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杂化聚酰亚胺的制备及其耐原子氧剥蚀性能

赵小虎 段凌泽 赵一志

赵小虎, 段凌泽, 赵一志等 . 杂化聚酰亚胺的制备及其耐原子氧剥蚀性能[J]. 北京航空航天大学学报, 2014, 40(9): 1189-1194. doi: 10.13700/j.bh.1001-5965.2013.0595
引用本文: 赵小虎, 段凌泽, 赵一志等 . 杂化聚酰亚胺的制备及其耐原子氧剥蚀性能[J]. 北京航空航天大学学报, 2014, 40(9): 1189-1194. doi: 10.13700/j.bh.1001-5965.2013.0595
Zhao Xiaohu, Duan Lingze, Zhao Yizhiet al. Preparation and atomic oxygen resistance of hybrid polyimide[J]. Journal of Beijing University of Aeronautics and Astronautics, 2014, 40(9): 1189-1194. doi: 10.13700/j.bh.1001-5965.2013.0595(in Chinese)
Citation: Zhao Xiaohu, Duan Lingze, Zhao Yizhiet al. Preparation and atomic oxygen resistance of hybrid polyimide[J]. Journal of Beijing University of Aeronautics and Astronautics, 2014, 40(9): 1189-1194. doi: 10.13700/j.bh.1001-5965.2013.0595(in Chinese)

杂化聚酰亚胺的制备及其耐原子氧剥蚀性能

doi: 10.13700/j.bh.1001-5965.2013.0595
基金项目: XXX预研项目;中央高校基本科研业务费资助项目(YWF-10-01-A06)
详细信息
    作者简介:

    赵小虎(1974-),男,陕西商洛人,副教授,zxtiger@buaa.edu.cn.

  • 中图分类号: V45

Preparation and atomic oxygen resistance of hybrid polyimide

  • 摘要: 低地球轨道环境中的原子氧会剥蚀航天器表面材料,影响其性能和寿命,因此在使用时需要选用合适的手段来进行原子氧防护。采用溶胶-凝胶法,利用正硅酸乙酯在树脂体系中的水解-缩合反应,在基体中原位生成无机相而获得杂化聚酰亚胺。在原子氧效应地面模拟设备中,对杂化聚酰亚胺试样开展了性能评估试验,总结了试验前后试样的质量、表面形貌和表面成分的变化特点,并分析了材料耐剥蚀性能与正硅酸乙酯添加量的关系、杂化材料的耐剥蚀机理。结果表明,杂化聚酰亚胺的耐原子氧性能优于原树脂,其原子氧试验质量损失仅为原树脂的31。6% ~14。8%。分析认为,溶胶-凝胶过程中在树脂基体中生成的有机含硅结构和无机SiO2,以及原子氧作用下杂化材料表面生成的SiO2保护层,是杂化材料耐原子氧剥蚀性能提高的原因。

     

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出版历程
  • 收稿日期:  2013-10-22
  • 网络出版日期:  2014-09-20

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