纺织学报 ›› 2018, Vol. 39 ›› Issue (10): 58-62.doi: 10.13475/j.fzxb.20180101706

• 纺织工程 • 上一篇    下一篇

剪切增稠液浸渍超高分子量聚乙烯织物的防锥刺性能

    


  • 收稿日期:2018-01-06 修回日期:2018-07-13 出版日期:2018-10-15 发布日期:2018-10-17
  • 基金资助:

     

Study on stab-resistant performance of shear thickening fluids impregnated ultra-high-molecular-weight polyethylene fabric

  • Received:2018-01-06 Revised:2018-07-13 Online:2018-10-15 Published:2018-10-17

摘要:

为提升超高分子量聚乙烯织物的防锥刺性能,采用剪切增稠液对织物进行浸渍复合,制备了柔性液体防 护材料。采用落锤实验测试了不同密度的超高分子量聚乙烯织物及与剪切增稠液复合后织物的防锥刺性能,研究了不同质量分数剪切增稠液的流变性能和浸渍后织物的纱线抽拔性能,并分析了织物复合后的增强机制。实验结果表明:剪切增稠液的增稠效果随着分散相质量分数的增加而增强,剪切增稠液浸渍后织物的纱线抽拔力提高了3.1倍,经剪切增稠液浸渍的织物具有更好的防锥刺效果。剪切增稠液显著提高了纱线的摩擦力,并限制纱线滑移,从而具有更好的防锥刺效果。

关键词: 超高分子量聚乙烯织物, 剪切增稠液, 防锥刺性能, 防护机制

Abstract:

In order to enhance the stab resistant performance of the ultra-high-molecular-weight polyethylene (UHMWPE) fabric, the shear thickening fluids (STF) were used to impregnate the fabric to make the flexible liquid body armor. The stab resistant performances of fabrics with different yarn density and the STF impregnated fabrics were investigated by drop test. The rheological behaviors of shear thickening fluids with different mass fraction and the yarn pull-out the impregnated fabric were studied. The reinforcement mechanism of the composite was discussed in detail. The experiment results show that the shear thickening effect increase with increasing mass fraction of dispersion phase. The yarn pull-out force of impregnated fabrics is increased by 3.1 times. The shear thickening fluid impregnated fabrics bave better protective performance. The friction force is significantly dnhanced due to the presence of STF. STF effectively decreases the yarn mobility. The stab-resistance of UHMWPE fabric is significantly enhanced.

Key words: ultra-high-molecular-weight polyethylene fabric, shear thickening fluid, stab resistant performance, protective mechanism

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