Surface Wettability and Coating Performance of Plasma-Treated Wood-Based Composite Panels
Abstract
:1. Introduction
2. Materials and Methods
2.1. Sample Preparation
2.2. Plasma Treatment
2.3. Coating
2.4. Fourier Transform Infrared (FTIR) Spectroscopy
2.5. X-ray Photoelectron Spectroscopy (XPS)
2.6. Surface Wettability
2.7. Surface Roughness
2.8. Adhesion Strength
2.9. Scratch Adhesion
2.10. Statistical Analysis
3. Results and Discussion
3.1. Chemical Structure of Plasma-Treated Panels
3.2. Surface Characteristics
3.3. Coating Performance
4. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Plasma Condition | Coating | ||
---|---|---|---|
Treatment Code | Distance (mm) | Energy (kW) | |
Control 1 | - | - | - |
Control 2 | - | - | Epoxy |
E10D1 | 10 | 10 | - |
E10D2 | 20 | 10 | - |
E10D3 | 30 | 10 | - |
E15D1 | 10 | 15 | - |
E15D2 | 20 | 15 | - |
E15D3 | 30 | 15 | - |
E20D1 | 10 | 20 | - |
E20D2 | 20 | 20 | - |
E20D3 | 30 | 20 | - |
CE10D1 | 10 | 10 | Epoxy |
CE10D2 | 20 | 10 | Epoxy |
CE10D3 | 30 | 10 | Epoxy |
CE15D1 | 10 | 15 | Epoxy |
CE15D2 | 20 | 15 | Epoxy |
CE15D3 | 30 | 15 | Epoxy |
CE20D1 | 10 | 20 | Epoxy |
CE20D2 | 20 | 20 | Epoxy |
CE20D3 | 30 | 20 | Epoxy |
Grading | Description | Removed Area (%) |
---|---|---|
5B | The square edges are perfectly smooth, and none of the lattice squares are disconnected | 0% |
4B | Small flakes of the coating are dislodged at intersections, affecting less than 5% of the surface | <5% |
3B | Small flakes of coating are separated around the borders and at cut intersections | 5%–15% |
2B | Along the margins and on several of the squares, the coating has flaked | 15%–35% |
1B | The coating has peeled around the borders of the broad ribbon cuts, and entire squares have separated | 35%–65% |
0B | Across the coating, there is severe flaking and peeling | >65% |
Sample | C (%) | O (%) | C1 (atm.%) | C2 (atm.%) | C3 (atm.%) | C4 (atm.%) |
---|---|---|---|---|---|---|
Control 1 PB | 83.5 | 14.4 | 67.1 | 15.9 | 9.3 | 7.7 |
Plasma-treated PB | 75.7 | 23.5 | 61.3 | 20.5 | 10.3 | 7.9 |
Control 1 MDF | 87.1 | 10.3 | 68.5 | 15.1 | 8.8 | 7.6 |
Plasma-treated MDF | 73.9 | 24.9 | 60.4 | 22.2 | 9.6 | 7.8 |
Sample Codes | Grades | |
---|---|---|
PB | MDF | |
Control 2 | 2B | 4B |
CE10D1 | 3B | 5B |
CE10D2 | 3B | 5B |
CE10D3 | 3B | 5B |
CE15D1 | 3B | 5B |
CE15D2 | 3B | 5B |
CE15D3 | 3B | 5B |
CE20D1 | 3B | 5B |
CE20D2 | 3B | 5B |
CE20D3 | 3B | 5B |
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Gholamiyan, H.; Ashouri, J.; Ahmadi, P.; Hosseinpourpia, R. Surface Wettability and Coating Performance of Plasma-Treated Wood-Based Composite Panels. Coatings 2022, 12, 1894. https://doi.org/10.3390/coatings12121894
Gholamiyan H, Ashouri J, Ahmadi P, Hosseinpourpia R. Surface Wettability and Coating Performance of Plasma-Treated Wood-Based Composite Panels. Coatings. 2022; 12(12):1894. https://doi.org/10.3390/coatings12121894
Chicago/Turabian StyleGholamiyan, Hadi, Javad Ashouri, Peyman Ahmadi, and Reza Hosseinpourpia. 2022. "Surface Wettability and Coating Performance of Plasma-Treated Wood-Based Composite Panels" Coatings 12, no. 12: 1894. https://doi.org/10.3390/coatings12121894