Journal of Materials Science

, Volume 42, Issue 19, pp 8006–8009 | Cite as

The influences of slot width of an attenuator on the properties of PET spunbonded fibers

  • Hong WangEmail author
  • Xiangyu Jin
  • Haibo Wu
  • Baopu Yin
Polymer Fibres 2006


In this paper, poly(ethylene terephthalate) (PET) spunbonded fibers with tensile strength of 9.67 cN/dtex and diameter of 7 μm were produced in Nordson’s MicroFil™ Spunbond System with a positive attenuator pressure. The influences of the slot width of the attenuator on the properties of PET spunbonded fibers were studied, and Fourier transformation infrared spectrophotometry (FT-IR) and Wide-angle X-ray diffraction were applied to characterize the crystalline and orientation structure of PET spunbonded fibers as well. It was found the attenuator with positive air pressure is more advantageous to spin PET spunbonded fiber and the fiber becomes finer and its’ tensile strength becomes higher with the decrease of the slot width. The air speed in the attenuator was predicted as well.


Drawing Process Orientation Structure Slot Width Draw Direction Drawing Speed 



The authors thank for Yaolong Spun-bond Technology Co., Ltd for their assist to make the two samples on their production line (Nordson’s MicroFil™ Spunbond System).


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Copyright information

© Springer Science+Business Media, LLC 2007

Authors and Affiliations

  1. 1.Nonwovens R & D CenterDonghua UniversityShanghaiP.R. China

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