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芳纶纳米纤维强化浸渍处理芳纶纤维及其橡胶复合材料的界面黏合性能

翟振强 李英哲 黄伟 杜德松 宁南英 张立群 王文才 田明

翟振强, 李英哲, 黄伟, 等. 芳纶纳米纤维强化浸渍处理芳纶纤维及其橡胶复合材料的界面黏合性能[J]. 复合材料学报, 2022, 39(9): 1-10 doi: 10.13801/j.cnki.fhclxb.20220530.005
引用本文: 翟振强, 李英哲, 黄伟, 等. 芳纶纳米纤维强化浸渍处理芳纶纤维及其橡胶复合材料的界面黏合性能[J]. 复合材料学报, 2022, 39(9): 1-10 doi: 10.13801/j.cnki.fhclxb.20220530.005
Zhenqiang ZHAI, Yingzhe LI, Wei HUANG, Desong DU, Nanying NING, Liqun ZHANG, Wencai WANG, Ming TIAN. Aramid nanofiber reinforce dipping of fibers and its effect on the interfacial adhesive properties of aramid fiber to rubber[J]. Acta Materiae Compositae Sinica, 2022, 39(9): 1-10. doi: 10.13801/j.cnki.fhclxb.20220530.005
Citation: Zhenqiang ZHAI, Yingzhe LI, Wei HUANG, Desong DU, Nanying NING, Liqun ZHANG, Wencai WANG, Ming TIAN. Aramid nanofiber reinforce dipping of fibers and its effect on the interfacial adhesive properties of aramid fiber to rubber[J]. Acta Materiae Compositae Sinica, 2022, 39(9): 1-10. doi: 10.13801/j.cnki.fhclxb.20220530.005

芳纶纳米纤维强化浸渍处理芳纶纤维及其橡胶复合材料的界面黏合性能

doi: 10.13801/j.cnki.fhclxb.20220530.005
基金项目: 国家自然科学基金(51790501;51833002)
详细信息
    通讯作者:

    田明,博士,教授,博士生导师,研究方向为聚合物共混及复合材料 E-mail: tianm@mail.buct.edu.cn

  • 中图分类号: TB332

Aramid nanofiber reinforce dipping of fibers and its effect on the interfacial adhesive properties of aramid fiber to rubber

Funds: National Natural Science Foundation of China(No. 51790501;51833002)
  • 摘要: 为进一步提高芳纶纤维/橡胶复合材料的界面黏合性能,在传统“二浴”法浸渍间苯二酚-甲醛-胶乳(RFL)的基础上,分别在预处理液、RFL浸胶液中加入芳纶纳米纤维(ANF),研究ANF的添加工艺和用量对芳纶纤维/橡胶复合材料界面黏合性能的影响。结果表明,在预处理液中仅添加0.05wt%ANF, H抽出力为209.0 N,剥离力为19.8 N/根,动态黏合疲劳寿命9829次,比未增强体系分别提高18.1%、14.4%和41.0%;在RFL浸胶液中添加0.15wt%ANF,H抽出力为206.5 N,剥离力为20.1 N/根,动态黏合疲劳寿命8095次,比未增强体系分别提高15.9%、16.1%和16.1%。在预处理体系中添加ANF可更有效地提高动态黏合性能,原因在于ANF与芳纶纤维、预处理液中的异氰酸酯之间产生良好的化学作用,有利于界面处模量过渡,提高应力传递效率。

     

  • 图  1  H抽出样品示意图

    Figure  1.  Schematic diagram of the H pull-out sample

    图  2  剥离样品示意图

    Figure  2.  Schematic diagram of the peeling sample

    图  3  帘线动态黏合试验示意图

    Figure  3.  Schematic diagram of the cord dynamic adhesion test

    图  4  芳纶纤维在不同工艺处理下添加芳纶纳米纤维(ANF)的浸胶处理过程的流程图

    Figure  4.  Flow chart of the dipping process of aramid fibers treated with aramid nanofibers (ANF) under different processes

    RFL—Resorcinol-formaldehyde-latex

    图  5  (a) 稳定的ANF水分散液(0.01wt%);(b) 单根ANF的TEM图像(0.01wt%水分散液);(c) 几根ANF缠结的TEM图像(0.01wt%水分散液);(d) ANF团聚的SEM图像(0.3wt%水分散液)

    Figure  5.  (a) Stable aqueous dispersion of ANF (0.01wt%); (b) TEM image of a single ANF (0.01wt% aqueous dispersion); (c) TEM image of several entangled ANF (0.01wt% aqueous dispersion); (d) SEM image of agglomerated ANF (0.3wt% aqueous dispersion)

