Effect of heat treatment on thermal stability of limestone

The nature of the anomalous effect exerted by the heat treatment of limestone at 500 and 600°C on its thermal stability at 825°C was studied.Translated from Zhurnal Prikladnoi Khimii, Vol. 77, No. 9, 2004, pp. 1435–1437.Original Russian Text Copyright © 2004 by Kabanov.     

Polychronous kinetics of oxidative delignification of coniferous kraft cellulose with hydrogen peroxide

The kinetics of oxidative delignification of coniferous kraft cellulose with hydrogen peroxide in the temperature range 60–100°C was studied.Translated from Zhurnal Prikladnoi Khimii, Vol. 77, No. 10, 2004, pp. 1739–1742.Original Russian Text Copyright © 2004 by Shcherbakova, Demin, Mikhailov.     

Specific features of vulcanization of unsaturated rubbers with polymeric <Emphasis Type="Italic">p</Emphasis>-dinitrosobenzene

Conditions of vulcanization of unsaturated rubbers were studied.Translated from Zhurnal Prikladnoi Khimii, Vol. 77, No. 10, 2004, pp. 1722–1724.Original Russian Text Copyright ¢ 2004 by Zaikov, Klyuchnikov, Makarov, Deberdeev.     

Correlation analysis of diffusion of organic solvents across synthetic low-polar polymeric membranes

The influence exerted by physicochemical characteristics of organic solvents on their diffusion across polymeric membranes can be quantitatively using linear multiparametric equations.Translated from Zhurnal Prikladnoi Khimii, Vol. 77, No. 10, 2004, pp. 1714–1718.Original Russian Text Copyright ¢ 2004 by Makitra, Pristanskii.     

Complexation of anion exchangers based on polyimines and allyl and epoxy compounds with transition metal cations

Complexation of polymeric anion exchangers with transition metals was studied by polarographic and potentiometric titration techniques.Translated from Zhurnal Prikladnoi Khimii, Vol. 77, No. 10, 2004, pp. 1693–1698.Original Russian Text Copyright © 2004 by Ergozhin, Chalov, Kovrigina, Iskakova, Nikitina.     

A procedure for preparing <Emphasis Type="Italic">N</Emphasis>-hydroxyethyl-substituted succinimide and phthalimide

Conditions of synthesis of N-hydroxyethyl-substituted succinimide and phthalimide by reactions of dicarboxylic acid imides with aminoethanol were optimized.Translated from Zhurnal Prikladnoi Khimii, Vol. 77, No. 12, 2004, pp. 2059–2060.Original Russian Text Copyright © 2004 by Gasanov, Allakhverdiev.     

Kinetic relationships in synthesis of dimethoxymethane

The kinetics of formation of dimethoxymethane by acetalization of formaldehyde with methanol, catalyzed by silicotungstic heteropoly acid, were studied.Translated from Zhurnal Prikladnoi Khimii, Vol. 77, No. 12, 2004, pp. 2018–2020.Original Russian Text Copyright © 2004 by Danov, Kolesnikov, Logutov.     

Electrochemical halogenation of 4-hydroximino-2,2,6,6-tetramethylpiperidine

Electrochemical chlorination and bromination of 4-hydroximino-2,2,6,6-tetramethylpiperidine were studied.Translated from Zhurnal Prikladnoi Khimii, Vol. 77, No. 11, 2004, pp. 1808–1810.Original Russian Text Copyright © 2004 by Kashparova, Kagan, Zhukova.     

Hydrated cobalt(II) and nickel(II) ammine diphosphates isolated from aqueous solutions

Hydrated amorphous cobalt and nickel(II) ammine diphosphates were prepared.Translated from Zhurnal Prikladnoi Khimii, Vol. 77, No. 9, 2004, pp. 1421–1424.Original Russian Text Copyright © 2004 by Voitenko, Zhilyak, Kopilevich.     

Inhibiting effect of fullerenes C<Subscript>60</Subscript> and C<Subscript>70</Subscript> on high-temperature oxidative degradation of copolymers of methyl methacrylate with methacrylic acid and methacrylamide

The inhibiting effect of fullerenes on thermal oxidative degradation of copolymers of methyl methacrylate with methacrylic acid and methacrylamide at 340°C was studied.Translated from Zhurnal Prikladnoi Khimii, Vol. 77, No. 12, 2004, pp. 2047–2049.Original Russian Text Copyright © 2004 by Troitskii, Khokhlova, Konev, Denisova, Novikova.     

