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Polyimide fibers prepared by dry-spinning process: imidization degree and mechanical properties

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Abstract

Polyimide fibers were prepared by dry spinning a polyamic acid solution to get the precursor fibers and then the precursor fibers were transferred into the polyimide fiber by heat treatment. The imidization degree (ID) of the precursor fibers obtained at various spinning conditions was investigated using FTIR and TGA analysis. As a result, the IDs of the precursor fibers increased with elevating spinning temperature. Meanwhile, the IDs measured by FTIR and TGA were much higher than the values from our model prediction. The tensile strength of precursor fibers exhibited a slight dependency on IDs. On the other hand, the complete imidization and hot stretching led to a great improvement in the mechanical properties. Subglass transition and glass transition of the stretched polyimide fibers were observed in DMA, and the activation energy of these transitions was 346 and 981 kJ mol−1, respectively.

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References

  1. Cheng SZD, Wu ZQ, Eashoo M, Hsu SLC, Harris FW (1991) Polymer 32(10):1803

    Article  CAS  Google Scholar 

  2. Eashoo M, Shen DX, Wu ZQ, Lee CJ, Harris FW, Cheng SZD (1993) Polymer 34(15):3209

    Article  CAS  Google Scholar 

  3. Zhang QH, Dai M, Ding MX, Chen DJ, Gao LX (2004) J Appl Polym Sci 93(2):669. doi:10.1002/App.20514

    Article  CAS  Google Scholar 

  4. Zhang QH, Luo WQ, Gao LX, Chen DJ, Ding MX (2004) J Appl Polym Sci 92(3):1653. doi:10.1002/app.20110

    Article  CAS  Google Scholar 

  5. Goel R, Hepworth A, Deopura B, Varma I, Varma D (1979) J Appl Polym Sci 23(12):3541

    Article  CAS  Google Scholar 

  6. Goel R, Varma I, Varma D (1979) J Appl Polym Sci 24(4):1061

    Article  CAS  Google Scholar 

  7. Park SK, Farris RJ (2001) Polymer 42(26):10087

    Article  CAS  Google Scholar 

  8. Irwin RS (1968) Formation of polypyromellitimide filaments. US Patent 3,415,782

  9. Irwin RS (1987) Filament of polyimide from pyromellitic acid dianhydride and 3, 4′-oxydianiline. US Patent 4,640,972

  10. Deng G, Xia Q, Xu Y, Zhang Q (2009) J Appl Polym Sci 113(5):3059. doi:10.1002/app.30236

    Article  CAS  Google Scholar 

  11. Zhu J, Wei S, Chen X, Karki AB, Rutman D, Young DP, Guo Z (2010) J Phys Chem C 114(19):8844

    Article  CAS  Google Scholar 

  12. Brekner MJ, Feger C (1987) J Polym Sci Part A 25(9):2479

    Article  CAS  Google Scholar 

  13. Pryde CA (1989) J Polym Sci Part A 27(2):711. doi:10.1002/pola.1989.080270229

    Article  CAS  Google Scholar 

  14. Pryde C (1993) J Polym Sci Part A 31(4):1045

    Article  CAS  Google Scholar 

  15. Kreuz JA, Endrey A, Gay F, Sroog C (1966) J Polym Sci Part A‐1 4(10):2607

    Article  CAS  Google Scholar 

  16. Johnson C, Wunder S (1993) J Polym Sci Part B 31(6):677

    Article  CAS  Google Scholar 

  17. Snyder RW, Thomson B, Bartges B, Czerniawski D, Painter PC (1989) Macromolecules 22(11):4166. doi:10.1021/ma00201a006

    Article  CAS  Google Scholar 

  18. Hsu T-CJ, Liu Z-L (1992) J Appl Polym Sci 46(10):1821. doi:10.1002/app.1992.070461014

    Article  CAS  Google Scholar 

  19. Arnold FE Jr, Bruno KR, Shen D, Eashoo M, Lee CJ, Harris FW, Cheng SZD (1993) Polym Eng Sci 33(21):1373

    Article  CAS  Google Scholar 

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Acknowledgements

Financial support for this work was provided by the NSFC (51173024, 51233001), the 863 plan (2012AA03A211), the Shuguang Plan (09SG30), and the 111 Project (111-2-04).

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Correspondence to Qinghua Zhang.

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Xu, Y., Wang, S., Li, Z. et al. Polyimide fibers prepared by dry-spinning process: imidization degree and mechanical properties. J Mater Sci 48, 7863–7868 (2013). https://doi.org/10.1007/s10853-013-7310-0

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  • DOI: https://doi.org/10.1007/s10853-013-7310-0

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