chemicallytechFine Chemical TechnologiesТонкие химические технологии2410-65932686-7575MIREA – Russian Technological University (RTU MIREA).10.32362/2410-6593-2025-20-6-612-621YIHUJZchemicallytech-2338Research ArticleSYNTHESIS AND PROCESSING OF POLYMERS AND POLYMERIC COMPOSITESСИНТЕЗ И ПЕРЕРАБОТКА ПОЛИМЕРОВ И КОМПОЗИТОВ НА ИХ ОСНОВЕSurface treatments of nitrile butadiene rubber to enhance wear resistance and mechanical propertiesОбработка поверхности бутадиен-нитрильного каучука для повышения износостойкости и механических свойствhttps://orcid.org/0000-0002-0282-7015СухареваК. В.SukharevaK. V.

Сухарева Ксения Валерьевна, к.х.н., доцент, заведующая базовой кафедрой индустрии качества

Scopus Author ID 57191042974

115054, Москва, Стремянный переулок, д. 36

199334, Москва, ул. Косыгина, д. 4

Ksenia V. Sukhareva, Cand. Sci. (Chem.), Associate Professor, Head of the Basic Department of the Industry of Quality; Leading Researcher, Laboratory of Physical Chemistry of Compositions of Synthetic and Natural Polymers

Scopus Author ID 57191042974

36, Stremyannyi per., Moscow, 115054

4, Kosygina ul., Moscow, 119334

sukhareva.kv@rea.ruhttps://orcid.org/0000-0003-1196-7973МихайловИ. А.MikhailovI. A.

Михайлов Игорь Анатольевич, к.х.н., директор Центра коллективного пользования; лаборатория физико-химии композиций синтетических и природных полимеров

Scopus Author ID 57199507317, ResearcherID M-7163-2016

115054, Москва, Стремянный переулок, д. 36

199334, Москва, ул. Косыгина, д. 4

Igor A. Mikhailov, Cand. Sci. (Chem.), Director of the Joint Research Center; Laboratory of Physical Chemistry of Compositions of Synthetic and Natural Polymers

Scopus Author ID 57199507317, ResearcherID M-7163-2016

36, Stremyannyi per., Moscow, 115054

4, Kosygina ul., Moscow, 119334

mikhaylov.ia@rea.ruhttps://orcid.org/0000-0003-2769-7437ХайдаровБ. Б.KhaidarovB. B.

Хайдаров Бекзод Бахтиёрович, к.т.н., доцент, кафедра функциональных наносистем и высокотемпературных материалов

Scopus Author ID 57223169688

119049, Москва, Ленинский пр-т, д. 4, стр. 1

Bekzod B. Khaidarov, Cand. Sci. (Eng.), Associate Professor; Department of Functional Nanosystems and High-Temperature Materials

Scopus Author ID 57223169688

4, Leninskii pr., Moscow, 119049

b.haydarov@misis.ruhttps://orcid.org/0009-0006-1486-037XБулучевскаяА. Д.BuluchevskayaA. D.

Булучевская Анастасия Дмитриевна, ассистент, базовая кафедра химии инновационных материалов и технологий

115054, Москва, Стремянный переулок, д. 36

Anastasia D. Buluchevskaya, Assistant, Basic Department of Chemistry of Innovative Materials and Technologies

36, Stremyannyi per., Moscow, 115054

buluchevskaya.ad@rea.ruhttps://orcid.org/0000-0003-0776-2465БурмистровИ. Н.BurmistrovI. N.

Бурмистров Игорь Николаевич, д.т.н., ведущий инженер научного проекта, кафедра функциональных наносистем и высокотемпературных материалов

Scopus Author ID 55042347200, ResearcherID A-8212-2014

119049, Москва, Ленинский пр-т, д. 4, стр. 1

Igor N. Burmistrov, Dr. Sci. (Eng.), Leading Engineer of the Scientific Project, Department of Functional Nanosystems and HighTemperature Materials

Scopus Author ID 55042347200, ResearcherID A-8212-2014

4, Leninskii pr., Moscow, 119049

burmistrov.in@misis.ruВысшая инженерная школа «Новые материалы и технологии», РЭУ им. Г.В. Плеханова; Институт биохимической физики им. Н.М. Эмануэля, Российская академия наукРоссияHigher Engineering School “New Materials and Technologies”, Plekhanov Russian University of Economics; N.M. Emanuel Institute of Biochemical Physics, Russian Academy of SciencesRussian FederationНациональный исследовательский технологический университет «МИСиС»РоссияNational University of Science and Technology “MISIS”Russian FederationВысшая инженерная школа «Новые материалы и технологии», РЭУ им. Г.В. ПлехановаРоссияHigher Engineering School “New Materials and Technologies”, Plekhanov Russian University of EconomicsRussian Federation202515012026206612621Copyright © Sukhareva K.V., Mikhailov I.A., Khaidarov B.B., Buluchevskaya A.D., Burmistrov I.N., 20262026Сухарева К.В., Михайлов И.А., Хайдаров Б.Б., Булучевская А.Д., Бурмистров И.Н.Sukhareva K.V., Mikhailov I.A., Khaidarov B.B., Buluchevskaya A.D., Burmistrov I.N.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://www.finechem-mirea.ru/jour/article/view/2338Objectives

