Zobrazeno 1 - 10 of 31 pro vyhledávání: '"Olena Astakhova"'
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Akademický článek
Microwave-Assisted Synthesis of Modified Glycidyl Methacrylate–Ethyl Methacrylate Oligomers, Their Physico-Chemical and Biological Characteristics
Autor: Adam Chyzy, Damian Pawelski, Vladyslav Vivcharenko, Agata Przekora, Michael Bratychak, Olena Astakhova, Joanna Breczko, Pawel Drozdzal, Marta E. Plonska-Brzezinska
Publikováno v: Molecules, Vol 27, Iss 2, p 337 (2022)
In this study, well-known oligomers containing ethyl methacrylate (EMA) and glycidyl methacrylate (GMA) components for the synthesis of the oligomeric network [P(EMA)-co-(GMA)] were used. In order to change the hydrophobic character of the [P(EMA)-co
Externí odkaz: https://doaj.org/article/b98e987f06dc48d0a721b67ae3e29d2f
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2
Synthesis and Cross-Linking Properties of Melamine Formaldehyde Oligomers with Peroxy Groups
Autor: Olena Astakhova, Michael Bratychak, Olena Shyshchak
Publikováno v: Chemistry & Chemical Technology. 15:512-519
Melamine formaldehyde oligomers with peroxy groups (MFOP) have been synthesized based on melamine or urea and melamine in the presence of tert-butyl peroxymethanol or tert-butyl hydroperoxide. Zinc oxide was used as a catalyst. The effect of peroxide
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::87913a47ee4bee39cb334c0b53b270e9
https://doi.org/10.23939/chcht15.04.512
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3
Synthesis and Structure of Urea-Formaldehyde Oligomers with Peroxide Groups
Autor: Michael Bratychak, Olena Astakhova, Olena Shyshchak
Publikováno v: Chemistry & Chemical Technology. 15:369-376
The possibility of synthesis in the presence of tert-butyl peroxymethanol (TBPM) or tert-butyl hydroperoxide (TBHP) of urea-formaldehyde oligomers with peroxide groups (UFOP) has been considered. Zinc oxide was used as the reaction catalyst. The effe
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::418fdc5ccb30e615c3bc2949e48523b5
https://doi.org/10.23939/chcht15.03.369
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4
Influence of Modified Epoxy Dian Resin on Properties of Nitrile-Butadiene Rubber (NBR)
Autor: Joanna Chudzik, Dariusz M. Bieliński, Yuriy Demchuk, Michael Bratychak, Olena Astakhova
Publikováno v: Materials; Volume 15; Issue 8; Pages: 2766
Due to the increasingly higher requirements for rubber vulcanizates, following the example of previous research on the effect of resin addition on mechanical properties and adhesion of rubbers, the following studies investigated the relationship betw
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3b51eef84cf8a00185f7fe0a616e989a
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10
Influence of Modified Epoxy Resins on Peroxide Curing, Mechanical Properties and Adhesion of SBR, NBR and XNBR to Silver Wires. Part I: Application of Monoperoxy Derivative of Epoxy Resin (PO)
Autor: Joanna Chudzik, Yuriy Demchuk, Dariusz M. Bieliński, Olena Astakhova, Michael Bratychak, Marcin Jędrzejczyk, Grzegorz Celichowski
Publikováno v: Materials
Volume 14
Issue 5
Materials, Vol 14, Iss 1320, p 1320 (2021)
The research was aimed at checking the effect of monoperoxy derivative of epoxy resin (PO) on the possibility of rubber crosslinking and a subsequent adhesion of the modified rubber to silver wires. Three of the commonly industrially used rubbers wer
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c67eb36b4e22c0a297ed0e0495151710
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