Zobrazeno 1 - 10
of 137
pro vyhledávání: '"Rafał Malinowski"'
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
Autor:
Mariusz Winiecki, Magdalena Stepczyńska, Krzysztof Moraczewski, Lukasz Skowronski, Marek Trzcinski, Tomasz Rerek, Rafał Malinowski
Publikováno v:
Materials, Vol 17, Iss 5, p 1065 (2024)
In this study, the effect of low-temperature oxygen plasma treatment with various powers of a titanium alloy surface on the structural and morphological properties of a substrate and the deposition of a tannic acid coating was investigated. The surfa
Externí odkaz:
https://doaj.org/article/37ed8819fbcc46de99751d1bd5aa71fa
Autor:
Agnieszka Richert, Ewa Olewnik-Kruszkowska, Rafał Malinowski, Agnieszka Kalwasińska, Maria Swiontek Brzezinska
Publikováno v:
Foods, Vol 12, Iss 23, p 4244 (2023)
We present new polymer materials consisting of polycaprolactone (PCL), polyethylene glycol (PEG), and birch tar (D). PEG was introduced into the polymer matrix in order to obtain a plasticizing effect, while tar was added to obtain antibacterial prop
Externí odkaz:
https://doaj.org/article/e439c0584af24fb0a436c0164e04d29b
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:
Krzysztof Moraczewski, Magdalena Stepczyńska, Rafał Malinowski, Tomasz Karasiewicz, Bartłomiej Jagodziński, Piotr Rytlewski
Publikováno v:
Materials, Vol 16, Iss 14, p 5154 (2023)
Natural extracts of plant origin are used as anti-aging compounds of biodegradable polymers. Coffee, cocoa, or cinnamon extracts in amounts from 0.5 to 10 wt.% were added to the polycaprolactone matrix. The manufactured materials were aged at elevate
Externí odkaz:
https://doaj.org/article/ccaf7c75b54b43798d74d1bdca023350
Publikováno v:
Journal of Composites Science, Vol 7, Iss 1, p 13 (2023)
In this work, the physicomechanical, chemical and thermal properties of low-density polyethylene (LDPE) modified with a biocide containing metal nanoparticles: nanoAg, nanoCu, and nanoFe2O3 were examined. The presented studies, apart from the previou
Externí odkaz:
https://doaj.org/article/29c4d7cfb950429eb2a0e30119fe0862
Publikováno v:
Materials, Vol 15, Iss 20, p 7382 (2022)
The aim of the study was to evaluate possibility of producing a polylactide film with birch tar by the industrial extrusion method and whether the addition of 10% birch tar can ensure adequate biocidal properties of PLA against pathogenic microorgani
Externí odkaz:
https://doaj.org/article/575cc6c8a0fc44fdba3c94d6c0fd2c84