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 1-10    11-11 
1.
Инвентарный номер: нет.
   
   A 10

   
    A Carbon–Silica Composite Material Based on Powdered Cellulose: Synthesis and Properties / A. B. Shishmakov, Yu. V. Mikushina, A. S. Seleznev, O. V. Koryakova, A. A. Valeeva, L. A. Petrov // Russian Journal of Applied Chemistry. - 2008. - Vol. 81, № 12. - P2180-2182 : il. - Bibliogr. : p. 2182 (15 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
КОМПОЗИТНЫЕ МАТЕРИАЛЫ -- КАРБОН-КРЕМНИЕВЫЕ КОМПОЗИТЫ
Аннотация: A procedure was developed for preparing a carbon–silica composite by thermolysis of powdered cellulose in the presence of tetraethoxysilane. The resulting composite was studied in model processes of trimethylhydroquinone oxidation and hydrogen peroxide decomposition

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2.
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    Nikolaenko, I. V.
    Combined Method for Obtaining Ultradispersed / I. V. Nikolaenko, A. E. Krasovskaya, G. P. Shveikin // Russian Journal of Applied Chemistry. - 2015. - Vol. 88, № 1. - P35-39. - Bibliogr. : p. 39 (9 ref.)
Кл.слова (ненормированные):
ВАНАДИЙ -- ФАЗОВЫЙ СОСТАВ -- ПОРОШКИ -- УГЛЕРОД
Аннотация: New opportunity to synthesize nano- and ultradispersed powdered materials by combining of two procedures, classical liquid-phase precipitation and low-temperature microwave calcination, at a rather simple instrumentation is described. It was found in precipitation of precursors that, pending on the synthesis conditions (solution pH, amount of carbon, synthesis on the vessel surface or in the solution bulk), particles of hydrated vanadium oxide have different morphologies. It was also found that precursor powders have an insignifi cant microporosity, which is reserved in the fi nal products in trace amounts upon thermal treatment of samples. Intermediate and fi nal vanadium products were synthesized in an electromagnetic fi eld in a fl ow of argon, their phase composition and structure were examined in the stages of thermolysis, reduction, and arbidization, and their lattice constants were calculated. The morphology, size, and particle size distribution in the samples under study were determined.

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3.
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   E 27

   
    Effect of Ethylene Glycol on the Formation of Extended Crystals of M1/3Co2/3C2O4(M = Zn, Mn) Oxalates and Their Thermolysis Products / O. I. Gyrdasova, V. N. Krasil'nikov, I. G. Grigorov, G. V. Bazuev // Russian Journal of Inorganic Chemistry. - 2006. - Vol. 51, № 6. - P949-955 : il. - Bibliogr. : p. 954-955 (19 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
ЭТИЛЕНГЛИКОЛЬ -- ОКСАЛАТЫ -- ТЕРМОЛИЗ -- ЦИНК -- МАРГАНЕЦ
Аннотация: The effect of ethylene glycol (EG) on the formation of whiskers and fibers of complex oxides with the general formula MCo2O4 upon the thermolysis of M1/3Co2/3C2O4(M = Zn, Mn) oxalates has been studied. New compounds (solvates) are formed when powdered oxalates are heated with EG. In the solvates, EG molecules substitute for water molecules according to the reaction M1/3Co2/3C2O4· 2H2O + HOCH2CH2OH =M1/3Co2/3C2O4(HOCH2CH2OH) + 2H2O. The solvates have been characterized using X-ray powder diffraction, microscopy, IR spectroscopy, thermogravimetry, and chemical analysis. The shape, structure, and particle size of the thermolysis products of EG-modified oxalates have been determined using scanning electron microscopy

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4.
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   E 27

   
    Effect of ethylene glycol on the formation of extended crystals of M1/3Co2/3C2O4·2H2O (M = Zn, Mn) oxalates and their thermolysis products [Текст] / O. I. Gyrdasova, V. N. Krasil'nikov, I. G. Grigorov, G. V. Bazuev // Zhurnal Neorganicheskoi Khimii. - 2006. - Vol. 51, № 6. - С. 1020-1026
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ

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5.
Инвентарный номер: нет.
   
