Composite Paints with High Content of Metallic Microparticles for Electromagnetic Shielding Purposes
Abstract
:1. Introduction
2. Materials and Methods
2.1. Preparation of Composite Paints with Metallic Microparticles
2.2. Substrate Materials for Paint Deposition
2.3. Deposition of Paints on Plastic Substrate Samples
2.4. Testing Equipment and Methods
3. Results and Discussion
3.1. Dielectric Tests on Conductive Paints with Additives
3.2. DSC Analysis
3.3. Thickness of the Paint Layers
3.4. Surface Topography (Roughness)
3.5. Comparative Analysis of Dielectric Parameters for M1–M20 Samples
4. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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No. | Characteristic | Unit | Value | Analysis Method |
---|---|---|---|---|
1. | Appearance | – | homogeneous- thixotropic | Visual examination |
2. | Density, at 20 °C | g/cm3 | 1.48/1.72 ± 0.05 | SR EN ISO 2811– 2002 [23] |
3. | Covering power | number of layers | 1–2 | SR ISO 6504–3:2003 [24] |
4. | Specific consumption | g/m2 per layer | 130–180/150–200 | Function of roughness area |
5. | Appearance | – | continuous film, matt | Visual examination |
6. | Drying time: at touch; while recovering | hours | 4/3 10/9 | BS EN 29117:1992 [25] |
No. | Characteristic | Unit | Value | Analysis Method |
---|---|---|---|---|
1. | Appearance | – | homogeneous- thixotropic | Visual examination |
2. | Density, at 20 °C | g/cm3 | 1.88/2.66 ± 0.05 | SR EN ISO 2811– 2002 [23] |
3. | Covering power | number of layers | 1–2 | SR ISO 6504–3:2003 [24] |
4. | Specific consumption | g/m2 per layer | 350–500/450–650 | Function of roughness area |
5. | Appearance | – | continuous film, matt | Visual examination |
6. | Drying time: at touch; while recovering | hours | 3/2 9/8 | BS EN 29117:1992 [25] |
Sample Code | Thickness (µm) |
---|---|
M6 | 19.96 |
M8 | 25.87 |
M10 | 20.49 |
M12 | 26.13 |
M15 | 26.20 |
M19 | 27.58 |
Sample | Ra (µm) | Rq (µm) | Rt (µm) |
---|---|---|---|
PC S with V1/Al | 2.95 | 3.73 | 25.65 |
PP with V1/Al | 4.72 | 5.57 | 30.90 |
PVC with V1/Al | 3.14 | 3.90 | 27.72 |
PC S with V2/Al | 3.78 | 4.82 | 30.90 |
PP with V2/Al | 4.06 | 5.00 | 36.05 |
PVC with V2/Al | 4.00 | 4.99 | 35.52 |
PC S with V1/Fe | 1.01 | 1.25 | 8.39 |
PP with V1/Fe | 1.19 | 1.51 | 9.84 |
PVC with V1/Fe | 1.05 | 1.32 | 8.81 |
PC S with V2/Fe | 1.29 | 1.55 | 10.11 |
PP with V2/Fe | 1.47 | 2.02 | 12.83 |
PVC with V2/Fe | 1.42 | 1.79 | 11.45 |
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Ciobanu, R.C.; Aradoaei, M.; Caramitu, A.R.; Lungu, M.V.; Schreiner, O.D.; Ion, I. Composite Paints with High Content of Metallic Microparticles for Electromagnetic Shielding Purposes. Coatings 2024, 14, 874. https://doi.org/10.3390/coatings14070874
Ciobanu RC, Aradoaei M, Caramitu AR, Lungu MV, Schreiner OD, Ion I. Composite Paints with High Content of Metallic Microparticles for Electromagnetic Shielding Purposes. Coatings. 2024; 14(7):874. https://doi.org/10.3390/coatings14070874
Chicago/Turabian StyleCiobanu, Romeo Cristian, Mihaela Aradoaei, Alina Ruxandra Caramitu, Magdalena Valentina Lungu, Oliver Daniel Schreiner, and Ioana Ion. 2024. "Composite Paints with High Content of Metallic Microparticles for Electromagnetic Shielding Purposes" Coatings 14, no. 7: 874. https://doi.org/10.3390/coatings14070874