7 articles in this issue
Valerii Kotok,Vadym Kovalenko
An attempt was made to co-deposit nickel and manganese hydroxide films to be used as anodic electrochrome. Cathodic template method with polyvinyl alcohol was used for this. Deposition was conducted in the galvanostatic regime from the solution containing... see more
Oleksandr Zaichuk,?leksandra Amelina,Olena Khomenko,Nataliia Sribniak,Liudmyla Tsyhanenko,Oleksandr Savchenko,Oleksandr Telichenko
The synthesis of ceramic pigments is conventionally carried out at a high temperature (not less than 1,200 °C). Its reduction implies using mineralizing additives, which have a different mechanism of action on the starting components of pigment charg... see more
Anna Liashenko,Yuri Sknar,Tatyana Hrydnieva,Pavel Riabik,Oksana Demchyshyna,Kateryna Plyasovskaya
Silicon carbide is characterized by a wide range of beneficial electrophysical, anti-corrosion, and strength properties. A promising raw material for the synthesis of silicon carbide is the waste of rice production, which includes compounds of silicon and... see more
Yuliya Danchenko,Artem Kariev,Vladimir Andronov,Anna Cherkashina,Vladimir Lebedev,Tetiana Shkolnikova,Oleksii Burlutskyi,Anatoliy Kosse,Yuriy Lutsenko,Dayana Yavors'ka
Chemical nature and surface properties of plant disperse fillers are investigated: buckwheat (BH) and oat (OH) husk, wood (WF) and conifer flour (CF). Using IR spectroscopy, it was found that oxygen-containing atomic groups –OH, –C–O–, –C=O prevail in the... see more
Sergii Boichenko,Stepan Zubenko,Sergii Konovalov,Anna Yakovlieva
Unrefined Camelina oil was transesterified on an alkaline catalyst with the application of commercial fuel ethanol of high hygroscopicity. It was shown that the rise of moisture content in alcohol up to 1 % leads to the low output of ethyl esters. Th... see more
Nikolai Gomelya,Inna Trus,Olena Stepova,Oleksandr Kyryliuk,Olena Hlushko
It is a relevant and practically important task for environmental protection to devise effective means to protect metals against corrosion in aggressive media containing water, petroleum products, carbolic acids, and mineral salts. To stop corrosion, corr... see more