Effects of Surface Functional Groups on the Adhesion of SiO2 Nanospheres to Bio-Based Materials
Abstract
:1. Introduction
2. Experiments
2.1. Materials and Methods
2.2. Preparation of Organically Modified Silica Rose Fragrance Nanospheres
2.3. Characterization of the Morphology and Chemical Structure of Modified SiO2 Nanospheres
2.4. Application of Modified SiO2 Nanospheres on Leather
2.5. Characterization of Aromatic Leather
2.6. Interaction Between Modified SiO2 Nanospheres and Leather
3. Results and Discussion
3.1. Preparation of Modified SiO2 Nanospheres Using the Sol-Gel Method
3.2. Morphology Analysis of Modified SiO2 Nanospheres
3.3. Fourier Infrared Spectrum and XRD Study of Modified SiO2 Nanospheres
3.4. Morphology Analysis of Modified SiO2 Nanospheres Leather
3.5. Thermogravimetric Analysis and Sensory Evaluation
3.6. Adsorption Isotherm
4. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Agent | Chemical Construction | Relative Molecular Mass |
---|---|---|
TEOS | 208 | |
APTES | 221 | |
MPTES | 238 | |
GPTES | 278 |
Silane Coupling Agent | Mass Before Adsorption (g) | Mass After Adsorption (g) | Δ (g) | Adsorption Capacity (mg/g) |
---|---|---|---|---|
APTES | 2.6846 | 2.8165 | 0.1319 | 26.5760 |
MPTES | 2.8559 | 2.9800 | 0.1241 | 15.3520 |
GPTES | 2.9367 | 3.1000 | 0.1633 | 34.2577 |
Evaluator | APTES-Modified SiO2 Nanospheres Leather | MPTES-Modified SiO2 Nanospheres Leather | GPTES-Modified SiO2 Nanospheres Leather |
---|---|---|---|
1 | 7.0 | 5.0 | 9.0 |
2 | 6.0 | 5.0 | 9.0 |
3 | 8.0 | 6.0 | 8.0 |
4 | 9.0 | 7.0 | 9.0 |
5 | 8.0 | 4.0 | 9.0 |
6 | 9.0 | 6.0 | 8.0 |
7 | 8.0 | 7.0 | 9.0 |
8 | 7.0 | 6.0 | 8.0 |
9 | 8.0 | 7.0 | 9.0 |
10 | 8.0 | 6.0 | 9.0 |
Average score | 7.8 | 5.9 | 8.7 |
Nanospheres | KD (mol2kJ−2) | E (kJ/mol) | Beer–Lambert Standard Curve R2 | Dubinin–Radushkevich Adsorption Isotherm R2 |
---|---|---|---|---|
APTES | 0.27839 | 1.34016 | 0.99340 | 0.99710 |
MPTES | 0.52825 | 0.97289 | 0.99757 | 0.99023 |
GPTES | 0.11411 | 2.09326 | 0.99340 | 0.99083 |
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Xiao, Z.; Xu, J.; Niu, Y.; Zhu, G.; Kou, X. Effects of Surface Functional Groups on the Adhesion of SiO2 Nanospheres to Bio-Based Materials. Nanomaterials 2019, 9, 1411. https://doi.org/10.3390/nano9101411
Xiao Z, Xu J, Niu Y, Zhu G, Kou X. Effects of Surface Functional Groups on the Adhesion of SiO2 Nanospheres to Bio-Based Materials. Nanomaterials. 2019; 9(10):1411. https://doi.org/10.3390/nano9101411
Chicago/Turabian StyleXiao, Zuobing, Jing Xu, Yunwei Niu, Guangyong Zhu, and Xingran Kou. 2019. "Effects of Surface Functional Groups on the Adhesion of SiO2 Nanospheres to Bio-Based Materials" Nanomaterials 9, no. 10: 1411. https://doi.org/10.3390/nano9101411