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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">10.20914/2310-1202-2025-2-180-189</article-id><article-id custom-type="elpub" pub-id-type="custom">vguit-3649</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>Многослойные полимерные оболочки для скрытой маркировки зеркальных изделий</article-title><trans-title-group xml:lang="en"><trans-title>Multilayer polymer films for covert marking of mirrored products</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0008-6550-2892</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Погиба</surname><given-names>А. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Pogiba</surname><given-names>A. Y.</given-names></name></name-alternatives><bio xml:lang="ru"><p>преподаватель, кафедра инновационных материалов принтмедиаиндустрии, ул. Большая Семеновская, 38, г. Москва, 107023, Россия</p></bio><bio xml:lang="en"><p>lecturer, innovative materials of printmediaindustry department, st. Bolshaya Semenovskaya, 38, Moscow, 107023, Russia</p></bio><email xlink:type="simple">pogiba.a@ya.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/0000-0002-1344-4888</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Верещагин</surname><given-names>В. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Vereshchagin</surname><given-names>V. Y.</given-names></name></name-alternatives><bio xml:lang="ru"><p>к.т.н., доцент, кафедра инфокогнитивные технологии, ул. Большая Семеновская, 38, г. Москва, 107023, Россия</p></bio><bio xml:lang="en"><p>Cand. Sci. (Tech.), associate professor, infocognitive technologies department, st. Bolshaya Semenovskaya, 38, Moscow, 107023, Russia</p></bio><email xlink:type="simple">slavaver@ya.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/0009-0008-8333-4749</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, техник, кафедра инновационных материалов принтмедиаиндустрии, ул. Большая Семеновская, 38, г. Москва, 107023, Россия</p></bio><bio xml:lang="en"><p>student, technician, innovative materials of printmediaindustry department, st. Bolshaya Semenovskaya, 38, Moscow, 107023, Russia</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/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, кафедра инновационных материалов принтмедиаиндустрии, ул. Большая Семеновская, 38, г. Москва, 107023, Россия</p></bio><bio xml:lang="en"><p>Dr. Sci. (Tech.), professor, innovative materials of printmediaindustry department, st. Bolshaya Semenovskaya, 38, Moscow, 107023, Russia</p></bio><email xlink:type="simple">apkrezerv@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Московский политехнический университет</institution></aff><aff xml:lang="en"><institution>Moscow Polytechnic University</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>30</day><month>05</month><year>2025</year></pub-date><volume>87</volume><issue>2</issue><fpage>180</fpage><lpage>189</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Погиба А.Ю., Верещагин В.Ю., Род В.А., Кондратов А.П., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Погиба А.Ю., Верещагин В.Ю., Род В.А., Кондратов А.П.</copyright-holder><copyright-holder xml:lang="en">Pogiba A.Y., Vereshchagin V.Y., Rod V.A., 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/3649">https://www.vestnik-vsuet.ru/vguit/article/view/3649</self-uri><abstract><p>Поляризация света, отраженного от зеркальной поверхности стеклянной, пластмассовой или металлической тары, фольги или этикетки из металлизированной пленки позволяет наблюдать в полимерных многослойных покрытиях эффект плеохроизма и использовать его в публичной (открытой) и скрытой (защитной) маркировке товаров. Анизотропные оптически активные полимерные пленки двух типов, используемые для маркировки прозрачных оболочек и упаковки получают путем линейной и двухосной ориентационной вытяжки. Линейная ориентация при производстве полимерных плёнок создаёт «эффект памяти формы» и используется для изготовления внешнего слоя оболочки, который сжимает и фиксирует её многослойную структуру при термоусадке на цилиндрической конической или иной криволинейной поверхности изделий с зеркальной поверхностью. Установлено, что коэффициент пропускания обычного и поляризованного света термоусадочной плёнкой поливинилхлорида «памятью формы» существенно различается и в зависимости от длины волны света и уровня внутренних напряжений в пленке снижается в процессе её усадки в несколько раз. При исследовании оптических свойств комбинированных полимерных плёнок в условиях термостимулируемой усадки обнаружены яркие цветные эффекты и парадокс влияния масштабного фактора на прозрачность пленки поливинилхлорида для потока света, отражённого от зеркальной поверхности. Поляризация света, отраженного от зеркальной поверхности, позволяет использовать многоцветный эффект плеохроизма для привлечения внимания покупателя к товару и скрытой (защитной) маркировки упаковки путем штрихового кодирования информации о товаре. Показана возможность считывания информации, вводимой в многослойную оболочку путем высечки штрихового кода в среднем слое двухосно ориентационной пленки полипропилена, с использованием видеокамеры и программного обеспечения смартфонов. Плеохроизм многослойной оболочки, формируемой путем термостимулируемой усадки оболочек или цилиндрических этикеток зависит от уровня внутренних напряжений во внешнем слое термоусадочной плёнки поливинилхлорида. Оптимальный уровня внутренних напряжений для усадки и фиксации оболочек на изделиях задается в диапазоне 1-4 МПа путем реализации свободной усадки в диапазоне 10-60% от максимальной усадки без ограничения размеров пленки.</p></abstract><trans-abstract xml:lang="en"><p>The polarization of light reflected from the mirror-like surfaces of glass, plastic, or metal containers, or from foil or metallized film labels, produces pleochroism effects in polymer multilayer coatings. This optical phenomenon can be utilized for both open and hidden product markings. Two types of anisotropic optically active polymer films used for marking transparent coatings and packaging are produced by linear and biaxial stretching. Linear stretching during the production of polymer films creates a shape memory effect and is used to manufacture the outer layer of the coating. This layer compresses and fixes the multilayer structure during heat shrinkage onto cylindrical, conical, or other curved mirror-like surfaces. It has been established that the optical transmission coefficients of regular and polarized light through a shape-memory polyvinyl chloride (PVC) shrink film differ significantly. Depending on the light wavelength and the stress in the film, the transmission decreases several times during the film shrinkage process. In the study of the optical properties of composite polymer films undergoing thermally induced shrinkage, striking color phenomena and a paradoxical effect of the scale factor on the transparency of PVC film for light reflected from mirror surfaces were observed. The polarization of reflected light enables the use of multicolor pleochroism as both eye-catching visual features for consumer engagement and hidden security elements capable of encoding product information in a barcode-like format for discreet package authentication. The feasibility of reading information embedded within a multilayer film has been demonstrated by incorporating a barcode into the middle layer of a biaxially oriented polypropylene film. This embedded data can be accurately captured and decoded using a smartphone camera in combination with a dedicated software application. The pleochroism observed in the multilayer film formed through thermally induced shrinkage of sleeves or cylindrical labels depends on the level of internal stress present in the outer layer of the PVC shrink film. The optimal internal stress is 1-4 MPa for the film shrinkage and fixation on products, corresponding to the 5-65% of the maximum shrinkage strain.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>пленка</kwd><kwd>деформация</kwd><kwd>термоусадка</kwd><kwd>поливинилхлорид</kwd><kwd>упаковка</kwd><kwd>фотометрия</kwd><kwd>плеохроизм</kwd><kwd>поляризованный свет</kwd><kwd>цветовое различие</kwd><kwd>штрих-код</kwd></kwd-group><kwd-group xml:lang="en"><kwd>film</kwd><kwd>deformation</kwd><kwd>heat shrinkage</kwd><kwd>polyvinyl chloride</kwd><kwd>packaging</kwd><kwd>photometry</kwd><kwd>pleochroism</kwd><kwd>polarized light</kwd><kwd>color difference</kwd><kwd>barcode</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">Медведев Р.П., Подковырина Ю.С., Скорынина А.А. 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