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Synthesis of Poly-(p-Phenylenebenzobisthiazole) Used for Manufacture of Thermostable High-Modulus Fibres

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Fibre Chemistry Aims and scope

Abstract

The possibility of reducing the duration of synthesis of poly(p-phenylenebenzobisthiazole) (PPBT) from 2,5-diamino-1,4-dimercaprobenzene and terephthalic acid in polyphosphoric acid medium with production of a high-molecular-weight with [η] = 24-29 dl/g is demonstrated. It is shown that with a lower duration of synthesis of PPBT, polycondensation solutions have a lower viscosity (1500-2000 Pa·sec) at 150-165°C, which facilitates spinning of high-strength and high-modulus fibres.

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Authors and Affiliations

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

    V. N. Odnoralova, V. N. Kiya-Oglu, N. I. Goryacheva, A. V. Ivanova, V. I. Ognev, V. A. Platonov & G. A. Budnitskii

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  1. V. N. Odnoralova
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  2. V. N. Kiya-Oglu
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  3. N. I. Goryacheva
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  4. A. V. Ivanova
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  5. V. I. Ognev
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  6. V. A. Platonov
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  7. G. A. Budnitskii
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Odnoralova, V.N., Kiya-Oglu, V.N., Goryacheva, N.I. et al. Synthesis of Poly-(p-Phenylenebenzobisthiazole) Used for Manufacture of Thermostable High-Modulus Fibres. Fibre Chemistry 34, 319–323 (2002). https://doi.org/10.1023/A:1022106815636

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  • DOI: https://doi.org/10.1023/A:1022106815636

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