Tunable Electrical Conductivity of Carbon-Black-Filled Ternary Polymer Blends by Constructing a Hierarchical Structure
Abstract
:1. Introduction
2. Materials and Methods
2.1. Materials
2.2. Preparation of the Composites
2.3. Characterization
3. Results and Discussion
3.1. Predictions of Blend Morphology and CB Localization
3.2. Experimental Evidence for Blend Morphology and CB Localization
3.3. Percolation and Morphology Development as a Function of CB Content
3.4. Conductive Networks Formed in Ternary Blends of Different Compositions
3.5. Mechanism of the Conductive Network Formation
4. Conclusions
Author Contributions
Conflicts of Interest
References
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Components | γ (20 °C) (mJ/m2) | γ (200 °C) (mJ/m2) | γd (200 °C) (mJ/m2) | γp (200 °C) (mJ/m2) | −dγ/dT mJ/(m2°C) |
---|---|---|---|---|---|
POM [30] | 44.6 | 30.7 | 21.0 | 9.7 | 0.077 |
COPA | 47.4 | 32.6 | 29.1 | 3.5 | 0.082 |
TPU [31] | 44.0 | 30.3 | 22.5 | 7.8 | 0.076 |
CB [32,33] | 98.1 | 87.3 | 84.1 | 3.2 | 0.060 |
Component couple | Interfacial tension (mJ/m2) | Spreading coefficient (mJ/m2) | Wetting coefficient for CB | Localization |
---|---|---|---|---|
POM-COPA | 4.2 | λPOM/TPU/COPA = 1.5 | ωPOM/COPA = –3.4 | COPA Phase |
POM-TPU | 0.3 | λPOM/COPA/TPU = −6.4 | ωPOM/TPU = –13.3 | TPU Phase |
COPA-TPU | 2.5 | λTPU/POM/COPA = −2.0 | ωTPU/COPA = −4.4 | COPA Phase |
POM-CB | 41.2 | |||
COPA-CB | 26.7 | |||
TPU-CB | 37.5 |
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Zhang, Q.; Zhang, B.-Y.; Guo, Z.-X.; Yu, J. Tunable Electrical Conductivity of Carbon-Black-Filled Ternary Polymer Blends by Constructing a Hierarchical Structure. Polymers 2017, 9, 404. https://0-doi-org.brum.beds.ac.uk/10.3390/polym9090404
Zhang Q, Zhang B-Y, Guo Z-X, Yu J. Tunable Electrical Conductivity of Carbon-Black-Filled Ternary Polymer Blends by Constructing a Hierarchical Structure. Polymers. 2017; 9(9):404. https://0-doi-org.brum.beds.ac.uk/10.3390/polym9090404
Chicago/Turabian StyleZhang, Qiyan, Bo-Yuan Zhang, Zhao-Xia Guo, and Jian Yu. 2017. "Tunable Electrical Conductivity of Carbon-Black-Filled Ternary Polymer Blends by Constructing a Hierarchical Structure" Polymers 9, no. 9: 404. https://0-doi-org.brum.beds.ac.uk/10.3390/polym9090404