Structure, Morphology, and Permeability of Cellulose Films
Makarov I.S. Golova L.K. Bondarenko G.N. Anokhina T.S. Dmitrieva E.S. Levin I.S. Makhatova V.E. Galimova N.Zh. Shambilova G.K.
March 2022MDPI
Membranes
2022#12Issue 3
The work is focused on the study of the influence of the cellulose type and processing parameters on the structure, morphology, and permeability of cellulose films. The free volume of the cellulose films was evaluated by the sorption of n‐decane, which is a non‐solvent for cellulose. The structural features of the membranes and their morphology were studied using X‐ray diffraction, IR spectroscopy, SEM, and AFM methods. The characteristic features of the porous structure and properties of cellulose films regenerated from cellulose solutions in the N‐methylmorpholine‐ N‐oxide (NMMO) and cellophane films were compared. Generally, cellulose films obtained from solutions in NMMO have a higher permeability and a lower rejection (as measured using Orange II dye) as compared to cellophane films. It was also found that the cellulose films have a higher ultimate strength and modulus, whereas the cellophane films are characterized by higher elongation at break.
Biobased membrane , Cellophane , Cellulose , N‐methylmorpholine‐N‐oxide , Permeability , Rejection , Structure
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A.V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, 29 Leninsky Prosp, Moscow, 119991, Russian Federation
Department of Chemistry and Chemical Technology, Kh. Dosmukhamedov Atyrau University, Atyrau, 060011, Kazakhstan
A.V. Topchiev Institute of Petrochemical Synthesis
Department of Chemistry and Chemical Technology
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