The Influence of Mucin-Based Artificial Saliva on Properties of Polycaprolactone and Polylactide
Abstract
:1. Introduction
2. Materials and Methods
2.1. PCL and PLA Preparation for Degradation Studies
2.2. Degree of Swelling, Weight Loss, and CLSM Observations
2.3. Molecular Weight
2.4. Differential Scanning Calorimetry (DSC) and Degree of Crystallinity
2.5. Thermogravimetry (TG) and Activation Energy
2.6. Hardness and Tensile Strength
2.7. Atomic Force Microscopy Measurments
3. Results and Discussion
3.1. Degree of Swelling, Weight Loss, and CLSM Observations
3.2. Molecular Weight
3.3. Thermal Studies
3.4. Mechanical Tests
3.5. AFM Measurments
4. Summary and Conclusions
Author Contributions
Funding
Conflicts of Interest
References
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Designation | Material | Medium | Temperature (°C) | Ph |
---|---|---|---|---|
PCL/PBS/37/7 | PCL | PBS | 37 | 7.4 |
PCL/PBS/37/2 | PCL | PBS | 37 | 2 |
PCL/PBS/42/7 | PCL | PBS | 42 | 7.4 |
PCL/PBS/42/2 | PCL | PBS | 42 | 2 |
PCL/AS/37/7 | PCL | Artificial saliva | 37 | 7.4 |
PCL/AS/37/2 | PCL | Artificial saliva | 37 | 2 |
PCL/AS/42/7 | PCL | Artificial saliva | 42 | 7.4 |
PCL/AS/42/2 | PCL | Artificial saliva | 42 | 2 |
PLA/PBS/37/7 | PLA | PBS | 37 | 7.4 |
PLA/PBS/37/2 | PLA | PBS | 37 | 2 |
PLA/PBS/42/7 | PLA | PBS | 42 | 7.4 |
PLA/PBS/42/2 | PLA | PBS | 42 | 2 |
PLA/AS/37/7 | PLA | Artificial saliva | 37 | 7.4 |
PLA/AS/37/2 | PLA | Artificial saliva | 37 | 2 |
PLA/AS/42/7 | PLA | Artificial saliva | 42 | 7.4 |
PLA/AS/42/2 | PLA | Artificial saliva | 42 | 2 |
Sample | Tg (°C) | Tc (°C) | Tm (°C) | Xc (%) | TDS (°C) | TDE (°C) | Ea (kJ/mol) |
---|---|---|---|---|---|---|---|
PCL | −65.2 | 37.5 | 54 | 59.3 | 360.6 | 450.9 | 221.2 |
PCL/PBS/37/7 | −70.6 | 36.4 | 54.8 | 59.6 | 361.4 | 450.6 | 218.8 |
PCL/PBS/37/2 | −65.3 | 36.1 | 53.5 | 59.9 | 365.2 | 436.7 | 174.4 |
PCL/PBS/42/7 | −65.3 | 35.5 | 53.2 | 65.5 | 365.6 | 433.3 | 183.8 |
PCL/PBS/42/2 | −69.95 | 35.1 | 53.5 | 63.6 | 367.1 | 433.2 | 160.3 |
PCL/AS/37/7 | −78.3 | 36.7 | 53.8 | 57.8 | 364.3 | 426.8 | 162.7 |
PCL/AS/37/2 | −79.7 | 36.8 | 53.8 | 59.0 | 366.4 | 434.9 | 181.3 |
PCL/AS/42/7 | −79.4 | 36.4 | 53.4 | 60.0 | 365.3 | 434.1 | 177.6 |
PCL/AS/42/2 | −82.2 | 36.7 | 53.1 | 61.5 | 366.4 | 434.4 | 177.9 |
PLA | 48.5 | 107.7 | 146.7 | 2.6 | 324.2 | 388.7 | 190.2 |
PLA/PBS/37/7 | 46.8 | 96.9 | 143.7 | 3.2 | 319.8 | 385.9 | 163.0 |
PLA/PBS/37/2 | 47.1 | 97.6 | 145.6 | 3.1 | 319.7 | 385.2 | 140.4 |
PLA/PBS/42/7 | 41.1 | 103.5 | 134.5 | 2.8 | 316.9 | 384.7 | 154.2 |
PLA/PBS/42/2 | 41.6 | 100 | 135.5 | 2.6 | 316.6 | 384.4 | 144.0 |
PLA/AS/37/7 | 47.3 | 96.6 | 144.2 | 3.1 | 308.9 | 378.5 | 158.2 |
PLA/AS/37/2 | 46.5 | 99.2 | 141.7 | 3.5 | 318.0 | 385.1 | 170.1 |
PLA/AS/42/7 | 45.7 | 99.3 | 140.2 | 4.2 | 314.1 | 382.1 | 157.1 |
PLA/AS/42/2 | 47.5 | 95 | 145.3 | 4.6 | 310.7 | 383.0 | 177.2 |
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Łysik, D.; Mystkowska, J.; Markiewicz, G.; Deptuła, P.; Bucki, R. The Influence of Mucin-Based Artificial Saliva on Properties of Polycaprolactone and Polylactide. Polymers 2019, 11, 1880. https://doi.org/10.3390/polym11111880
Łysik D, Mystkowska J, Markiewicz G, Deptuła P, Bucki R. The Influence of Mucin-Based Artificial Saliva on Properties of Polycaprolactone and Polylactide. Polymers. 2019; 11(11):1880. https://doi.org/10.3390/polym11111880
Chicago/Turabian StyleŁysik, Dawid, Joanna Mystkowska, Grzegorz Markiewicz, Piotr Deptuła, and Robert Bucki. 2019. "The Influence of Mucin-Based Artificial Saliva on Properties of Polycaprolactone and Polylactide" Polymers 11, no. 11: 1880. https://doi.org/10.3390/polym11111880