复合材料科学与工程 ›› 2022, Vol. 0 ›› Issue (6): 76-80.DOI: 10.19936/j.cnki.2096-8000.20220628.012

• 应用研究 • 上一篇    下一篇

阻燃植物纤维蜂窝芯制备及性能研究

刘燕峰1,2, 刘青曼3, 陈旭4   

  1. 1.中国航发北京航空材料研究院 软材料技术研究中心,北京 100095;
    2.中国航发北京航空材料研究院 先进复合材料国防科技重点实验室,北京 100095;
    3.中航复合材料有限责任公司,北京 101300;
    4.中航复材(北京)科技有限公司,北京 101300
  • 收稿日期:2022-02-21 出版日期:2022-06-28 发布日期:2022-07-19
  • 作者简介:刘燕峰(1979-),男,博士,高级工程师,主要从事树脂基体及其复合材料性能方面的研究,canpul@qq.com。
  • 基金资助:
    国家重点研发计划项目(2018YFA070330)

Study on preparation and properties of flame retardant plant fiber honeycomb core

LIU Yan-feng1,2, LIU Qing-man3, CHEN Xu4   

  1. 1. Soft Materials Technology Center, AECC Beijing Institute of Aeronautical Materials, Beijing 100095, China;
    2. National Key Laboratory of Advanced Composites, AECC Beijing Institute ofAeronautical Materials, Beijing 100095, China;
    3. AVIC Composite Corporation Ltd., Beijing 101300, China;
    4. Aviation Composite (Beijing) Science and Technology Corporation Ltd., Beijing 101300, China
  • Received:2022-02-21 Online:2022-06-28 Published:2022-07-19

摘要: 为了响应我国碳达峰和碳中和的环境目标并提高蜂窝芯的性价比,本文采用木纤维纸和混杂纤维纸制备蜂窝芯材,研究蜂窝芯的制备工艺、阻燃性能、力学性能和水迁移性能。结果表明:当阻燃剂与纸张的重量比约为6%时,48 kg/m3体密度的木纤维纸蜂窝芯和混杂纤维纸蜂窝芯都具有优异的阻燃性能,平均自熄时间为0 s,平均烧焦长度分别为79 mm和51 mm,滴落物平均燃烧时间为0 s,能够满足HB 5469-91垂直燃烧阻燃性能要求;木纤维纸蜂窝芯和混杂纤维纸蜂窝芯在常温下稳态平面压缩强度分别为1.64 MPa和1.75 MPa,L向剪切强度分别为1.02 MPa和1.08 MPa,W向剪切强度分别为0.53 MPa和0.61 MPa。

关键词: 碳达峰和碳中和, 木纤维纸蜂窝芯, 混杂纤维纸蜂窝芯, 阻燃性能, 水迁移性能, 复合材料

Abstract: In order to respond to the environmental objectives of carbon peak and carbon neutralization in China and improve the cost performance of honeycomb core, wood fiber paper and hybrid fiber paper are used to prepare honeycomb core materials. The preparation process, flame retardancy, mechanical properties and water migration properties of honeycomb core are studied. The results show that when the weight ratio of flame retardant to paper is about 6%, both wood fiber paper honeycomb core with 48 kg/m3 bulk density and hybrid fiber paper honeycomb core have excellent flame retardant properties. The average self extinguishing time is 0 s, the average burning length is 79 mm and 51 mm, respectively, and the average combustion time of dripping is 0 s, which can meet the requirements of HB 5469-91 vertical combustion flame retardant. At room temperature, the steady-state plane compressive strength of wood fiber paper honeycomb core and hybrid fiber paper honeycomb core are 1.64 MPa and 1.75 MPa, respectively, the L-direction shear strength is 1.02 MPa and 1.08 MPa, respectively, and the W-direction shear strength is 0.53 MPa and 0.61 MPa, respectively.

Key words: carbon peak and carbon neutralization, wood fiber paper honeycomb core, hybrid fiber paper honeycomb core, flame retardant performance, water migration performance, composites

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