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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">kaz44</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник Университета Шакарима. Серия технические науки</journal-title><trans-title-group xml:lang="en"><trans-title>Bulletin of Shakarim University. Technical Sciences</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2788-7995</issn><issn pub-type="epub">3006-0524</issn><publisher><publisher-name>«Шәкәрім университеті» КеАҚ</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.53360/2788-7995-2026-1(21)-71</article-id><article-id custom-type="elpub" pub-id-type="custom">kaz44-2174</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>ХИМИЧЕСКАЯ ТЕХНОЛОГИЯ (ОРИГИНАЛЬНАЯ СТАТЬЯ)</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CHEMICAL TECHNOLOGY (ORIGINAL ARTICLE)</subject></subj-group></article-categories><title-group><article-title>ПОЛУЧЕНИЕ И ИССЛЕДОВАНИЕ БИОРАЗЛАГАЕМОЙ ПОЛИМЕРНОЙ КОМПОЗИЦИИ НА ОСНОВЕ ТЕРМОПЛАСТИЧНОГО КРАХМАЛА, АРМИРОВАННОГО МИКРОКРИСТАЛЛИЧЕСКОЙ ЦЕЛЛЮЛОЗОЙ МОДИФИЦИРОВАННОЙ СТЕАРИНОВОЙ КИСЛОТОЙ</article-title><trans-title-group xml:lang="en"><trans-title>PREPARATION AND ANALYSIS OF A BIODEGRADABLE POLYMER COMPOSITION BASED ON THERMOPLASTIC STARCH REINFORCED WITH STEARIC ACID-MODIFIED MICROCRYSTALLINE CELLULOSE</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7078-8938</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Сагатова</surname><given-names>С. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Sagatova</surname><given-names>S. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Самира Нурболқызы Сагатова – PhD студент и преподаватель </p><p>050013, Алматы, ул. Сатпаева, 22</p></bio><bio xml:lang="en"><p>Samira Nurbokyzy Sagatova – PhD student and teacher </p><p>050013, Almaty, Satbayeva Street, 22</p></bio><email xlink:type="simple">samira.sagatova9@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-8028-2244</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Рафикова</surname><given-names>Х. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Rafikova</surname><given-names>Kh. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Хадичахан Сабыржановна Рафикова – PhD, профессор </p><p>050013, Алматы, ул. Сатпаева, 22</p></bio><bio xml:lang="en"><p>Khadichakhan Sabirzhanovna Rafikova – PhD, professor </p><p>050013, Almaty, Satbayeva Street, 22</p></bio><email xlink:type="simple">kh.rafikova@satbayev.university</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Казахский национальный исследовательский технический университет имени К.И. Сатпаева</institution><country>Казахстан</country></aff><aff xml:lang="en"><institution>Kazakh National Research Technical University named after K.I. Satbayev</institution><country>Kazakhstan</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2026</year></pub-date><pub-date pub-type="epub"><day>25</day><month>05</month><year>2026</year></pub-date><volume>1</volume><issue>1(21)</issue><fpage>655</fpage><lpage>664</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Сагатова С.Н., Рафикова Х.С., 2026</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="ru">Сагатова С.Н., Рафикова Х.С.</copyright-holder><copyright-holder xml:lang="en">Sagatova S.N., Rafikova K.S.</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://tech.vestnik.shakarim.kz/jour/article/view/2174">https://tech.vestnik.shakarim.kz/jour/article/view/2174</self-uri><abstract><p>Загрязнение окружающей среды пластиковыми отходами является глобальной экологической проблемой. Поэтому переход на экологически чистые, биоразлагаемые полимерные материалы является актуальной задачей для всего человечества. Термопластичный крахмал, благодаря своей доступности, биоразлагаемости и эластичности, является одной из наиболее перспективных альтернатив синтетическим полимерам. Однако его низкая прочность и слабые барьерные свойства ограничивают возможности применения в производстве упаковочных изделий. Для устранения этих недостатков, термопластичный крахмал был армирован микрокристаллической целлюлозой – жестким и возобновляемым биополимером, модифицированным стеариновой кислотой для повышения гидрофобности и барьерных характеристик. Композит ТПК/M-MКЦ был получен методом смешивания расплава и исследован с помощью испытаний на растяжение, определения водопоглощения, оценки биоразлагаемости и динамического механического анализа (DMA). Инфракрасная спектроскопия с преобразованием Фурье (FTIR) подтвердила успешную модификацию поверхности целлюлозы. По сравнению с чистым ТПК, полученный композит показал значительно высокую механическую прочность, сниженное водопоглощение и сохраненную способность к биологическому разложению. Эти результаты свидетельствуют о том, что ТПК, армированный модифицированной целлюлозой, является перспективной экологически чистой альтернативой традиционным синтетическим полимерам для производства упаковочных материалов.</p></abstract><trans-abstract xml:lang="en"><p>Plastic waste pollution is a global environmental problem. Therefore, the transition to environmentally friendly, biodegradable polymer materials is an urgent challenge for humanity. Thermoplastic starch is one of the most promising alternatives to synthetic polymers due to its availability, biodegradability, and elasticity. However, its limited mechanical strength and poor barrier properties restrict its application in packaging. To address these limitations, cellulose – a rigid and renewable biopolymer – was used as a reinforcing agent and modified with stearic acid to improve hydrophobicity and barrier performance. A TPS/MMCC composite was prepared via melt mixing and analyzed using tensile testing, water absorption, biodegradability, and dynamic mechanical analysis (DMA). Fourier-transform infrared (FTIR) spectroscopy confirmed the successful surface modification of cellulose. Compared with neat TPS, the composite demonstrated significantly enhanced mechanical strength, reduced water absorption and retained biodegradability. These findings suggest that TPS reinforced with stearic acid-modified cellulose is a promising environmentally friendly alternative to conventional synthetic polymers for packaging applications.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>термопластичный крахмал</kwd><kwd>целлюлоза</kwd><kwd>стеариновая кислота</kwd><kwd>полимерная композиция</kwd><kwd>упаковочные материалы</kwd></kwd-group><kwd-group xml:lang="en"><kwd>thermoplastic starch</kwd><kwd>cellulose</kwd><kwd>stearic acid</kwd><kwd>polymer composite</kwd><kwd>packaging materials</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">Starch-based biodegradable materials: Challenges and opportunities / T. 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