Chimica Techno Acta  

 

The Special Issue of the journal Chimica Techno Acta includes papers presented at 8-th International Russian – Kazakhstan Conference “Chemical Technologies of Functional Materials” held at Al-Farabi Kazakh National University, Almaty, Kazakhstan, 28–29 Ap... see more

Tatyana V. Shakiyeva,Larissa R. Sassykova,Anastassiya A. Khamlenko,Ulzhan N. Dzhatkambayeva,Albina R. Sassykova,Aigul A. Batyrbayeva,Zhanar M. Zhaxibayeva,Akmaral G. Ismailova,Subramanian Sendilvelan

The development of technologies for processing oil residues is relevant and promising for Kazakhstan, since the main oil reserves of hydrocarbons in the country are in heavy oils. This paper describes the study of the influence of technological modes on t... see more

Zheneta Kh. Tashmukhambetova,Tanakoz O. Kalamgali,Yermek A. Aubakirov,Larissa R. Sassykova,Firuza Zh. Akhmetova,Albina S. Alpysbay

The aim of this study was to obtain new catalysts for the processing of carbon-containing polymer waste based on polyethylene and polypropylene, represented mostly by lids from beverages bottled in plastic containers, which accumulate in huge quantities i... see more

Irina N. Bagryantseva,Yuri E. Kungurtsev,Valentina G. Ponomareva

In this work, proton conductivity, morphology and mechanical properties of (1–x)CsH2PO4–xF-42 (x=0.05–0.3, weight ratio) membranes were investigated for the first time. Thin flexible membranes for x=0.15 with the uniform distribution of the components wer... see more

Kuralay S. Maksotova,Dariya T. Kalikh,Arnur T. Omirzakova,Botagoz S. Bakirova,Dina N. Akbayeva

In this work we obtained a polymer-metal complex by mixing aqueous solution of copper(II) acetate with PVA at a certain ratio, pH of the solution and temperature. The composition of the complex compound was determined by potentiometric and conductometric ... see more

Natalya V. Eremina,Svetlana V. Makarova,Denis D. Isaev,Natalya V. Bulina

The feasibility of soft mechanochemical synthesis was studied here for hydroxyapatite with various types of substitution. It was shown that this method allows obtaining hydroxyapatites substituted with copper or iron cations and hydroxyapatites cosubstitu... see more

Indira M. Jeldybayeva,Zhaksyntay K. Kairbekov,Kazhmukan O. Kishibayev,Elmira T. Yermoldina,Saltanat M. Suimbayeva

This paper presents the results of a study on the catalytic activity and selectivity of nickel and palladium catalysts in hydrogenation reactions of nitro- and acetylene compounds. It was shown that the activity and selectivity of nickel catalysts in the ... see more

Yuri K. Nepochatov,Pyotr M. Pletnev,Vladimir F. Kosarev,Tatiana S. Gudyma

The basic element of the design of a power module is a metallized ceramic substrate. In this work, the formation of metallization coatings by the method of thermal transfer of metallization pastes (Mo-Mn-Si + binder) for alumina and aluminum nitride ceram... see more

Arai K. Zhumabekova,Lyazzat K. Tastanova,Raigul O. Orynbassar,Yermek A. Aubakirov,Elvira B. Zhunusova

Growing demand for hydrogen promotes the research devoted to the development of new catalysts for hydrocarbons processing in absence of H2 or at its low concentration. In the present work, it was shown that during the conversion of straight-run gasoline o... see more

Alexander A. Titkov,Tatiana A. Borisenko,Olga A. Logutenko

This work reports a simple route to synthesizing silver nanoplates and nanoprisms through a polyol approach in the presence of oxyethylated carboxylic acid and glucose. The resulting particles were characterized by electron microscopy and X-ray diffractio... see more

Kseniya V. Mishchenko,Maria A. Kirsanova,Arseny B. Slobodyuk,Anna A. Krinitsyna,Nina V. Kosova

According to the extensive studies in the field of high-energy cathode materials for lithium-ion batteries (LIBs), Mn-based oxyfluorides Li1.2Mn0.6+0.5yNb0.2–0.5yO2–yFy with Li-excess and cation-disordered rock-salt structure capable of reversible cationi... see more

Nikita I. Lapekin,Tatyana V. Anufrieva,Arina V. Ukhina,Artem A. Shestakov,Alexander G. Bannov

This article is devoted to the investigation of the influence of the solvent on sensing properties, such as response and recovery rate, of chemiresistive gas sensors. Multi-walled carbon nanotubes were used as an active material for the sensors. The initi... see more

Valeriy V. Golovakhin,Ekaterina Yu. Kim,Oksana N. Novgorodtseva,Alexander G. Bannov

To date, the research on carbon nanomaterials has progressed rapidly. More than 400 papers were written in 2021 on the application of carbon nanomaterials in various fields. The high demand for the use of such materials has increased due to a sharp increa... see more

Denis E. Tryakhov,Anatoly A. Polytov

Starch nanocrystals were isolated by a combination of acid hydrolysis and sonication of native potato starch. The obtained samples were examined by XRD, scanning electron microscopy and static light scattering. An increase in hydrolysis time increases the... see more

Evdokiya Bushueva,Evgeniy Turlo,Evgeniya Kladieva,Veronica Sulyaeva,Elizaveta Pukhova

The paper presents the results of comparative analysis of the properties of coatings based on chromium, nickel and iron borides. The alloy obtained in the process of electron-beam surfacing of the powder mixture “amorphous boron – 10 wt.% chromium” has th... see more

Liubov I. Afonina,Tatiana E. Timakova,Evgeniya V. Timakova,Konstantin B. Gerasimov,Yuri M. Yukhin

The processes of oxidative thermolysis of bismuth tartrates [Bi(NO3)(C4H4O6)]·3H2O and BiC4H3O6·H2O precipitated from bismuth nitrate solutions was studied by the methods of X-ray diffraction, thermal analysis, IR spectroscopy and chemical analysis. The s... see more