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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">vuzbiochemi</journal-id><journal-title-group><journal-title xml:lang="ru">Известия вузов. Прикладная химия и биотехнология</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of Universities. Applied Chemistry and Biotechnology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2227-2925</issn><issn pub-type="epub">2500-1558</issn><publisher><publisher-name>ИРНИТУ</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21285/2227-2925-2021-11-2-326-332</article-id><article-id custom-type="elpub" pub-id-type="custom">vuzbiochemi-608</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>КРАТКИЕ СООБЩЕНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>BRIEF COMMUNICATION</subject></subj-group></article-categories><title-group><article-title>Исследование эффективности ингибиторов коррозии на основе производных изотиурониевых солей</article-title><trans-title-group xml:lang="en"><trans-title>Study on efficiency of corrosion inhibitors based on derivatives of isothiuronic salts</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ушаков</surname><given-names>И. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Ushakov</surname><given-names>I. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ушаков Игорь Алексеевич - кандидат химических наук, старший научный сотрудник.</p><p>664033, Иркутск, ул. Фаворского, 1.</p></bio><bio xml:lang="en"><p>Igor A. Ushakov - Cand. Sci. (Chemistry),Senior Researcher, A.E. Favorsky Irkutsk Institute of Chemistry SB RAS.</p><p>1, A.E. Favorsky St., Irkutsk, 664033.</p></bio><email xlink:type="simple">ushakov@irioch.irk.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Никонова</surname><given-names>В. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Nikonova</surname><given-names>V. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Никонова Валентина Сергеевна - кандидат химических наук, научный сотрудник.</p><p>664033, Иркутск, ул. Фаворского, 1.</p></bio><bio xml:lang="en"><p>Valentina S. Nikonova - Cand. Sci. (Chemistry), Researcher, A.E. Favorsky Irkutsk Institute of Chemistry SB RAS.</p><p>1, A.E. Favorsky St., Irkutsk, 664033.</p></bio><email xlink:type="simple">vahrina@irioch.irk.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Полынский</surname><given-names>И. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Polynskii</surname><given-names>I. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Полынский Игорь Владимирович – аспирант.</p><p>664074, Иркутск, ул. Лермонтова, 83.</p></bio><bio xml:lang="en"><p>Igor V. Polynskii - Postgraduate Student, Irkutsk National Research Technical University.</p><p>83, Lermontov St., Irkutsk, 664074.</p></bio><email xlink:type="simple">polinigor@yandex.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Князева</surname><given-names>Л. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Knyazeva</surname><given-names>L. G.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Князева Лариса Геннадьевна - доктор химических наук, главный научный сотрудник.</p><p>392022, Тамбов, пер. Ново-Рубежный, 28.</p></bio><bio xml:lang="en"><p>Larisa G. Knyazeva - Dr. Sci. (Chemistry), Chief Researcher, All-Russian Scientific Research Institute for the Use of Machinery and Oil Products in Agriculture.</p><p>28, Novo-Rubizhny Lane, Tambov, 392022.</p></bio><email xlink:type="simple">knyazeva27@mail.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Полынская</surname><given-names>М. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Polynskaya</surname><given-names>M. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Полынская Мария Михайловна – кандидат экономических наук, доцент.</p><p>664074, Иркутск, ул. Чернышевского, 15.</p></bio><bio xml:lang="en"><p>Mariya M. Polynskaya - Cand. Sci (Economy), Associate Professor, Irkutsk State Transport University.</p><p>15, Chernyshevsky St., Irkutsk, 664074.</p></bio><email xlink:type="simple">marypo1976@yandex.ru</email><xref ref-type="aff" rid="aff-4"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Анциферов</surname><given-names>Е. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Antsiferov</surname><given-names>E. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Анциферов Евгений Александрович - кандидат химических наук, директор Института высоких технологий.</p><p>664074, Иркутск, ул. Лермонтова, 83.</p></bio><bio xml:lang="en"><p>Evgeniy A. Antsiferov - Cand. Sci. (Chemistry), Director of High Technologies Institute, Irkutsk National Research Technical University.</p><p>83, Lermontov St., Irkutsk, 664074.</p></bio><email xlink:type="simple">antsiferov@istu.edu</email><xref ref-type="aff" rid="aff-5"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Иркутский институт химии им. А.Е. Фаворского СО РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>A.E. Favorsky Irkutsk Institute of Chemistry SB RAS</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Иркутский национальный исследовательский технический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Irkutsk National Research Technical University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Всероссийский научно-исследовательский институт использования техники и нефтепродуктов в сельском хозяйстве</institution><country>Россия</country></aff><aff xml:lang="en"><institution>All-Russian Scientific Research Institute for the Use of Machinery and Oil Products in Agriculture</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>Иркутский государственный университет путей сообщения</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Irkutsk State Transport University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-5"><aff xml:lang="ru"><institution>Иркутский национальный исследовательский технический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>All-Russian Scientific Research Institute for the Use of Machinery and Oil Products in Agriculture</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>04</day><month>07</month><year>2021</year></pub-date><volume>11</volume><issue>2</issue><fpage>326</fpage><lpage>332</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Ушаков И.