danДоклады Национальной академии наук БеларусиDoklady of the National Academy of Sciences of Belarus1561-83232524-2431The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"10.29235/1561-8323-2022-66-3-287-293dan-1066Research ArticleХИМИЯCHEMISTRYСоздание рН-чувствительных антикоррозионных контейнерных систем на основе частиц интеркалированного азолом оксида молибдена с олигооксометаллатной оболочкойCreating the рH-sensitive corrosion-inhibiting container structures based on the azole-intercalated molybdenum oxide particles with oligooxometalate shellЛогвиновичА. С.LogvinovichA. S.

Логвинович Александр Сергеевич – канд. хим. наук, доцент

пр. Независимости, 4, 220050, Минск

Logvinovich Alexander S. – Ph. D. (Chemistry), Associate Professor

4, Nezavisimosti Ave., 220050, Minsk

logvinovich2357@gmail.comСвиридоваТ. В.SviridovaT. V.

Свиридова Татьяна Викторовна – д-р хим. наук, профессор

пр. Независимости, 4, 220050, Минск

Sviridova Tatiana V. – D. Sc. (Chemistry), Professor

4, Nezavisimosti Ave., 220050, Minsk

sviridova@bsu.byСкорбЕ. В.SkorbE. V.

Скорб Екатерина Владимировна – канд. хим. наук, доцент, директор,Ю Научно-образовательный центр инфохимии

ул. Ломоносова, 9, 191002, Санкт-Петербург

Skorb Ekaterina V. – Ph. D. (Chemistry), Associate Professor, Director. Infochemistry Scientific Center 

9, Lomonosov Str., St. Petersburg, 191002

skorb@itmo.ruСвиридовД. В.SviridovD. V.

Свиридов Дмитрий Вадимович – член-корреспондент, д-р хим. наук, профессор, декан

пр. Независимости, 4, 220050, Минск

Sviridov Dmitry V. – Corresponding Member, D. Sc. (Chemistry), Professor, Dean of the Faculty

4, Nezavisimosti Ave., 220050, Minsk

sviridov@bsu.byАгабековВ. Е.AgabekovV. E.

Агабеков Владимир Енокович – академик, д-р хим. наук, профессор, почетный директор

ул. Ф. Скорины, 36, 220141, Минск

Agabekov Vladimir E. – Academician, D. Sc. (Chemistry), Professor, Honorary Director

36, F. Skorina Str., 220141, Minsk

agabekov@ichnm.byБелорусский государственный университетBelarusian State UniversityУниверситет ИТМОITMO UniversityИнститут химии новых материалов Национальной академии наук БеларусиInstitute of Chemistry of New Materials of the National Academy of Sciences of Belarus202201072022663287293Copyright © Логвинович А.С., Свиридова Т.В., Скорб Е.В., Свиридов Д.В., Агабеков В.Е., 20222022Логвинович А.С., Свиридова Т.В., Скорб Е.В., Свиридов Д.В., Агабеков В.Е.Logvinovich A.S., Sviridova T.V., Skorb E.V., Sviridov D.V., Agabekov V.E.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://doklady.belnauka.by/jour/article/view/1066

С использованием процессов поликонденсации оксосоединений синтезированы контейнерные структуры в виде ядра из слоистого триоксида молибдена, интеркалированного 3-амино-1,2,4-триазолом (ингибитор коррозии), на поверхность которого нанесена оболочка из полимеризованной вольфрамовой кислоты. Показано, что в кислой (pH < 5,5) и щелочной (pH > 8,5) среде сплошность оболочки обратимо нарушается, что позволяет инкапсулированному содержимому выделяться в окружающую среду. Наличие у оксометаллатной оболочки собственной редокс-активности позволяет иммобилизовать содержащие ингибитор контейнерные структуры за счет электрохимического соосаждения с никелем, а возможность открытия контейнеров в результате изменения локальных значений рН при протекании коррозионного процесса обеспечивает автономную антикоррозионную защиту полученных металл-матричных покрытий.

The container structures consisting of the core made of layered molybdenum oxide intercalated with 3-amono-1,2,4-triazole (it behaves as the corrosion inhibitor) capped with the shell made of polymerized tungsten oxide were synthesized employing the polycondensation of oxocompounds. It is shown that in the acid (pH < 5.5) and alkali (pH > 8.5) media, the coating continuity appears to be broken reversibly, which facilitates the emission of the encapsulated compounds from the containers. The intrinsic redox activity inherent into the oligooxometalate shell permits one to immobilize the synthesized containers by co-precipitation with galvanic nickel, whereas the possibility to open the container as a result of local pH value variations accompanying the corrosion process ensures the autonomic corrosion protection of the resultant metal-matrix coatings.

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The authors declare that there are no conflicts of interest present.