   K 81

    Krasil'nikov, V. N.
    Ethylene Glycol-Modified Cobalt and Iron Oxalates As Precursors for the Synthesis of Oxides As Extended Microsized and Nanosized Objects / V. N. Krasil'nikov, O. I. Gyrdasova, G. V. Bazuev // Russian Journal of Inorganic Chemistry. - 2008. - Vol. 53, № 12. - P1854-1861 : il. - Bibliogr. : p. 1860-1861 (18 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
ЭТИЛЕНГЛИКОЛЬ -- КОБАЛЬТ -- ОКСИДЫ -- ОКСАЛАТ ЖЕЛЕЗА
Аннотация: The reactions of ethylene glycol with iron and cobalt oxalates upon heating in air are reported. Heat treatment of mixtures of oxalate powders with ethylene glycol yields new compounds (solvates) via the replacement of the water molecules in the oxalate structure by ethylene glycol molecules: MC2O4·2H2O+HOCH2CH2OH=MC2O4(HOCH2CH2OH)+2H2O↑. The crystals resulting from this reaction are elongated, and their shape is inherited by their thermolysis products. Thermolysis in air yields microwhiskers and nanowhiskers of Fe2O3and Co3O4, and thermolysis in an inert atmosphere affords Fe3O4and Co whiskers. The thermolysis of FeC2O4(HOCH2CH2OH) in helium yields a new structural modification of FeC2O4 as an intermediate product. The resulting compounds and their thermolysis products were characterized by X-ray powder diffraction, microscopy, IR spectroscopy, and thermogravimetric and chemical analyses. The particle shape and size were determined by scanning electron microscopy

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6.
Инвентарный номер: нет.
   
   S 56

    Shveikin, G. P.
    Nano- and Microagglomeration Processes in the Thermolysis of Titanium and Zirconium Oxyhydrates / G. P. Shveikin, I. V. Nikolaenko // Inorganic Materials. - 2010. - Vol. 46, № 5. - P. 510-516 : il. - Bibliogr. : p. 516 (11 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
ТЕРМОЛИЗ -- ОКСИГИДРАТ ТИТАНА -- ОКСИГИДРАТ ЦИРКОНИЯ -- НАНОЧАСТИЦЫ
Аннотация: Titanium and zirconium oxyhydrates have been prepared using various additives and synthesis procedures, and the heating kinetics of polyacids and the mechanism of nanoparticle agglomeration during the thermolysis process have been studied. The resultant materials have been characterized by thermogravimetry, X-ray diffraction, microstructural analysis, and specific surface area measurements

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7.
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   S 98

   
    Synthesis and Photocatalytic Activity of Ti[1 – x]VxO[2 – y]Cy Whiskers in Hydroquinone Oxidation in Aqueous Solutions / V. N. Krasil'nikov, A. P. Shtin, O. I. Gyrdasova, E. V. Polyakov, L. Yu. Buldakova, M. Yu. Yanchenko, V. M. Zainullina, V. P. Zhukov // Russian Journal of Inorganic Chemistry. - 2010. - Vol. 55, № 8. - P1184-1191 : il. - Bibliogr. : p. 1190-1191 (28 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
ФОТОКАТАЛИТИЧЕСКАЯ АКТИВНОСТЬ -- ГИДРОХИНОН -- ВАНАДИЙ
Аннотация: Ti1–xVxO2–yCy (0 ≤ x ≤ 0.10 and x = 0.50) whiskers having the anatase structure were synthesized via thermolysis of vanadium doped titanium glycolate of composition Ti1–xVx(OCH2CH2O)2 (0 ≤ x ≤ 0.10 and x = 0.50). The starting reagents used to prepare Ti1–xVx(OCH2CH2O)2 were mixtures of coprecipitated titanium and vanadyl hydroxides, which were heated in ethylene glycol at T ≤ 200°C: (1 – x)TiO(OH)2 + xVO(OH)2 + 2HOCH2CH2OH = Ti1–xVx(OCH2CH2O)2 + 3H2O↑. Thermolysis of vanadium doped titanium glycolate in various gas media over a wide range of temperatures is useful to prepare titania samples doped with both vanadium and carbon to form a phase of the general composition Ti1 – xVxO2 – yCy whiskers prepared by thermolyzing Ti1 – xVx(OCH2CH2O)2 in air at 450°C were found to have a high photocatalytic activity in hydroquinone oxidation in aqueous solutions irradiated in the UV spectral range; the photocatalyst’s activity increases with increasing vanadium concentration. When hydroquinone was irradiated in the blue, the maximal catalytic activity was discovered in a sample of composition Ti0.50V0.50O2–yCy. Quantum chemical calculations support experimental data that the double doping of titania (Ti1–xVxO2–yCy) enhances its photocatalytic activity compared to undoped anatase or anatase doped in one sublattice: Ti1–xVxO2 and TiO2–yCy alytic activity compared to undoped anatase or anatase doped in one sublattice: Ti1–xVxO2 and TiO2–yCy.

