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Effect of Ammonium Salts on Hydrolysis of Polyester Fiber

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Fibre Chemistry Aims and scope

Results from studies of the alkaline hydrolysis of polyethylene terephthalate fiber to terephthalic acid by modified aqueous solutions of ammonium salts of various chemical nature are presented. The quaternary ammonium salts enabling the degree of substrate conversion, yield of terephthalic acid, and selectivity of polyester fiber reprocessing to be improved by changing the amorphous-crystalline structure of the polymer are determined.

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The x-ray structure analyses were performed at Lodz Technical University (Poland) in the framework of a collaboration agreement between St. Petersburg State University of Industrial Technologies and Design and Lodz Technical University.

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Authors and Affiliations

  1. St. Petersburg State University of Industrial Technologies and Design, St Petersburg, Russia

    A. P. Mikhailovskaya & A. A. Kaporov

Authors
  1. A. P. Mikhailovskaya
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  2. A. A. Kaporov
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Correspondence to A. P. Mikhailovskaya.

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Translated from Khimicheskie Volokna, No. 5, pp. 25-28, September– October, 2020.

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Mikhailovskaya, A.P., Kaporov, A.A. Effect of Ammonium Salts on Hydrolysis of Polyester Fiber. Fibre Chem 52, 341–345 (2021). https://doi.org/10.1007/s10692-021-10209-x

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  • DOI: https://doi.org/10.1007/s10692-021-10209-x

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