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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">hfb</journal-id><journal-title-group><journal-title xml:lang="ru">Health, Food &amp; Biotechnology</journal-title><trans-title-group xml:lang="en"><trans-title>Health, Food &amp; Biotechnology</trans-title></trans-title-group></journal-title-group><issn pub-type="epub">2712-7648</issn><publisher><publisher-name>РОСБИОТЕХ</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.36107/hfb.2019.i3.s251</article-id><article-id custom-type="elpub" pub-id-type="custom">hfb-25</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>ПИТАНИЕ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>FOOD</subject></subj-group></article-categories><title-group><article-title>Модификация полимерных смесей с сополимерами для получения полимерных композиций с улучшенными деформационно-прочностными характеристиками</article-title><trans-title-group xml:lang="en"><trans-title>Modification of Polymer Mixtures with Copolymers to Obtain Polymer Compositions with Improved Deformation and Strength Characteristics</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>Тверитникова</surname><given-names>И. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Tveritnikova</surname><given-names>I. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Тверитникова Изабелла Сергеевна</p><p>125080, Москва, Волоколамское шоссе, дом 11 </p></bio><bio xml:lang="en"><p>Izabella S. Tveritnikova</p><p>11 Volokolamskoe highway, Moscow, 125080 </p></bio><email xlink:type="simple">iza-1995@bk.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>Банникова</surname><given-names>О. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Bannikova</surname><given-names>O. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Банникова Ольга Анатольевна</p><p>125080, Москва, Волоколамское шоссе, дом 11 </p></bio><bio xml:lang="en"><p>Olga A. Bannikova</p><p>11 Volokolamskoe highway, Moscow, 125080</p></bio><email xlink:type="simple">bannikovaoa@mgupp.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>Безнаева</surname><given-names>О. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Beznaeva</surname><given-names>O. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Безнаева Ольга Владимировна</p><p>125080, Москва, Волоколамское шоссе, дом 11 </p></bio><bio xml:lang="en"><p>Olga V. Beznaeva</p><p>11 Volokolamskoe highway, Moscow, 125080</p></bio><email xlink:type="simple">olgabeznaeva@mgupp.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>Романова</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Romanova</surname><given-names>V. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Романова Валентина Александровна</p><p>125080, Москва, Волоколамское шоссе, дом 11 </p></bio><bio xml:lang="en"><p>Valentina A. Romanova</p><p>11 Volokolamskoe highway, Moscow, 125080</p></bio><email xlink:type="simple">bwal1307@mgupp.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>Загребина</surname><given-names>Д. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Zagrebina</surname><given-names>D. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Загребина Дарья Михайловна</p><p>125080, Москва, Волоколамское шоссе, дом 11 </p></bio><bio xml:lang="en"><p>Darya M. Zagrebina</p><p>11 Volokolamskoe highway, Moscow, 125080</p></bio><email xlink:type="simple">zagrebinadm@mgupp.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>Кондратова</surname><given-names>Т. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kondratova</surname><given-names>T. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кондратова Тамара Александровна</p><p>125080, Москва, Волоколамское шоссе, дом 11 </p></bio><bio xml:lang="en"><p>Tamara A. Kondratova</p><p>11 Volokolamskoe highway, Moscow, 125080</p></bio><email xlink:type="simple">flash_toma@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ФГБОУ ВО «Московский государственный университет пищевых производств»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Moscow State University of Food Production</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2019</year></pub-date><pub-date pub-type="epub"><day>04</day><month>05</month><year>2021</year></pub-date><volume>1</volume><issue>3</issue><fpage>92</fpage><lpage>105</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Тверитникова И.С., Банникова О.А., Безнаева О.В., Романова В.А., Загребина Д.М., Кондратова Т.А., 2021</copyright-statement><copyright-year>2021</copyright-year><copyright-holder xml:lang="ru">Тверитникова И.С., Банникова О.А., Безнаева О.В., Романова В.А., Загребина Д.М., Кондратова Т.А.</copyright-holder><copyright-holder xml:lang="en">Tveritnikova I.S., Bannikova O.A., Beznaeva O.V., Romanova V.A., Zagrebina D.M., Kondratova T.