Influence of the Prepolymer Type and Synthesis Parameters on Self-Healing Anticorrosion Properties of Composite Coatings Containing Isophorone Diisocyanate-Loaded Polyurethane Microcapsules
Abstract
:1. Introduction
2. Materials and Methods
2.1. Materials
2.2. Sample Preparation
2.2.1. Synthesis of TDI-Prepolymers
2.2.2. Synthesis of IPDI-Loaded Polyurethane Microcapsules
2.2.3. Preparation of the Composite Coatings
2.3. Analysis and Measurements
2.3.1. Chemical Properties of the Synthesized Materials
2.3.2. Thermogravimetric Properties of the Materials
2.3.3. Morphological Properties of the Materials
2.3.4. Determination of Self-Healing and Anticorrosion Properties of the Coatings
3. Results and Discussion
3.1. Characterization of Prepolymers
3.2. Characterization of the Microcapsules
3.3. Self-Healing and Anticorrosion Evaluation of the Coatings
4. Conclusions
Supplementary Materials
Author Contributions
Funding
Data Availability Statement
Conflicts of Interest
References
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Sample Abbreviations | Description of the Material |
---|---|
TDIprep_G | Prepolymer prepared from toluene 2,4-diisocyanate and glycerol |
TDIprep_B | Prepolymer prepared from toluene 2,4-diisocyanate and 1,4-butanediol |
TDIprep_H | Prepolymer prepared from toluene 2,4-diisocyanate and 1,6-hexanediol |
xGA_G | Microcapsules loaded with isophorone diisocyanate, prepared from TDIprep_G, chain extender 1,6-hexanediol and various concentration of the stabilizer, GA, where variable x represents the wt% of GA (7, 10 or 17) |
xGA_B | Microcapsules loaded with isophorone diisocyanate, prepared from TDIprep_B, chain extender 1,6-hexanediol and various concentration of the stabilizer, GA, where variable x represents the wt% of GA (7, 10 or 17) |
xGA_H | Microcapsules loaded with isophorone diisocyanate, prepared from TDIprep_H, chain extender 1,6-hexanediol and various concentration of the stabilizer, GA, where variable x represents the wt% of GA (7, 10 or 17) |
Coat_ref | Metal plates coated with coating reference without the microcapsules |
Coat_M | Metal plates coated with composite coatings containing 20 wt% of microcapsules 10GA_G |
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Šobak, M.; Štular, D.; Štirn, Ž.; Žitko, G.; Čelan Korošin, N.; Jerman, I. Influence of the Prepolymer Type and Synthesis Parameters on Self-Healing Anticorrosion Properties of Composite Coatings Containing Isophorone Diisocyanate-Loaded Polyurethane Microcapsules. Polymers 2021, 13, 840. https://doi.org/10.3390/polym13050840
Šobak M, Štular D, Štirn Ž, Žitko G, Čelan Korošin N, Jerman I. Influence of the Prepolymer Type and Synthesis Parameters on Self-Healing Anticorrosion Properties of Composite Coatings Containing Isophorone Diisocyanate-Loaded Polyurethane Microcapsules. Polymers. 2021; 13(5):840. https://doi.org/10.3390/polym13050840
Chicago/Turabian StyleŠobak, Matic, Danaja Štular, Žiga Štirn, Gregor Žitko, Nataša Čelan Korošin, and Ivan Jerman. 2021. "Influence of the Prepolymer Type and Synthesis Parameters on Self-Healing Anticorrosion Properties of Composite Coatings Containing Isophorone Diisocyanate-Loaded Polyurethane Microcapsules" Polymers 13, no. 5: 840. https://doi.org/10.3390/polym13050840