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Functionalization of Halloysite by 3-Aminopropyltriethoxysilane in Various Solvents

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Abstract

Halloysite is modified with 3-aminopropyltriethoxysilane in various solvents without pretreatment. According to elemental analysis, FTIR spectroscopy, and thermogravimetry, the reaction between 3‑aminopropyltriethoxysilane and halloysite successfully proceeds regardless of the nature of the solvent. The maximum degree of functionalization of interaction products is achieved at the equimolar silane : halloysite ratio; as this value is increased, the degree of functionalization decreases. The magnitude of the degree of hydrolysis changes symbatically with the degree of functionalization.

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ACKNOWLEDGMENTS

The composition and structure of the products were characterized using equipment of the Shared Research Center Spectroscopy and Analysis of Organic Compounds within the framework of State Assignment for the Postovskii Institute of Organic Synthesis, Ural Branch, Russian Academy of Sciences (AAAA-A19-119012490006-1).

Funding

The study of the effect of reaction conditions and the SEM characterization of the samples were supported by the Russian Foundation for Basic Research (grant no. 18-29-12129mk).

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Authors and Affiliations

  1. Postovskii Institute of Organic Chemistry, Ural Branch, Russian Academy of Sciences, 620137, Yekaterinburg, Russia

    V. A. Osipova, A. V. Pestov & A. V. Mekhaev

  2. Ural Federal University, 620002, Yekaterinburg, Russia

    A. V. Pestov, A. M. A. Abuelsoad, D. P. Tambasova, D. O. Antonov & E. G. Kovaleva

Authors
  1. V. A. Osipova
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  2. A. V. Pestov
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  3. A. V. Mekhaev
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  4. A. M. A. Abuelsoad
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  5. D. P. Tambasova
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  6. D. O. Antonov
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  7. E. G. Kovaleva
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Corresponding author

Correspondence to V. A. Osipova.

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The authors declare that there is no conflict of interest to be disclosed in this paper.

ADDITIONAL INFORMATION

V.A. Osipova, ORCID: https://orcid.org/0000-0001-7451-9428

A.V. Pestov, ORCID: https://orcid.org/0000-0002-4270-3041

A.V. Mekhaev, ORCID: https://orcid.org/0000-0002-9657-2243

A.M.A. Abuelsoad, ORCID: https://orcid.org/0000-0002-3959-6644

D.P. Tambasova, ORCID: https://orcid.org/0000-0001-6996-5087

D.O. Antonov, ORCID: https://orcid.org/0000-0002-7839-0921

E.G. Kovaleva, ORCID: https://orcid.org/000-0002-3111-345X

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Translated by V. Avdeeva

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Osipova, V.A., Pestov, A.V., Mekhaev, A.V. et al. Functionalization of Halloysite by 3-Aminopropyltriethoxysilane in Various Solvents. Pet. Chem. 60, 597–600 (2020). https://doi.org/10.1134/S0965544120050072

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  • DOI: https://doi.org/10.1134/S0965544120050072

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