А., Никонова В.С., Полынский И.В., Князева Л.Г., Полынская М.М., Анциферов Е.А., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Ушаков И.А., Никонова В.С., Полынский И.В., Князева Л.Г., Полынская М.М., Анциферов Е.А.</copyright-holder><copyright-holder xml:lang="en">Ushakov I.A., Nikonova V.S., Polynskii I.V., Knyazeva L.G., Polynskaya M.M., Antsiferov E.A.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://vuzbiochemi.elpub.ru/jour/article/view/608">https://vuzbiochemi.elpub.ru/jour/article/view/608</self-uri><abstract><p>Роль металлов в промышленности крайне важна, их использование постоянно растет. Практически невозможно найти хотя бы одну промышленную область, которая обходилась бы без использования металлов и их сплавов. Но из-за снижения качества металла в процессе эксплуатации возникает коррозия не только на его поверхности, но и под покрытием, что приводит к его разрушению. Чтобы избежать этого, необходимо применять ингибиторы коррозии. Широкое применение в качестве ингибиторов коррозии получили органические соединения. В настоящее время разработано множество органических ингибиторов коррозии. В литературе описаны органические соединения, в состав которых входят гетероатомы N, O, S и P, что снижает скорость коррозии. Органические соединения адсорбируются на поверхности металла, образуя тонкий слой. Адсорбция происходит либо за счет электростатического взаимодействия, либо, в некоторых случаях, за счет образования ковалентных связей. Целью работы являлось исследование изотиурониевых солей в качестве ингибиторов коррозии, оценка их защитных свойств методом поляризационных кривых. Объектами исследований выступили изотиуронивые соединения, содержащие два активных центра, разделенных насыщенными и ненасыщенными углеродными связями (структуры 1-3). В структурах 4-7 один изотиурониевый фрагмент имеет разные пропиленовые заместители. Ранее было показано, что эти соединения могут выступать как эффективные блескообразователи при нанесении никелевых покрытий. Для исследования ингибиторов коррозии приготавливали модельный раствор плотностью 1,12 г/см3. Концентрация ингибитора коррозии составляла 400 мг/л. Как показали исследования, соединения, имеющие два изотиуроневых фрагмента, не всегда показывают улучшение свойств для ингибирования разрушения металла в коррозионной среде. В частности, на образцах из стали марки Ст20 они показали ухудшение ингибирующих свойств, на образцах из стали марки Ст3 эти соединения проявляют практически одинаковые свойства.</p></abstract><trans-abstract xml:lang="en"><p>Metals play a pivotal role in industry; their use constantly grows. It is virtually impossible to find an industrial field without the use of metals and their alloys. However, owing to the quality degradation of metal during the operational process, corrosion appears not only on its surface but also under a coating, which leads to its destruction. To avoid this, corrosion inhibitors are necessary. Organic compounds have been widely used as corrosion inhibitors. Many organic corrosion inhibitors have been developed nowadays. In the literature, organic compounds comprising N, O, S and P heteroatoms are described, which reduce corrosion rate. The organic compounds are adsorbed on the metal surface, forming a thin layer. Adsorption occurs either through electrostatic interaction or, in some cases, the formation of covalent bonds. The work aimed to study isothiuronic salts as corrosion inhibitors to evaluate their protective properties using the polarisation curves method. Objects of research were isothiuronic compounds containing two active centres separated by saturated and unsaturated carbon bonds (structures 1-3). In structures 4-7, one isothiuronic fragment has different propylene substituting groups. It has been previously shown that these compounds can act as effective brightening agents when applying nickel coatings. A model solution with a density of 1.12 g/cm3 was prepared to study the corrosion inhibitors. The corrosion inhibitor concentration was 400 mg/L. Studies have shown that the compounds with two isothiuronic moieties do not always exhibit improved properties for inhibiting metal degradation in a corrosive environment. In particular, they showed worsening of the inhibiting properties for samples made of steel 20 and identical properties for that made of steel 3.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>коррозия</kwd><kwd>ингибитор</kwd><kwd>изотиуронивые соединения</kwd><kwd>поляризационные кривые</kwd><kwd>уравнение Батлера - Фольмера</kwd></kwd-group><kwd-group xml:lang="en"><kwd>corrosion</kwd><kwd>inhibitor</kwd><kwd>isothiuronic compounds</kwd><kwd>polarisation curves</kwd><kwd>Butler - Volmer equation</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Sharma S., Kumar A. Recent advances in metallic corrosion inhibition: A review // Journal of Molecular Liquids. 2021. Vol. 322. P. 114862. https://doi.org/10.1016/j.molliq.2020.114862</mixed-citation><mixed-citation xml:lang="en">Sharma S, Kumar A. Recent advances in metallic corrosion inhibition: A review. 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