Synergistical Performance Modification of Epoxy Resin by Nanofillers and Carboxyl-Terminated Liquid Nitrile–Butadiene Rubber
Abstract
:1. Introduction
2. Materials and Sample Preparation
2.1. Materials
2.2. Sample Preparation
2.3. Performance Measurement
3. Results and Discussion
3.1. Microstructure and Microcrack Development
3.2. Thermal Properties Analysis
3.2.1. Glass Transition Temperature
3.2.2. Thermal Conductivity
3.3. Dielectric Properties Analysis
3.3.1. AC Conductivity
3.3.2. Relative Permittivity and Dielectric Loss
3.3.3. Dielectric Relaxation
4. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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Sample Type | Epoxy | Epoxy/CTBN | Epoxy/CTBN/Al2O3 | Epoxy/CTBN/BN |
---|---|---|---|---|
Tg /°C | 152.00 [12] | 146.74 | 142.81 | 138.84 |
Relaxation Parameters | Epoxy/CTBN | Epoxy/CTBN/Al2O3 | Epoxy/CTBN/BN | |
---|---|---|---|---|
Relaxation strength | Peak1 | 0.505 | 0.508 | 0.461 |
Peak2 | 1.282 | 2.803 | 2.814 | |
Peak3 | None | 0.048 | 0.532 | |
Relaxation time | Peak1 | 0.146 | 0.036 | 0.117 |
Peak2 | 8.94 × 10−10 | 1.67 × 10−8 | 1.43 × 10−7 | |
Peak3 | None | 0.207 | 0.968 | |
DC-conductivity | 1.21 × 10−13 S·m−1 | 1.60 × 10−13 S·m−1 | 1.42 × 10−12 S·m−1 | |
β | Peak1 | 0.974 | 0.936 | 0.873 |
Peak2 | 0.199 | 0.197 | 0.202 | |
Peak3 | None | 1 | 0.839 | |
γ | Peak1 | 0.877 | 1 | 1 |
Peak2 | 1 | 0.243 | 0.191 | |
Peak3 | None | 0.95 | 1 |
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Liu, Y.; Yao, L.; Bu, Y.; Sun, Q. Synergistical Performance Modification of Epoxy Resin by Nanofillers and Carboxyl-Terminated Liquid Nitrile–Butadiene Rubber. Materials 2021, 14, 4601. https://doi.org/10.3390/ma14164601
Liu Y, Yao L, Bu Y, Sun Q. Synergistical Performance Modification of Epoxy Resin by Nanofillers and Carboxyl-Terminated Liquid Nitrile–Butadiene Rubber. Materials. 2021; 14(16):4601. https://doi.org/10.3390/ma14164601
Chicago/Turabian StyleLiu, Yuanjin, Lixiao Yao, Yue Bu, and Qing Sun. 2021. "Synergistical Performance Modification of Epoxy Resin by Nanofillers and Carboxyl-Terminated Liquid Nitrile–Butadiene Rubber" Materials 14, no. 16: 4601. https://doi.org/10.3390/ma14164601