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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">10.35164/0554-2901-2023-11-12-26-30</article-id><article-id custom-type="elpub" pub-id-type="custom">plasticnews-934</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>Демпфирующие материалы на основе пластифицированных полибутилметакрилата, полиметилметакрилата и поливинилацетата</article-title><trans-title-group xml:lang="en"><trans-title>Damping materials based on plasticized polybutyl methacrylate, polymethyl methacrylate and polyvinyl acetate</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>Сятковский</surname><given-names>А. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Syatkovskiy</surname><given-names>A. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>St Petersburg</p></bio><email xlink:type="simple">nauka@plastpolymer.com</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>Симонов-Емельянов</surname><given-names>И. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Simonov-Emelyanov</surname><given-names>I. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Москва</p></bio><bio xml:lang="en"><p>Moscow</p></bio><email xlink:type="simple">nauka@plastpolymer.com</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>OAО «Пластполимер»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Plastpolymer JSС</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>МИРЭА – Российский технологический университет (МИТХТ им. М.В. Ломоносова)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>MIREA – Russian Technological University (Lomonosov Institute of Fine Chemical Technologies)</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>11</day><month>01</month><year>2024</year></pub-date><volume>0</volume><issue>11-12</issue><fpage>26</fpage><lpage>30</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Сятковский А.И., Симонов-Емельянов И.Д., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Сятковский А.И., Симонов-Емельянов И.Д.</copyright-holder><copyright-holder xml:lang="en">Syatkovskiy A.I., Simonov-Emelyanov I.D.</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/934">https://www.plastics-news.ru/jour/article/view/934</self-uri><abstract><p>Целью представленной работы является исследование методом ДМА влияния состава наполненных и ненаполненных пластифицированных композиций на основе поливинилацетата (ПВА), полибутилметакрилата (ПБМА) и полиметилметакрилата (ПММА) на их демпфирующие характеристики. Установлено, что при введении пластификатора в полимер величина коэффициента механических потерь сначала возрастает, достигает своего максимального значения, и при дальнейшем увеличении содержания пластификатора начинает снижаться. Максимальный эффект наблюдается при объемных соотношениях пластификатор/полимер 0,2-0,4. Сходным образом ведут себя две другие диссипативные характеристики исследованных полимерных композиций: температурный интервал эффективного демпфирования и интегральный коэффициент механических потерь. Установлено, что добавки хлорсодержащих парафинов в композиции на основе ПВА и ПБМА позволяют существенно улучшить их характеристики вибропоглощения. При введении в композиции наполнителя (слюды) увеличивается модуль упругости материалов во всем температурном диапазоне (особенно существенно для композиций с большим содержанием пластификатора), незначительно снижается коэффициент механических потерь и практически не изменяется температура, при которой наблюдается максимальное демпфирование. Возникновения дополнительных механизмов релаксации не наблюдается.</p></abstract><trans-abstract xml:lang="en"><p>The purpose of the presented work is to investigate by DMA method the influence of the composition of filled and unfilled plasticized compositions based on polyvinyl acetate (PVA), polybutyl methacrylate (PBMA) and polymethyl methacrylate (PMMA) on their damping characteristics. It was found that when plasticizer is introduced into the polymer, the value of the mechanical loss coefficient first increases, reaches its maximum, and begins to decrease with further increase in the plasticizer content. The maximum effect is observed at a plasticizer/polymer volume ratio of 0.2-0.4. Two other dissipative characteristics, the temperature interval of effective damping and the integral coefficient of mechanical losses, are changing similarly. It is established that the additives of chlorinated paraffins in compositions based on PVA and PBMA can significantly improve their vibration absorbing characteristics. Introduction of mica filler into the composition of plasticized compositions based on PVA and PBMA does not lead to the appearаnсe of additional relaxation mechanisms. With increasing of the content of mica, the elastic modulus of compositions increases in the entire temperature range (especially significantly for compositions with a high content of plasticizer), the coefficient of mechanical losses slightly decreases, and the temperature practically does not change at which the maximum damping is observed.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>поливинилацетат</kwd><kwd>полибутилметакрилат</kwd><kwd>полиметилметакрилат</kwd><kwd>пластифицированные композиции</kwd><kwd>вибропоглощающие свойства</kwd><kwd>демпфирующие материалы</kwd></kwd-group><kwd-group xml:lang="en"><kwd>polyvinyl acetat</kwd><kwd>polybutyl methacrylate</kwd><kwd>polymethyl methacrylate</kwd><kwd>plasticized compositions</kwd><kwd>damping properties</kwd><kwd>damping 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">E.M. Kerwin, Jr., E.E.Ungar. 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