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Study on Electromagnetic Properties of Graphite/Graphene/Silver-Coated Copper Powder Monolayer Coated Composites

Yuanjun Liu
Yuanjun Liu
, 
Xiaohui Han
Xiaohui Han
, 
Wenli Bao
Wenli Bao
, 
Xiongwei Ding
Xiongwei Ding
 y 
Xiaoming Zhao
Xiaoming Zhao
   | 19 abr 2023
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Article Category: Research Article
Publicado en línea: 19 abr 2023
Páginas: 83 - 90
DOI: https://doi.org/10.2478/ftee-2023-0009
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© 2023 Łukasiewicz Research Network-Łódź Institute of Technology, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Fig. 1.

Influence of the content of functional particles on the real part of the dielectric constant of the single-layer coated composites
Influence of the content of functional particles on the real part of the dielectric constant of the single-layer coated composites

Fig. 2.

Influence of the content of functional particles on the imaginary part of single-layer coated composites
Influence of the content of functional particles on the imaginary part of single-layer coated composites

Fig. 3.

Influence of the content of functional particles on the loss tangent value of the single-layer coated composites
Influence of the content of functional particles on the loss tangent value of the single-layer coated composites

Fig. 4.

Influence of the content of functional particles on the reflection loss of the single-layer coated composites
Influence of the content of functional particles on the reflection loss of the single-layer coated composites

Fig. 5.

Influence of the content of functional particles on the shielding effectiveness of the single-layer coated composites
Influence of the content of functional particles on the shielding effectiveness of the single-layer coated composites

Main experimental chemicals

Experimental materials Specification The manufacturer
Graphite powder Q/HG3991-88 Tianjin Fengchuan Chemical Reagent Technology Co., Ltd
Graphene 5~15μm Tianjin Kairuisi Fine Chemical Co., Ltd
Silver-coated copper powder P-30 Shenzhen Changxinda Shielding Material Co., Ltd
Polyurethane PU-2540 Guangzhou Yuheng Environmental Protection Materials Co., Ltd
Thickener 7011 Guangzhou Dianmu Composite Materials Business Department
Slurry defoaming agent 5020 Jiangsu Hengyu Chemical Industry Group Co., Ltd

Main test instruments

The Instrument Specification The manufacturer
High-temperature blast drying oven DGG-9148A Shanghai Aozhen Instrument Manufacturing Co., Ltd
Coating machine LTE Werner Mathis, Switzerland
Digital viscometer SNB-2 Shanghai Hengping Instrument And Meter Factory
Digital fabric thickness gauge YG141D Laizhou Electronic Instrument Co., Ltd
Dielectric spectrometer BDS50 Novocontrol Gmbh, Germany
Vector network analyzer ZNB40 Rohde Schwarz, Germany

Process parameters of different contents of functional particles

Number Content of functional particles (%) Ratio of the graphite/graphene/silver-coated copper powder Stirring time (min) Viscosity (mPa·s) Thickness (mm) Drying temperature (°C) Drying time (min)
1 0 6:3:1 30 30000 1.0 80 30
2 12 6:3:1 30 30000 1.0 80 30
3 24 6:3:1 30 30000 1.0 80 30
4 36 6:3:1 30 30000 1.0 80 30
5 48 6:3:1 30 30000 1.0 80 30
6 60 6:3:1 30 30000 1.0 80 30
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Temas de la revista:
Business and Economics, Business Management, Business Informatics, Process Management, Industrial Chemistry, Cellulose, Paper and Textiles, Polymer Science and Technology, Materials Sciences, Biomaterials and Natural Materials
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