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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">ikbgu</journal-id><journal-title-group><journal-title xml:lang="ru">Известия Кабардино-Балкарского государственного университета</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of the Kabardino-Balkarian State University</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2221-7789</issn><publisher><publisher-name>Kabardino-Balkarian State University named after Kh. M. Berbekov</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.31143/2221-7789-2023-2-60-65</article-id><article-id custom-type="edn" pub-id-type="custom">BYLGIA</article-id><article-id custom-type="elpub" pub-id-type="custom">ikbgu-209</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>Химия</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Chemistry</subject></subj-group></article-categories><title-group><article-title>ТВЕРДОФАЗНАЯ ПОЛИКОНДЕНСАЦИЯ ВТОРИЧНОГО ПОЛИЭТИЛЕНТЕРЕФТАЛАТА И РЕОЛОГИЯ ЕГО РАСТВОРОВ</article-title><trans-title-group xml:lang="en"><trans-title>SOLID-PHASE POLYCONDENSATION OF SECONDARY POLYETHYLENE TEREPHTHALATE AND THE RHEOLOGY OF ITS SOLUTIONS</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>Беева</surname><given-names>Д. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Beeva</surname><given-names>D. A.</given-names></name></name-alternatives><email xlink:type="simple">d.beeva@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>Беев</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Beev</surname><given-names>A. A.</given-names></name></name-alternatives><email xlink:type="simple">d.beeva@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>Борисов</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Borisov</surname><given-names>V. A.</given-names></name></name-alternatives><email xlink:type="simple">d.beeva@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Хаширова</surname><given-names>С. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Khashirova</surname><given-names>S. Yu.</given-names></name></name-alternatives><email xlink:type="simple">d.beeva@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>Гучинов</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Guchinov</surname><given-names>V. A.</given-names></name></name-alternatives><email xlink:type="simple">d.beeva@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff xml:lang="ru" id="aff-1"><institution>Кабардино-Балкарский государственный университет им. Х.М. Бербекова</institution><country>Russian Federation</country></aff><aff xml:lang="ru" id="aff-2"><institution>Ведущий НИИ химической технологии Госкорпорации Росатом</institution><country>Russian Federation</country></aff><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>16</day><month>03</month><year>2026</year></pub-date><volume>13</volume><issue>2</issue><fpage>60</fpage><lpage>65</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Беева Д.А., Беев А.А., Борисов В.А., Хаширова С.Ю., Гучинов В.А., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Беева Д.А., Беев А.А., Борисов В.А., Хаширова С.Ю., Гучинов В.А.</copyright-holder><copyright-holder xml:lang="en">Beeva D.A., Beev A.A., Borisov V.A., Khashirova S.Y., Guchinov V.A.</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.izvestiakbsu.ru/jour/article/view/209">https://www.izvestiakbsu.ru/jour/article/view/209</self-uri><abstract><p>Исследованы реакции твердофазной поликонденсации образцов вторичного полиэтилентерефталата различных производителей. Определена динамика изменения реологических свойств растворов вторичного полиэтилентерефталата до и после процесса поликонденсации.</p></abstract><trans-abstract xml:lang="en"><p>The reactions of solid-phase polycondensation of samples of secondary polyethylene terephthalate from various manufacturers have been studied. The dynamics of changes in the rheological properties of solutions of secondary polyethylene terephthalate before and after the polycondensation process has been determined.</p></trans-abstract><kwd-group xml:lang="en"><kwd>secondary polyethylene terephthalate</kwd><kwd>viscosity</kwd><kwd>transesterification</kwd><kwd>solid-state polycondensation.</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">Торопцева А.М. Лабораторный практикум по химии и технологии ВМС. М.: Химия, 1996. 183 с.</mixed-citation><mixed-citation xml:lang="en">Торопцева А.М. Лабораторный практикум по химии и технологии ВМС. М.: Химия, 1996. 183 с.</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Борисов В.А. Некоторые направления рециклинга вторичного полиэтилентерефталата: дисс.</mixed-citation><mixed-citation xml:lang="en">Борисов В.А. Некоторые направления рециклинга вторичного полиэтилентерефталата: дисс.</mixed-citation></citation-alternatives></ref><ref id="cit3"><label>3</label><citation-alternatives><mixed-citation xml:lang="ru">... канд. технич. наук. Нальчик, 2013. 131 с.</mixed-citation><mixed-citation xml:lang="en">... канд. технич. наук. Нальчик, 2013. 131 с.</mixed-citation></citation-alternatives></ref><ref id="cit4"><label>4</label><citation-alternatives><mixed-citation xml:lang="ru">Соколов Л.Б. Основы синтеза полимеров методом поликонденсации. М.: Химия, 1979. 215 с.</mixed-citation><mixed-citation xml:lang="en">Соколов Л.Б. Основы синтеза полимеров методом поликонденсации. М.: Химия, 1979. 215 с.</mixed-citation></citation-alternatives></ref><ref id="cit5"><label>5</label><citation-alternatives><mixed-citation xml:lang="ru">Киреев В.В. Высокомолекулярные соединения. М.: Высшая школа, 1992. 512 с.</mixed-citation><mixed-citation xml:lang="en">Киреев В.В. Высокомолекулярные соединения. М.: Высшая школа, 1992. 512 с.</mixed-citation></citation-alternatives></ref><ref id="cit6"><label>6</label><citation-alternatives><mixed-citation xml:lang="ru">Геллер В.Э., Баранова С.А., Жесткова Л.И., Айзенштейн Э.М., Шаблыгин М.В. Влияние скорости формования на структурообразование при вытягивании полиэфирных нитей // Химические во- локна. 1978. № 2. С. 21–24.</mixed-citation><mixed-citation xml:lang="en">Геллер В.Э., Баранова С.А., Жесткова Л.И., Айзенштейн Э.М., Шаблыгин М.В. Влияние скорости формования на структурообразование при вытягивании полиэфирных нитей // Химические во- локна. 1978. № 2. С. 21–24.</mixed-citation></citation-alternatives></ref><ref id="cit7"><label>7</label><citation-alternatives><mixed-citation xml:lang="ru">https://ru.wikipedia.org/wiki/Уравнение Марка_—_Куна_—_Хаувинка.</mixed-citation><mixed-citation xml:lang="en">https://ru.wikipedia.org/wiki/Уравнение Марка_—_Куна_—_Хаувинка.</mixed-citation></citation-alternatives></ref></ref-list><fn-group><fn fn-type="conflict"><p>The authors declare that there are no conflicts of interest present.</p></fn></fn-group></back></article>
