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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">dan</journal-id><journal-title-group><journal-title xml:lang="ru">Доклады Национальной академии наук Беларуси</journal-title><trans-title-group xml:lang="en"><trans-title>Doklady of the National Academy of Sciences of Belarus</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1561-8323</issn><issn pub-type="epub">2524-2431</issn><publisher><publisher-name>The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.29235/1561-8323-2025-69-6-513-520</article-id><article-id custom-type="elpub" pub-id-type="custom">dan-1287</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>ТЕХНИЧЕСКИЕ НАУКИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>TECHNICAL SCIENCES</subject></subj-group></article-categories><title-group><article-title>Роль компатибилизирующего агента в формировании структуры, огнезащитных и механических свойств полиэтилена высокой плотности</article-title><trans-title-group xml:lang="en"><trans-title>The role of compatibilizing agent in the formation of structure, fire-retardant and mechanical properties of high-density polyethylene</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1182-6938</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кривогуз</surname><given-names>Ю. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Krivoguz</surname><given-names>Yu. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кривогуз Юрий Михайлович – д-р техн. наук, доцент, заведующий отделом</p><p>ул. Кирова, 32а, 246050, Гомель </p></bio><bio xml:lang="en"><p>Krivoguz Yuri M. – D. Sc. (Engineering), Associate Professor, Head of the Department</p><p>32a, Kirov Str., 246050, Gomel </p></bio><email xlink:type="simple">yurikriv@tut.by</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт механики металлополимерных систем имени В. А. Белого Национальной академии наук Беларуси</institution></aff><aff xml:lang="en"><institution>V. A. Belyi Metal-Polymer Research Institute of the National Academy of Sciences of Belarus</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>05</day><month>01</month><year>2026</year></pub-date><volume>69</volume><issue>6</issue><fpage>513</fpage><lpage>520</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Кривогуз Ю.М., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Кривогуз Ю.М.</copyright-holder><copyright-holder xml:lang="en">Krivoguz Y.M.</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://doklady.belnauka.by/jour/article/view/1287">https://doklady.belnauka.by/jour/article/view/1287</self-uri><abstract><p>Настоящая работа посвящена исследованию влияния компатибилизирующего агента на основе функционализированного полиэтилена марки ПФ-1, разработанного и выпускаемого в ИММС НАН Беларуси, на формирование структуры, огнезащитные свойства и механические характеристики полиэтилена высокой плотности (ПЭВП), содержащего азотфосфорсодержащий антипирен (АФА). С помощью ИК-спектроскопии установлено образование межфазных взаимодействий между ПФ-1 и АФА, что обусловливает повышение совместимости компонентов в матрице ПЭВП. Анализ микрофотографий, полученных методом сканирующей электронной микроскопии (CЭМ), показал, что введение ПФ-1 в композит ПЭВП/АФА приводит к существенной модификации морфологии, характеризующейся уменьшением среднего размера частиц диспергированного АФА и улучшением адгезии между частицами АФА и полимерной матрицей. Дифференциальная сканирующая калориметрия выявила снижение энтальпий плавления и кристаллизации композита ПЭВП/ПФ-1/АФА, что свидетельствует об усилении межфазного взаимодействия компонентов. Показано, что антипирированная ПЭВП композиция, содержащая АФА совместно с ПФ-1, обладает пониженной скоростью горения, что связано с более равномерным распределением антипирена в полимерной матрице. Результаты механических испытаний указывают на увеличение модуля упругости при растяжении и предела текучести для композита ПЭВП/АФА при добавлении компатибилизатора ПФ-1.</p></abstract><trans-abstract xml:lang="en"><p>The present work is devoted to the study of the influence of a compatibilizing agent based on functionalized polyethylene grade PF-1, developed and produced at the MPRI of NAS of Belarus, on the formation of the structure, fireretardant properties and mechanical characteristics of high-density polyethylene (HDPE) containing a nitrogen-phosphorus flame retardant (NPFR). Using IR spectroscopy, the formation of interfacial interactions between PF-1 and NPFR was established, which causes an increase in the compatibility of components in the HDPE matrix. Analysis of micrographs obtained by scanning electron microscopy (SEM) showed that the introduction of PF-1 into the HDPE/NPFR composite leads to a significant modification of the morphology, characterized by a decrease in the average particle size of the dispersed NPFR and an improvement in the adhesion between the NPFR particles and the polymer matrix. Differential scanning calorimetry revealed a decrease in the enthalpies of melting and crystallization of the HDPE/PF-1/NPFR composite, indicating an increase in the interfacial interaction of the components. It was shown that the flame-retardant HDPE composition containing NPFR together with PF-1 has a reduced combustion rate, which is due to a more uniform distribution of the flame retardant in the polymer matrix. The results of the mechanical tests indicate an increase in the tensile modulus and yield strength for the HDPE/NPFR composite with the addition of the PF-1 compatibilizer.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>полиэтилен высокой плотности</kwd><kwd>азотфосфорсодержащий антипирен</kwd><kwd>компатибилизатор</kwd><kwd>совместимость</kwd><kwd>огнестойкость</kwd></kwd-group><kwd-group xml:lang="en"><kwd>high density polyethylene</kwd><kwd>nitrogen-phosphorus-containing flame retardant</kwd><kwd>compatibilizer</kwd><kwd>compatibility</kwd><kwd>fire resistance</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена при финансовой поддержке Белорусского республиканского фонда фундаментальных исследований (грант № Т25В-005).</funding-statement><funding-statement xml:lang="en">The work was carried out with the financial support of the Belarusian Republican Foundation for Fundamental Research (grant No. T25B-005).</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Асеева, P. 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