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首页> 外文期刊>Indian Journal of Fibre & Textile Research >Effect of outdoor exposure and accelerated ageing on textile materials used in aerostat and aircraft arrester barrier nets
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Effect of outdoor exposure and accelerated ageing on textile materials used in aerostat and aircraft arrester barrier nets

机译：户外暴露和加速老化对浮空器和飞机避雷器防护网中使用的纺织材料的影响

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摘要

The degradation behaviour of polyurethane (PU) coated nylon fabric and woven webbings made of nylon and polyester fibres when exposed to outdoor environment has been studied. The degradation behavior of these materials has also been studied under accelerated ageing using xenon lamp. The degradation behavior of the samples has been studied in terms of increase in gas permeability (for PU coated nylon fabric only), loss in breaking strength, work of rupture and extension-at-break. In PU coated fabrics, even though the tensile strength loss after outdoor exposure is acceptable, the gas retention property of PU coatings deteriorates sharply and material becomes unusable. It is observed that in case of polyester webbing, the outdoor exposure and xenon arc exposure data correlate quite well, however no such finding is observed for nylon webbing. It also emerges out that during outdoor weathering, although the strength loss in polyester webbing is less than that of nylon, the loss in work of rupture is higher. The UV resistant (UVR) finish has been found to be quite effective on both nylon and polyester webbings.
机译：研究了聚氨酯（PU）涂层尼龙织物以及由尼龙和聚酯纤维制成的织造织物在户外环境下的降解行为。还使用氙气灯在加速老化下研究了这些材料的降解行为。样品的降解行为已通过增加透气性（仅适用于PU涂层尼龙织物），断裂强度损失，断裂功和断裂伸长方面进行了研究。在PU涂布的织物中，即使在室外暴露后的拉伸强度损失是可接受的，PU涂层的保气性也急剧恶化并且材料变得无法使用。观察到，在聚酯织带的情况下，室外暴露和氙弧暴露数据之间具有很好的相关性，但是对于尼龙织带却没有发现这种发现。还显示出，在室外风化期间，尽管聚酯带的强度损失小于尼龙，但断裂功损失较高。已经发现，抗紫外线（UVR）涂层对尼龙和聚酯织带都非常有效。

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