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材料导报  2020, Vol. 34 Issue (18): 18188-18193    https://doi.org/10.11896/cldb.19070190
  高分子与聚合物基复合材料 |
氧等离子体处理碳纳米管对剪切增稠液增强芳纶织物防刺性能的影响
王瑞1,2, †, 李聃阳1,2, †, 刘星1,2, 方纾1,2, 伏立松1,2, 熊维成1,2
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
Effect of Oxygen-plasma-modified Carbon Nanotubes on the Stab Resistance of Shear Thickening Fluid Impregnated Kevlar Fabrics
WANG Rui1,2,†, LI Danyang1,2,†, LIU Xing1,2, FANG Shu1,2, FU Lisong1,2, XIONG Weicheng1,2
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
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摘要 为提高芳纶(Kevlar) 织物的防刺性能,实现防刺服的轻量化,本工作将氧等离子体处理的多壁碳纳米管 (M-MWNTs) 掺杂至剪切增稠液 (STF) 中,并浸渍芳纶织物制成防刺材料,探究M-MWNTs对STF含浸芳纶织物准静态防刺性能的影响。用拉曼 (Raman) 光谱、流变仪、扫描电镜 (SEM)、万能强力仪对M-MWNTs、M-MWNT/STF的流变性能及复合织物的纱线抽拔性能、准静态锥刺和刀刺性能进行表征。经氧等离子体处理后,MWNTs中sp3杂化的碳含量增加,说明MWNTs表面接枝了含氧官能团。掺杂0.06%(质量分数) 的M-MWNTs使STF的最大粘度从1 563 Pa·s提高至3 417 Pa·s,临界剪切速率从14.68 s-1降至2.53 s-1。此外,经M-MWNT/STF浸渍后,复合织物纱线的抽拔力明显提升。在相同的面密度下,0.06% M-MWNT/STF/芳纶复合织物抗锥刺、刀刺性能分别为972.2 N和949.9 N,比纯芳纶织物分别提高了198.1%和260.0%。上述结果表明,MWNTs经氧等离子体处理后,其表面接枝的含氧官能团可促进STF的剪切增稠作用,提高纱线间摩擦力,使织物失效模式由纱线滑移变为纱线断裂,从而提高织物的防刺性能。
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王瑞
李聃阳
刘星
方纾
伏立松
熊维成
关键词:  碳纳米管  氧等离子体处理  剪切增稠液  芳纶织物  防刺性能    
Abstract: To improve the stab resistance of Kevlar fabrics and realize the lightweight of protective garments, in this study, stab-resistance material was fabricated by Kevlar woven fabrics impregnated in shear thickening fluid (STF) contained oxygen-plasma modified multi-walls carbon nanotubes (M-MWNTs). The influence of M-MWNTs on the quasi-static stab resistant performance of STF impregnated Kevlar woven fabrics was investigated. The M-MWNTs, the rheological property of M-MWNT/STF, the surface morphology, yarn pull-out force and spike and knife stab performance of M-MWNT/STF/Kevlar fabrics were characterized by Raman spectroscopy, Malvin rotational rheometer, scanning electron microscopy (SEM) and Instron 5969 machine. After oxygen-plasma treatment, the content of sp3 hybrid carbon increased, indicating the oxygen-containing functional groups were grafted onto the MWNTs. The rheological tests showed that addition of 0.06wt% M-MWNTs caused a marked increase in the peak viscosity from 1 563 Pa·s to 3 417 Pa·s and a decrease in the critical shear rate from 14.68 s-1 to 2.53 s-1. The yarn pul-lout test showed that the yarn friction of M-MWNT/STF/Kevlar fabrics was far superior to the original fabrics. Under similar areal density, the 0.06wt% M-MWNT/STF/Kevlar fabrics could resist 972.2 N of quasi-static spike and 949.9 N of knife stab force, which were 198.1% and 260% higher than the neat Kevlar fabrics. These results revealed that the oxygen-containing MWNTs could promote the shear thickening effect of STF and increase the friction between yarns that made fabrics failure mode change from yarn slip to yarn breakage, resulting in the improvement of the stab-resistance of M-MWNT/STF/Kevlar fabrics.
Key words:  multi-walls carbon nanotubes    oxygen-plasma treatment    shear thickening fluid    Kevlar fabric    stab resistant performance
                    发布日期:  2020-09-12
ZTFLH:  T322  
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)
通讯作者:  wangrui@tiangong.edu.cn   
作者简介:  王瑞,天津工业大学教授,博士研究生导师。1998年毕业于日本东北大学,取得材料加工学工学博士学位。后于日本宫城教育大学任短期博士后研究员及日本信州大学高级研究学者。先后承担并完成教育部、天津市、中石化及企业委托开发项目30余项。在国内外各类重要刊物和国际国内学术会议公开发表学术论文共185篇,其中被EI、SCI、ISTP收录60篇。其团队主要研究方向包括:天然纤维复合材料;管道修复复合材料;低温防护纺织材料;功能与智能纺织防护材料等。
李聃阳,天津工业大学纺织科学与工程专业在读博士研究生。研究方向为剪切增稠液及柔性防刺材料。
引用本文:    
王瑞, 李聃阳, 刘星, 方纾, 伏立松, 熊维成. 氧等离子体处理碳纳米管对剪切增稠液增强芳纶织物防刺性能的影响[J]. 材料导报, 2020, 34(18): 18188-18193.
WANG Rui, LI Danyang, LIU Xing, FANG Shu, FU Lisong, XIONG Weicheng. Effect of Oxygen-plasma-modified Carbon Nanotubes on the Stab Resistance of Shear Thickening Fluid Impregnated Kevlar Fabrics. Materials Reports, 2020, 34(18): 18188-18193.
链接本文:  
http://www.mater-rep.com/CN/10.11896/cldb.19070190  或          http://www.mater-rep.com/CN/Y2020/V34/I18/18188
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