Химические науки список научных статей
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THERMAL CHARACTERIZATIONS OF POLYMER COMPOSITE MATERIALS POLYURETHANE FOAM-CHITIN
The problem of replacing food packaging made from synthetic polymers with biodegradable films based on natural materials is highly relevant and associated with general environmental degradation. Therefore, the trend of using natural polymers to partially or entirely replace petroleum-based...
2023 / Tran Y Doan Trang, Zenitova Liubov A., Hoang Thanh Duc, Do Thi Hanh, Cuong Vau ThiWOSScopusВАКCASRSCI
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THERMOACTIVATIONAL SPECTROSCOPY OF POLYETHYLENE POLYMER FILMS WITH AN ETHYLENE-VINYL ACETATE COPOLYMER
The article reports the results of the study of polymer films based on the blend of high-pressure polyethylene (LDPE) and the ethylene-vinyl acetate copolymer (EVA, sevilen). The films were investigated with thermally stimulated depolarization. It is noted that one maximum is observed on the...
2023 / Galikhanov Mansur F., Karulina Elena A., Fomicheva Elena E., Reztsov Tikhon V. -
PLATINUM – MESOPOROUS CARBON NITRIDE NANOCOMPOSITES: SYNTHESIS, CHARACTERIZATION AND CATALYTIC PERFORMANCE IN PHENYLACETYLENE HYDROGENATION
The platinum nanocomposites were synthesized by chemical reduction of H2PtCl6·6H2O in situ with a methanol—water mixture using mesoporous graphitic carbon nitride as a stabilizing matrix and a catalyst support. The textural, morphological, and optical properties of the obtained platinum –...
2023 / V.M. Akhmedov, N.E. Melnikova, G.G. Nurullayev, Vs.M. Ahmadov, D.B. Tagiyev -
Ag8GeS6(Se6)–Ag8GeTe6 SYSTEMS: PHASE RELATIONS, SYNTHESIS, AND CHARACTERIZATION OF SOLID SOLUTIONS
Phase equilibria in the Ag8GeS6-Ag8GeTe6 and Ag8GeSe6-Ag8GeTe6 systems were studied using differ-ential thermal analysis and powder X-ray diffraction technique. The T-x phase diagrams were construct-ed. It has been found that both systems are partially quasi-binary and are characterized by the...
2023 / A.J. Amiraslanova, A.T. Mammadova, I.J. Alverdiyev, Yu.A. Yusibov, M.B. Babanly -
PHASE EQUILIBRIUM IN THE QUASI-TERNARY SYSTEM Y2O2S–Ga2S3–Tb2O2S
The results of the study of quasibinary (lateral) and non-quasibinary polythermal sections in quadrilateral systems Y2O2S–Ga2S3–Tb2O2S show the prognosis of the established liquidity surface, where the nature of the chemical interaction is relatively simple. Thus, the Ga2S3–Y2O2S və Ga2S3–Tb2O2S...
2023 / I.B. Bakhtiyarli, V.S. Mammadov, Z.M. Mukhtarova, A.S. Abdullayeva -
SYNTHESIS OF ZnAl-LDH/PVA NANOCOMPOSITE AND ADSORPTION OF PATENT BLUE V FOOD DYE FROM WATER SOLUTION
In the presented research work, zinc and aluminum containing layered double hydroxides on the polyvinyl alcohol matrix (ZnAl LDH/PVA) were prepared by the co-formation technique and characterized by X-ray diffractometer, Brunauer-Emmett-Teller (BET) and Ultraviolet-visible (UV-Vis) spectroscopy....
2023 / O.O. Balayeva, A.A. Azizov, M.B. Muradov, R.M. Alosmanov, S.M. Zulfugarova, M.H. Abbasov, S.J. Mammadyarova -
SYNTHESIS OF SUPER-BRANCHED POLYGLYCERIDES OF SACCHARIN-6-CARBOXYLIC ACID
By polycondensation of triglyceride of saccharin-6-carboxylic acid with some aliphatic diamines, the thermal-stable super-branched polyestersulfoimides – polyglycerides of saccharin-6-carboxylic acid have been obtained. The structures of the synthesized compounds have been confirmed by data of the...