    图  6  ANF的FTIR图谱及接触角

    Figure  6.  FTIR spectrum and contact angle of ANF

    图  7  不同添加工艺下ANF对处理后芳纶纤维表面形貌的影响:工艺一不同ANF添加量下一浴处理后的纤维表面形貌:(a) 0wt%;(b) 0.05wt%;(c) 0.10wt%;(d) 0.15wt%;工艺一不同ANF添加量下二浴处理后的纤维表面形貌:(a') 0wt%;(b') 0.05wt%;(c') 0.10wt%;(d') 0.15wt%;工艺二不同ANF添加量下二浴处理后的纤维表面形貌:(a'') 0wt%;(b'') 0.10wt%;(c'') 0.15wt%;(d'') 0.30wt% (工艺一图7(c)和工艺二图7(d'')出现明显涂层不均匀)

    Figure  7.  Effects of ANF on the surface morphologies of treated aramid fibers via different addition processes: Surface morphologies of fibers after first dipping treatment with different amounts of ANF in process 1: (a) 0wt%; (b) 0.05wt%; (c) 0.10wt%; (d) 0.15wt%; Surface morphologies of fibers after second dipping treatment with different amounts of ANF in process 1: (a') 0wt%; (b') 0.05wt%; (c') 0.10wt%; (d') 0.15wt%; Surface morphologies of fibers after second dipping treatment with different amounts of ANF in process 2: (a'') 0wt%; (b'') 0.10wt%; (c'') 0.15wt%; (d'') 0.30wt% (There is obvious uneven coating in process 1 Fig.7(c) and process 2 Fig.7(d''))

    图  8  不同工艺下ANF用量对纤维表面附胶率的影响

    Figure  8.  Effect of the amount of ANF on the content of coatings on the fiber surface via different processes

    图  9  不同添加工艺下ANF用量对芳纶纤维/橡胶复合材料H抽出力和剥离力的影响

    Figure  9.  Effect of the amount of ANF on the H pull-out force and peel force of aramid fiber/rubber composites via different processes

    图  10  不同添加工艺下H抽出后纤维表面的附胶情况:工艺一:(a) 0wt%;(b) 0.05wt%;(c) 0.10wt%;(d) 0.15wt%;工艺二:(a') 0wt%;(b') 0.05wt%;(c') 0.10wt%;(d') 0.15wt%;(e') 0.30wt%

    Figure  10.  Attached rubber on the fiber surface after H pull-out via different processes: Process 1: (a) 0wt%; (b) 0.05wt%; (c) 0.10wt%; (d) 0.15wt%; Process 2: (a') 0wt%; (b') 0.05wt%; (c') 0.10wt%; (d') 0.15wt%; (e') 0.30wt%

    图  11  不同添加工艺下ANF用量对剥离后纤维表面附胶量的影响

    Figure  11.  Effect of the amount of ANF on the amount of attached rubber on the peeled fiber surface via different processes

    图  12  不同添加工艺下剥离后纤维的表面形貌:工艺一:(a) 0wt%;(b) 0.05wt%;(c) 0.10wt%;(d) 0.15wt%;工艺二:(a') 0wt%;(b') 0.05wt%;(c') 0.10wt%;(d') 0.15wt%;(e') 0.30wt%

    Figure  12.  Surface morphologies of peeled fiber via different processes: Process 1: (a) 0wt%; (b) 0.05wt%; (c) 0.10wt%; (d) 0.15wt%; Process 2: (a') 0wt%; (b') 0.05wt%; (c') 0.10wt%; (d') 0.15wt%; (e') 0.30wt%

    图  13  己内酰胺封端的异氰酸酯(MDI)与ANF混合物在不同温度下的原位红外吸收光谱

    Figure  13.  In situ infrared absorption spectra of caprolactam-terminated isocyanate (MDI) and ANF mixtures at different temperatures

    表  1  工艺一、工艺二中分别加入最佳ANF用量对芳纶纤维/橡胶复合材料动态黏合性能的影响

    Table  1.   Effect of adding the optimum amount of ANF to process 1 and process 2 on the dynamic adhesive properties of aramid fiber/rubber composites

    RFLProcess 1
    0.05wt%ANF
    Process 2
    0.15wt%ANF
    Fatigue life/time696898298095
    Improvement compared to RFL41.0%16.1%
    下载: 导出CSV

    表  2  ANF用量对间苯二酚-甲醛-胶乳(RFL)胶膜交联密度及杨氏模量的影响

    Table  2.   Effect of ANF dosage on the crosslink density and Young's modulus of resorcinol-formaldehyde-latex (RFL) films

    Amount of ANF00.05wt%0.10wt%0.15wt%0.30wt%
    Crosslink density/(10−4 mol·mL−1)1.621.761.821.851.90
    Young's modulus/GPa0.17570.23940.25550.2836
    下载: 导出CSV
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  • 收稿日期:  2022-03-21
  • 录用日期:  2022-05-21
  • 修回日期:  2022-05-08
  • 网络出版日期:  2022-05-31
  • 刊出日期:  2022-09-15

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