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938 Newest Publications in russian journal of applied chemistry

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Recovery of rhenium and osmium from sulfurous gases with solid carbon

19-Nov-2012 | A. G. Vodop’yanov, G. N. Kozhevnikov, Russian Journal of Applied Chemistry, 2012

The possibility of recovering rhenium and osmium from sulfurous gases generated by oxidative roasting of commercial molybdenite product was examined. When passing through solid carbon packing at a temperature in the range 288–380°C, higher rhenium and osmium oxides are adsorbed on the surface of ...

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Synthesis of dispersed silicon, titanium, and zirconium dioxides by pyrolysis of cellulose inorganic composites

19-Nov-2012 | A. B. Shishmakov, Yu. V. Mikushina, O. V. Koryakova, M. S. Valova, L. A. Petrov, Russian Journal of Applied Chemistry, 2012

The method of the synthesis of dispersed powders of silicon, titanium, and zirconium dioxides was developed, including formation of cellulose inorganic composites by impregnation of pressed granules of powdered cellulose with solutions of tetraethoxysilane and tetrabutoxy zirconium, hydrolysis of ...

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Synthesis of copolymers of decyl methacrylate with o-allylphenol and their investigation as viscosity improving additives for petroleum oils

19-Nov-2012 | V. M. Farzaliev, E. I. Gasanova, A. I. Akhmedov, Russian Journal of Applied Chemistry, 2012

The synthesis of copolymers of decyl methacrylate with o-allylphenol was performed. The influence of various factors on the results of the process was studied, conditions ensuring producing copolymers with specified characteristics were found. The synthesized copolymers were used to improve the ...

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Organomodified aluminosilicates as friction geomodifiers

19-Nov-2012 | N. P. Shapkin, L. B. Leont’ev, A. L. Leont’ev, V. V. Korochentsev, A. L. Shkuratov, Russian Journal of Applied Chemistry, 2012

Effect of the composition of chitosan-modified natural silicates on tribotechnical characteristics of additives and formation of a surface layer in friction of surfaces was studied. The following composites were found to be the most promising: 90% serpentine + 10% chitosan-modified vermiculite; ...

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Simple and low-expenditure method for treatment of coke-chemical phenols to obtain high-efficiency thermal polymerization inhibitors for pyrolysis shops

19-Nov-2012 | A. F. Gogotov, A. A. Levchuk, L. V. Kanitskaya, Russian Journal of Applied Chemistry, 2012

Mild and low-expenditure method is suggested for synthesis of high-efficiency undesirable-polymerization inhibitors by modification of coke-chemical phenols by treatment with persulfuric acid salts at room temperature under agitation. It is shown that products formed in oxidative combination of ...

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Amines-boron trifluoride complexes as catalyst for cold curing epoxy resin ED-20 using anhydride curing agents

19-Nov-2012 | E. N. Shved, M. A. Sinel’nikova, Yu. N. Bespal’ko, N. M. Oleinik, Russian Journal of Applied Chemistry, 2012

The reaction of the anhydride curing epoxy resin ED-20 in the presence of boron trifluoride-amines was investigated in the temperature range 303–393 K. An effect of the basicity of the amine in the complex on the speed of the process was assessed. Based on correlations of a structure of the ...

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Suspension copolymerization of styrene and divinylbenzene in the presence of stabilizers (starch and gelatin)

19-Nov-2012 | S. A. Galadzhev, S. N. Zuev, L. Ya. Tsarik, Russian Journal of Applied Chemistry, 2012

The procedure for preparing spherical particles of copolymers of styrene and technical-grade divinylbenzene in the presence of stabilizers (starch and gelatin) added to improve the process parameters was examined with the aim to develop a process for production of gel ion-exchange resins.

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Brown ceramic pigments based on open-hearth slag

19-Nov-2012 | A. V. Zaichuk, Ya. I. Belyi, Russian Journal of Applied Chemistry, 2012

The possibility and expediency of the application of dump waste open-hearth slag for obtaining ceramic pigments was revealed on the basis of complex physicochemical studies. Ceramic pigments of a brown color gamma were synthesized in the system open-hearth slag-Cr2O3-NiO. The composition of the ...

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Method for synthesis of 1-adamantyl esters of unsaturated acids

19-Nov-2012 | G. M. Butov, N. P. Pastukhova, E. A. Kamneva, K. R. Saad, Russian Journal of Applied Chemistry, 2012

New method for synthesis of adamantyl esters of acrylic, methacrylic, and cinnamic acids was developed. The reactions carried out under mild conditions in the absence of catalysts provide a high yield.

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Synthesis and modification of low-molecular-weight polybutadiene and polystyrene for use as adhesive additive to asphalt

19-Nov-2012 | I. V. Pankov, V. P. Yudin, Yu. K. Gusev, V. N. Verezhnikov, Russian Journal of Applied Chemistry, 2012

Low-molecular-weight butadiene and styrene polymers with narrow molecular-weight distribution were prepared by the mechanism of living polymerization with front initiation. Introduction of deactivating nitrogen-containing agents (α-pyrrolidone, N-methylpyrrolildone, caprolactam, urea) into living ...

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