Comparison of the Characteristics of Recycled Carbon Fibers/Polymer Composites by Different Recycling Techniques
Abstract
:1. Introduction
2. Results and Discussion
2.1. Characteristics of the CFRPs Acquired through the Studied Recycling Techniques
2.2. Physical Characteristics of the Various RCF-Reinforced Composites
2.3. Thermal and Electrical Properties of RCF-Reinforced Composites
3. Materials and Methods
3.1. Materials
3.2. Sample Preparation
3.3. Characterization of Samples
3.4. Measurement of Physical Properties
4. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
Sample Availability
References
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Property | Units | Sample Name | ||
---|---|---|---|---|
SC-RCF | * SHS-RCF | * CF(T700) | ||
Tensile strength | GPa | 3.42 | 3.88 | 4.28 |
Interfacial shear strength | MPa | 33.62 | 47.06 | 39.19 |
Oxygen content | % | 13.37 | 14.29 | 8.79 |
Polarity value | mN/m | - | 12.52 | 5.66 |
Surface free energy | mN/m | - | 35.35 | 27.77 |
Property | Units | Sample Name | |
---|---|---|---|
PE/SHS-RCF | PE/CF | ||
Heat conductivity | W/mK | 1.87 | 1.76 |
Resistivity | Ω·cm | 3.2 × 10−3 | 1.5 × 10−2 |
Sample Name | Filler Type | LDPE (g) | Filler (g) | Temperature (°C) | Mix (rpm) | Time (min) |
---|---|---|---|---|---|---|
PE/SW | CFRP scrap wastes | 150 | 30 | 130 | 70 | 30 |
PE/SC-RCF | Recycled CFs(supercritical) | |||||
PE/SHS-RCF | Recycled CFs (superheated steam) | |||||
PE/CF | T-700 CFs |
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Kim, K.-W.; Kim, D.-K.; Han, W.; Kim, B.-J. Comparison of the Characteristics of Recycled Carbon Fibers/Polymer Composites by Different Recycling Techniques. Molecules 2022, 27, 5663. https://doi.org/10.3390/molecules27175663
Kim K-W, Kim D-K, Han W, Kim B-J. Comparison of the Characteristics of Recycled Carbon Fibers/Polymer Composites by Different Recycling Techniques. Molecules. 2022; 27(17):5663. https://doi.org/10.3390/molecules27175663
Chicago/Turabian StyleKim, Kwan-Woo, Dong-Kyu Kim, Woong Han, and Byung-Joo Kim. 2022. "Comparison of the Characteristics of Recycled Carbon Fibers/Polymer Composites by Different Recycling Techniques" Molecules 27, no. 17: 5663. https://doi.org/10.3390/molecules27175663