanocomposites Reinforced with Bamboo Charcoal Nanoparticles: Mineralization Behavior and Characterization. Materials 2015, 8, 4895-4911. https://doi.org/10.3390/ma8084895
Tang C-M, Tian Y-H, Hsu S-H. Poly(vinyl alcohol) Nanocomposites Reinforced with Bamboo Charcoal Nanoparticles: Mineralization Behavior and Characterization. Materials. 2015; 8(8):4895-4911. https://doi.org/10.3390/ma8084895
Chicago/Turabian StyleTang, Cheng-Ming, Yi-Hung Tian, and Shan-Hui Hsu. 2015. "Poly(vinyl alcohol) Nanocomposites Reinforced with Bamboo Charcoal Nanoparticles: Mineralization Behavior and Characterization" Materials 8, no. 8: 4895-4911. https://doi.org/10.3390/ma8084895