The Optimization of Alternating Current Electrospun PA 6 Solutions Using a Visual Analysis System
Abstract
:1. Introduction
2. Materials and Methods
2.1. Materials
2.2. Preparation of Solutions
2.3. Electrode System and High Voltage
2.4. High-Speed Camera and Light
2.5. Data Collection and Evaluation
2.6. Morphology Analysis
3. Results
3.1. AC Electrospinning Driven by the Sine Wave
3.2. AC Electrospinning Driven by the Step Function
4. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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PA 6 | PA 6 + H2SO4 (0.2 mol/L) | PA 6 + CH3SO3H (0.37 mol/L) | ||||
---|---|---|---|---|---|---|
Sine function (polarity) | + | − | + | − | + | − |
Spinning time (ms) | 4.6 | 5.1 | 6.4 | 6.2 | 6.1 | 5.8 |
Standard deviation (ms) | 1.2 | 0.5 | 0.3 | 0.4 | 0.5 | 0.7 |
Spinning time (%) | 46 | 51 | 64 | 62 | 61 | 58 |
Step function (polarity) | + | − | + | − | + | − |
Spinning time (ms) | 8.2 | 7.6 | 9.4 | 9.6 | 9.6 | 9.3 |
Standard deviation (ms) | 1.0 | 1.3 | 0.3 | 0.3 | 0.1 | 0.2 |
Spinning time (%) | 82 | 76 | 94 | 96 | 96 | 93 |
Frequency (Hz) | 50 | 100 | 150 |
---|---|---|---|
Productivity sine wave (g/h) | 1.51 | 2.86 | 4.46 |
Productivity step function (g/h) | 2.73 | 4.51 | 6.15 |
Solution | Basic | Basic + H2SO4 | Basic + CH3SO3H | |||
---|---|---|---|---|---|---|
Signal | Sinus | Step | Sinus | Step | Sinus | Step |
Average diameter (nm) | 265 | 257 | 517 | 480 | 501 | 521 |
Standard deviation (nm) | 79 | 104 | 215 | 185 | 205 | 225 |
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Kalous, T.; Holec, P.; Erben, J.; Bilek, M.; Batka, O.; Pokorny, P.; Chaloupek, J.; Chvojka, J. The Optimization of Alternating Current Electrospun PA 6 Solutions Using a Visual Analysis System. Polymers 2021, 13, 2098. https://doi.org/10.3390/polym13132098
Kalous T, Holec P, Erben J, Bilek M, Batka O, Pokorny P, Chaloupek J, Chvojka J. The Optimization of Alternating Current Electrospun PA 6 Solutions Using a Visual Analysis System. Polymers. 2021; 13(13):2098. https://doi.org/10.3390/polym13132098
Chicago/Turabian StyleKalous, Tomas, Pavel Holec, Jakub Erben, Martin Bilek, Ondrej Batka, Pavel Pokorny, Jiri Chaloupek, and Jiri Chvojka. 2021. "The Optimization of Alternating Current Electrospun PA 6 Solutions Using a Visual Analysis System" Polymers 13, no. 13: 2098. https://doi.org/10.3390/polym13132098