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Homogeneity of the PAN/DMSO/H2O spinning solutions

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Abstract

The homogeneity of PAN/DMSO/H2O spinning dopes with conventional PAN molecular weight and comparative high PAN concentration have been investigated using rheology method. The rheological results show that G′ and G″ of these solutions increase with increasing oscillation frequency. At lower temperature and higher H2O content, higher viscous modulus and elastic modulus are observed, too. The homogeneity of PAN/DMSO/H2O systems is reflected through the logG′-logG″ plots as well as gel point temperatures. The theoretical analysis indicates PAN/DMSO/H2O spinning solutions with conventional PAN molecular weight are close to homogeneous systems, which are very suitable for gel spinning.

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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, P. R. China

    Weiping Du, Huifang Chen, Haifeng Xu & Ding Pan

Authors
  1. Weiping Du
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  2. Huifang Chen
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  3. Haifeng Xu
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  4. Ding Pan
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Correspondence to Huifang Chen.

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Du, W., Chen, H., Xu, H. et al. Homogeneity of the PAN/DMSO/H2O spinning solutions. Fibers Polym 10, 290–294 (2009). https://doi.org/10.1007/s12221-009-0290-7

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  • DOI: https://doi.org/10.1007/s12221-009-0290-7

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