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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">10.35164/0554-2901-2021-11-12-3-6</article-id><article-id custom-type="elpub" pub-id-type="custom">plasticnews-687</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>НИИПМ</subject></subj-group></article-categories><title-group><article-title>Молекулярно-массовые характеристики полиэфирэфиркетона (ПЭЭК): анализ условий определения</article-title><trans-title-group xml:lang="en"><trans-title>Molecular weight characteristics of polyetheretherketone (PEEK): analysis of determination conditions</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>Гуреньков</surname><given-names>В. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Gurenkov</surname><given-names>V. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><email xlink:type="simple">tnprudskova@instplast.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>Молоткова</surname><given-names>Н. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Molotkova</surname><given-names>N. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шелонина</surname><given-names>И. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Shelonina</surname><given-names>I. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Петрова</surname><given-names>М. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Petrova</surname><given-names>M. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Горшкова</surname><given-names>М. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Gorshkova</surname><given-names>M. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Прудскова</surname><given-names>Т. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Prudskova</surname><given-names>T. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Акционерное общество «Институт пластмасс имени Г.С. Петрова» (АО «Институт пластмасс»)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Joint-Stock Company "Institute of Plastics named after G.S. Petrov"</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>20</day><month>01</month><year>2022</year></pub-date><volume>1</volume><issue>11-12</issue><fpage>3</fpage><lpage>6</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Гуреньков В.М., Молоткова Н.Н., Шелонина И.М., Петрова М.А., Горшкова М.Ю., Прудскова Т.Н., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Гуреньков В.М., Молоткова Н.Н., Шелонина И.М., Петрова М.А., Горшкова М.Ю., Прудскова Т.Н.</copyright-holder><copyright-holder xml:lang="en">Gurenkov V.M., Molotkova N.N., Shelonina I.M., Petrova M.A., Gorshkova M.Y., Prudskova T.N.</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/687">https://www.plastics-news.ru/jour/article/view/687</self-uri><abstract><p>Полиэфирэфиркетон (ПЭЭК), обладающий высокой стойкостью к действию агрессивных сред, излучениям различной природы, находит широкое применение в различных отраслях промышленности. Вместе с этим информация о молекулярно-массовых характеристиках ПЭЭК, необходимая для создания на его основе полимерных материалов с заданными свойствами, крайне ограничена. Определение этих характеристик затруднено практически полной нерастворимостью ПЭЭК в органических растворителях. Работа посвящена анализу возможности применения методов вискозиметрии, определения индекса текучести расплава и гель-проникающей хроматографии для оценки молекулярно-массовых характеристик ПЭЭК. В качестве альтернативного подхода рассмотрено проведение предварительной модификации полимера для перевода его в растворимое состояние. Предложены условия анализа сульфированного ПЭЭК методом гель-проникающей хроматографии; определены значения молекулярных масс для образцов производства АО «Институт пластмасс» и коммерческого образца Victrex 150G. Хорошее совпадение данных ГПХ с результатами определения показателя текучести расплава полимера позволяет рассматривать последний в качестве экспресс-метода оценки ММХ полимера.</p></abstract><trans-abstract xml:lang="en"><p>Polyetheretherketone (PEEK), which is highly resistant to aggressive media and various types of radiation, is widely used in various industries. At the same time, the information on the molecular weight characteristics of PEEK, which is necessary for the creation of polymer materials with specifi ed properties, is quite limited. Determination of these characteristics is complicated by the almost complete insolubility of PEEK in organic solvents. The work is devoted to the analysis of the applicability of viscometry, determination of the melt fl ow index and gel permeation chromatography (GPC) for assessing the molecular weight characteristics of PEEK. The preliminary modifi cation of the polymer to transform it into a soluble state has been considered as an alternative approach. A GPC-method of the determination of molecular mass of sulfonated PEEK has been developed. The values of average molecular weights for samples produced by Petrov Institute of Plastics and a commercial sample Victrex 150G were determined. Good agreement of the GPC data with the results of determining the melt fl ow index of the polymer makes it possible to consider the latter as an express method for assessing the molecular weight of a polymer.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>полиэфирэфиркетон</kwd><kwd>молекулярно-массовые характеристики</kwd><kwd>полиэлектролиты</kwd><kwd>ИК-Фурье спектроскопия</kwd><kwd>гель-проникающая хроматография</kwd><kwd>вискозиметрия</kwd><kwd>показатель текучести расплава</kwd></kwd-group><kwd-group xml:lang="en"><kwd>polyetheretherketone</kwd><kwd>sulfonated PEEK</kwd><kwd>molecular mass determination</kwd><kwd>size exclusion chromatography</kwd><kwd>viscometry</kwd><kwd>FTIR</kwd><kwd>melt fl ow index</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">J. Devaux, D. Delimoy, D. Daoust, R. Legras, J.P. Mercier, C. Strazielle, E. 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