Technologies and Engineering
Technologies and Engineering
ISSN 2786-5371 e-ISSN 2786-538X
DOI: 10.30857/2786-5371
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Vol. 20, No. 5, 2019

  • 07.11.2019

Technologies and Engineering

ISSN (print) 2786-5371

ISSN (online) 2786-538X

Publisher: Kyiv National University of Technologies and Design

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All articles from the issue

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Experimental determination of energy required for separation of metal parts from sprues

Keywords: separation from gates, “zipper” lock, mechanical energy, working capacity

Mark Zaliubovskyi, I. Panasiuk, Viktor Malyshev

https://doi.org/10.1109/5.771073

Suggested citation

Zaliubovskyi, M., Panasiuk, I., & Malyshev, V. (2019). Experimental determination of energy required for separation of metal parts from sprues. Technologies and Engineering, 20(5), 17-25. https://doi.org/10.1109/5.771073
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  • 23.10.2019
  • 372 Views
  • Technologies and Engineering - Vol. 20, No. 5, 2019
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Regression model of space of heat comfort states

Keywords: ergonomics of the thermal environment, hyperspace of system states, modeling, regression analysis

P. Yahanov, Anastasiia Redko

https://doi.org/DOI:10.30857/1813-6796.2019.5.3

Suggested citation

Yahanov, P., & Redko, A. (2019). Regression model of space of heat comfort states. Technologies and Engineering, 20(5), 26-34. https://doi.org/DOI:10.30857/1813-6796.2019.5.3
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  • 23.10.2019
  • 436 Views
  • Technologies and Engineering - Vol. 20, No. 5, 2019
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Practices of water networks preliminary design studies

Keywords: water economy, sustainable design, initial data preparation, structural optimization, mathematical model, statistical methods

A. Shakhnovsky, A. Kvitka, V. Ovsyankina

https://doi.org/DOI:10.30857/1813-6796.2019.5.4

Suggested citation

Shakhnovsky, A., Kvitka, A., & Ovsyankina, V. (2019). Practices of water networks preliminary design studies. Technologies and Engineering, 20(5), 35-42. https://doi.org/DOI:10.30857/1813-6796.2019.5.4
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  • 23.10.2019
  • 264 Views
  • Technologies and Engineering - Vol. 20, No. 5, 2019
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Methods of stimulation of heat and energy saving in Ukraine and other countries

Keywords: energy efficiency, stimulation methods, heat, energy

V. Romaniuk, Vladyslav Riabenko

https://doi.org/10.1109/5.771073

Suggested citation

Romaniuk, V., & Riabenko, V. (2019). Methods of stimulation of heat and energy saving in Ukraine and other countries. Technologies and Engineering, 20(5), 43-52. https://doi.org/10.1109/5.771073
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  • 23.10.2019
  • 350 Views
  • Technologies and Engineering - Vol. 20, No. 5, 2019
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Hairiness as a surface property of textile

Keywords: surface, surface properties, characteristics, hairiness, indicator, materials science

Kateryna Smykalo, Oksana Zakora, Nataliia Zashchepkina, О. Yaryha

https://doi.org/DOI:10.30857/1813-6796.2019.5.7

Suggested citation

Smykalo, K., Zakora, O., Zashchepkina, N., & Yaryha, O. (2019). Hairiness as a surface property of textile. Technologies and Engineering, 20(5), 62-70. https://doi.org/DOI:10.30857/1813-6796.2019.5.7
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  • 23.10.2019
  • 308 Views
  • Technologies and Engineering - Vol. 20, No. 5, 2019
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Development of antistatic and semiconductive polyethylene/polyaniline and polyvinyl chloride/polyaniline compositions

Keywords: polymer composition, polyethylene, polyvinyl chloride, polyaniline, specific volume electrical resistivity

Dmytro Novak, Viktoria Plavan, Yu. Gulenok, V. Stihilyas

https://doi.org/DOI:10.30857/1813-6796.2019.5.8

Suggested citation

Novak, D., Plavan, V., Gulenok, Yu., & Stihilyas, V. (2019). Development of antistatic and semiconductive polyethylene/polyaniline and polyvinyl chloride/polyaniline compositions. Technologies and Engineering, 20(5), 71-78. https://doi.org/DOI:10.30857/1813-6796.2019.5.8
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  • 23.10.2019
  • 448 Views
  • Technologies and Engineering - Vol. 20, No. 5, 2019
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Оptimization of performance properties of flame retardant polymeric intumescent coating

Keywords: flame retardant polymer coating, flame retardant properties, intumescent compound, hydrothermal tests, expansion coefficient

Nadezhda Taran, Kostyantyn Kalafat, Liubov Vakhitova, Viktoria Plavan

https://doi.org/10.1109/5.771073

Suggested citation

Taran, N., Kalafat, K., Vakhitova, L., & Plavan, V. (2019). Оptimization of performance properties of flame retardant polymeric intumescent coating. Technologies and Engineering, 20(5), 79-86. https://doi.org/10.1109/5.771073
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  • 23.10.2019
  • 306 Views
  • Technologies and Engineering - Vol. 20, No. 5, 2019
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The peculiarities of cathodic and anodic reactions on carbon steel depending on the depth of immersion into a neutral solution

Keywords: steel structures, thin film of moisture, diffusion control, the polarization curves method, the polarization resistance technique, atmospheric corrosion

Svitlana Osadchuk, Liudmyla Nyrkova, Yuriy Fateev

https://doi.org/10.1109/5.771073

Suggested citation

Osadchuk, S., Nyrkova, L., & Fateev, Yu. (2019). The peculiarities of cathodic and anodic reactions on carbon steel depending on the depth of immersion into a neutral solution. Technologies and Engineering, 20(5), 87-96. https://doi.org/10.1109/5.771073
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  • 23.10.2019
  • 399 Views
  • Technologies and Engineering - Vol. 20, No. 5, 2019
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Choosing the buffer system formulation for eye drops with tetrahydrozoline hydrochloride

