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Effect of Water Jet Pressure Profile and Initial Web Geometry on the Physical Properties of Composite Hydroentangled Fabrics

机译:喷水压力分布和初始幅面几何形状对复合水刺纤维织物物理性能的影响

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摘要

The effect of a water jet pressure profile (WJPP) and initial web geometry on the properties of hydroentangled fabrics is investigated. Different web structures (obtained by parallel, cross, and air-laid formation) are produced and hydroentangled at the same total pressure but with different water jet profiles. Composite structures are also made by combining different web structures followed by hydroentangling. The fabrics are then characterized in terms of key physical properties. Although the total pressure may be constant, the WJPP influences the tensile properties of fabrics, especially those containing air-laid structures. The results also suggest that to produce high tenacity fabrics, the webs should be hydroentangled on both sides at almost the same total pressure. The MD/CD strength ratios indicate that the most isotropic fabrics are air-laid, composite web structures combining cross and parallel-laid webs.
机译:研究了水射流压力分布(WJPP)和初始幅材几何形状对水刺织物性能的影响。产生了不同的网状结构(通过平行,交叉和气流成网获得),并在相同的总压力下进行了水力缠结,但水射流曲线不同。还可以通过组合不同的网状结构,然后进行水力缠结来制成复合结构。然后根据关键的物理特性对织物进行表征。尽管总压力可能是恒定的,但WJPP会影响织物的拉伸性能,尤其是那些包含气流成网结构的织物。结果还表明,要生产高韧性织物,应在几乎相同的总压力下使纤维网在两侧进行水力缠结。 MD / CD强度比表明,大多数各向同性的织物是结合了交叉和平行铺网的气流成网复合纤维网结构。

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