Technological aspects of preparation of high-purity compounds for sol-gel and pyrolytic synthesis methods

Grinberg, E. E.; Sudarikova, E. Yu.; Syrychko, V. V.; Strel’nikova, I. E.; Potelov, V. V.; Baranov, K. V.

doi:10.1134/s1087659608040238

Cited by 5 publications

(2 citation statements)

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“…There are various chemical methods for the production of corundum such as alcoholate method [7], synthesis of corundum from aluminum in a high-pressure reactor [8] and thermal decomposition of aluminum nitrates [9][10][11][12]. These methods are too expensive, time consuming and labor intensive and therefore they have not received widespread industrial application.…”

Section: Methodsmentioning

confidence: 99%

Development of New Plasma Technology Methods in Synthetic Materials Production and Research

Popova

Kison

Сухомлинов

et al. 2021

MSF

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This paper presents the results of the application of new unique techniques based on plasma nanotechnology in metallurgy and materials science. In recent years, a team of authors have developed the solutions for extraordinary problems arising in the conditions of metallurgical enterprises related to the production of synthetic materials and control of manufactured products, namely, the methods for the production of various structural materials and optimization of methods for their non-destructive testing by atomic emission spectral analysis (AESA). The paper points out some aspects of ongoing research, in particular, an innovative technique that allows obtaining ultrapure samples of white corundum by plasma melting of alumina in a reactor. This method also allows obtaining ultrapure aluminum at the output, which can be used for the purposes of hydrogen energy. In the course of the research, the criteria for thermal protection, temperature conditions and optimal parameters of the plasmatron were determined. In order to carry out the studies of metals and alloys by AESA method, a new global analytical method was developed, which made it possible to take into account the influence of various important parameters, including third elements, background plasma radiation, etc. This method has been preliminary tested on emission spectrometers made in Russia and can significantly reduce the error in the determination of low concentrations of elements. In addition to the consideration of these parameters, the method makes it possible to perform high-precision calibration of atomic emission spectrometers of the same type (produced in series), using not a set of several tens of approved standard samples, but only two standard samples. For each area, patent applications were formed and filed.

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Section: Methodsmentioning

confidence: 99%

Development of New Plasma Technology Methods in Synthetic Materials Production and Research

Popova

Kison

Сухомлинов

et al. 2021

MSF

View full text Add to dashboard Cite

show abstract

“…The use of element alkoxy derivatives of general formula El(OR) n in techniques for coating deposition and synthesis of fi nely dispersed, to the point of being nanostructured, oxide powders of various chemical composition and protective and functional layers has been steadily increasing in recent years [1][2][3][4]. A substantial contribution to these techniques is made by silicon alcoholates, especially by those of the lower type: tetramethoxy-and tetraethoxysilane (TEOS).…”

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confidence: 99%

Synthesis of high-purity lower silicon alcoholates for new technology

Grinberg¹,

Levin²,

Krasil'shchik³

et al. 2012

Russ J Appl Chem

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Effect of Precursors on the Preparation and Texture of Mesoporous γ-Al2O3 Powders

2020

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Technological aspects of preparation of high-purity compounds for sol-gel and pyrolytic synthesis methods

Abstract: A number of aspects associated with the synthesis of high-purity compounds used in the gas-phase and sol-gel methods for preparing coatings and finely dispersed powders of oxides and oxide composites are considered.

Cited by 5 publications

References 2 publications

Development of New Plasma Technology Methods in Synthetic Materials Production and Research

Development of New Plasma Technology Methods in Synthetic Materials Production and Research

Synthesis of high-purity lower silicon alcoholates for new technology

Effect of Precursors on the Preparation and Texture of Mesoporous γ-Al2O3 Powders

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