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Improving the dyeing process of cotton-bamboo fabric

Field of Science:Chemical EngineeringChemical Engineering (miscellaneous)Colloid and Surface ChemistryGeneral Chemical Engineering
National field of science (HAC):02.00.06 — High-molecular compounds02.00.07 — Chemistry and technology of composite, paint-and-varnish and rubber materials02.00.08 — Chemistry and technology of oil and gas02.00.13 — Technology of inorganic substances and materials based on them02.00.14 — Technology of organic substances and materials based on them02.00.15 — Technology of silicate and refractory non-metallic materials02.00.16 — Processes and apparatuses of chemical technology and food production02.00.18 — Technology of processing and storage of fishery products04.00.14 — Mineral processing06.01.11 — Storage and processing of agricultural products02.00.05 — Chemistry and technology of cellulose and pulp-and-paper production02.00.17 — Technologies and biotechnologies for processing, storage and refining of agricultural and food products03.00.12 — Biotechnology
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O_TJ.2025.01.21_033701ed.pdf

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“TEXTILE JOURNAL OF UZBEKISTAN” Scientific-technical journal

“TEXTILE JOURNAL OF UZBEKISTAN” Scientific-technical journal

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ARTICLE ANNOTATION

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The article studies the dyeing indices of mixed fabric based on cotton and bamboo fibers depending on the alkali concentration during the mercerization of cotton fibers. It is revealed that with an increase in the alkali concentration, the degree of crystallinity of cotton fiber decreases and when processed in a solution with a concentration of 250-300 g/l, it approaches the degree of crystallinity of bamboo fiber. Electron microscopic images of cotton fibers treated with a solution of caustic soda showed that the chemical interaction of caustic soda with cellulose occurs as an exothermic reaction. Cotton fibers, after alkaline treatment, acquire shine and silkiness, the morphology of the fiber changes, their hygroscopicity and dyeability increase. The coloristic characteristics of the samples of blended fabrics were assessed by the indices of color intensity, color fastness to washing, sweat and friction. The tint variation of the dyed blended fabrics was also determined. It was shown that, due to the dense structure and increased polymerization degree of the untreated cotton fiber, the intensity of both fibers differs greatly. After chemical treatment of fabrics containing bamboo fiber in the mixture, it exhibits its color properties, combining the properties of both components of the fiber.

AUTHORS

М.Хасанова

TOSHKENT TO'QIMACHILIK VA YENGIL SANOAT INSTITUTI

Tags

# cotton fiber# dyeing# bamboo fiber# blended fabric# crystallinity degree# alkaline treatment

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