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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">vguit</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник Воронежского государственного университета инженерных технологий</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of the Voronezh State University of Engineering Technologies</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2226-910X</issn><issn pub-type="epub">2310-1202</issn><publisher><publisher-name>VSUET</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.20914/2310-1202-2024-3-223-230</article-id><article-id custom-type="elpub" pub-id-type="custom">vguit-3501</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</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Fundamental and Applied chemistry, chemical technology</subject></subj-group></article-categories><title-group><article-title>Подбор и модификация термопластичных полимерных пленок для ортодонтологии</article-title><trans-title-group xml:lang="en"><trans-title>Selection and modification of thermoplastic polymer films for orthotonology</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0008-8333-4749</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Род</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Rod</surname><given-names>V. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>студент, полиграфический институт, ул. Большая Семеновская 38., г Москва 107023</p></bio><bio xml:lang="en"><p>student, poligraphic institute, Moscow 107023</p></bio><email xlink:type="simple">vikdor.andreevich@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0003-1681-8579</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Утехин</surname><given-names>А. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Utekhin</surname><given-names>A. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д.х.н., профессор, полиграфический институт, ул. Большая Семеновская 38., г Москва 107023</p></bio><bio xml:lang="en"><p>Dr. Sci. (Chem.), professor, poligraphic institute, Moscow 107023</p></bio><email xlink:type="simple">alutekhin@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6118-0808</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кондратов</surname><given-names>А. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Kondratov</surname><given-names>A. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д.т.н., профессор, полиграфический институт, Большая Семеновская 38, г Москва 107023</p></bio><bio xml:lang="en"><p>Dr. Sci. (Engin.), professor, poligraphic institute, 38 Bolshaya Semyonovskaya str. Moscow 107023</p></bio><email xlink:type="simple">apkrezerv@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Московский политехнический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Moscow Polytechnic University, 38 Bolshaya Semynovskaya str.</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Московский политехнический университет</institution><country>Russian Federation</country></aff><aff xml:lang="en"><institution>Moscow Polytechnic University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>02</day><month>09</month><year>2024</year></pub-date><volume>86</volume><issue>3</issue><fpage>223</fpage><lpage>230</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Род В.А., Утехин А.Н., Кондратов А.П., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Род В.А., Утехин А.Н., Кондратов А.П.</copyright-holder><copyright-holder xml:lang="en">Rod V.A., Utekhin A.N., Kondratov A.P.</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.vestnik-vsuet.ru/vguit/article/view/3501">https://www.vestnik-vsuet.ru/vguit/article/view/3501</self-uri><abstract><p>Установлена возможность применения термопластичных полимерных пленок полиэтилена низкой плотности и полиэтилентерефталата отечественных марок для производства элайнеров и мягких форм, предназначенных для полимеризации стоматологических композитов, используемых в ортодонтологии. Надмолекулярная структура и состав листов полиэтилентерефталата и полиэтилена низкой плотности отечественных марок, а также их механические свойства отличаются от структуры и свойств фирменных полимерных материалов Shueu-Dental. Различие состава и степени кристалличности листов установлено методом дифференциально-сканирующей калориметрии. Установлено, что основу мягких пленок для матриц составляет полиэтилен низкой плотности со степенью кристалличности 35± 5%, а основу жестких пленок для изготовления элайнеров – аморфный сополимер этилентерефталата с температурой стеклования 76-81оС. Деформационные свойства импортного полиэтилена низкой плотности аналогичны свойствам отечественных полимеров различных марок. Деформационные свойства и кристалличность импортного полиэтилентерефталата существенно отличается от аналогичных по составу материалов отечественных марок Для приведения к соответствию состава и кристалличности полимерных материалов фирмы Shueu-Dental и пленок отечественного производства производили модифицирующую термообработку отечественных материалов в муфельной печи. Путем подбора температуры и времени термообработки листов полиэтилентерефталата получен материал меньшей кристалличности без содержания «летучих» компонентов. Пригодность модифицированной пластины полиэтилентерефталата отечественного производства для изготовления элайнеров проверялась путем измерения её жесткости. Жесткость оценивали по величине модуля Юнга, измеренного путем растяжения образцов исходных и модифицированных материалов с постоянной скоростью растяжения. После модифицирующей термообработки исследовали степень локальной вытяжки и разнотолщинность готовых изделий (элайнеров) из полиэтилена низкой плотности и полиэтилентерефталата. Измерили толщину в характерных точках и установили количественную связь между толщиной изделий и степенью вытяжки полимеров, применяемых в ортодонтологии.</p></abstract><trans-abstract xml:lang="en"><p>The possibility of using thermoplastic polymer films low density polyethylene and polyethylene terephthalate of domestic marks for the production of elixirs and soft molds intended for polymerization of dental composites used in orthodontics was established. The supramolecular structure and composition of the low-density polyethylene and polyethylene sheets of domestic brands, as well as their mechanical properties are different from the structure and properties of Shueu-Dental’s signature polymer materials. The difference in composition and degree of crystallinity of the sheets is determined by differential scanning calorimetry. The base of soft films for matrices is low density polyethylene with a crystallinity of 35±5%, and the base of hard films for the manufacture of elixers is an amorphous copolymer of ethylene terephthalate with a glassing temperature of 76-81 оС. The deformation properties of imported low density polyethylene are similar to the properties of domestic polymers of various brands. The deformation properties and crystallinity of imported polyethylene terephthalate are significantly different from those of domestic brands, which are similar in composition for the conformity of the polymer materials of Shueu-companyDental and domestically produced films produced modified heat treatment of domestic materials in the muffler furnace. By selecting the temperature and time of heat treatment of polyethylene terephthalate sheets, a material with reduced crystallinity is obtained without the content of «volatile» components. The suitability of a modified plastic terephthalate plate of domestic production for the manufacture of the aligner was tested by measuring its rigidity. Hardness was estimated by the size of the module Jung measured by stretching samples of original and modified materials at constant stretching speed. After the modified heat treatment, the degree of local pull and diversity of finished products (liners) made of low-density polyethylene and polyethylene terephthalate were investigated. Measured thickness at characteristic points and established a quantitative relationship between the thickness of the products and the degree of extraction of polymers used in orthodontics.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>полиэтилентерефталат</kwd><kwd>полиэтилен</kwd><kwd>ортодонтология</kwd><kwd>элайнер</kwd><kwd>полимер</kwd><kwd>термоформование</kwd><kwd>пневмоформование</kwd><kwd>степень вытяжки</kwd></kwd-group><kwd-group xml:lang="en"><kwd>polyethylene terephthalate</kwd><kwd>polyethylene</kwd><kwd>orthotonology</kwd><kwd>aligner</kwd><kwd>polymer</kwd><kwd>thermoforming</kwd><kwd>pressure forming</kwd><kwd>stretching degree</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">Мусаев Э.А., Шерышев М.А. Определение граничных условий температурного поля листовой заготовки // Успехи в химии и химической технологии. 2016. Т. 30. №. 10 (179). 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