Improving water resistance of chrome-tanned leather by alkene-maleic composition

Authors

  • Анатолій Григорович Данилкович Kyiv National University of Technologies and Design, Str. Nemirovich-Danchenko, 2, Kyiv, Ukraine, 01011, Ukraine https://orcid.org/0000-0002-5707-0419
  • Наталія Володимирівна Омельченко Higher educational institution of Ukoopspilka «Poltava University of Economics and Trade» 3, Koval Street, Poltava, Ukraine, 36014, Ukraine https://orcid.org/0000-0003-3718-8484
  • Наталія В’ячеславівна Лисенко Higher educational institution of Ukoopspilka «Poltava University of Economics and Trade» 3, Koval Street, Poltava, Ukraine, 36014, Ukraine https://orcid.org/0000-0003-1377-5588

DOI:

https://doi.org/10.15587/1729-4061.2014.26247

Keywords:

chrome-tanned leather, water resistance, grease composition, alkene-maleic polymer, processing, hydrophobization

Abstract

To solve the problem of improving the performance properties of hydrophobic leather materials and products, a wide range of chemical materials and methods of their application in manufacturing technologies of leather for various purposes are used.

The influence of processing semi-finished leather by alkene-maleic composition of the chemical composition and physicochemical properties hydrophobizated material was determined in the paper. Hydrophobization of semi-finished product was performed after its neutralization by formate and sodium bicarbonate, washing, dyeing, retanning by mixture of organic-mineral tannins. Greasing-hydrophobization was performed after increasing the temperature of the solution, containing alkene-maleic polymer, formic acid and fish oil or sunflower oil, further fixation was performed by potassium alums in the presence of masking solution - sodium formate.

Using AMC compared to traditional greasing leads to an increase in the amount of bound fatty substances in the semi-finished product by 1,7-2,0 times and a corresponding reduction of substances, extracted by organic solvents.

Semi-finished product, obtained using this technology is characterized by high deformation capacity and stiffness less by 18-20% compared to the materials, produced using the control option 6, and water permeability in dynamic conditions is higher by 45-48 times.

The obtained research results confirm that using alkene-maleic composition in manufacturing technology of leather materials allows to produce them with high hydrophobic effect and complex of necessary physicochemical properties and suggest that alkene-maleic composition, developed and implemented in the production is a promising water-repellent reagent that can be effectively used in manufacturing technologies of leather for everyday and special shoes, suitable for extreme conditions.

Author Biographies

Анатолій Григорович Данилкович, Kyiv National University of Technologies and Design, Str. Nemirovich-Danchenko, 2, Kyiv, Ukraine, 01011

Professor

Department of Technology Leather and Fur

Наталія Володимирівна Омельченко, Higher educational institution of Ukoopspilka «Poltava University of Economics and Trade» 3, Koval Street, Poltava, Ukraine, 36014

Docent

Expertise and customs chair 

Наталія В’ячеславівна Лисенко, Higher educational institution of Ukoopspilka «Poltava University of Economics and Trade» 3, Koval Street, Poltava, Ukraine, 36014

Assistant

Expertise and customs chair 

References

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Published

2014-08-08

How to Cite

Данилкович, А. Г., Омельченко, Н. В., & Лисенко, Н. В. (2014). Improving water resistance of chrome-tanned leather by alkene-maleic composition. Eastern-European Journal of Enterprise Technologies, 4(6(70), 62–66. https://doi.org/10.15587/1729-4061.2014.26247

Issue

Vol. 4 No. 6(70) (2014): Technology organic and inorganic substances

Section

Technology organic and inorganic substances

License

Copyright (c) 2014 Анатолій Григорович Данилкович, Наталія Володимирівна Омельченко, Наталія В’ячеславівна Лисенко

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