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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">10.35164/0554-2901-2021-3-4-50-52</article-id><article-id custom-type="elpub" pub-id-type="custom">plasticnews-628</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>ПЕРЕРАБОТКА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>RECYCLING</subject></subj-group></article-categories><title-group><article-title>Исследование гликолиза полиэтилентерефталата смесью бис(2-гидроксиэтил) терефталата и его олигомеров</article-title><trans-title-group xml:lang="en"><trans-title>Study of polyethylene terephthalate glycolysis with a mixture of bis(2-hydroxyethyl) terephthalate and its oligomers</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>Киршанов</surname><given-names>К. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kirshanov</surname><given-names>K. A.</given-names></name></name-alternatives><bio xml:lang="en"><p>Moscow</p></bio><email xlink:type="simple">kirill_kirshanov@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>Томс</surname><given-names>Р. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Toms</surname><given-names>R. V.</given-names></name></name-alternatives><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>МИРЭА - Российский Технологический Университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>MIREA - Russian Technological University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>17</day><month>05</month><year>2021</year></pub-date><volume>0</volume><issue>3-4</issue><fpage>50</fpage><lpage>52</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Киршанов К.А., Томс Р.В., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Киршанов К.А., Томс Р.В.</copyright-holder><copyright-holder xml:lang="en">Kirshanov K.A., Toms R.V.</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/628">https://www.plastics-news.ru/jour/article/view/628</self-uri><abstract><p>В работе исследован гликолиз вторичного полиэтилентерефталата при одновременном растворении и разложении смесью бис(2-гидроксиэтил) терефталата и его олигомеров. Показана высокая эффективность процесса. Для агента гликолиза, содержащего 75% масс. бис(2-гидроксиэтил) терефталата и 25% масс. димера и олигомеров, оптимальным является мольное отношение звеньев агента гликолиза к звеньям полиэтилентерефталата 5:1. Процесс может быть взят за основу производительной и экономически выгодной технологии химической деструкции вторичного полиэтилентерефталата. Предложена формула расчета конверсии по бис(2-гидроксиэтил) терефталату с учётом присутствия в нём олигомеров.</p></abstract><trans-abstract xml:lang="en"><p>In this work, glycolysis of post-consumer polyethylene terephthalate with simultaneous dissolution and decomposition with a mixture of bis(2-hydroxyethyl) terephthalate and its oligomers is studied. High eﬃciency of this process was shown. For the glycolysis agent containing 75 wt% bis(2-hydroxyethyl) terephthalate and 25 wt% dimer and oligomers, the optimal molar ratio of the glycolysis agent units to the polyethylene terephthalate units is 5:1. On the basis of the process, a productive and cost-eﬀective technology can be developed for the chemical destruction of post-consumer polyethylene terephthalate. A formula for calculating the bis(2-hydroxyethyl) terephthalate conversion taking into account the presence of oligomers in it is proposed.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>полиэтилентерефталат</kwd><kwd>ПЭТ</kwd><kwd>ПЭТФ</kwd><kwd>гликолиз</kwd><kwd>утилизация отходов</kwd><kwd>сложные олигоэфиры</kwd><kwd>реакционноспособные олигомеры</kwd></kwd-group><kwd-group xml:lang="en"><kwd>polyethylene terephthalate</kwd><kwd>PET</kwd><kwd>glycolysis</kwd><kwd>recycling</kwd><kwd>oligoesters</kwd><kwd>reactive oligomers</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">Киршанов К.А. Получение сложных олигоэфиров направленной гликолитической деструкцией отходов полиэтилентерефталата / К.А. Киршанов, А.Ю. Гервальд, Р.В. Томс // Пластические массы. – 2020. – № 11-12. – С. 51-53.</mixed-citation><mixed-citation xml:lang="en">Киршанов К.А. 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