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8.
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   S 98

   
    Synthesis and Properties of Titanium Glycolate Ti(OCH2CH2O)2 / V. N. Krasil'nikov, A. P. Shtin, O. I. Gyrdasova, E. V. Polyakov, G. P. Shveikin // Russian Journal of Inorganic Chemistry. - 2008. - Vol. 53, № 7. - P1065-1069 : il. - Bibliogr. : p. 1069 (21 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
ГЛИКОЛЯТ ТИТАНА -- ДИОКСИД ТИТАНА -- НАНОТЕХНОЛОГИИ
Аннотация: A new efficient method for the synthesis of extended micro- and nano-sized crystals (whiskers, fibers) of titanium glycolate Ti(OCH2CH2O)2 has been suggested. The method implies the reaction of hydrated titanium dioxide with ethylene glycol on heating in air. Thermolysis of Ti(OCH2CH2O)2 in air gives titanium dioxide as anatase (400–500°C) and rutile (T> 700°C), the morphology of titanium glycolate crystals being inherited by the oxide. The pseudocrystals of the thermolysis product in an inert gas medium (T=500–950°C) represent aglomeration of nano-sized titanium dioxide particles and amorphous carbon. At temperatures up to 1300°C, the formation of the TiO2–xCx phase with a rutile structure is probable. In a wet air environment, titanium glycolate is partially hydrolyzed to give TiOx(OCH2CH2O)2–2x(OH)2x·xH2O(0≤x≤1) and on keeping in water at room temperature, ethylene glycol is completely displaced from the crystals. This process is also not accompanied by changes in the particle morphology

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9.
Инвентарный номер: нет.
   
   S 98

   
    Synthesis and Study of Photocatalytic Activity of Nanoscale Quasi-One-Dimensional Ti1 – xVxO2 (0 ≤ x ≤ 0.13) and Zn1 – xCoxO (0 ≤ x ≤ 0.3) Oxides / O. I. Gyrdasova, V. N. Krasil'nikov, G. V. Bazuev, L. Yu. Buldakova, M. Yu. Yanchenko // Bulletin of the Russian Academy of Sciences: Physics. - 2009. - Vol. 73, № 8. - P. 1113-1116 : il. - Bibliogr. : p. 1116 (10 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
ФОТОКАТАЛИТИЧЕСКАЯ АКТИВНОСТЬ -- ОКСИВАНАДАТ ТИТАНА -- ОКСИКОБАЛЬТИТ ЦИНКА
Аннотация: A original method of synthesis of quasi one dimensional Ti1 – xVx(OCH2CH2O)2 (0 ≤ x ≤ 0.13) and Zn1 – xCox(HCOO)(HOCH2CH2O) (0 ≤ x ≤ 0.3) has been developed. The synthesis products were used as a basis for nanoscale extended Ti1 – xVxO2 and Zn1 – xCoxO oxides. The compounds obtained and products of their thermolysis were investigated by X ray diffraction, microscopy, IR spectroscopy, thermogravimetry, and chemical analysis; the shape and size of particles were determined by scanning electron microscopy. The good prospects of Ti1 – xVxO2 and Zn1 – xCoxO solid solutions as photocatalysts for hydroquinone oxidation are shown

\\\\Expert2\\nbo\\Bulletin of the Russian Academy of Sciences Physics\\2009, V. 73, N 8, P. 1113-1116.pdf
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10.
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   G 99

    Gyrdasova, O. I.
    Synthesis of Micro- and Nanosized Manganese Oxides from Hydrated Manganese Oxalates and Products of Their Chemical Modification with Ethylene Glycol / O. I. Gyrdasova, V. N. Krasil'nikov, G. V. Bazuev // Russian Journal of Inorganic Chemistry. - 2009. - Vol. 54, № 7. - P1035-1040 : il. - Bibliogr. : p. 1040 (9 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
ОКСИД МАРГАНЦА -- ОКСАЛАТЫ -- ЭТИЛЕНГЛИКОЛЬ
Аннотация: The reactions of ethylene glycol with manganese oxalates MnC2O4·2H2O and MnC2O4·3H2O on heating in air were studied. At temperature below 100°C, ethylene glycol was found to displace water from oxalates to give a new solvate compound according to the reaction MnC2O4·nH2O+HOCH2CH2OH=MnC2O4(HOCH2CH2OH) +nH2O↑. The crystals of the solvates retain the morphology of the initial oxalates, which is then inherited by the products of their thermolysis. Thus, thermolysis of MnC2O4·3H2O and MnC2O4(HOCH2CH2OH) having quasi-unidimensional structure gave Mn3O4 and Mn2O3nanowhiskers in air and MnO in an inert gas environment. Heating of MnC2O4·nH2O in ethylene glycol at temperatures above 100°C results in anhydrous manganese oxalate

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