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Polymers
Volume 16
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10.3390/polym16020280
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Article

Comparison of Two Methods for Measuring the Temperature Dependence of H2 Permeation Parameters in Nitrile Butadiene Rubber Polymer Composites Blended with Fillers: The Volumetric Analysis Method and the Differential Pressure Method

by
Ji Hun Lee
1,2,†,
Ye Won Kim
1,3,†,
Do Jung Kim
1,
Nak Kwan Chung
1,* and
Jae Kap Jung
1,*
1
Hydrogen Energy Materials Research Team, Korea Research Institute of Standards and Science, Daejeon 34113, Republic of Korea
2
Department of Measurement Science, University of Science and Technology, 217 Gajeong-ro, Yuseong-gu, Daejeon 34113, Republic of Korea
3
Department of Material Science and Engineering, Chungnam National University, 99, Daehak-ro, Yuseong-gu, Daejeon 34134, Republic of Korea
*
Authors to whom correspondence should be addressed.
†
These authors contributed equally to this work.
Polymers 2024, 16(2), 280; https://doi.org/10.3390/polym16020280
Submission received: 22 December 2023 / Revised: 12 January 2024 / Accepted: 18 January 2024 / Published: 19 January 2024
(This article belongs to the Section Polymer Analysis and Characterization)
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Abstract

Hydrogen uptake/diffusivity in nitrile butadiene rubber (NBR) blended with carbon black (CB) and silica fillers was measured with a volumetric analysis method in the 258–323 K temperature range. The temperature-dependent H2 diffusivity was obtained by assuming constant solubility with temperature variations. The logarithmic diffusivity decreased linearly with increasing reciprocal temperature. The diffusion activation energies were calculated with the Arrhenius equation. The activation energies for NBR blended with high-abrasion furnace CB and silica fillers increased linearly with increasing filler content. For NBR blended with medium thermal CB filler, the activation energy decreased with increasing filler content. The activation energy filler dependency is similar to the glass transition temperature filler dependency, as determined with dynamic mechanical analysis. Additionally, the activation energy was compared with that obtained by the differential pressure method through permeability temperature dependence. The same activation energy between diffusion and permeation in the range of 33–39 kJ/mol was obtained, supporting the temperature-independent H2 solubility and H2 physisorption in polymer composites.
Keywords: activation energy; hydrogen diffusion; NBR polymer composites; temperature dependence; volumetric analysis method; differential pressure method activation energy; hydrogen diffusion; NBR polymer composites; temperature dependence; volumetric analysis method; differential pressure method

Correction Statement

This article has been republished with a minor correction to the readability of Figures 6 and 7. This change does not affect the scientific content of the article.

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MDPI and ACS Style

Lee, J.H.; Kim, Y.W.; Kim, D.J.; Chung, N.K.; Jung, J.K. Comparison of Two Methods for Measuring the Temperature Dependence of H2 Permeation Parameters in Nitrile Butadiene Rubber Polymer Composites Blended with Fillers: The Volumetric Analysis Method and the Differential Pressure Method. Polymers 2024, 16, 280. https://doi.org/10.3390/polym16020280

AMA Style

Lee JH, Kim YW, Kim DJ, Chung NK, Jung JK. Comparison of Two Methods for Measuring the Temperature Dependence of H2 Permeation Parameters in Nitrile Butadiene Rubber Polymer Composites Blended with Fillers: The Volumetric Analysis Method and the Differential Pressure Method. Polymers. 2024; 16(2):280. https://doi.org/10.3390/polym16020280

Chicago/Turabian Style

Lee, Ji Hun, Ye Won Kim, Do Jung Kim, Nak Kwan Chung, and Jae Kap Jung. 2024. "Comparison of Two Methods for Measuring the Temperature Dependence of H2 Permeation Parameters in Nitrile Butadiene Rubber Polymer Composites Blended with Fillers: The Volumetric Analysis Method and the Differential Pressure Method" Polymers 16, no. 2: 280. https://doi.org/10.3390/polym16020280

APA Style

Lee, J. H., Kim, Y. W., Kim, D. J., Chung, N. K., & Jung, J. K. (2024). Comparison of Two Methods for Measuring the Temperature Dependence of H2 Permeation Parameters in Nitrile Butadiene Rubber Polymer Composites Blended with Fillers: The Volumetric Analysis Method and the Differential Pressure Method. Polymers, 16(2), 280. https://doi.org/10.3390/polym16020280

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