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Journal of Materials Science

, Volume 43, Issue 18, pp 6132–6138 | Cite as

Structures, thermal stability, and crystalline properties of polyamide6/organic-modified Fe-montmorillonite composite nanofibers by electrospinning

  • Yibing Cai
  • Qi Li
  • Qufu Wei
  • Yibang Wu
  • Lei Song
  • Yuan Hu
Article

Abstract

In the present work, Fe-montmorillonite (Fe-MMT) was synthesized by hydrothermal method, and then was modified by cetyltrimethyl ammonium bromide (CTAB). The polyamide6 (PA6)/organic-modified Fe-montmorillonite (Fe-OMT) composite nanofibers were prepared by facile compounding and electrospinning. Fe-OMT was first dispersed in N, N-dimethyl formamide and then compounded with PA6 which was dissolved in formic acid. The composite solutions were electrospun to form PA6/Fe-OMT composite nanofibers. The structure, morphology, thermal stability, and crystalline properties of the composite nanofibers were characterized by Fourier transfer infrared (FTIR) spectra, Energy dispersive X-ray spectroscopy (EDX), X-ray diffraction (XRD), High-resolution electron microscopy (HREM), Scanning electron microscopy (SEM), and Thermogravimetric analyses (TGA), respectively. It was found that the silicate clay layers were well exfoliated within the composite nanofibers and were oriented along the fiber axis. The SEM images indicated that the loading of Fe-OMT decreased the diameters of composite nanofibers. TGA analyses revealed that the thermal stability was notably improved in the presence of silicate clay. It was also observed from wide-angle XRD analyses that the presence of nanoclays improved the γ-form crystals and induced the formations of α-form crystals of the PA6, attributed to effective nucleating effects of silicate clay platelets.

Keywords

Silicate Clay Composite Nanofibers Electrospun Nanofibers HREM Image Silicate Clay Layer 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Notes

Acknowledgements

The work was financially supported by the Program for New Century Excellent Talents in University (No. NCET-06-0485), the Specialized Research Fund for the Doctoral Program of Higher Education (No. 20060295005), Program for Innovative Team of Jiangnan University (PIRTJiangnan), and Program of Jiangnan University (No. 206000-21050737).

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Copyright information

© Springer Science+Business Media, LLC 2008

Authors and Affiliations

  • Yibing Cai
    • 1
    • 2
  • Qi Li
    • 1
  • Qufu Wei
    • 1
  • Yibang Wu
    • 1
  • Lei Song
    • 2
  • Yuan Hu
    • 2
  1. 1.Key Laboratory of Eco-Textiles, Ministry of EducationJiangnan UniversityWuxiPeople’s Republic of China
  2. 2.State Key Laboratory of Fire ScienceUniversity of Science and Technology of ChinaHefeiPeople’s Republic of China

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