Technologies and Engineering
Technologies and Engineering
ISSN 2786-5371 e-ISSN 2786-538X
DOI: 10.30857/2786-5371
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Author

Olga Andreyeva

Doctor of Technical Sciences, Professor

Kyiv National University of Technologies and Design

01011, 2 Mala Shyianovska Str., Kyiv, Ukraine

https://orcid.org/0000-0001-8374-2306

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Keywords: : leather production; modified fatliquor materials; chemical nature; collagen; gelatin; IR spectroscopy

Спектроскопічні дослідження хімічної природи та взаємодії з колагеном модифікованих жирувальних матеріалів

Antonina Zaiets, Olga Andreyeva

https://doi.org/10.30857/2786-5371.2024.1.9

Suggested citation

Zaiets, A., & Andreyeva, O. (2024). Спектроскопічні дослідження хімічної природи та взаємодії з колагеном модифікованих жирувальних матеріалів. Technologies and Engineering, 25(1), 85-97. https://doi.org/10.30857/2786-5371.2024.1.9
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  • 28.02.2024
  • 457 Views
  • Technologies and Engineering - Vol. 25, No. 1, 2024
open access

Keywords: leather production, chemical materials, properties, structure, IR spectroscopy

Research of new chemical materials for liquid finishing of leather

Nataliia Pervaia, Olga Andreyeva

https://doi.org/10.1109/5.771073

Suggested citation

Pervaia, N., & Andreyeva, O. (2020). Research of new chemical materials for liquid finishing of leather. Technologies and Engineering, 21(1), 71-85. https://doi.org/10.1109/5.771073
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  • 26.02.2020
  • 456 Views
  • Technologies and Engineering - Vol. 21, No. 1, 2020
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Keywords: leather production, fatliquoring preparations, properties, chemical nature, IR spectroscopy

Physicalchemical and ir-spectroscopic research of new fatliquoring preparations

Nataliia Pervaia, Olga Andreyeva

https://doi.org/DOI:10.30857/1813-6796.2019.6.8

Suggested citation

Pervaia, N., & Andreyeva, O. (2019). Physicalchemical and ir-spectroscopic research of new fatliquoring preparations. Technologies and Engineering, 20(6), 81-94. https://doi.org/DOI:10.30857/1813-6796.2019.6.8
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  • 19.12.2019
  • 465 Views
  • Technologies and Engineering - Vol. 20, No. 6, 2019
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Keywords: liquid finishing, parameters, chemical materials, mathematical model, leather, indices

Optimization the parameters of liquid finishingof leather

Nataliia Pervaia, Oleh Nikonov, Olga Andreyeva

https://doi.org/DOI:10.30857/1813-6796.2019.2.4

Suggested citation

Pervaia, N., Nikonov, O., & Andreyeva, O. (2019). Optimization the parameters of liquid finishingof leather. Technologies and Engineering, 20(2), 40-50. https://doi.org/DOI:10.30857/1813-6796.2019.2.4
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  • 24.04.2019
  • 495 Views
  • Technologies and Engineering - Vol. 20, No. 2, 2019
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Keywords: liquid finishing, chemical materials for neutralization, retanning-filling, leather semifinished products, leather

Investigation of the influence of liquid finishing processes on properties of natural leather

Nataliia Pervaia, A. Nikonova, Olga Andreyeva

https://doi.org/10.1109/5.771073

Suggested citation

Pervaia, N., Nikonova, A., & Andreyeva, O. (2019). Investigation of the influence of liquid finishing processes on properties of natural leather. Technologies and Engineering, 20(1), 46-55. https://doi.org/10.1109/5.771073
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  • 27.02.2019
  • 419 Views
  • Technologies and Engineering - Vol. 20, No.1, 2019