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Properties of Solutions of Poly-(p-phenylenebenzobisthiazole) in Polyphosphoric Acids of Different Composition

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Fibre Chemistry Aims and scope

Abstract

The possibility of hydrolytic degradation of an oligomeric solvent—polyphosphoric acid—in finished spinning solution was established. The viscosity of the polymer solution can be decreased by decreasing the proportion of phosphoric anhydride in the solvent with a small change in the concentration of polymer in the solution; the properties of the fibre fabricated from such a solution do not worsen. When the degree of polymerization of the polyphosphoric acid decreases (up to its conversion to orthophosphoric acid), poly-(p-phenylenebenzobisthiazole) crystal solvates are crystallized into single crystals hundreds of micrometers in size.

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Authors and Affiliations

  1. All-Russian Scientific-Research Institute of Polymer Fibres, Mytishchi

    V. A. Platonov, V. N. Odnoralova, V. N. Kiya-Oglu, N. A. Gashinskaya & G. A. Budnitskii

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  1. V. A. Platonov
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  2. V. N. Odnoralova
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  3. V. N. Kiya-Oglu
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  4. N. A. Gashinskaya
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  5. G. A. Budnitskii
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Platonov, V.A., Odnoralova, V.N., Kiya-Oglu, V.N. et al. Properties of Solutions of Poly-(p-phenylenebenzobisthiazole) in Polyphosphoric Acids of Different Composition. Fibre Chemistry 32, 330–333 (2000). https://doi.org/10.1023/A:1004151523617

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  • DOI: https://doi.org/10.1023/A:1004151523617

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