Molecular simulation of effect of cross-linking density on the properties of nitrile rubber
Based on molecular dynamics(MD), nitrile rubber(NBR) models with cross-linking densities of 0, 10%, 15% and 20% were established, and the glass transition temperature and mechanical property of the NBR model under different cross-linking densities were predicted.The results showed that the glass tra...
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| Formato: | article |
| Lenguaje: | ZH |
| Publicado: |
Editorial Office of China Synthetic Rubber Industry
2021
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| Materias: | |
| Acceso en línea: | https://doaj.org/article/cf005e0b9ebb49b385ee6739feb0521f |
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| Sumario: | Based on molecular dynamics(MD), nitrile rubber(NBR) models with cross-linking densities of 0, 10%, 15% and 20% were established, and the glass transition temperature and mechanical property of the NBR model under different cross-linking densities were predicted.The results showed that the glass transition temperature of NBR with a cross-linking density of 0-20% increased with increasing cross-linking density, and the mechanical property first increased and then decreased with the increase of cross-linking density. When the cross-linking density was 10%, NBR could obtain the optimal cross-linking network structure, and its mechanical property was better. |
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