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Effective knitted fabric dyeing with natural dyes based on Sophora

Field of Science:ChemistryChemistry (miscellaneous)
National field of science (HAC):01.04.06 — Polymer physics02.00.01 — Inorganic chemistry02.00.02 — Analytical chemistry02.00.03 — Organic chemistry02.00.04 — Physical chemistry02.00.06 — High-molecular compounds02.00.07 — Chemistry and technology of composite, paint-and-varnish and rubber materials02.00.08 — Chemistry and technology of oil and gas02.00.09 — Commodity chemistry02.00.10 — Bioorganic chemistry02.00.11 — Colloid and membrane chemistry02.00.12 — Nanochemistry, nanophysics and nanotechnology02.00.13 — 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 production04.00.08 — Mineralogy. Crystallography06.01.04 — Agrochemistry11.00.03 — Land hydrology. Water resources. Hydrochemistry15.00.02 — Pharmaceutical chemistry and pharmacognosy02.00.05 — Chemistry and technology of cellulose and pulp-and-paper production02.00.17 — Technologies and biotechnologies for processing, storage and refining of agricultural and food products04.00.02 — Geology, prospecting and exploration of solid mineral deposits. Metallogeny and geochemistry
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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 presents the results of research aimed at developing a scientifically based technology for dyeing knitted fabric from cotton yarn with natural dyes based on local flora, which leads to the production of new, environmentally friendly and cost-effective, high-quality ranges of textile products. When developing this effective dyeing technology, natural dyes based on Sophora beans were used, extracted with various intensifying salts (NaCl and Na2CO3) and pH conditions, which, depending on their nature, provide a high yield of dye from the plant. Thus, the yield of natural dye from Sophora beans in the presence of NaCl increases by 42%, and in the presence of Na2CO3 by 62.5% in comparison with the dye extracted without IE. The possibility of obtaining these dyes in the form of a paste or powder safely solves the issue of its storage. In this scientific work, search work was carried out on the selection of mordant salts (CuSO4, KAl(SO4)3, K2Cr2O7), and their influence on the quality characteristics of the studied knitted fabric samples was determined. At the next stage of the work, the best dyeing methods are determined and proposed in relation to the nature of each plant and the selected mordant salts. The positive results of qualitative and coloristic analyses of dyed samples with natural sophora-based dyes make it possible to offer a resource-saving, innovative and environmentally friendly technology for dyeing cotton yarn, leading to the production of new high-quality, environmentally friendly textile materials offered for small and private enterprises, ensuring social and economic efficiency.

AUTHORS

Н.Амирова

TOSHKENT TO'QIMACHILIK VA YENGIL SANOAT INSTITUTI

Tags

# environment# textile materials# natural dyes# local flora# knitted fabric# Sophora# resource-saving technology# dyeing with natural dyes# intensifying extraction salts# mordant salts# social and economic efficiency

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