Characterization of the Dispersion of TiO2 Particles in Fine Denier Polyamide 6 Monofilament via Nano-CT Technique

doi:10.7503/cjcu20120904

Chem. J. Chinese Universities ›› 2013, Vol. 34 ›› Issue (2): 269.doi: 10.7503/cjcu20120904

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Characterization of the Dispersion of TiO₂ Particles in Fine Denier Polyamide 6 Monofilament via Nano-CT Technique

LIU Shao-Xuan¹, HONG You-Li², GAO Yun-Long^1,3, HUANG Wan-Xia², YUAN Qing-Xi², ZHANG Kai², LIU Yu-Feng^1,4, KANG Ting-Guo³, ZHAO Ying⁴, XU Yi-Zhuang¹, WU Jin-Guang¹

1. Beijing National Laboratory for Molecular Sciences, State Key Laboratory for Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China;
2. Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100039, China;
3. College of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian 116600, China;
4. Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Engineering Plastics, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China

Received:2012-10-05 Online:2013-02-10 Published:2013-01-21
Contact: XU Yi-zhuang E-mail:xyz@pku.edu.cn

Abstract

Abstract:

The distribution of TiO₂ particles as flatting agent in fine denier polyamide 6 monofilament was investigated via synchrotron radiation X-ray nano CT technique. 2D and 3D reconstructed images of the polyamide 6 monofilament with different contents of TiO₂ particles were obtained by treating the projection images with filter back projection algorithm and digital image processing methods. As the content of TiO₂ particles increases, the agglomeration of TiO₂ particles becomes more severe. As a result, agglomerated TiO₂ particles whose diameter is around 800 nm were observed in the full dull polyamide 6 monofilament. The agglomeration of TiO₂ particles is relevant to the decrease of the spinning stability in the manufacturing of full dull fine denier polyamide 6 fibers.

Key words: X-ray computed tomography, Nano-CT technique, Polyamide 6 fiber, TiO₂ particles, Dispersion

CLC Number:

O641

TrendMD:

LIU Shao-Xuan, HONG You-Li, GAO Yun-Long, HUANG Wan-Xia, YUAN Qing-Xi, ZHANG Kai, LIU Yu-Feng, KANG Ting-Guo, ZHAO Ying, XU Yi-Zhuang, WU Jin-Guang. Characterization of the Dispersion of TiO₂ Particles in Fine Denier Polyamide 6 Monofilament via Nano-CT Technique[J]. Chem. J. Chinese Universities, 2013, 34(2): 269.

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Characterization of the Dispersion of TiO₂ Particles in Fine Denier Polyamide 6 Monofilament via Nano-CT Technique

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