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.hfb-journal.ru/jour/article/view/25">https://www.hfb-journal.ru/jour/article/view/25</self-uri><abstract><p>Утилизация многослойных полимерных материалов затруднена, из-за сложности в процессах сортировки и разделения смешанных отходов, поэтому чаще всего они попадают на свалки, полигоны или сжигаются, что приводит к экологической и экономической проблеме в стране. В настоящее время существуют способы переработки отходов упаковки с исключением стадии сортировки при помощи химико-физической модификации. Статья посвящена проведению процесса модификации полиолефиновых смесей на основе полиэтилена и полипропилена, а также проведению комплексного исследования полученного вторичного сырья, которое направлено на увеличение технологической совместимости полимерных материалов для разработки технологии рециклинга с перспективой возврата полимерных композиций в производственный цикл. В работе были поставлены следующие задачи: провести комплексное исследование полимерных композиций на основе полиолефинов, которые модифицированы сополимером этилена с пропиленом в различном соотношении компонентов; изучить влияние модификатора на физико-механические свойства полимерных смесей; изучить влияние реологических свойств полимерных композиций, модифицированных сополимером; предложить технологию повторной переработки вторичных полиолефиновых композиций в производственный цикл. В качестве объектов исследования использовали полиэтилен, полипропилен и сополимер этилена с пропиленом, как связующее звено, в разном соотношении компонентов. Образцы получали на лабораторном одношнековом экструдере при многократной переработке. Научные исследования проведены с использованием метода капиллярной вискозиметрии, пикнометрического метода для определения реологических свойств, метода одноосного растяжения для изучения физико-механических свойств полимерных композиций. Установлено, что введение модификатора (сополимер этилена с пропиленом) приводит к увеличению относительного удлинения при разрыве у полимерных композиций в соотношении 70 % полиэтилена 30 % полипропилена и разрушающее напряжение для композиций на основе полиэтилена и полипропилена в соотношении 50:50 и 30:70 соответственно. В результате проведенных исследований предложена технология получения многослойных упаковочных материалов с использованием отходов упаковки в среднем слое для контакта с пищевыми продуктами; предложена технология переработки полиолефиновых смесей различной химической природы без предварительной сортировки, с получением упаковки технического назначения и предметов бытового использования.</p></abstract><trans-abstract xml:lang="en"><p>Recycling of multi-layer polymer materials is difficult, due to the complexity of sorting and separation of mixed waste, so most often they end up in landfills, polygons or incinerated, which leads to environmental and economic problems in the country. Currently, there are ways to process packaging waste with the exception of the sorting stage using chemical and physical modification. The article is devoted to the process of modification of polyolefin mixtures based on polyethylene and polypropylene, as well as a comprehensive study of the obtained secondary raw materials, which is aimed at increasing the technological compatibility of polymer materials for the development of recycling technology with the prospect of returning polymer compositions to the production cycle. The following tasks were set: to conduct a comprehensive study of polymer compositions based on polyolefins, which are modified by a copolymer of ethylene with propylene in a different ratio of components; to study the influence of the modifier on the physical and mechanical properties of polymer mixtures; to study the influence of rheological properties of polymer compositions modified by a copolymer; to propose a technology for recycling secondary polyolefin compositions in the production cycle. The objects of research were polyethylene, polypropylene and ethylene copolymer with propylene as a binder, in different proportions of components. Samples were obtained on a laboratory single-screw extruder with multiple processing. Scientific research was carried out using the method of capillary viscometry, pycnometric method for determining rheological properties, and uniaxial stretching method for studying the physical and mechanical properties of polymer compositions. It was found that the introduction of a modifier (ethylene copolymer with propylene) leads to an increase in the elongation at break in polymer compositions in the ratio of 70 % polyethylene to 30 % polypropylene and the breaking stress for compositions based on polyethylene and polypropylene in the ratio of 50:50 and 30: 70, respectively. As a result of the research, a technology for obtaining multi-layer packaging materials using packaging waste in the middle layer for contact with food products is proposed; a technology for processing polyolefin mixtures of various chemical nature is proposed without pre-sorting, to obtain packaging for technical purposes and household items.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>полимеры</kwd><kwd>сополимер</kwd><kwd>модификация полимеров</kwd><kwd>многослойные пленки</kwd><kwd>соэкструзия</kwd><kwd>деформационно-прочностные характеристики</kwd></kwd-group><kwd-group xml:lang="en"><kwd>polymers</kwd><kwd>copolymer</kwd><kwd>polymer modification</kwd><kwd>multilayer films</kwd><kwd>co-extrusion</kwd><kwd>deformation and strength characteristics</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">Акутин, М. С., &amp; Артеменко, Б. Н. (1967). 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