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. 2022 May 16;14(10):2030. doi: 10.3390/polym14102030

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© 2022 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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FT-IR spectra of the regenerated cellulose fibers with or without additives: (a) FT-IR spectra of the wavenumber at 4000~600 cm⁻¹; (b) FT-IR spectra of the wavenumber at 3800~2650 cm⁻¹; (c) FT-IR spectra of the wavenumber at 1500~1150 cm⁻¹; (d) FT-IR spectra of the wavenumber at 1200~650 cm⁻¹.

FT-IR spectra of the regenerated cellulose fibers with or without additives: (a) FT-IR spectra of the wavenumber at 4000~600 cm⁻¹; (b) FT-IR spectra of the wavenumber at 3800~2650 cm⁻¹; (c) FT-IR spectra of the wavenumber at 1500~1150 cm⁻¹; (d) FT-IR spectra of the wavenumber at 1200~650 cm⁻¹.