2023 / E.T. Aslanova, M.N. Rashidova, A.A. Garayeva, S.Y. Heydarova -
EFFECT OF DIFFERENT CHEMICALS ON THE CARBONIZATION BEHAVIORS AND POLLUTION REMOVAL PERFORMANCE OF BIOCHAR ADSORBENTS DERIVED FROM TEXTILE WASTE
One of the smart methods of controlling the increasing demand for raw materials and environmental pollution is the recycling of waste. In this study, optimum conditions were determined for the conversion of wastes that will not be reused in the textile industry into functional activated carbon. For ...
2023 / H. Gumus, B. Buyukkidan -
THERMODYNAMIC PROPERTIES OF THE Cu2GeSe3 COMPOUND
The Cu2GeSe3 compound and phases based on it are of interest as environmentally friendly thermoelectric and photovoltaic materials. This paper presents the results of a thermodynamic study of this com-pound by the method of electromotive forces. We measured the EMF of concentration cells concerning ...
2023 / Yu.A. Yusibov, Z.M. Aliyeva, M.B. Babanly -
FEATURES OF THE STRUCTURE AND PROPERTIES OF COMPOSITIONS OF MODIFIED ISOPRENE RUBBER WITH CHLORIDE-CONTAINING AND EPOXY COMPOUNDS
The effect of HCPX and EC as a stitching agent during thermal vulcanization of modified isoprene rubber (SKI-3PVA) 80:20 in the presence of zinc oxide was studied. Studies of structural changes occurring in vulcanizates based on SKI-3-PVA under the influence of heating have been carried out. Based...
2023 / Sh.M. Mammadov, S.A. Rahimova, R.F. Khankishiyeva, P.I. Ismayilova, I.T. Movlayev, J.Sh. Mammadov -
THE SONOCHEMICAL SYNTHESIS OF PVA/Mg-Al-OH LAYERED DOUBLE HYDROXIDE NANOCOMPOSITE FILM
In this study, we report the synthesis of PVA/Mg-Al-OH layered double hydroxide composite film by a sonochemical method under different reaction proceedings. The prepared nanocomposites were characterized by X-ray powder diffraction analysis (XRD), Ultraviolet-visible (UV-Vis) spectroscope,...
2023 / Kh.A.Ibrahimova A.A.Azizov O.O.Balayeva R.M.Alosmanov M.H.Abbasov -
MODIFIED POLYALKENYL SUCCINIMIDE ADDITIVE FOR MOTOR OILS
The article is devoted to the synthesis of a chemically modified version of one of the most important additives for the prevention of low-temperature precipitation in engine oils polyalkenyl succinimide. This additive is prepared by alkylating maleic anhydride with an α-olefin oligomer and then...
2023 / J.Sh. Hamidova, E.U. Isakov, E.I. Hasanova, N.J. Huseynova -
PURIFICATION OF WATER SYSTEMS FROM URANIUM SALTS USING ACRYLONITRILE-STRUCTURED TRIPLE CO-OLIGOMERS OF 4-ISOPROPENIL-PHENOL, FORMALDEHYDE AND 4-(1-METHYL)-1-DIMETOXSI-PHOSPHORYLETHYL)PHENOL
The article presents the results of three-component condensation of 4-isopropenylphenol, formaldehyde and 4-(1-methyl)-1-dimethoxsiphosphorylethyl)phenol cooligomers, their structuring with acrylonitrile. In order to include the carboxyl group in the structure of the cross-linked copolymer,...
2023 / M.R. Bairamov, Sh.J. Guliyeva, G.M. Mehdiyeva, M.A. Agayeva -
SYNTHESIS AND PHYSICO-CHEMICAL INVESTIGATION OF ALLOYS OF THE Sb2S3–Cu2Cr4Te7 SYSTEM
To study the nature of the interaction between Sb2S3 and Cu2Cr4Te7 compounds, alloys were synthesized in a wide range of concentrations and studied using physicochemical analysis (DTA, XRD, MSA, as well as measurements of density and microhardness) and a phase diagram was constructed. The state...
