Correlation between Pitch Impregnation Pressure and Pore Sizes of Graphite Block
Abstract
:1. Introduction
2. Materials and Methods
2.1. Materials
2.2. Characterization of the Impregnation Pitch
2.3. Impregnation of Bulk Graphite Block
2.4. Density, Porosity, and Impregnation Rate Measurements
2.5. Contact Angle Measurement of the Impregnation Pitch for Surface Energy Evaluation
3. Results and Discussion
3.1. Densities and Porosities of the Graphite Blocks before and after Impregnation
3.2. Calculation of Minimum Impregnatable Pore Size with Various Impregnation Pressures
3.3. Pore Properties of Graphite Blocks before and after Impregnation
4. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Conflicts of Interest
References
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C (%) | 91.87 |
H (%) | 4.53 |
N (%) | 1.24 |
O (%) | 1.36 |
S (%) | 0.64 |
Carbon yield (%) | 39.12 |
Softening point (°C) | 90.00 |
Quinoline insoluble contents (%) | 3.04 |
Quinoline soluble, Toluene insoluble contents (%) | 18.06 |
Toluene soluble contents (%) | 78.87 |
Pressure (bar) | Bulk Density (g/cm3) | Porosity (%) | ||
---|---|---|---|---|
Unimpregnated | Impregnated | Unimpregnated | Impregnated | |
10 | 1.763 | 1.798 | 13.95 | 11.84 |
20 | 1.762 | 1.796 | 14.12 | 11.84 |
30 | 1.760 | 1.798 | 13.93 | 11.30 |
40 | 1.760 | 1.801 | 13.93 | 10.71 |
50 | 1.761 | 1.804 | 13.69 | 10.34 |
Impregnation Pressure (bar) | Total Pore Volume (mL/g) | Ink Bottle Pore Volume (mL/g) | Ink Bottle Pore Fraction (%) |
---|---|---|---|
pristine | 0.10269 | 0.06573 | 64.01 |
10 | 0.10138 | 0.06371 | 62.84 |
20 | 0.10114 | 0.06140 | 60.95 |
30 | 0.09973 | 0.05907 | 59.23 |
40 | 0.09760 | 0.05493 | 59.10 |
50 | 0.09997 | 0.05992 | 58.14 |
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Kim, C.; Kwon, W.; Lee, M.H.; Woo, J.S.; Jeong, E. Correlation between Pitch Impregnation Pressure and Pore Sizes of Graphite Block. Materials 2022, 15, 561. https://doi.org/10.3390/ma15020561
Kim C, Kwon W, Lee MH, Woo JS, Jeong E. Correlation between Pitch Impregnation Pressure and Pore Sizes of Graphite Block. Materials. 2022; 15(2):561. https://doi.org/10.3390/ma15020561
Chicago/Turabian StyleKim, Changkyu, Woong Kwon, Moon Hee Lee, Jong Seok Woo, and Euigyung Jeong. 2022. "Correlation between Pitch Impregnation Pressure and Pore Sizes of Graphite Block" Materials 15, no. 2: 561. https://doi.org/10.3390/ma15020561