Zobrazeno 1 - 10
of 49
pro vyhledávání: '"Volodymyr Krasinskyi"'
Publikováno v:
Advances in Sciences and Technology, Vol 17, Iss 6, Pp 88-97 (2023)
The main operational characteristics of polyamide-6-montmorillonite (PA6/MMT) nanocomposites, which determine their fields of application, mainly depend on the crystal structure and crystallinity of the polymer. Therefore, the study of the crystallin
Externí odkaz:
https://doaj.org/article/d19a9dc7f7d5494fb61313b213adc208
Autor:
Rafał Malinowski, Marta Musioł, Krzysztof Moraczewski, Volodymyr Krasinskyi, Lauren Szymańska, Krzysztof Bajer
Publikováno v:
Archives of Environmental Protection, Vol vol. 49, Iss No 3, Pp 107-114 (2023)
Studies on packaging made of polylactide (PLA) subjected to long-term influence of soil environment conditions have been presented in this paper. The scientific objective of this study was to determine changes in selected properties of the PLA packag
Externí odkaz:
https://doaj.org/article/dc2a078dc7a64d28916b7d1925af058d
Publikováno v:
Applied Sciences, Vol 14, Iss 7, p 2983 (2024)
The modification method of aluminosilicate clays and the modifier content have a decisive influence on the structure and properties of the obtained nanocomposites. Therefore, the development and research of new techniques of nanoclays modification ar
Externí odkaz:
https://doaj.org/article/b1096f668fcb4cacb39440d513754e3a
Autor:
Volodymyr Krasinskyi, Rafał Malinowski, Krzysztof Bajer, Piotr Rytlewski, Andrzej Miklaszewski
Publikováno v:
Arabian Journal of Chemistry, Vol 16, Iss 11, Pp 105296- (2023)
In this work, a new method of modifying montmorillonite (Mt) with polyvinylpyrrolidone (PVP) was developed, which makes it possible to obtain modified Mt with different structures and modifier content simultaneously. The essence of the method consist
Externí odkaz:
https://doaj.org/article/f4509991b66844e39cfd3bc7c14b069c
Publikováno v:
Advances in Sciences and Technology, Vol 16, Iss 4, Pp 138-146 (2022)
The paper presents the results of studies of adhesive strength under shearing, thermal stability, and the content of the gel fraction of adhesive materials and enamels based on modified phenol-formaldehyde resins. Epoxy resin and polyvinylpyrrolidone
Externí odkaz:
https://doaj.org/article/d636e65bc687403ba8dec434298fb8d4
Publikováno v:
Advances in Sciences and Technology, Vol 15, Iss 4, Pp 267-272 (2021)
The work develops the method of obtaining new composite materials based on novolac phenol-formaldehyde resin with improved adhesion properties and heat resistance. The composites were obtained by chemical modification of phenol-formaldehyde resin by
Externí odkaz:
https://doaj.org/article/945591930f9c4aec8105a6d27b1bae15
Autor:
Volodymyr Krasinskyi, Oleh Suberlyak, Viktoria Kochubei, Tomasz Jachowicz, Ludmila Dulebova, Viktoria Zemke
Publikováno v:
Advances in Sciences and Technology, Vol 14, Iss 3, Pp 192-198 (2020)
This work deals with the development of method for obtaining polyamide and montmorillonite based nanocomposite, which was modified with polyvinylpyrrolidone by mixing in formic acid solution. The structure and thermophysical properties of the obtaine
Externí odkaz:
https://doaj.org/article/fcb55db3550145eb80b846b81eca9f92
Publikováno v:
Advances in Sciences and Technology, Vol 13, Iss 4, Pp 264-269 (2019)
The effect of grooves number in the feed section and screw length as well as filler nature and content on the productivity of single-screw extruder has been examined. Compositions based on polypropylene with glass fibers, talc and chalk were used for
Externí odkaz:
https://doaj.org/article/b2661e663f27481cbd5060d2b6a7b1e7
Autor:
Roman Kovalchuk, Yuriy Molkov, Taras Lenkovskiy, Oleksandr Grytsenko, Volodymyr Krasinskyi, Tomasz Garbacz
Publikováno v:
Advances in Sciences and Technology, Vol 12, Iss 4, Pp 199-206 (2018)
The mathematical model of dynamic processes in pumping unit of a drilling rig with friction clutch taking into account variable moment of inertia of slider-crank mechanism links and random number of pistons of the pump is developed. Joint integration
Externí odkaz:
https://doaj.org/article/055e422fbded4a79a1f7f842f1b40f6b
Autor:
Volodymyr Krasinskyi, Oleh Suberlyak, Viktoria Kochubei, Yurii Klym, Viktoria Zemke, Tomasz Jachowicz
Publikováno v:
Advances in Sciences and Technology, Vol 12, Iss 2, Pp 83-88 (2018)
The effect of small polyamide additives modified with polyvinylpyrrolidone and montmorillonite on polypropylene technological properties and heat resistance has been researched in the work. It has been determined that the melt flow index of the obtai
Externí odkaz:
https://doaj.org/article/5085c4676af14706b1d56e086b862a75