2023 / I.I. Aliyev, E.I. Mamedov, F.V. Yusubov, L.F. Masiyeva, Kh.M. Gashimov -
STUDY OF THE COMPLEX FORMATION OF SAMARIUM(III) WITH 3-(2-HYDROXY-3-SULPHO-5-(NITROPHENYLHYDRAZO) PENTANE-2,4-DIONE IN THE PRESENCE OF SURFACTANTS
This article presents the results of a study of the complex formation of samarium(III) with 3-(2-hydroxy-3-sulpho-5-(nitrophenylhydrazo)pentan-2,4-dione (R) in the presence and absence of surfactants: cetylpyridinium chloride (СPСl), cetylpyridinium bromide (СPBr), cetyltrimethylammonium bromide...
2023 / S.E. Yarmamedova, F.E. Huseynov, E.J. Eyyubova, Kh.J. Nagiev, F.M. Chyragov -
SYNTHESIS, GROWTH OF MONOCRYSTALS AND PROPERTIES OF THE COMPOUNDS OF PbLnCuS3 (Ln–La, Nd, Sm, Gd, Dy, Er) TYPE
Quaternary sulfides of the PbLnCuS3 type (Ln–La, Nd, Sm, Gd, Dy, Er) have been obtained either by melting the elements or through furnace charge, 2PbS+Cu2S+Ln2S3 in a graphite crucible placed in a sealed quartz ampoule at a temperature of 1200–1275 K. Monocrystals of PbSmCuS3 and PbGdCuS3 have been ...
2023 / O.M. Aliyev, D.S. Azhdarova, T.F. Maksudova, V.M. Ragimova, S.T. Bayramova -
SYNTHESIS AND POLYMERIZATION OF N,N-DI(β-CHLOR)ALLYLAMINOETHANIC ACID
Amino acids are chiral compounds that make up proteins and play an important role in biochemical pro-cesses in living organisms. They are widely used as building blocks in organic synthesis, components of asymmetric synthesis catalysts, separating agents, etc. To this end, we found that the...
2023 / A.M. Garamanov, R.A. Akhmedova, N.Kh. Gusiev, B.A. Mamedov, A.F. Mamedova, M.Sh. Gurbanov -
A COMPUTATIONAL STUDY OF SUBSTITUENT EFFECT 1, 3, 4-THIADIAZOLE ON CORROSION INHIBITION
A theoretical study of 1, 3, 4-thiadiazole with nine various derivatives in gaseous and aqueous phases was investigated by employing the density functional theory (DFT) at 6-311++(d, p) basis set and Becke’s three parameters hybrid exchange-correlation functional (B3LYP). The molecules are...
2023 / Hiwa Mohammad Qadr, Dyari Mustafa Mamand -
STUDY OF THE CONDENSATION REACTION OF 2-ALLYLPHENOL WITH FORMALDEHYDE AND METHYLAMINE AND THE FUNCTIONAL PROPERTIES OF THE OBTAINED PRODUCTS
By triple condensation of 2-allylphenol with formaldehyde and methylamine (at a ratio of 1:1:1 and 1:2:1 mol, at 80°C for 3 hours) a number of compounds (I-III) of various structures was prepared. It has been established that, depending on the ratio of the taken reagents, compounds of various...
2023 / G.M. Mehdiyeva, M.R. Bayramov, M.A. Agayeva -
ELECTROCHEMICAL REDUCTION OF CADMIUM IONS FROM ETHYLENE GLYCOL ELECTROLYTE
The work is devoted to the study of the process of cathodic reduction of Cd ions from anhydrous ethylene glycol electrolyte. The mechanism of the process of cadmium reduction was studied by taking linear and cyclic potentiodynamic polarization curves. The influence of cadmium chloride...
2023 / N.Sh. Soltanova, A.Sh. Aliyev, B.A. Ismailova, R.G. Huseynova
