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.     

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.     

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.     

Synthesis of di(polyfluoroalkyl) ethers

New procedures for preparing di(polyfluoroalkyl) ethers by reactions of polyfluoropropyl chlorosulfonites with polyfluorinated alcohols were tested.Translated from Zhurnal Prikladnoi Khimii, Vol. 77, No. 9, 2004, pp. 1573–1574.Original Russian Text Copyright © 2004 by Rakhimov, Nalesnaya, Vostrikova.     

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.     

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.     

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 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.     

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.     

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.     

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.     

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.     

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.     

Intensification of impregnation of metal-ceramic supports in fabrication of nickel oxide electrodes by the nitrate technique

The possibility of making shorter the time of fabrication of a nickel oxide electrode by impregnation of a metal-ceramic support in a nickel nitrate solution with addition of sodium nitrite was studied.Translated from Zhurnal Prikladnoi Khimii, Vol. 77, No. 9, 2004, pp. 1487–1490.Original Russian Text Copyright © 2004 by Kuzina, Bachaev.     

Effect of ozone on the corrosion of metals in an acid medium

The corrosion-electrochemical behavior of steels and metals in sulfuric, hydrochloric, and acetic acids in the presence of ozone was studied.Translated from Zhurnal Prikladnoi Khimii, Vol. 77, No. 11, 2004, pp. 1819–1825.Original Russian Text Copyright © 2004 by Tatarchenko.     

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.     

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.     

Effect of acidifying agent on autophoretic application of polymeric composite coatings

The effect of acidifying agent on autophoretic application of a polymeric composite material and protective properties of the resulting coatings is studied.Translated from Zhurnal Prikladnoi Khimii, Vol. 77, No. 11, 2004, pp. 1905–1908.Original Russian Text Copyright © 2004 by Bespalova, Miroshnichenko, Lovpache, Kudryavtsev.