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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">plasticnews</journal-id><journal-title-group><journal-title xml:lang="ru">Пластические массы</journal-title><trans-title-group xml:lang="en"><trans-title>Plasticheskie massy</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0554-2901</issn><publisher><publisher-name>PLASTMASSY Publishing House (Moscow)</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.35164/0554-2901-2025-01-30-33</article-id><article-id custom-type="elpub" pub-id-type="custom">plasticnews-1085</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>СИНТЕЗ И ТЕХНОЛОГИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>SYNTHESIS AND TECHNOLOGY</subject></subj-group></article-categories><title-group><article-title>Синтез и свойства полиимидов на основе 4,4'-диаминотриарилметанов  и пиромеллитового диангидрида</article-title><trans-title-group xml:lang="en"><trans-title>Synthesis and properties of polyimides based on 4,4'-diaminotriarylmethanes  and pyromellite dianhydride</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>Борукаев</surname><given-names>Т. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Borukaev</surname><given-names>T. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Нальчик.</p></bio><bio xml:lang="en"><p>Nalchik.</p></bio><email xlink:type="simple">boruk-chemical@mail.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>Саламов</surname><given-names>А. Х.</given-names></name><name name-style="western" xml:lang="en"><surname>Salamov</surname><given-names>A. Kh.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Магас.</p></bio><bio xml:lang="en"><p>Magas</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бесланеева</surname><given-names>З. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Beslaneeva</surname><given-names>Z. L.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Нальчик.</p></bio><bio xml:lang="en"><p>Nalchik.</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Кабардино-Балкарский государственный университет им. Х. М. Бербекова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Kh. M. Berbekov Kabardino-Balkar State University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Ингушский государственный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Ingush State University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>13</day><month>03</month><year>2025</year></pub-date><volume>0</volume><issue>1</issue><fpage>30</fpage><lpage>33</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Борукаев Т.А., Саламов А.Х., Бесланеева З.Л., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Борукаев Т.А., Саламов А.Х., Бесланеева З.Л.</copyright-holder><copyright-holder xml:lang="en">Borukaev T.A., Salamov A.K., Beslaneeva Z.L.</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://www.plastics-news.ru/jour/article/view/1085">https://www.plastics-news.ru/jour/article/view/1085</self-uri><abstract><p>Синтезированы полиимиды на основе 4,4′-диаминотриарилметанов и пиромеллитового диангидрида. Изучены их растворимость, термические и механические свойства. Показано, что растворимость полиимидов связана со свободным внутренним вращением триарилметанового фрагмента вокруг центрального атома углерода метановой группы и с эффектом объемного бокового фенильного заместителя в исходном диамине. Установлено, что термические и механические свойства полиимидов зависят от строения исходного диамина.</p></abstract><trans-abstract xml:lang="en"><p>Polyimides based on 4,4’-diaminotriarylmethanes and pyromellitic dianhydride have been synthesized. Their solubility, thermal and mechanical properties have been studied. It is shown that the solubility of polyimides is associated with the free internal rotation of the triarylmethane fragment around the central carbon atom of the methane group and with the eff ect of the bulky side phenyl substituent in the initial diamine. It has been established that the thermal and mechanical properties of polyimides depend on the structure of the initial diamine. </p></trans-abstract><kwd-group xml:lang="ru"><kwd>полиимиды</kwd><kwd>4</kwd><kwd>4′-диаминотриарилметаны</kwd><kwd>пиромеллитовый диангидрид</kwd><kwd>синтез</kwd><kwd>свойства</kwd></kwd-group><kwd-group xml:lang="en"><kwd>polyimides</kwd><kwd>4</kwd><kwd>4′-diaminotriarylmethanes</kwd><kwd>pyromellitic dianhydride</kwd><kwd>synthesis</kwd><kwd>properties</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">Светличный В.М., Кудрявцев В.В. Полиимиды и проблема создания современных конструкционных материалов // Высокомолек. соед. 2003. Серия Б. Т 45, №6. С. 984–1036.</mixed-citation><mixed-citation xml:lang="en">Светличный В.М., Кудрявцев В.В. Полиимиды и проблема создания современных конструкционных материалов // Высокомолек. соед. 2003. Серия Б. 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