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Increasing of Skin Consumer Properties by Optimization of Filling Composition in its Manufacturing Technology

The filling process is studied in the manufacture of elastic skin by optimizing the filling composition. At the same time, the four-component composition includes oligomers and polymers of natural and synthetic origin. The process of filling the tannery is carried out using the technology of private joint-stock company "Chinbar" (Ukraine, Kiev). The aim of research is producing highly elastic leather from the semi-finished product of chrome tanning, obtained from the raw materials of pig skins, with a complex of improved consumer properties by optimizing the composition of the filling composition.

Investigation of the composition consists in using a mathematical model for the four-component composition, developing a multithreaded program using the McLean-Anderson method, taking into account the type of model, determining the experimental compositions by the D-optimality criterion. The optimum composition is established at the maximum of the desirability function, which corresponded to the best compromise value of the consumer skin indices - volume yield of the material, its stiffness and imaginary specific mass.

The technology of filling is developed to ensure the formation of more homogeneous topographic patches of skin material from pig skins with a complex of high consumer properties. At the same time, the received leather material by conditional module exceeds 15% of the skin, manufactured using the technology of PJSC "Chinbar", and according to physical and mechanical characteristics it meets the requirements for the properties of garments in accordance with GOST 3115-95 and the quality management system according to interstate standards "ISO 9001:2008 ".

Author(s): А Hr Danylkovych and OО Romaniuk

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Abstracted/Indexed in

  • Chemical Abstracts Service (CAS)
  • Open J Gate
  • Genamics JournalSeek
  • China National Knowledge Infrastructure (CNKI)
  • Directory of Research Journal Indexing (DRJI)
  • Publons
  • International Committee of Medical Journal Editors (ICMJE)
  • Serials Union Catalogue (SUNCAT)
  • Geneva Foundation for Medical Education and Research
  • Secret Search Engine Labs