Optimization of leather material filling-plasticizing process using disperse system

Authors

  • Anatoliy Danylkovych Kyiv National University of Technologies and Design Nemirovich-Danchenko str., 2, Kyiv, Ukraine, 01011, Ukraine
  • Olga Sanginova National Technical University of Ukraine "Igor Sikorsky Kyiv Polytechnic Institute" Peremohy ave., 37, Kyiv, Ukraine, 03056, Ukraine https://orcid.org/0000-0001-6378-7718
  • Vasyl Chervinskyi National Technical University of Ukraine "Igor Sikorsky Kyiv Polytechnic Institute" Peremohy ave., 37, Kyiv, Ukraine, 03056, Ukraine https://orcid.org/0000-0001-7529-1322

DOI:

https://doi.org/10.15587/1729-4061.2016.79459

Keywords:

Hooke­Jeeves method, optimization of filling­plasticizing process, leather material, technological properties

Abstract

The second­order mathematical model is obtained on the basis of experimental data at the PJSC Chinbar (Ukraine) using experimental design techniques. The model describes the semi­finished leather filling­ plasticizing process adequately. The filling­plasticizing leather material is obtained from cattle raw material using chrome tanning method and slicing the material to 1.5–1.6 mm thickness. The dispersing mixture of natural fats and oils: beef tallow, sunflower oil, and fish oil in a ratio of 1:1.75:2.25 % was used for plasticizing the semi­finished material. The nonionic surface active agent was used to emulsify the fats. The diagrams of single­factor dependencies for simulation models are obtained, and the influence of disperse system ingredients on basic technological properties of the leather material are analysed. The studied ingredients were plasticizer, modified filler, nonionic surfactant. The studied quality parameters were the output area of the semi­finished product, the total content of fatty substances in the tanning material and the hardness of material.

The software calculation module in the Visual basic for Application environment is developed to automate the calculation of the optimal dispersed system composition. The module allows converting multi­criteria task into single­ criterion task using maximin convolution and Hooke­Jeeves method to solve the optimization task. As a result, the optimum values of the factors that influence the semi­finished leather filling­plasticizing process conditions are found. The optimum values of the concentration parameters of disperse system ingredients using multi­criteria constrained optimization task of the filling­ plasticizing process are found. The output area of the leather material with a minimum hardness of 19.0 sN is increased as compared to the control technology by 7.0 % with 115.3, 22.5, 23.9 concentrations in the solution of plasticizer, modified filler and a nonionic surfactant, respectively. In addition, the fatty substances content in the finished material is 7.6 %, that complies with DSTU 3115­95 “Leather for Garments. General Specifications”. The developed software module can be applied for the optimization of technological processes of composite materials formation.

Author Biographies

Anatoliy Danylkovych, Kyiv National University of Technologies and Design Nemirovich-Danchenko str., 2, Kyiv, Ukraine, 01011

Doctor of Technical Sciences, Professor

Department of Biotechnology, leather and fur

 

Olga Sanginova, National Technical University of Ukraine "Igor Sikorsky Kyiv Polytechnic Institute" Peremohy ave., 37, Kyiv, Ukraine, 03056

PhD, Associate Professor

Department of Cybernetic Chemical Technological Process

Vasyl Chervinskyi, National Technical University of Ukraine "Igor Sikorsky Kyiv Polytechnic Institute" Peremohy ave., 37, Kyiv, Ukraine, 03056

Postgraduate student

Department of Cybernetic Chemical Technological Process

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Published

2016-10-30

How to Cite

Danylkovych, A., Sanginova, O., & Chervinskyi, V. (2016). Optimization of leather material filling-plasticizing process using disperse system. Eastern-European Journal of Enterprise Technologies, 5(6 (83), 49–54. https://doi.org/10.15587/1729-4061.2016.79459

Issue

Vol. 5 No. 6 (83) (2016): Technology organic and inorganic substances

Section

Technology organic and inorganic substances

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Copyright (c) 2016 Anatoliy Danylkovych, Olga Sanginova, Vasyl Chervinskyi

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