jamtJournal of Advanced Materials and TechnologiesJournal of Advanced Materials and Technologies2782-21922782-2206ФГБОУ ВО «ТГТУ»10.17277/jamt-2026-11-01-029-042jamt-88Research ArticleПроизводственные процессы и системыManufacturing processes and systemsОсобенности изменения адгезионной прочности внутренних эпоксидных покрытий нефтепроводных и насосно-компрессорных труб в сероводородсодержащих средахPeculiarities of changes in the adhesive strength of internal epoxy coatings of oil pipelines and pump-compressor pipes in hydrogen sulfide-containing environmentshttps://orcid.org/0000-0002-4517-3744ЮдинП. Е.YudinP. E.

Юдин Павел Евгеньевич - кандидат технических наук, доцент, директор по науке, ООО «НПЦ «Самара», СамГТУ.

ул. Гаражный проезд, 3 Б, Самара, 443022; ул. Молодогвардейская, 244, Самара, 443100

Pavel E. Yudin - Cand. Sc. (Eng.), Associate Professor, Director of Science, Research and Production Center “Samara” LLC, Samara State Technical University.

3 B, Garazhny proezd St., Samara, 443022; 244, Molodogvardeyskaya St., Samara, 443100

udin@npcsamara.ruhttps://orcid.org/0000-0002-6232-5666БогатовМ. В.BogatovM. V.

Богатов Максим Валерьевич - кандидат технических наук, доцент, ведущий инженер, ООО «НПЦ «Самара», СамГТУ.

ул. Гаражный проезд, 3 Б, Самара, 443022; ул. Молодогвардейская, 244, Самара, 443100

Maxim V. Bogatov - Cand. Sc. (Eng.), Associate Professor, Leading Engineer, Research and Production Center “Samara” LLC, Samara State Technical University.

3 B, Garazhny proezd St., Samara, 443022; 244, Molodogvardeyskaya St., Samara, 443100

bogatov@npcsamara.ruhttps://orcid.org/0000-0002-1564-0858ЛожкомоевА. С.LozhkomoevA. S.

Ложкомоев Александр Сергеевич - доктор технических наук, ведущий научный сотрудник.

пр. Академический, 2/4, Томск, 634055

Aleksandr S. Lozhkomoev - D. Sc. (Eng.), Leading Researcher, Panin Institute of Strength Physics and Materials Science of SB RAS.

2/4, Akademichesky Av., Tomsk, 634055

asl@ispms.ruООО «Научно-производственный центр «Самара»; Самарский государственный технический университетРоссияResearch and Production Center “Samara” LLC; Samara State Technical UniversityRussian FederationИнститут физики прочности и материаловедения им. В.Е. Панина СО РАНРоссияPanin Institute of Strength Physics and Materials Science of SB RASRussian Federation2026230520261112942Copyright © Юдин П.Е., Богатов М.В., Ложкомоев А.С., 20262026Юдин П.Е., Богатов М.В., Ложкомоев А.С.Yudin P.E., Bogatov M.V., Lozhkomoev A.S.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://jamt.elpub.ru/jour/article/view/88

Исследуется влияние сероводорода (H2S) на адгезионную прочность внутренних полимерных покрытий, используемых для защиты нефтяных трубопроводов от коррозии. Основное внимание уделено анализу механизмов разрушения покрытий в агрессивных средах, включая химические реакции H2S с неорганическими наполнителями, такими как оксид железа (Fe2O3), что приводит к образованию сульфидов и резкому снижению адгезии. Эксперименты проводились в автоклавных условиях с варьированием концентрации H2S, температуры и времени выдержки. Результаты показали, что даже минимальные концентрации H2S (> 300 Па) вызывают значительное ухудшение адгезионных свойств покрытий. Предложена модель снижения адгезии, которая позволяет прогнозировать ресурс покрытий в конкретных условиях эксплуатации. Особое внимание уделено сравнению различных типов покрытий, включая дуплексные, жидкие и порошковые системы, а также роли фенольных праймеров в их устойчивости. Установлено, что процессы диффузии и химического взаимодействия с компонентами покрытий играют ключевую роль в их долговечности. Полученные данные важны для разработки более эффективных антикоррозионных решений в нефтегазовой отрасли.

The paper examines the impact of hydrogen sulfide (H2S) on the adhesion strength of internal polymer coatings designed to safeguard oil pipelines against corrosion. The analysis focuses on the mechanisms of coating destruction in aggressive environments, including the chemical reaction of H2S with inorganic fillers such as iron oxide (Fe2O3), which leads to the formation of sulfides and a sharp decrease in adhesion. Experiments were conducted under autoclave conditions with varying H2S concentrations, temperatures, and holding times. The results showed that even minimal H2S concentrations significantly deteriorate the adhesive properties of coatings. A model of adhesion reduction is proposed that allows to predict the service life of coatings under specific operating conditions. Particular attention is given to comparing various types of coatings, including duplex, liquid, and powder systems, as well as the role of phenolic primers in their stability. The processes of diffusion and chemical interaction with the coating components were found to play a key role in durability. These findings are crucial for developing more effective anti-corrosion solutions in the oil and gas industry.

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