Objectives. The aim of this work is to investigate rapid surface treatment methods of nitrile butadiene rubber (NBR) using an elastomer composition based on fluoropolymer FKM-32 and fluoroplastic F32L. The article presents new methods for enhancing the mechanical and wear properties of NBR by applying surface coatings.

Methods

Methods. Abrasion tests were conducted using an MI-2 tribometer; determination of the tensile strength properties of the samples was performed using a DVT GP UG 5 universal testing machine (Devotrans, Turkey). Hardness was ascertained using a Shore A type durometer. Samples were cut out on a pneumatic punching press GT-7016-AR (GOTECH Testing Machines Inc., Istanbul, Turkey). Microstructure and elemental composition studies were carried out using a Vega 3 scanning electron microscope (TESCAN, Brno, Czech Republic) equipped with an X-Act (Oxford Instruments, High Wycombe, United Kingdom) energy-dispersive analysis attachment.

Results

Results. The immersion of NBR in a 10% solution of poly(vinylidene fluoride-co-chlorotrifluoroethylene) (fluoroplast F32L) in 1,1,2-trifluoro-1,2,2-trichloroethane was found to result in the formation of a uniform fluoropolymer-based coating on the rubber surface. This coating results in a decrease in the abrasion value from 0.046 to 0.005 m3/TJ, corresponding to an increase in abrasion resistance. Furthermore, for rubbers coated by immersion in the fluoroplastic solution, the modulus at 100% and 300% strain increases by 86% and 44%, respectively, while the tensile strength increases by 20%, and the hardness increases by 9 units compared to the as-obtained NBR.

Conclusions

Conclusions. Regardless of pre-soaking in methyl ethyl ketone, the wear resistance of the synthetic rubber is not increased by surface treatment with elastomeric composition based on fluororubber FKM-32 grade followed by thermostating. However, surface-modification of NBR using the M3 method demonstrates better tribological performance and mechanical performance than the untreated sample. A complex of enhanced properties of surface-modified NBR-M3 can be effected by the presence of halogen atoms on the surface layer of the rubber sample.

Цели

Цели. Разработать новые методы повышения механических и износостойких свойств бутадиен-нитрильных каучуков (nitrile butadiene rubber, NBR) путем нанесения поверхностных покрытий и исследовать методы быстрой обработки поверхности NBR с использованием эластомерной композиции на основе фторполимера ФКМ-32 и фторопласта F32L.

Методы

Методы. Испытания на истирание проводили с помощью трибометра МИ-2, определение прочностных свойств образцов — с помощью универсальной испытательной машины DVT GP UG 5 (Devotrans, Турция), твердость — с помощью твердомера типа Шор А. Образцы были вырезаны на пневматическом штамповочном прессе GT-7016-AR (GOTECH Testing Machines Inc., Стамбул, Турция). Исследование микроструктуры и элементного состава проводили с помощью сканирующего электронного микроскопа Vega 3 (TESCAN, Брно, Чехия), оснащенного энергодисперсионной аналитической приставкой X-Act (Oxford Instruments, Хай-Вайкомб, Великобритания).

Результаты

Результаты. Установлено, что погружение NBR в 10%-ный раствор поливинилиденфторида-трифторхлорэтилена (фторопласта F32L) в 1,1,2-трифтор-1,2,2-трихлорэтане приводит к образованию на поверхности резины равномерного покрытия на основе фторполимера и вызывает снижение величины абразивного износа (истираемость) с 0.046 до 0.005 м3/ТДж, что соответствует существенному повышению абразивной стойкости NBR. Для каучуков, покрытых погружением во фторопластовый раствор, модуль упругости при 100 и 300%-ных деформациях увеличивается на 86 и 44% соответственно, в то время как прочность на растяжение увеличивается на 20%, а твердость увеличивается на 9 единиц по сравнению с полученным NBR.

Выводы

Выводы. Обработка поверхности NBR эластомерным составом на основе фторкаучука марки ФКМ-32 с последующим термостатированием не позволяет снизить износостойкость резины независимо от предварительного замачивания в метилэтилкетоне. Модифицированный по поверхности NBR (методом М3) показывает лучшие трибологические и механические характеристики, чем необработанный образец. Наличие атомов галогенов на поверхностном слое образца отвечает за комплекс повышенных свойств поверхностно-модифицированного NBR-M3.

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