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Studies on spinning and rheological behaviors of regenerated silk fibroin/N-methylmorpholine-N-oxide·H2O solutions

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Abstract

In this paper, N-Methylmorpholine-N-Oxide (NMMO) was used as solvent for regenerated silk fibroin (RSF). Concentrated solutions with RSF content from 10 to 25 wt% were obtained by dissolving RSF film into NMMO monohydrate. The spinning and rheological properties of RSF/NMMO·H2O solutions were studied by a simple piston type single filament spinning apparatus and HAAKE RS150L rheometer, respectively. The results are discussed to understand the influences of shear rate, temperature and RSF concentration on the rheological behaviors of RSF/NMMO·H2O and to choose appropriate process condition for spinning. Spinning was performed using a dry-wet spinning process. The regenerated silk fibre was prepared successfully and the tenacity can reach to 3.07cN/dtex.

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Authors and Affiliations

  1. State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Material Science and Engineering, Donghua University, Shanghai, 200051, P. R. China

    Ying Xu, Huili Shao, Yaopeng Zhang & Xuechao Hu

Authors
  1. Ying Xu
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  2. Huili Shao
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  3. Yaopeng Zhang
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  4. Xuechao Hu
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Correspondence to Huili Shao.

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Xu, Y., Shao, H., Zhang, Y. et al. Studies on spinning and rheological behaviors of regenerated silk fibroin/N-methylmorpholine-N-oxide·H2O solutions. J Mater Sci 40, 5355–5358 (2005). https://doi.org/10.1007/s10853-005-4301-9

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  • DOI: https://doi.org/10.1007/s10853-005-4301-9

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