ИЗМЕНЕНИЕ ТЕРМИЧЕСКИХ ХАРАКТЕРИСТИК ВТОРИЧНОЙ ЦЕЛЛЮЛОЗЫ В ПРОЦЕССЕ БИОМОДИФИКАЦИИ
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To improve the texture, quality, and processing efficiency of recycled cellulose fabrics, biotreatment with the enzyme cellulase was performed. A comprehensive study of the thermal and structural-phase properties of the bio-polished fabrics was carried out to determine their microstructure, thermal stability, degree of crystallinity, and potential for further technological processing. FTIR spectra, TGA and DTA curves were analyzed for the original recycled cellulose fabric, fabrics modified using the traditional soap-alkaline method, and those treated with the novel enzymatic method. The enzymatic method was shown to offer advantages in preparing recycled cellulose for dyeing by increasing the proportion of the amorphous cellulose matrix, reducing intermolecular hydrogen bonding, and removing impurities of accompanying copolymers.
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