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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Doklady Chemistry</journal-id><journal-title-group><journal-title xml:lang="en">Doklady Chemistry</journal-title><trans-title-group xml:lang="ru"><trans-title>Доклады Российской академии наук. Химия, науки о материалах</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2686-9535</issn><issn publication-format="electronic">3034-5111</issn><publisher><publisher-name xml:lang="en">The Russian Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">651921</article-id><article-id pub-id-type="doi">10.31857/S2686953524010061</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>CHEMICAL TECHNOLOGY</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>ХИМИЧЕСКАЯ ТЕХНОЛОГИЯ</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Antifrictional composites based on a two-component modified phenol-formaldehyde binder</article-title><trans-title-group xml:lang="ru"><trans-title>Антифрикционные композиты на основе двухкомпонентного модифицированного фенолформальдегидного связующего</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Panova</surname><given-names>M. O.</given-names></name><name xml:lang="ru"><surname>Панова</surname><given-names>М. О.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>maxi4@list.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Buyaev</surname><given-names>D. I.</given-names></name><name xml:lang="ru"><surname>Буяев</surname><given-names>Д. И.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>maxi4@list.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Shaposhnikova</surname><given-names>V. V.</given-names></name><name xml:lang="ru"><surname>Шапошникова</surname><given-names>В. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><email>maxi4@list.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Nesmeyanov Institute of Organoelement Compounds of Russian Academy of Sciences (INEOS RAS)</institution></aff><aff><institution xml:lang="ru">Институт элементоорганических соединений им. А.Н. Несмеянова Российской академии наук</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2024-04-05" publication-format="electronic"><day>05</day><month>04</month><year>2024</year></pub-date><volume>514</volume><issue>1</issue><fpage>59</fpage><lpage>64</lpage><history><date date-type="received" iso-8601-date="2025-02-02"><day>02</day><month>02</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2024, Russian Academy of Sciences</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2024, Российская академия наук</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="en">Russian Academy of Sciences</copyright-holder><copyright-holder xml:lang="ru">Российская академия наук</copyright-holder></permissions><self-uri xlink:href="https://journals.eco-vector.com/2686-9535/article/view/651921">https://journals.eco-vector.com/2686-9535/article/view/651921</self-uri><abstract xml:lang="en"><p>In this paper, new polymer composite materials (PCM) based on a mixture of the resole type phenol-formaldehyde and phthalide-containing phenol-formaldehyde binders, reinforced with polyoxadiazole fiber, were obtained, and their tribological properties were studied. The influence of the content of phthalide-containing phenol-formaldehyde polymer in a two-component mixture of binders on the hardness of the surface layer, tribological and thermofrictional properties of PCM in various units of dry friction on steel has been studied. It is shown that the resulting PCM are superior to PCM based on phenol-formaldehyde or phthalide-containing phenol-formaldehyde binders of the resole type in terms of tribological and thermal friction properties.</p></abstract><trans-abstract xml:lang="ru"><p>Получены новые полимерные композиционные материалы (<bold>ПКМ</bold>) на основе смеси фенолформальдегидного и фталидсодержащего фенолформальдегидного связующих резольного типа, армированных полиоксадиазольным волокном, и исследованы их трибологические свойства. Изучено влияние содержания фталидсодержащего фенолформальдегидного полимера в двухкомпонентной смеси связующих на твердость поверхностного слоя, трибологические и термофрикционные свойства ПКМ в различных узлах сухого трения по стали. Показано, что полученные ПКМ по трибологическим и термофрикционным свойствам превосходят ПКМ на основе фенолформальдегидного или фталидсодержащего фенолформальдегидного связующих резольного типа.</p></trans-abstract><kwd-group xml:lang="en"><kwd>phthalide-containing phenol-formaldehyde binder</kwd><kwd>polyoxadiazole fiber</kwd><kwd>polymer composite materials</kwd><kwd>tribological properties</kwd><kwd>coefficient of friction</kwd><kwd>wear</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>фталидсодержащее фенолформальдегидное связующее</kwd><kwd>полиоксадиазольное волокно</kwd><kwd>полимерные композиционные материалы</kwd><kwd>трибологические свойства</kwd><kwd>коэффициент трения</kwd><kwd>износ</kwd></kwd-group><funding-group><award-group><funding-source><institution-wrap><institution xml:lang="ru">Министерство науки и высшего образования Российской Федерации</institution></institution-wrap><institution-wrap><institution xml:lang="en">Ministry of Science and Higher Education of the Russian Federation</institution></institution-wrap></funding-source><award-id>075-00697-22-00</award-id></award-group></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Ren Y., Zhang L., Xie G., Li Z., Chen H., Gong H., Xu W., Guo D., Luo J. // Friction. 2021. 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