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2017, 04, v.36;No.175 27-31
聚氨酯复合芳纶织物的防刺性能
基金项目(Foundation): 天津市自然科学基金资助项目(13JCYBJC17200)
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摘要:

为得到性能优异的防刺材料,制备了聚氨酯/芳纶平纹织物复合材料,讨论不同涂层工艺、聚氨酯类型和叠加结构对防刺性能的影响.结果表明:和湿法涂层、干法直涂工艺相比,使用转移涂层工艺的复合织物防刺性能较优;而高模量聚碳酸酯型聚氨酯复合芳纶平纹织物能明显提高其防刺性能,在动态穿刺试验中穿透层数仅为31层,采用双侧涂覆工艺能进一步增强防刺效果,穿刺层数减少至27层;在面密度相同的情况下,芳纶基布在外侧各5层、中间为20层复合织物的叠加结构更能起到防护作用,可使得位于下层的5层芳纶基布不被洞穿.

Abstract:

In order to prepare the material with good stab resistance, the polyurethane/aramid composite fabric was prepared. The effects of coating processes, polyurethane types and superposition structure on the stab resistance of composite fabric were discussed. The results show that compared with the processes of wet coating and directly dry coating, the composite fabric using transfer coating process has better stab resistance. Coating with high modulus polycarbonate type polyurethane the stab resistance of composite fabric has been significantly improved,and the penetrated layer number in dynamic penetration test is only 31, and the stab resistance of composite fabric is further enhanced by bilaterally coating process, and the penetrated layer number reduces to 27. Under the same surface density, the superposition structure of 5 layers aramid fabrics up and down and 20 layers composite fabrics in the center has better protection effect, and the lower 5 layers aramid fabrics have not been scored.

参考文献

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基本信息:

DOI:

中图分类号:TS106

引用信息:

[1]李亚滨,徐玲玲.聚氨酯复合芳纶织物的防刺性能[J].天津工业大学学报,2017,36(04):27-31.

基金信息:

天津市自然科学基金资助项目(13JCYBJC17200)

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