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The Bombyx mori chitosan and Artemia sp.cysts chitosan were isolated from different sources, and nanofibers based on them were electrospun from the acetic acid solutions. The rheological properties of chitosan solution in 80% acetic acid were investigated. The structure and morphology of the nanofibers were characterized by Fourier transform infrared (FTIR) spectroscopy, X-ray diffraction, and scanning electron microscope (SEM). It was revealed that the structure of chitosan samples changes when producing nanofibers by electrospinning.

In this article the possibility of using licorice root waste as a fibrous raw material in the pulp and paper industry is investigated. It is shown it is possible to add up to 25% of bleached cellulose from licorice root waste to the paper composition for the production of writing paper.