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Textile Journal of Uzbekistan

Abstract

The article presents the results of experimental studies on the development of technology for pre-tanning, tanning and dyeing processes of African ostrich hides. The skin of the African ostrich is an exotic skin. It has a peculiar front surface and is distinguished by a topographic feature. The conducted studies took into account the methods of conservation, thickness, density of topographic areas and the content of natural fatty inclusions in the leather of the hides. A decent content of fatty inclusions in the skins of the body adversely affects the preparation and tanning processes. To prevent this negative effect of fat deposits, attention was paid to the process of “Degreasing” in the pre-tanning processes and to the “Washing” in the processes of dyeing ostrich skin. The processes of degreasing and dyeing were carried out similarly to the technology of Engineering Science and Materials: Technology shoe and leather industry 2 Textile Journal of Uzbekistan №2/2019 degreasing and dyeing the skin from the calf and outgrowth. The “Degreasing” and “Washing” processes ensured uniform dyeing, good penetration and consolidation of filling and fattening substances in technological processes. Organoleptic evaluation is produced and the physical-chemical characteristics of the leather semi-finished product is determined. These indicators were compared with those of GOST, and on the basis of the comparison, suggestions for using ostrich leather products from it were made.

References

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