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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">10.31143/2221-7789-2025-1-45-48</article-id><article-id custom-type="edn" pub-id-type="custom">JJRGKV</article-id><article-id custom-type="elpub" pub-id-type="custom">ikbgu-24</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>Эксплуатационные характеристики и прикладные аспекты полиэтилентерефталата</article-title><trans-title-group xml:lang="en"><trans-title>Performance characteristics and application aspects of polyethylene terephthalate</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>Джульетта Анатольевна</given-names></name><name name-style="western" xml:lang="en"><surname>Beeva</surname><given-names>Juliet A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Заведующий кафедрой биохимии и химической экологии института математики и естественных наук КБГУ, доктор химических наук.</p></bio><bio xml:lang="en"><p>Head of the Department of Biochemistry and Chemical Ecology, Institute of Mathematics and Natural Sciences, KBSU, Doctor of Chemistry.</p></bio><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>Ауес Ахмедович</given-names></name><name name-style="western" xml:lang="en"><surname>Beev</surname><given-names>Aues A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Старший научный сотрудник центра прогрессивных материалов и аддитивных технологий.</p></bio><bio xml:lang="en"><p>Senior Researcher, Center for Progressive Materials and Additive Technologies.</p></bio><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>Борисов</surname><given-names>Валерий Анатольевич</given-names></name><name name-style="western" xml:lang="en"><surname>Borisov</surname><given-names>Valery A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кандидат технических наук.</p></bio><bio xml:lang="en"><p>Candidate of Technical Sciences</p></bio><email xlink:type="simple">d.beeva@mail.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шокумова</surname><given-names>Милана Уматиевна</given-names></name><name name-style="western" xml:lang="en"><surname>Shokumova</surname><given-names>Milana U.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Научный сотрудник центра прогрессивных материалов и аддитивных технологий.</p></bio><bio xml:lang="en"><p>Researcher, Center for Progressive Materials and Additive Technologies</p></bio><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>Кодзокова</surname><given-names>Марина Хабаловна</given-names></name><name name-style="western" xml:lang="en"><surname>Kozokova</surname><given-names>Marina K.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кандидат сельскохозяйственных наук, доцент.</p></bio><bio xml:lang="en"><p>Candidate of Agricultural Sciences, Associate Professor</p></bio><email xlink:type="simple">d.beeva@mail.ru</email><xref ref-type="aff" rid="aff-4"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Кабардино-Балкарский государственный университет им. Х.М. Бербекова.</institution></aff><aff xml:lang="en"><institution>Kabardino-Balkarian State University named after H.M. Berbekova</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Кабардино-Балкарский государственный университет им. Х.М. Бербекова.</institution></aff><aff xml:lang="en"><institution>Science and Innovations of ROSATOM</institution></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Наука и инновации Госкорпорации «Росатом».</institution></aff><aff xml:lang="en"><institution>Science and Innovation of ROSATOM</institution></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>Федеральное государственное бюджетное образовательное учреждение высшего образования «Кабардино-Балкарский государственный аграрный университет имени В.М. Кокова».</institution></aff><aff xml:lang="en"><institution>Kabardino-Balkarian State Agrarian University named after V.M. Kokova</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>15</day><month>12</month><year>2025</year></pub-date><volume>15</volume><issue>1</issue><fpage>45</fpage><lpage>48</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Беева Д.А., Беев А.А., Борисов В.А., Шокумова М.У., Кодзокова М.Х., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Беева Д.А., Беев А.А., Борисов В.А., Шокумова М.У., Кодзокова М.Х.</copyright-holder><copyright-holder xml:lang="en">Beeva J.A., Beev A.A., Borisov V.A., Shokumova M.U., Kozokova M.K.</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/24">https://www.izvestiakbsu.ru/jour/article/view/24</self-uri><abstract><p>В статье приведены сведения об основных эксплуатационным характеристиках и практическом применении полиэтилентерефталата и его переработанных отходов.</p></abstract><trans-abstract xml:lang="en"><p>The article provides information on the main operational characteristics and practical applica- tion of polyethylene terephthalate and its processed waste.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>Полиэтилентерефталат</kwd><kwd>водопоглощение</kwd><kwd>предел прочности при разрыве</kwd><kwd>удар- ная вязкость.</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Polyethylene terephthalate</kwd><kwd>water absorption</kwd><kwd>tensile strength</kwd><kwd>impact strength</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">Тара и упаковка / под ред. 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