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炭黑/碳纳米管混合填料对三元乙丙橡胶复合材料在高压氢气环境下物理和力学性能的协同效应

The Synergistic Effect of Carbon Black/Carbon Nanotube Hybrid Fillers on the Physical and Mechanical Properties of EPDM Composites after Exposure to High-Pressure Hydrogen Gas.

作者信息

Kang Hyunmin, Bae Jongwoo, Lee Jinhyok, Yun Yumi, Jeon Sangkoo, Chung Nakkwan, Jung Jaekap, Baek Unbong, Lee Jihun, Kim Yewon, Choi Myungchan

机构信息

Elastic Material Research Group, Korea Institute of Materials Convergence Technology, Busan 47154, Republic of Korea.

Hydrogen Energy Group, Korea Research Institute of Standards and Science, Daejeon 34113, Republic of Korea.

出版信息

Polymers (Basel). 2024 Apr 11;16(8):1065. doi: 10.3390/polym16081065.

DOI:10.3390/polym16081065
PMID:38674985
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11054514/
Abstract

This study investigated the synergistic effect of carbon black/multi-wall carbon nanotube (CB/MWCNT) hybrid fillers on the physical and mechanical properties of Ethylene propylene diene rubber (EPDM) composites after exposure to high-pressure hydrogen gas. The EPDM/CB/CNT hybrid composites were prepared by using the EPDM/MWCNT master batch (MB) with 10 phr CNTs to enhance the dispersion of CNTs in hybrid composites. The investigation included a detailed analysis of cure characteristics, crosslink density, Payne effect, mechanical properties, and hydrogen permeation properties. After exposure to 96.3 MPa hydrogen gas, the hydrogen uptake and the change in volume and mechanical properties of the composites were assessed. We found that as the MWCNT volume fraction in fillers increased, the crosslink density, filler-filler interaction, and modulus of hybrid composites increased. The hydrogen uptake and the solubility of the composites decreased with an increasing MWCNT volume fraction in fillers. Moreover, after exposure to hydrogen gas, the change in volume and mechanical properties exhibited a diminishing trend with a higher MWCNT volume fraction. We conclude that the hybridization of CB and CNTs formed strong filler-filler networks in hybrid composites, consequently reinforcing the EPDM composites and enhancing the barrier properties of hydrogen gas.

摘要

本研究调查了炭黑/多壁碳纳米管（CB/MWCNT）混合填料对高压氢气作用后乙丙二烯橡胶（EPDM）复合材料物理和力学性能的协同效应。通过使用含有10份每百份橡胶（phr）碳纳米管的EPDM/MWCNT母料（MB）制备EPDM/CB/CNT混合复合材料，以提高碳纳米管在混合复合材料中的分散性。研究包括对硫化特性、交联密度、佩恩效应、力学性能和氢气渗透性能的详细分析。在暴露于96.3兆帕氢气后，评估了复合材料的吸氢量以及体积和力学性能的变化。我们发现，随着填料中MWCNT体积分数的增加，混合复合材料的交联密度、填料-填料相互作用和模量增加。随着填料中MWCNT体积分数的增加，复合材料的吸氢量和溶解度降低。此外,在暴露于氢气后，MWCNT体积分数较高时，体积和力学性能的变化呈减小趋势。我们得出结论，CB和CNT的杂化在混合复合材料中形成了强大的填料-填料网络，从而增强了EPDM复合材料并提高了氢气阻隔性能。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8fa9/11054514/0b58d0bdbf00/polymers-16-01065-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8fa9/11054514/4194b4866443/polymers-16-01065-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8fa9/11054514/873eda7abf01/polymers-16-01065-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8fa9/11054514/158409077d2a/polymers-16-01065-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8fa9/11054514/3659c69d0914/polymers-16-01065-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8fa9/11054514/b4cfcb62f197/polymers-16-01065-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8fa9/11054514/f8e633470f69/polymers-16-01065-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8fa9/11054514/bcb02b09fa1d/polymers-16-01065-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8fa9/11054514/98fcd545b4b7/polymers-16-01065-g008a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8fa9/11054514/0b58d0bdbf00/polymers-16-01065-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8fa9/11054514/4194b4866443/polymers-16-01065-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8fa9/11054514/873eda7abf01/polymers-16-01065-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8fa9/11054514/158409077d2a/polymers-16-01065-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8fa9/11054514/3659c69d0914/polymers-16-01065-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8fa9/11054514/b4cfcb62f197/polymers-16-01065-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8fa9/11054514/f8e633470f69/polymers-16-01065-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8fa9/11054514/bcb02b09fa1d/polymers-16-01065-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8fa9/11054514/98fcd545b4b7/polymers-16-01065-g008a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/8fa9/11054514/0b58d0bdbf00/polymers-16-01065-g009.jpg

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