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Insulating paper cellulose is easy to be oxidized during its operation, which will affect its insulation performance. Therefore, this article investigates the effect of hydroxyl oxidation at different positions on cellulose molecules on the properties of insulating paper. Cellulose models with different oxidation modes were established through molecular simulation, and their hydrophilicity, mechanical properties and polarization changes were characterized through parameter calculations. The results indicate that the hydroxyl groups on carbon atoms 2 and 3 (C2, C3) have the greatest impact on the performance of cellulose insulation paper. When the hydroxyl groups on C2 and C3 are oxidized, the hydrogen bonding network structure in cellulose is disrupted, weakening the intermolecular forces between cellulose chains and leading to a decrease in the performance of cellulose. Therefore, protecting the hydroxyl groups on C2 and C3 from oxidation can improve the service life of cellulose insulation paper.

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Effect of Different Oxidation Forms of Non Reducing Hydroxyl End of Cellulose on Hydrophilicity, Mechanical Properties and Polarization

  • 会议论文

  • 发表日期：

    2025年

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  • Xiong Liu,
  • Caiwei Yang,
  • Yanhe Deng,
  • Jia Liu,
  • Chao Tang

摘要

Insulating paper cellulose is easy to be oxidized during its operation, which will affect its insulation performance. Therefore, this article investigates the effect of hydroxyl oxidation at different positions on cellulose molecules on the properties of insulating paper. Cellulose models with different oxidation modes were established through molecular simulation, and their hydrophilicity, mechanical properties and polarization changes were characterized through parameter calculations. The results indicate that the hydroxyl groups on carbon atoms 2 and 3 (C2, C3) have the greatest impact on the performance of cellulose insulation paper. When the hydroxyl groups on C2 and C3 are oxidized, the hydrogen bonding network structure in cellulose is disrupted, weakening the intermolecular forces between cellulose chains and leading to a decrease in the performance of cellulose. Therefore, protecting the hydroxyl groups on C2 and C3 from oxidation can improve the service life of cellulose insulation paper.