Preparation and Physicochemical Properties of Blend Films of Feather Keratin and Poly(vinyl alcohol) Compatibilized by Tris(hydroxymethyl)aminomethane
Abstract
:1. Introduction
2. Materials and Methods
2.1. Materials
2.2. Extraction of Feather Keratin (FK)
2.3. Preparation of the FK/PVA/Tris Films
2.4. Preparation of the Control Films
2.5. Characterization
3. Results and Discussion
3.1. Morphology of the Films
3.2. FTIR Analysis
3.3. XRD Analysis
3.4. Mechanical Properties
3.5. Moisture Sensitivity of the Blend Films
3.6. Barrier Properties of the Prepared Films
3.6.1. Water Vapor Permeability (WVP)
3.6.2. Oxygen Permeability (OP)
4. Conclusions
5. Patents
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Sample | α-Helix (%) | β-Turn (%) | β-Sheet (%) | Random Coil (%) |
---|---|---|---|---|
P-0-30 | 13.98 | 24.3 | 39.55 | 19.89 |
P-10-30 | 13.8 | 23.87 | 40.43 | 19.89 |
P-20-30 | 14.1 | 23.63 | 39.77 | 20.3 |
P-30-30 | 14.89 | 26.36 | 36.53 | 20.49 |
P-40-30 | 14.78 | 26.8 | 36.14 | 20.65 |
P-50-30 | 15.66 | 26.29 | 35.62 | 21.51 |
Sample | Elastic Modulus (MPa) | Elongation at Break (%) | Tensile Strength (MPa) | Thickness (mm) |
---|---|---|---|---|
P-10-30 | 493.66 ± 21.98 | 1.75 ± 0.35 | 7.03 ± 0.68 | 0.1 ± 0.005 |
P-20-30 | 324.41 ± 16.75 | 2 ± 0 | 5.07 ± 0.1 | 0.117 ± 0.004 |
P-30-30 | 327.97 ± 38.95 | 7 ± 0.71 | 8.98 ± 0.07 | 0.094 ± 0.002 |
P-40-30 | 311.33 ± 25.05 | 23.67 ± 3.53 | 8.12 ± 0.59 | 0.081 ± 0.003 |
P-50-30 | 214.55 ± 16.13 | 179.83 ± 9.11 | 9.52 ± 1.07 | 0.08 ± 0.004 |
P-40-15 | 2007.31 ± 38.76 | 1.5 ± 0 | 22.89 ± 0.22 | 0.067 ± 0.002 |
P-40-20 | 742.74 ± 45.86 | 2.67 ± 0.16 | 12.2 ± 0.87 | 0.076 ± 0.008 |
P-40-25 | 416.78 ± 17.34 | 10.83 ± 1.01 | 9.58 ± 0.37 | 0.087 ± 0.004 |
P-40-30 | 311.33 ± 25.05 | 23.67 ± 3.53 | 8.12 ± 0.59 | 0.081 ± 0.004 |
P-40-40 | 422.16 ± 45.12 | 16.67 ± 0.91 | 5.92 ± 0.2 | 0.103 ± 0.003 |
G-40-0 | 1257.18 ± 28.58 | 1.5 ± 0 | 8.95 ± 0.01 | 0.081 ± 0 |
G-40-15 | 15.81 ± 5.19 | 262 ± 0.71 | 3.87 ± 0.27 | 0.081 ± 0.006 |
Sample | WVP (×10−12 g·cm−1·s−1·Pa−1) | OP (×10−5 cm3·m−2·d−1·Pa−1) |
---|---|---|
P-10-30 | – | – |
P-20-30 | 2.74 ± 0.16 | – |
P-30-30 | 3 ± 0.26 | – |
P-40-30 | 3.36 ± 0.18 | 7.907 ± 0.35 |
P-50-30 | 3.68 ± 0.1 | 3.214 ± 0.26 |
P-40-15 | 1.47 ± 0.08 | 5786 ± 6.7 |
P-40-20 | 1.87 ± 0.11 | 28.72 ± 1.2 |
P-40-25 | 3.09 ± 0.1 | 11.78 ± 0.65 |
P-40-30 | 3.36 ± 0.18 | 7.907 ± 0.35 |
P-40-40 | 2.66 ± 0.09 | 13.78 ± 1.08 |
G-40-0 | 1.7 ± 0.05 | – |
G-40-15 | 3.43 ± 0.14 | – |
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Chen, X.; Wu, S.; Yi, M.; Ge, J.; Yin, G.; Li, X. Preparation and Physicochemical Properties of Blend Films of Feather Keratin and Poly(vinyl alcohol) Compatibilized by Tris(hydroxymethyl)aminomethane. Polymers 2018, 10, 1054. https://doi.org/10.3390/polym10101054
Chen X, Wu S, Yi M, Ge J, Yin G, Li X. Preparation and Physicochemical Properties of Blend Films of Feather Keratin and Poly(vinyl alcohol) Compatibilized by Tris(hydroxymethyl)aminomethane. Polymers. 2018; 10(10):1054. https://doi.org/10.3390/polym10101054
Chicago/Turabian StyleChen, Xunjun, Shufang Wu, Minghao Yi, Jianfang Ge, Guoqiang Yin, and Xinming Li. 2018. "Preparation and Physicochemical Properties of Blend Films of Feather Keratin and Poly(vinyl alcohol) Compatibilized by Tris(hydroxymethyl)aminomethane" Polymers 10, no. 10: 1054. https://doi.org/10.3390/polym10101054