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Journal of Materials Science

, Volume 53, Issue 16, pp 11901–11916 | Cite as

Fabrication of high-strength polyoxymethylene fibers by gel spinning

  • Xudong Fang
  • Tom Wyatt
  • Jing Shi
  • Donggaang Yao
Polymers

Abstract

High-strength polyoxymethylene (POM) fibers were obtained by gel spinning with an oligomer–polymer blend instead of a conventional solution in an organic solvent. An optimal ratio of 80/20 (weight/weight) caprolactam/POM blend formed a gel upon cooling to ambient temperature and exhibited a melting temperature of 145 °C. The resulting blend was used in gel spinning of POM fibers with a 3-stage drawing process. Some outstanding features of a gel-spun POM fiber include a draw ratio of 40, a tensile strength at break of 2.01 ± 0.11 GPa and a Young’s modulus of 40.60 ± 0.69 GPa. The draw ratio and tensile strength of POM are significantly improved compared to those previously reported. The relationship between processing, structure and property was also investigated. Wide-angle X-ray diffraction and Raman spectroscopy demonstrate high crystallinity and good molecular orientation along the fiber drawing direction.

Notes

Acknowledgements

This work was supported by State Key Laboratory for Manufacturing Systems Engineering (Grant No. SKLMS2017003), State Key Laboratory of Robotics and System (HIT) (Grant No. SKLRS-2017-KF-03), National Natural Science Foundation of China (Grant No. 51703180), China Postdoctoral Science Foundation (Grant No. 2017M610634), the Fundamental Research Funds for the Central Universities(Grant No. xjj2017024), National Key Research & Development (R&D) plan (2016YFB0501604),111 Program (No. B12016) and New Teacher Research Program of Xi’an Jiaotong University.

Compliance with ethical standards

Conflicts of interest

The authors declare no conflict of interest.

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  1. 1.School of Mechanical EngineeringXi’an Jiaotong UniversityXi’anChina
  2. 2.School of Materials Science and EngineeringGeorgia Institute of TechnologyAtlantaUSA
  3. 3.State Key Laboratory for Manufacturing Systems EngineeringXi’anChina
  4. 4.State Key Laboratory of Robotics and System (HIT)HarbinChina

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