Preparation and Surface Characterization of Chitosan-Based Coatings for PET Materials
Abstract
:1. Introduction
2. Results and Discussion
2.1. Langmuir and Langmuir—Blodgett Monolayer Analysis
2.2. XPS Analysis
2.3. AFM Analysis
2.4. TOF-SIMS Analysis
2.4.1. PET and PETair
2.4.2. Films Deposited onto PETair
2.5. Contact Angles (CA) and Surface Free Energy
3. Materials and Methods
3.1. Solution Preparation
3.2. Subphase Solution Preparations
3.3. PET Substrates Modification
3.4. Langmuir Monolayer Formation
3.5. Brewster Angle Microscopy (BAM) Analysis
3.6. Langmuir—Blodgett (LB) Monolayer Formation
3.7. X-ray Photoelectron Spectroscopy (XPS) Analysis
3.8. Atomic Force Microscopy (AFM) Analysis
3.9. Time of Flight Secondary Ion Mass Spectrometry (TOF-SIMS) Analysis
3.10. Contact Angle Measurements (CA)
4. Conclusions
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Subphase | 0.1% AA | 0.1% mg mL−1 Ch | ||||
---|---|---|---|---|---|---|
Monolayer | (nm) | (nm) | (nm) | (nm) | ||
DOPC | 2.0 ± 0.1 | 1.2 ± 0.1 | 1.31 ± 0.05 | 2.0 ± 0.1 | 1.3 ± 0.1 | 2.42 ± 0.06 |
CsA | 1.9 ± 0.1 | 1.0 ± 0.1 | 2.70 ± 0.04 | 1.7 ± 0.1 | 0.9 ± 0.1 | 1.22 ± 0.08 |
DC 0.50 | 1.7 ± 0.1 | 1.1 ± 0.3 | 1.79 ± 0.28 | 1.6 ± 0.1 | 1.0 ± 0.2 | 1.15 ± 0.13 |
DCL 0.25 | 2.0 ± 0.1 | 1.0 ± 0.1 | 0.81 ± 0.27 | 1.8 ± 0.1 | 0.9 ± 0.1 | 1.75 ± 0.20 |
DCL 0.50 | 2.0 ± 0.1 | 1.2 ± 0.1 | 1.07 ± 0.08 | 1.9 ± 0.1 | 0.9 ± 0.2 | 1.21 ± 0.17 |
DCL 0.75 | 2.1 ± 0.1 | 1.2 ± 0.2 | 1.89 ± 0.07 | 2.3 ± 0.1 | 0.8 ± 0.1 | 1.03 ± 0.06 |
LG | 2.1 ± 0.1 | 1.0 ± 0.1 | 2.21 ± 0.08 | 2.5 ± 0.1 | 0.9 ± 0.2 | 1.26 ± 0.21 |
Element | PET | PETair | PETair/AA/DOPC | PETair/Ch | PETair/Ch/DOPC |
---|---|---|---|---|---|
C 1s | 77.7 | 72.2 | 75.8 | 74.2 | 72.4 |
N 1s | 1.0 | 2.7 | - | 0.9 | 3.0 |
O 1s | 21.3 | 25.1 | 23.3 | 24.9 | 23.8 |
P 2p | - | - | 0.8 | - | 0.7 |
Assignment | Identification | |
---|---|---|
16 | PETair | |
17 | PETair | |
28 | PETair | |
30 | PETair | |
32 | PETair | |
34 | PETair | |
42 | PETair | |
86 | PETair | |
102 | PETair | |
113 | PETair | |
130 | PETair | |
155 | PETair | |
193 | PET, PETair |
Assignment | m/z | Identification | References |
---|---|---|---|
104 | DOPC | [59] | |
166 | DOPC | [59] | |
184 | DOPC | [59] | |
153 | LG | [59] | |
170 | LG | [59] | |
171 | LG | [59] | |
100 | CsA | [60] | |
1172 | CsA pseudo-molecular ion | [60] | |
1202 | CsA molecular ion | [60] | |
58 | Chitosan | [61] | |
59 | Chitosan | ||
60 | Chitosan | [53] |
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Szafran, K.; Jurak, M.; Mroczka, R.; Wiącek, A.E. Preparation and Surface Characterization of Chitosan-Based Coatings for PET Materials. Molecules 2023, 28, 2375. https://doi.org/10.3390/molecules28052375
Szafran K, Jurak M, Mroczka R, Wiącek AE. Preparation and Surface Characterization of Chitosan-Based Coatings for PET Materials. Molecules. 2023; 28(5):2375. https://doi.org/10.3390/molecules28052375
Chicago/Turabian StyleSzafran, Klaudia, Małgorzata Jurak, Robert Mroczka, and Agnieszka Ewa Wiącek. 2023. "Preparation and Surface Characterization of Chitosan-Based Coatings for PET Materials" Molecules 28, no. 5: 2375. https://doi.org/10.3390/molecules28052375