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Sorption properties of secondary enriched secondary leather tissue imitation-enriched with elastic polymer adhesives based on raw rubber

Field of Science:Colloid and Surface ChemistryEngineeringEnvironmental Engineering
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O_TJ.2025.03.29_29ff3be0.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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Favorable conditions during the exploitation of leather materials are largely determined by the sorption and hygienic properties of leather, which in turn depend on the development of its inner surface, the size, number and configuration of pores, as well as the degree of blocking of active groups of collagen in leather that can interact with vapors. The main part of the studies was carried out by the desiccator method. To study the adsorption process in leather, a spring balance device was used. Water vapor sorption was controlled by independent weighing, which significantly increased the accuracy of the experiment. The sorption isotherms of leather tissue treated with elastic polymer adhesive based on rubber have an S-shaped form and belong to type 2 according to Brunauer classification. Three stages are observed on the isotherms: mono-, polymolecular adsorption and capillary condensation. In the capillary condensation region, the structure of collagen protofibrils and fibrils is reflected, and capillary radii of 50-400 nm were determined.

AUTHORS

G.Jumayeva

TOSHKENT TO'QIMACHILIK VA YENGIL SANOAT INSTITUTI

Tags

# dynamics# exploitation# collagen# hygienic properties# inner surface# pore volume# sorption properties# water vapor# elastic polymer adhesive# finished secondary leather tissue

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