纺织学报 ›› 2015, Vol. 36 ›› Issue (11): 68-71.

• 纺织工程 • 上一篇    下一篇

纺粘非织造布制备工艺与性能的关系

  

  • 收稿日期:2014-10-27 修回日期:2015-06-25 出版日期:2015-11-15 发布日期:2015-11-10

Relationship between manufactuer process and performance for spunbond nonwoven

  • Received:2014-10-27 Revised:2015-06-25 Online:2015-11-15 Published:2015-11-10

摘要:

为研究纺粘非织造布生产工艺、结构及性能三者之间的关系,以聚丙烯为原料,采用多种工艺制备了纺粘非织造布,测试了纺粘非织造布的结构和透气性能,并对其孔隙率进行计算。通过对测试结果进行分析发现:当计量泵频率一定时,网帘频率增加,织物厚度、面密度减小,而孔隙率增大;当网帘频率一定时,计量泵频率增加,织物厚度和面密度成变大的趋势,而孔隙率呈减小趋势;当计量泵频率增加到一定程度时,熔体输出量将不再对纤维直径变化产生明显影响;纺粘非织造布的透气率随试样孔隙率增大而提高,且二者呈幂函数关系。

Abstract:

In order to study the relationship between the production technology, structure and the performance of the spunbond nonwoven, the spunbond nonwovens with different technological parameters were manufactured with polypropylene(PP). The structure and the air permeability were tested and the porosity was calculated. Through analyzing the test result, the following conclusions can be found. When the frequency of the metering pump is fixed, with the increasing for the frequency of the lace curtaining, the thickness and the areal density will be reduced and the porosity will be bigger. When the frequency of the lace curtaining is defined, with the increasing for the frequency of the metering pump, the changing trend of the thickness, the areal density and the porosity will be turned to the other way. When the frequency of the metering pump increasing to a certain a level, the melt throughput will not influence the fiber diameter obviously. The air permeability of the spunbond nonwoven will be increased with the porosity and there is a power function curvilinear relationship between them.

中图分类号: 

  • TS101.8
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