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Study of Microstructure in Polyethylene Terephthalate(PET) Fiber Using SAXS

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Abstract:

An experimental method was developed in this work to study the PET fibers by synchrotron small-angle X-ray scattering (SAXS). Compared with the traditional measurement in air, the new method measured in the glycerin is helpful to eliminate edge scattering arising from the fiber edge. The results showed that intensity from edge scattering is so high as to cover the microstructure information. PET fiber with a diameter of 25 μm was measured by the new experimental method, and a lobed shape can be seen clearly on the meridian which didn't emerge in traditional measurement. The SAXS data were evaluated to extract parameters of lamellar structure and microvoids. In addition, the effect of fiber diameter on edge scattering was also investigated.

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Periodical:

Advanced Materials Research (Volumes 332-334)

Pages:

1171-1175

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.332-334.1171

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Online since:

September 2011

Authors:

Xiao Yun Li, Xiu Hong Li, Yu Zhu Wang, Jie Wang

Keywords:

Edge Scattering, Long Period, Microvoids, PET Fiber, SAXS

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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