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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="other" 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">651995</article-id><article-id pub-id-type="doi">10.31857/S2686953522600350</article-id><article-id pub-id-type="edn">EVVTYW</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></subject></subj-group></article-categories><title-group><article-title xml:lang="en">SYNTHESIS OF ULTRA-HIGH MOLECULAR WEIGHT POLYETHYLENE WITH HIGH MELTING POINT IN OCTAFLUOROBUTANE MEDIUM</article-title><trans-title-group xml:lang="ru"><trans-title>Синтез сверхвысокомолекулярного полиэтилена с повышенной температурой плавления в среде октафторбутана</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Rasputin</surname><given-names>N. A.</given-names></name><name xml:lang="ru"><surname>Распутин</surname><given-names>Н. А.</given-names></name></name-alternatives><email>igor.nikonov.ekb@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Vlasov</surname><given-names>I. A.</given-names></name><name xml:lang="ru"><surname>Власов</surname><given-names>И. А.</given-names></name></name-alternatives><email>igor.nikonov.ekb@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Yakovlev</surname><given-names>S. V.</given-names></name><name xml:lang="ru"><surname>Яковлев</surname><given-names>С. В.</given-names></name></name-alternatives><email>igor.nikonov.ekb@gmail.com</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Artem’ev</surname><given-names>G. A.</given-names></name><name xml:lang="ru"><surname>Артемьев</surname><given-names>Г. А.</given-names></name></name-alternatives><email>igor.nikonov.ekb@gmail.com</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Nikonov</surname><given-names>I. L.</given-names></name><name xml:lang="ru"><surname>Никонов</surname><given-names>И. Л.</given-names></name></name-alternatives><email>igor.nikonov.ekb@gmail.com</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kopchuk</surname><given-names>D. S.</given-names></name><name xml:lang="ru"><surname>Копчук</surname><given-names>Д. С.</given-names></name></name-alternatives><email>igor.nikonov.ekb@gmail.com</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Matern</surname><given-names>A. I.</given-names></name><name xml:lang="ru"><surname>Матерн</surname><given-names>А. И.</given-names></name></name-alternatives><email>igor.nikonov.ekb@gmail.com</email><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Charushin</surname><given-names>V. N.</given-names></name><name xml:lang="ru"><surname>Чарушин</surname><given-names>В. Н.</given-names></name></name-alternatives><email>igor.nikonov.ekb@gmail.com</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Postovsky Institute of Organic Synthesis, Ural Branch, Russian Academy of Sciences</institution></aff><aff><institution xml:lang="ru">Институт органического синтеза 
им. И.Я. Постовского, Уральское отделение 
Российской академии наук</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Yeltsin Ural Federal University</institution></aff><aff><institution xml:lang="ru">Уральский федеральный университет 
им. Б.Н. Ельцина</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2023-01-01" publication-format="electronic"><day>01</day><month>01</month><year>2023</year></pub-date><volume>508</volume><issue>1</issue><fpage>64</fpage><lpage>69</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 ©; 2023, Н.А. Распутин, И.А. Власов, С.В. Яковлев, Г.А. Артемьев, И.Л. Никонов, Д.С. Копчук, А.И. Матерн, В.Н. Чарушин</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2023, Н.А. Распутин, И.А. Власов, С.В. Яковлев, Г.А. Артемьев, И.Л. Никонов, Д.С. Копчук, А.И. Матерн, В.Н. Чарушин</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="en">Н.А. Распутин, И.А. Власов, С.В. Яковлев, Г.А. Артемьев, И.Л. Никонов, Д.С. Копчук, А.И. Матерн, В.Н. Чарушин</copyright-holder><copyright-holder xml:lang="ru">Н.А. Распутин, И.А. Власов, С.В. Яковлев, Г.А. Артемьев, И.Л. Никонов, Д.С. Копчук, А.И. Матерн, В.Н. Чарушин</copyright-holder></permissions><self-uri xlink:href="https://journals.eco-vector.com/2686-9535/article/view/651995">https://journals.eco-vector.com/2686-9535/article/view/651995</self-uri><abstract xml:lang="en"><p id="idm45181324507280">Ultra-high molecular weight polyethylene (UHMWPE) with a high melting point (<italic>T</italic><sub>m</sub>) up to 144°C was successfully obtained by suspension polymerization in 1,4-<italic>H</italic>-octafluorobutane medium initiated by Ziegler–Natta catalysts. This method makes it possible successfully to carry out polymerization at a temperature close to ambient one and an ethylene pressure close to atmospheric one. The resulting polyethylenes were characterized by IR spectroscopy, elemental analysis and derivatographic studies. Values of melting points and degrees of crystallinity of the synthesized polymers were obtained using these data.</p></abstract><trans-abstract xml:lang="ru"><p id="idm45181324506432">Сверхвысокомолекулярный полиэтилен с повышенной температурой плавления (<italic>T</italic><sub>m</sub>) до 144°С успешно получен методом суспензионной полимеризации в среде 1,4-<italic>Н</italic>-октафторбутана, иници- ируемой катализаторами Циглера–Натты. Данный метод позволяет успешно проводить полимеризацию при температуре, близкой к комнатной, и давлении этилена, близком к атмосферному. Полученные полиэтилены были охарактеризованы с помощью ИК-спектроскопии, элементного анализа и дериватографических исследований. С помощью последних были получены данные о температурах плавления и степенях кристалличности синтезированных полимеров.</p></trans-abstract><kwd-group xml:lang="en"><kwd>ultra-high molecular weight polyethylene (UHMWPE)</kwd><kwd>suspension polymerization</kwd><kwd>fluorinated medium</kwd><kwd>1,4<italic>H</italic>-octafluorobutane</kwd><kwd>derivatographic studies</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>сверхвысокомолекулярный полиэтилен</kwd><kwd>суспензионная полимеризация</kwd><kwd>фторированная среда</kwd><kwd>1,4<italic>Н</italic>-октафторбутан</kwd><kwd>дериватографические исследования</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Авторы выражают благодарность Центру коллективного пользования “Спектроскопия и анализ органических соединений” (ЦКП САОС) на базе ИОС УрО РАН за проведение ИК-спектроскопии и элементного анализа полученных в ходе работы полимеров.</funding-statement></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>The UHMWPE handbook: ultra-high molecular weight polyethylene in total joint replacement. 1st ed. 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