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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">10.35164/0554-2901-2022-7-8-20-22</article-id><article-id custom-type="elpub" pub-id-type="custom">plasticnews-767</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>СТРУКТУРА И СВОЙСТВА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>STRUCTURE AND PROPERTIES</subject></subj-group></article-categories><title-group><article-title>Биодеградируемый композиционный материал на основе привитого сополимера крахмала с винилацетатом</article-title><trans-title-group xml:lang="en"><trans-title>Biodegradable composite material based on the starch-g-vinyl acetate copolymer</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>Монина</surname><given-names>А. П.</given-names></name><name name-style="western" xml:lang="en"><surname>MONINA</surname><given-names>A. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Нижний Новгород</p></bio><bio xml:lang="en"><p>Nizhny Novgorod</p></bio><email xlink:type="simple">mon.alina99@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>Апрятина</surname><given-names>К. В.</given-names></name><name name-style="western" xml:lang="en"><surname>APRYATINA</surname><given-names>K. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Нижний Новгород</p></bio><bio xml:lang="en"><p>Nizhny Novgorod</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>Смирнова</surname><given-names>О. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>SMIRNOVA</surname><given-names>O. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Нижний Новгород</p></bio><bio xml:lang="en"><p>Nizhny Novgorod</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>Смирнова</surname><given-names>Л. А.</given-names></name><name name-style="western" xml:lang="en"><surname>SMIRNOVA</surname><given-names>L. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Нижний Новгород</p></bio><bio xml:lang="en"><p>Nizhny Novgorod</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Федеральное государственное автономное образовательное учреждение высшего образования «Национальный исследовательский Нижегородский государственный университет им. Н.И. Лобачевского»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>National Research Lobachevsky State University of Nizhny Novgorod</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>26</day><month>10</month><year>2022</year></pub-date><volume>0</volume><issue>7-8</issue><fpage>20</fpage><lpage>22</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Монина А.П., Апрятина К.В., Смирнова О.Н., Смирнова Л.А., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Монина А.П., Апрятина К.В., Смирнова О.Н., Смирнова Л.А.</copyright-holder><copyright-holder xml:lang="en">MONINA A.P., APRYATINA K.V., SMIRNOVA O.N., SMIRNOVA L.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.plastics-news.ru/jour/article/view/767">https://www.plastics-news.ru/jour/article/view/767</self-uri><abstract><p>Нативный картофельный крахмал был модифицирован путём привитой полимеризации винилацетата в щелочной среде с рН 10 в режиме изменения температуры от 70 до 80°C в течение 4 часов. Инициатором процесса выступил персульфат аммония (NH4)2S2O8. Глубина превращения винилацетата составила 91,5%. Химическая структура привитого сополимера (Крахмал:Винилацетат) была подтверждена методом ИК-спектроскопии. На основе модифицированного крахмала и триэтилцитрата были получены композиционные материалы с величиной разрывного напряжения 24 МПа. В условиях природной среды материалы претерпевают биологическое разложение на 96% за 28 дней.</p></abstract><trans-abstract xml:lang="en"><p>A native potato starch was modififi ed with vinyl acetate by graft polymerization in alkaline medium with pH 10 in the mode of temperature change from 70 to 80°C for 4 hours. The initiator of the process was ammonium persulfate (NH4)2S2O8. The conversion of vinyl acetate was 91,5%. The chemical structure of graft copolymer (Starch:Vinyl acetate) was confifi rmed by IR-spectroscopy. Composite materials of modififi ed starch and triethyl citrate with tensile strength of 24 MPa were obtained. Under natural environmental conditions, materials undergo biodegradation of 96% in 28 days.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>полисахариды</kwd><kwd>крахмал</kwd><kwd>модифицированный крахмал</kwd><kwd>привитая полимеризация</kwd><kwd>упаковочный материал</kwd><kwd>биоразлагаемая упаковка</kwd></kwd-group><kwd-group xml:lang="en"><kwd>polysaccharides</kwd><kwd>starch</kwd><kwd>modified starch</kwd><kwd>grafted polymerization</kwd><kwd>packaging material</kwd><kwd>biodegradable packaging</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">Haider Tobias P., Völker C., Kramm J., Landfester K., Wurm F. R. // Angewandte Chemie. – 2018. – Vol. 58. – №1. – P. 50–62.</mixed-citation><mixed-citation xml:lang="en">Haider Tobias P., Völker C., Kramm J., Landfester K., Wurm F. 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