Modern Technology for the Production of Hydrated Cellulose Fibers 


Vol. 25,  No. 3, pp. 913-921, Mar.  2024
10.1007/s12221-024-00485-9


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  Abstract

The paper discusses experimental techniques for pulping, bleaching, and creating manmade fibers based on Na-sulfite and Mg-bisulfite dissolving pulps utilizing a dry-jet wet spinning procedure with solutions in N-methylmorpholine-N-oxide. After pulping, Mg-bisulfite pulp had a cellulose yield of 46.1% and Na-sulfite pulp of 44.0%. For Na-sulfite and Mg-bisulfite pulps, the Kappa number was 14.1 and 15.6 units, respectively. According to TCF technology, the overall yield of the semi-finished product after bleaching was 33.5% for Na-sulfite pulp and 36.4% for Mg-bisulfite pulp. For Na-sulfite and Mg-bisulfite pulps, the α-cellulose content was 92% and 91%, respectively. Spinning solutions of various concentrations were obtained from the resulting cellulose, and their rheological behavior was determined. The fibers were spun using the dry-jet wet spinning technique from 14% cellulose solutions, and their morphology and structure were examined. The fibers’ revealed mechanical properties are superior to viscose fibers and on par with those of commercial Lyocell fiber analogs.

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  Cite this article

[IEEE Style]

J. Sevastyanova, J. V. Sevastyanova, I. S. Makarov, A. V. Potashev, V. V. Medvedev, M. I. Vinogradov, S. A. Legkov, E. E. Palchikova, "Modern Technology for the Production of Hydrated Cellulose Fibers," Fibers and Polymers, vol. 25, no. 3, pp. 913-921, 2024. DOI: 10.1007/s12221-024-00485-9.

[ACM Style]

Julia Sevastyanova, Julia V. Sevastyanova, Igor S. Makarov, Alexander V. Potashev, Vasiliy V. Medvedev, Markel I. Vinogradov, Sergey A. Legkov, and Ekaterina E. Palchikova. 2024. Modern Technology for the Production of Hydrated Cellulose Fibers. Fibers and Polymers, 25, 3, (2024), 913-921. DOI: 10.1007/s12221-024-00485-9.

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pISSN : 1229 - 9197
eISSN : 1875 - 0052

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