剪切增稠液对不同结构芳纶织物防刺性能的影响

doi:10.13475/j.fzxb.20190506107

纺织学报 ›› 2020, Vol. 41 ›› Issue (03): 106-112.doi: 10.13475/j.fzxb.20190506107

剪切增稠液对不同结构芳纶织物防刺性能的影响

李聃阳¹^,², 王瑞¹^,²(), 刘星¹^,², 张淑洁¹^,², 夏兆鹏¹^,², 阎若思³, 代二庆⁴

1.天津工业大学纺织科学与工程学院, 天津 300387
2.天津工业大学先进纺织复合材料教育部重点实验室, 天津 300387
3.河北科技大学纺织服装学院, 河北石家庄 050018
4.中国人民武装警察部队特色医学中心, 天津 300162

收稿日期:2019-05-24 修回日期:2019-12-14 出版日期:2020-03-15 发布日期:2020-03-27
通讯作者: 王瑞
作者简介:李聃阳(1993—),女,博士生。主要研究方向为剪切增稠液及防刺材料。
基金资助:
国家自然科学基金青年基金项目(11602168);天津市科委重点课题(15ZXLCSY00040);河北省自然科学基金项目(E2019208424)

Effect of shear thickening fluid on quasi-static stab resistance of aramid-based soft armor materials

LI Danyang¹^,², WANG Rui¹^,²(), LIU Xing¹^,², ZHANG Shujie¹^,², XIA Zhaopeng¹^,², YAN Ruosi³, DAI Erqing⁴

1. School of Textile Science and Engineering, Tiangong University, Tianjin 300387, China
2. Key Laboratory of Advanced Textile Composites, Ministry of Education, Tiangong University, Tianjin 300387, China
3. College of Textile and Garments, Hebei University of Science and Technology, Shijiazhuang, Hebei 050018, China
4. Affiliated Hospital of Logistics University of People's Armed Police Force, Tianjin 300162, China

Received:2019-05-24 Revised:2019-12-14 Online:2020-03-15 Published:2020-03-27
Contact: WANG Rui

摘要/Abstract

摘要：

为实现防刺服的轻量化以提高可穿戴性,用剪切增稠液 (STF) 浸渍不同结构的芳纶织物制备柔性防刺材料,探究织物结构对STF/芳纶复合织物防刺性能的影响。借助流变仪、扫描电子显微镜、万能强力仪对STF的流变性及STF/芳纶复合织物的形貌、纱线抽拔力、准静态锥刺和刀刺性能进行表征。结果表明:STF的流变性能随着分散相质量分数的增加而明显增强;经STF浸渍后各织物的防刺性能都有明显提升,经纬密度较大的平纹织物表现出较优的抗锥和抗刀刺性能,其中最大抗锥刺和抗刀刺力分别为993.75 N和687.50 N;STF的剪切增稠作用能有效提高纤维间的摩擦从而限制纱线滑移,且随着织物交织点数增多,纱线间摩擦力增大;斜纹复合织物的刀刺性能提升最为明显,提升了387%,因为斜纹织物较长的浮长线能有效抵抗刀刃的切割作用。

关键词: 剪切增稠液, 芳纶织物, 织物结构, 防刺性能, 个体防护材料

Abstract:

In order to achieve the lightweight of stab-resistance fabric with improved wearability, shear thickening fluid (STF) was used to impregnate the aramid fabrics with different structures to fabricate the flexible body armor and the influence of different structures on the stab resistance of STF/aramid fabrics was investigated. The rheological property of STF, the morphology, yarn pull-out force and spike and knife stabbing performance of STF/aramid fabrics were characterized by Malvin rotational rheometer, scanning electron microscopy and tensile tester. The results indicate that the shear thickening behavior increases with the mass fraction of dispersion phase increasing. The STF impregnated fabric has significantly improved the stab resistance performance, and the STF/plain-fabric with high warp and weft density exhibits better spike and knife stab performance with the maximum spike and knife stab resistance forces reaching 993.75 N and 687.50 N respectively. Because the shear thickening effect can effectively hinder yarn slippage and the yarn friction increases as the number of fabric crossover points increasing. Moreover, the knife stab performance of STF/twill-fabric is most noticeably enhanced by 387% because the longer floating line can resist the cutting action of the knife blade.

Key words: shear thickening fluid, aramid fabric, fabric structure, stab-resistance, personal protective material

中图分类号:

TB332

李聃阳, 王瑞, 刘星, 张淑洁, 夏兆鹏, 阎若思, 代二庆. 剪切增稠液对不同结构芳纶织物防刺性能的影响[J]. 纺织学报, 2020, 41(03): 106-112.

LI Danyang, WANG Rui, LIU Xing, ZHANG Shujie, XIA Zhaopeng, YAN Ruosi, DAI Erqing. Effect of shear thickening fluid on quasi-static stab resistance of aramid-based soft armor materials[J]. Journal of Textile Research, 2020, 41(03): 106-112.

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剪切增稠液对不同结构芳纶织物防刺性能的影响

Effect of shear thickening fluid on quasi-static stab resistance of aramid-based soft armor materials

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织物编号	组织结构	密度/(根·(10 cm)^-1)		面密度/ (g·m^-2)
织物编号	组织结构	经向	纬向	面密度/ (g·m^-2)
1^#	平纹	56	56	120
2^#	平纹	87	87	200
3^#	斜纹	87	87	200

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