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Variation of Parameters of Organochlorine Compounds, Whiteness, and Absorption Spectra During Multistage Bleaching of Cellulose

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Fibre Chemistry Aims and scope

The results of physicochemical and spectroscopic investigations of deciduous sulfate cellulose at various stages of ECF bleaching are presented. Significant changes in whiteness, the content of organochlorine compounds (OCC), the intensity of absorption bands for the conjugated and unconjugated CP%O groups at the first stages of bleaching, and their stabilization at later stages are demonstrated. The weak effect of multistage bleaching on the structure of the cellulose is demonstrated. Calibration models were constructed for rapid assessment of the parameters of the OCCs and whiteness from the IR spectra.

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The work was carried out with financial support within the framework of state project 10.6052.2017/8.9.

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Authors and Affiliations

  1. AO Group “Ilim”, 165651 Koryazhma, Arkhangelsk Region, Russia

    A. V. Koksharov

  2. Higher School of Technology and Energetics, St. Petersburg State University of Technologies and Design, St. Petersburg, Russia

    O. Yu. Derkacheva, D. A. Sukhov, E. M. Novikov & V. I. Leiman

Authors
  1. A. V. Koksharov
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  2. O. Yu. Derkacheva
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  3. D. A. Sukhov
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  4. E. M. Novikov
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  5. V. I. Leiman
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Correspondence to O. Yu. Derkacheva.

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Translated from Khimicheskie Volokna, No. 3, pp. 72-75, May-June, 2018.

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Koksharov, A.V., Derkacheva, O.Y., Sukhov, D.A. et al. Variation of Parameters of Organochlorine Compounds, Whiteness, and Absorption Spectra During Multistage Bleaching of Cellulose. Fibre Chem 50, 215–218 (2018). https://doi.org/10.1007/s10692-018-9963-6

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  • DOI: https://doi.org/10.1007/s10692-018-9963-6

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