Keywords: anti-edema and anti-allergic agents, development of the composition, osmolality, local irritantation

Olena Saliy, Halyna Kuryshko, O. Goropatska, M. Derkach

https://doi.org/10.1109/5.771073

Suggested citation

Saliy, O., Kuryshko, H., Goropatska, O., & Derkach, M. (2019). Choosing the buffer system formulation for eye drops with tetrahydrozoline hydrochloride. Technologies and Engineering, 20(5), 97-106. https://doi.org/10.1109/5.771073
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  • 23.10.2019
  • 390 Views
  • Technologies and Engineering - Vol. 20, No. 5, 2019
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Influence of additives of nanosized aluminum oxide on the structure and rheological properties of the polypropylene / copoliamide blends

Keywords: polymers, mixtures, nano-additive, morphology, viscosity, elasticity

Natalia Rezanova, Yurii Budash, Maryna Davydenko, Anastasiia Kovalchuk

https://doi.org/DOI:10.30857/1813-6796.2019.5.12

Suggested citation

Rezanova, N., Budash, Y., Davydenko, M., & Kovalchuk, A. (2019). Influence of additives of nanosized aluminum oxide on the structure and rheological properties of the polypropylene / copoliamide blends. Technologies and Engineering, 20(5), 107-114. https://doi.org/DOI:10.30857/1813-6796.2019.5.12
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  • 23.10.2019
  • 390 Views
  • Technologies and Engineering - Vol. 20, No. 5, 2019
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Effect of kinetic parameters on the efficiency of hydrogen isolation by method of dissolution of the AK7 alloy in alkali solutions with additives of activators

Keywords: halides, hydrogen synthesis, chemical dissolution, aluminum alloy, aluminate, corrosion process, empirical equations, specific gravity of dissolution

Nataliia Zabiiaka, Volodymyr Bairachniy

https://doi.org/10.1109/5.771073

Suggested citation

Zabiiaka, N., & Bairachniy, V. (2019). Effect of kinetic parameters on the efficiency of hydrogen isolation by method of dissolution of the AK7 alloy in alkali solutions with additives of activators. Technologies and Engineering, 20(5), 115-121. https://doi.org/10.1109/5.771073
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  • 23.10.2019
  • 319 Views
  • Technologies and Engineering - Vol. 20, No. 5, 2019
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Determination of dimensional characteristics of particles of clay powders as nanofillers of polymer compositions

Keywords: сlay powder, nanofiller, particle, equivalent diameter, morphometric, shape index

Yurii Budash, Volodymyr Stupa, M. Lubska, K. Pushkarenko, I. Silenok

https://doi.org/DOI:10.30857/1813-6796.2019.5.14

Suggested citation

Budash, Y., Stupa, V., Lubska, M., Pushkarenko, K., & Silenok, I. (2019). Determination of dimensional characteristics of particles of clay powders as nanofillers of polymer compositions. Technologies and Engineering, 20(5), 122-131. https://doi.org/DOI:10.30857/1813-6796.2019.5.14
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  • 23.10.2019
  • 452 Views
  • Technologies and Engineering - Vol. 20, No. 5, 2019
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The effect of orientation drawing on the properties of PETg/PET blend

Keywords: polyethylene terephthalate glycol modified, mixtures of polyesters, orientational drawing, cavitation foaming, modification

Ruslan Iskandarov, Nadiya Sova, Denys Pushkarov, B. Debeliy, Bohdan Savchenko

https://doi.org/10.1109/5.771073

Suggested citation

Iskandarov, R., Sova, N., Pushkarov, D., Debeliy, B., & Savchenko, B. (2019). The effect of orientation drawing on the properties of PETg/PET blend. Technologies and Engineering, 20(5), 132-140. https://doi.org/10.1109/5.771073
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  • 23.10.2019
  • 446 Views
  • Technologies and Engineering - Vol. 20, No. 5, 2019
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Thermomechanical analysis of electrical conductive composite materials based on polyvinylbutyral

Keywords: thermomechanical analysis, deformation, equilibrium module, modulus of elasticity, material flow, electrically conductive composites

Oksana Butenko, Andrii Misiura, Yevgen Mamunya, Viacheslav Barsukov, Volodymyr Khomenko

https://doi.org/DOI:10.30857/1813-6796.2019.5.16

Suggested citation

Butenko, O., Misiura, A., Mamunya, Ye., Barsukov, V., & Khomenko, V. (2019). Thermomechanical analysis of electrical conductive composite materials based on polyvinylbutyral. Technologies and Engineering, 20(5), 141-149. https://doi.org/DOI:10.30857/1813-6796.2019.5.16
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  • 23.10.2019
  • 466 Views
  • Technologies and Engineering - Vol. 20, No. 5, 2019
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Study of the fibrous sorbents chemosorption properties for the wastewater purification from Fe3+ ions

Keywords: chemisorption properties, fibrous waste, polyamide fibers, polyurethane fibers, vegetable polyphenols, iron compounds, wastewater

Natalia Tarasenko, Viktoria Plavan, Yurii Budash, Maksym Koliada

https://doi.org/10.1109/5.771073

Suggested citation

Tarasenko, N., Plavan, V., Budash, Y., & Koliada, M. (2019). Study of the fibrous sorbents chemosorption properties for the wastewater purification from Fe3+ ions. Technologies and Engineering, 20(5), 150-159. https://doi.org/10.1109/5.771073
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  • 23.10.2019
  • 383 Views
  • Technologies and Engineering - Vol. 20, No. 5, 2019