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首页> 外文期刊>Textile Research Journal >Effects of Bond Roll Pattern and Temperature on the Microstructure and Properties of Polyethylene Nonwovens
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Effects of Bond Roll Pattern and Temperature on the Microstructure and Properties of Polyethylene Nonwovens

机译：粘合辊的图案和温度对聚乙烯非织造布微观结构和性能的影响

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摘要

This paper investigates the effects of bond roll pattern and bonding temperature on the microstructure, tensile properties, flexural rigidity, and abrasion of polyethylene (PE) nonwovens. Bond roll variables include percent bond area, bond point concentration, and side-wall angle. Temperature greatly affects nonwoven mechanical properties. Of the various bond roll variables, bond point concentration significantly affects the elongation and flexural rigidity of PE nonwovens, whereas the side-wall angle affects tenacity. Microstructure analysis indicates that PE nonwovens fail by disintegration of the bond area rather than by fibers breaking at the bond perimeter. A one-dimensional, unsteady-state heat conduction model of the area under a bond point confirms that partial melting occurs in the center of thermally bonded areas.
机译：本文研究了粘合辊图案和粘合温度对聚乙烯（PE）非织造布的微观结构，拉伸性能，抗弯刚度和耐磨性的影响。粘合辊变量包括粘合面积百分比，粘合点浓度和侧壁角度。温度极大地影响了非织造布的机械性能。在各种粘合辊变量中，粘合点浓度会显着影响PE非织造布的伸长率和抗弯刚度，而侧壁角度会影响韧性。微观结构分析表明，PE非织造布通过粘合区域的崩解而不是由于纤维在粘合周界处断裂而失败。结合点下方区域的一维非稳态热传导模型证实，部分熔化发生在热结合区域的中心。

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