剪切增稠液体增强织物防刺性能的机理研究  

Study on mechanism of sheer thickening fluiding enhancing stab-risistant performance of fabric

作　　者：徐素鹏[1,2] 郑伟[2] 张玉芳[1] 

机构地区：[1]北京服装学院材料科学与工程学院,北京100029 [2]济源职业技术学院冶金化工系,河南济源459000

出　　处：《天津工业大学学报》2012年第3期15-19,共5页Journal of Tiangong University

基　　金：北京市教委科技创新平台建设项目(PXM2008_014216_053705)

摘　　要：制备出质量分数分别为20%和26%的剪切增稠液体(STF),研究了其流变性能、浸渍UHMWPE织物后所得的复合材料在不同条件下的防刺性能和STF增强织物防刺性能的机理.结果表明:2种液体均具有先剪切变稀后剪切增稠的流变性能曲线;由于STF具有钝化刀具和限制织物纱线或纤维移动的作用,能明显增强UHMWPE织物的防刺性能;STF/UHMWPE无纺布复合材料的防刺性能优于STF/UHMWPE机织布复合材料;随着STF固含量的增大,STF增强织物防刺性能的效果更加显著;STF/UHMWPE复合材料与纯UHMWPE复合铺层的防刺性能优于STF/UHMWPE复合材料单独铺层时的防刺性能,而且STF/UHMWPE复合材料放在最上层效果较好.Shear thickening fluids （STF） with mass fraction of 20% and 26% were prepared, and its rheology behavior, the stab-resistant performance of UHMWPE fabric impregnated with STF and the mechanism of STF enhanceing fabric＇s stab-resistant performance are studied. The results show that two kinds of fluid have rheological behavior which firstly shear thinning and then shear thickening; because STF can passivate the tools and limit yarns and fiber＇s moving, stab-resistant performance of UHMWPE fabric is enhanced obviously by STF; the stab-resistant performance of STF/UHMWPE non-woven fabric composite materials is better than STF/UHMWPE woven fabric composite materials; and with increasing solids content of STF, the effects of STF enhancing UHMWPE fabric＇s stab-resistant performance are more significant ; the stab-resistant performance of STF/UHMWPE composite ma- terials and pure UHMWPE plying compundly is better than plying individually, and composite materials plied upper are better.

关 键 词：剪切增稠液体 流变性能 STF/UHMWPE织物 防刺性能 

分 类 号：TB332[一般工业技术—材料科学与工程]