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首页> 外文期刊>Textile Research Journal >Meltblown Structures Formed by a Robotic and Meltblowing Integrated System: Impact of Process Parameters on Pore Size
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Meltblown Structures Formed by a Robotic and Meltblowing Integrated System: Impact of Process Parameters on Pore Size

机译：由机器人和熔喷集成系统形成的熔喷结构：工艺参数对孔径的影响

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摘要

Our earlier studies have evaluated the effect of meltblowing process parameters on fiber diameter and orientation distribution. This paper deals with parametric studies evaluating the effect of polymer throughput, attenuating air pressure, take-up speed of the web, fiber stream approach angle, and die-to-collector distance (DCD) on pore sizes and their distribution in meltblown nonwoven webs. Pore sizes and their cumulative frequency are determined by an automated perm porometer. Under the conditions explored, the average pore size of meltblown fabrics decreases significantly when the attenuating air pressure increases. Pore size decreases significantly when the take-up speed of the web increases. As expected, an increase in the polymer throughput increases the average pore size. Increasing the DCD initially decreases, then increases pore size, confirming the existence of different "zones" in the space between the die and collector. An increase in the fiber stream approach angle initially decreases, then significantly increases pore size in the web.
机译：我们较早的研究评估了熔喷工艺参数对纤维直径和取向分布的影响。本文进行参数研究，评估聚合物通过量，衰减空气压力，纤维网的吸收速度，纤维流接近角和模头至收集器距离（DCD）对熔喷非织造纤维网中孔径及其分布的影响。 。孔的大小及其累积频率由自动电导率仪确定。在探索的条件下，当衰减空气压力增加时，熔喷织物的平均孔径会明显减小。当卷筒纸的卷取速度增加时，孔径会大大减小。如所预期的，聚合物通过量的增加增加了平均孔径。 DCD的增加最初会减小，然后增大孔径，从而确认模头和收集器之间空间中存在不同的“区域”。纤维流接近角的增大最初减小，然后显着增大纤网中的孔径。

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