Nucleophilic substitution of chlorine with hydrazine and methylhydrazine in chlorinated pyridazines and pyridazones

The reactions of methylhydrazine and hydrazine hydrate with chlorinated pyridazines and pyridazones were studied.Translated from Zhurnal Prikladnoi Khimii, Vol. 77, No. 12, 2004, pp. 2021–2024.Original Russian Text Copyright © 2004 by Baranov, Tsypin, Malin, Laskin.     

Influence of fulleroid nanoparticles (astralenes) on absorption of water by epoxy resin

Water absorption by ED-20 epoxy resin modified with fullerid nanoparticles, astralenes, was studied as influenced by the modifier content.Translated from Zhurnal Prikladnoi Khimii, Vol. 77, No. 8, 2004, pp. 1398–1400.Original Russian Text Copyright © 2004 by Kositskii, V. Yudovich, M. Yudovich, Ponomarev.     

Effect of benzaldehyde derivatives on the rate of hydrogen evolution in a sealed lead-acid battery

The influence exerted by a number of benzaldehyde derivatives on the rate of hydrogen evolution from a lead-acid battery was studied.Translated from Zhurnal Prikladnoi Khimii, Vol. 77, No. 9, 2004, pp. 1467–1471.Original Russian Text Copyright © 2004 by Kamenev, Kiselevich, Ostapenko, Varypaev.     

Surface tension and density of a sodium hydroxide melt

The surface tension and density of a sodium hydroxide melt were determined experimentally in a wide temperature range.Translated from Zhurnal Prikladnoi Khimii, Vol. 77, No. 12, 2004, pp. 2054–2055.Original Russian Text Copyright © 2004 by Patrov, Yurkinskii.     

Synthesis of substituted ureas from urea and halohydrins

Substituted ureas were prepared by reactions of 1,2-halohydrins with urea and were tested as antimicrobial additives to motor oils.Translated from Zhurnal Prikladnoi Khimii, Vol. 77, No. 10, 2004, pp. 1681–1683.Original Russian Text Copyright © 2004 by Magerramov, Abdinbekova, Kurbanova, Zamanova, Allakhverdiev.     

Use of latex systems for controlling the properties of urea-formaldehyde resins

The influence of latex formulations and a filler, Vulkasil, on the processing and physicochemical properties of urea-formaldehyde resins was studied.Translated from Zhurnal Prikladnoi Khimii, Vol. 77, No. 10, 2004, pp. 1725–1728.Original Russian Text Copyright © 2004 by Glazkov.     

Effect of zirconium,calcium, and barium on corrosion-electrochemical behavior of aluminum

The effect of zirconium, calcium, and barium on corrosion-electrochemical properties of aluminum was studied. A positive effect of alloying aluminum by these metals was revealed.Translated from Zhurnal Prikladnoi Khimii, Vol. 77, No. 11, 2004, pp. 1815–1818.Original Russian Text Copyright © 2004 by Ganiev, Barotov, Inoyatov.     

Kinetic features of catalytic decomposition of cyclohexyl hydroperoxide and 1-methylcyclohexyl hydroperoxide

Catalytic decomposition of cyclohexyl and 1-methylcyclohexyl peroxides in the presence of 3d-metal acetylacetonates was studied.Translated from Zhurnal Prikladnoi Khimii, Vol. 77, No. 8, 2004, pp. 1316–1322.Original Russian Text Copyright © 2004 by Syroezhko, Begak.     

Some aspects of the adhesion compatibility of hydrophobic and hydrophilic medicinal materials

The hydrophilicity and hydrophobicity of surfaces was studied after their treatment with solutions of NaOH and polyethylene.Translated from Zhurnal Prikladnoi Khimii, Vol. 77, No. 10, 2004, pp. 1750–1752.Original Russian Text Copyright © 2004 by Ostrovidova, Zamyslov, Makeev.     

Optimization of electroplating processes in drum baths to obtain a more uniform coating

The optimization of the electroplating process in drum electrolyzers to minimize the standard deviation of the coating thickness is considered.Translated from Zhurnal Prikladnoi Khimii, Vol. 77, No. 9, 2004, pp. 1481–1486.Original Russian Text Copyright © 2004 by Karavaev, Litovka.