Research on the Autoclave Forming of Polymerized Monomer Reactant Polyimide Composite with Long-term Reusability

WANG Tian-jiao; LI Qi; ZHANG Yang; WANG Dong; LI Li-ying

doi:10.14028/j.cnki.1003-3726.2024.24.214

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Research on the Autoclave Forming of Polymerized Monomer Reactant Polyimide Composite with Long-term Reusability

更新时间：2025-01-06

- Research on the Autoclave Forming of Polymerized Monomer Reactant Polyimide Composite with Long-term Reusability
- Polymer Bulletin Vol. 38, Issue 1, Pages: 116-122(2025)
- 作者机构：
  
  航天特种材料及工艺技术研究所，北京 100074
- 作者简介：
- 基金信息：
- DOI：10.14028/j.cnki.1003-3726.2024.24.214
  CLC：
- Received：25 July 2024，
  
  Accepted：2024-08-31，
  
  Published Online：25 September 2024，
  
  Published：20 January 2025
- 稿件说明：
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王天娇, 李琪, 张洋, 汪东, 李丽英. 长时可重复使用反应型聚酰亚胺复合材料热压罐成型研究. 2025, 38(1), 116–122.

Wang, T. J.; Li, Q.; Zhang, Y.; Li, L. Y. Research on the autoclave forming of polymerized monomer reactant polyimide composite with long-term reusaility. Polym. Bull. (in Chinese), 2025, 38(1), 116–122.
王天娇, 李琪, 张洋, 汪东, 李丽英. 长时可重复使用反应型聚酰亚胺复合材料热压罐成型研究. 2025, 38(1), 116–122. DOI： 10.14028/j.cnki.1003-3726.2024.24.214.

Wang, T. J.; Li, Q.; Zhang, Y.; Li, L. Y. Research on the autoclave forming of polymerized monomer reactant polyimide composite with long-term reusaility. Polym. Bull. (in Chinese), 2025, 38(1), 116–122. DOI： 10.14028/j.cnki.1003-3726.2024.24.214.

摘要

对反应型聚酰亚胺树脂的化学反应特性、流变特性等方面进行研究，并探索分阶段加压、加压温度等热压罐成型工艺参数对复合材料内部质量的影响，确定最优的PMR型聚酰亚胺复合材料热压罐成型工艺。此外，对PMR型聚酰亚胺复合材料的长时可重复使用性能进行评价。结果表明，分阶段梯度加压可有效提升复合材料的内部质量和力学性能；复合材料经历350 ℃/500 h老化后，老化失重率4.8%，玻璃化转变温度提升至433 ℃，力学性能保留率均大于68.4%，表现出优异的热稳定性，具备长时可重复使用能力。

Abstract

To determine the optimal autoclave forming process of polymerized monomer reactant (PMR) polyimide composite

the chemical reaction characteristics and rheological properties of PMR polyimide resin were studied. And the effects of process parameters such as staged pressurization and pressurization temperature on the internal quality of the composites were explored. In addition

the long-term reusable properties of PMR polyimide composites were evaluated. The results showed that staged gradient pressurization can effectively improve the internal quality and mechanical properties of composites. After 350 ℃/500 h aging

the polyimide composites displayed excellent thermal stability and long-term reusability with the aging weight loss rate of 4.8%

the glass transition temperature of 433 ℃ and the mechanical property retention of 68.4%.

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references

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