Influence of Ionomer and Cyanuric Acid on Antistatic, Mechanical, Thermal, and Rheological Properties of Extruded Carbon Nanotube (CNT)/Polyoxymethylene (POM) Nanocomposites
Abstract
:1. Introduction
2. Experimental
2.1. Materials
2.2. Extrusion and Injection Processing
2.3. Characterization
2.3.1. Scanning Electron Microscopy (SEM)
2.3.2. Differential scanning calorimetry (DSC)
2.3.3. Thermogravimetric Analysis (TGA)
2.3.4. Dynamic Mechanical Analysis (DMA)
2.3.5. Tensile Test
2.3.6. Izod Impact Strength Test
2.3.7. Melt Flow Index (MFI) Test
2.3.8. Rheological Properties
2.3.9. Transmission Electron Microscopy (TEM)
2.3.10. Fourier Transform Infrared (FTIR) Spectroscopy
3. Results and Discussion
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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CNT (wt%) | 0 | 0.5 | 1.0 | 1.5 | 2.0 |
---|---|---|---|---|---|
Tm (°C) | 165.4 | 167.0 | 165.7 | 167.8 | 168.6 |
ΔHm (J/g) | 159.9 | 157.5 | 159.4 | 161.4 | 170.8 |
Tc (°C) | 137.2 | 141.0 | 142.8 | 141.1 | 140.9 |
ΔHc (J/g) | 153.9 | 153.6 | 148.2 | 153.0 | 159.6 |
χc (%) * | 63.5 | 62.2 | 62.7 | 63.2 | 66.5 |
Td (°C) | 287.3 | 287.2 | 287.8 | 267.8 | 266.1 |
CNT (wt%) | 0.0 | 0.5 | 1.0 | 1.5 | 2.0 | |
---|---|---|---|---|---|---|
Tβ (°C) | G” | −30.6 | −4.3 | −30.1 | −22.1 | −22.5 |
Tan δ | −11.7 | 1.5 | −9.6 | −8.5 | −13.2 | |
Tα (°C) | G” | 93.3 | 97.8 | 100.5 | 99.9 | 98.3 |
Tan δ | 114.8 | 120.8 | 123.1 | 125.7 | 125.1 |
Content (wt%) * | 0.0 | 0.5 | 1.0 | 2.0 | 3.0 | 5.0 | |
---|---|---|---|---|---|---|---|
Tm (°C) | Ionomer | 167.7 | 166.6 | 168.0 | 167.2 | 166.1 | 166.3 |
Cyanuric acid | 169.3 | 167.8 | 167.0 | 167.6 | 168.1 | ||
∆Hm (J/g) | Ionomer | 161.4 | 168.7 | 181.3 | 164.2 | 159.7 | 181.0 |
Cyanuric acid | 157.4 | 152.1 | 182.2 | 178.7 | 160.5 | ||
Tc (°C) | Ionomer | 141.1 | 142.2 | 142.83 | 140.2 | 148.0 | 143.1 |
Cyanuric acid | 136.6 | 139.3 | 137.2 | 139.7 | 133.6 | ||
∆Hc (J/g) | Ionomer | 153.0 | 155.9 | 175.5 | 152.6 | 143.5 | 163.4 |
Cyanuric acid | 149.8 | 138.4 | 169.6 | 166.0 | 151,1 | ||
χc (%) * | Ionomer | 63.2 | 65.6 | 70.2 | 62.9 | 60.6 | 67.2 |
Cyanuric acid | 61.3 | 58.9 | 69.8 | 67.8 | 59.6 | ||
Td (°C) | Ionomer | 267.8 | 285.7 | 280.1 | 279.9 | 275.7 | 284.2 |
Cyanuric acid | 296.9 | 293.7 | 289.7 | 250.7 | 253.6 |
Content (wt%) | None | C1.5 | C1.5 I3.0 | C1.5 A0.5 | C1.5 I3.0 A0.5 |
---|---|---|---|---|---|
Tm (°C) | 165.4 | 167.7 | 166.2 | 169.3 | 170.2 |
∆Hm (J/g) | 159.9 | 161.4 | 159.7 | 157.4 | 149.8 |
Tc (℃) | 137.2 | 141.1 | 148.0 | 136.6 | 150.3 |
∆Hc (J/g) | 153.9 | 153.0 | 143.5 | 149.8 | 137.4 |
χc (%) * | 63.5 | 63.2 | 60.6 | 61.3 | 56.5 |
Td (°C) | 287.3 | 267.8 | 275.7 | 296.9 | 281.8 |
Contents (wt%) | 0.0 | 0.5 | 1.0 | 2.0 | 3.0 | 5.0 | ||
---|---|---|---|---|---|---|---|---|
Tβ (°C) | G” | Ionomer | −22.1 | −21.3 | −33.5 | −10.9 | −14.3 | −28.5 |
Cyanuric acid | −22.1 | −24.9 | −12.8 | −5.6 | −0.43 | 0.6 | ||
Tan δ | Ionomer | −8.8 | −8.4 | −12.5 | −0.1 | 1.2 | −5.2 | |
Cyanuric acid | −8.8 | −4.1 | 1.3 | 3.7 | 4.7 | 9.5 | ||
Tα (°C) | G” | Ionomer | 99.9 | 100.0 | 100.7 | 97.9 | 97.3 | 95.5 |
Cyanuric acid | 99.9 | 99.2 | 99.7 | 97.3 | 97.8 | 96.4 | ||
Tan δ | Ionomer | 125.7 | 120.3 | 123.1 | 123.6 | 121.2 | 122.3 | |
Cyanuric acid | 125.7 | 120.2 | 123.0 | 119.3 | 119.4 | 118.9 |
Contents (wt%) | None | C1.5 | C1.5 I3.0 | C1.5 A0.5 | C1.5 I3.0 A0.5 | |
---|---|---|---|---|---|---|
Tβ (°C) | G” | −30.6 | −22.1 | −14.3 | −24.9 | −7.4 |
Tan δ | −11.7 | −8.5 | 1.2 | −4.1 | −11.7 | |
Tα (°C) | G” | 93.3 | 99.9 | 98.0 | 100.0 | 97.5 |
Tan δ | 114.8 | 125.7 | 123.1 | 125.7 | 122.0 |
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Yun, S.-S.; Shin, D.-h.; Jang, K.-S. Influence of Ionomer and Cyanuric Acid on Antistatic, Mechanical, Thermal, and Rheological Properties of Extruded Carbon Nanotube (CNT)/Polyoxymethylene (POM) Nanocomposites. Polymers 2022, 14, 1849. https://doi.org/10.3390/polym14091849
Yun S-S, Shin D-h, Jang K-S. Influence of Ionomer and Cyanuric Acid on Antistatic, Mechanical, Thermal, and Rheological Properties of Extruded Carbon Nanotube (CNT)/Polyoxymethylene (POM) Nanocomposites. Polymers. 2022; 14(9):1849. https://doi.org/10.3390/polym14091849
Chicago/Turabian StyleYun, Sang-Seok, Dong-hyeok Shin, and Keon-Soo Jang. 2022. "Influence of Ionomer and Cyanuric Acid on Antistatic, Mechanical, Thermal, and Rheological Properties of Extruded Carbon Nanotube (CNT)/Polyoxymethylene (POM) Nanocomposites" Polymers 14, no. 9: 1849. https://doi.org/10.3390/polym14091849