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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">dan</journal-id><journal-title-group><journal-title xml:lang="ru">Доклады Национальной академии наук Беларуси</journal-title><trans-title-group xml:lang="en"><trans-title>Doklady of the National Academy of Sciences of Belarus</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1561-8323</issn><issn pub-type="epub">2524-2431</issn><publisher><publisher-name>The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.29235/1561-8323-2018-62-1-120-128</article-id><article-id custom-type="elpub" pub-id-type="custom">dan-496</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>ТЕХНИЧЕСКИЕ НАУКИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>TECHNICAL SCIENCES</subject></subj-group></article-categories><title-group><article-title>ВЛИЯНИЕ ГИБРИДНОГО НАПОЛНЕНИЯ КОРОТКИМ СТЕКЛОВОЛОКНОМ И ТЕРМОРАСШИРЕННЫМ ГРАФИТОМ НА СТРУКТУРУ И СВОЙСТВА ПОЛИЭТИЛЕНТЕРЕФТАЛАТА</article-title><trans-title-group xml:lang="en"><trans-title>INFLUENCE OF HYBRID FILLING WITH SHORT GLASS FIBERS AND THERMALLY EXPANDED GRAPHITE ON THE STRUCTURE AND PROPERTIES POLYETHYLENETEREPHTALATE</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>Дубровский</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Dubrovsky</surname><given-names>Vladislav V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>науч. сотрудник</p><p>ул. Кирова, 32а, 246050, Гомель</p></bio><bio xml:lang="en"><p>Researcher</p><p>32-а, Kirov Str., Gomel</p></bio><email xlink:type="simple">vlad.dubrovskii@gmail.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>Адериха</surname><given-names>В. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Aderikha</surname><given-names>Vladimir N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. хим. наук, заведующий сектором</p><p>ул. Кирова, 32а, 246050, Гомель</p></bio><bio xml:lang="en"><p>Ph. D. (Chemistry), Head of the Department</p><p>32-а, Kirov Str., Gomel</p></bio><email xlink:type="simple">vnad@tut.by</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>Шаповалов</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Shapovalov</surname><given-names>Vitaly A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>науч. сотрудник</p><p>ул. Кирова, 32а, 246050, Гомель</p></bio><bio xml:lang="en"><p>Researcher</p><p>32-а, Kirov Str., Gomel</p></bio><email xlink:type="simple">shva.seven@gmail.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>Песецкий</surname><given-names>С. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Pesetskii</surname><given-names>Stepan S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>член-корреспондент, д-р техн. наук, профессор, заведующий отделом</p><p>ул. Кирова, 32а, 246050, Гомель</p></bio><bio xml:lang="en"><p>Corresponding Member, D. Sc. (Engineering), Professor, Head of the Department</p><p>32-а, Kirov Str., Gomel</p></bio><email xlink:type="simple">otdel5mpri@tut.by</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт механики металлополимерных систем им. В. А. Белого Национальной академии наук Беларуси</institution></aff><aff xml:lang="en"><institution>V. A. Belyi Metal-Polymer Research Institute of the National Academy of Sciences of Belarus</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2018</year></pub-date><pub-date pub-type="epub"><day>05</day><month>03</month><year>2018</year></pub-date><volume>62</volume><issue>1</issue><fpage>120</fpage><lpage>128</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Дубровский В.В., Адериха В.Н., Шаповалов В.А., Песецкий С.С., 2018</copyright-statement><copyright-year>2018</copyright-year><copyright-holder xml:lang="ru">Дубровский В.В., Адериха В.Н., Шаповалов В.А., Песецкий С.С.</copyright-holder><copyright-holder xml:lang="en">Dubrovsky V.V., Aderikha V.N., Shapovalov V.A., Pesetskii S.S.</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://doklady.belnauka.by/jour/article/view/496">https://doklady.belnauka.by/jour/article/view/496</self-uri><abstract><p>Исследовано влияние добавок коротких стеклянных волокон (СВ) и терморасширенного графита (ТРГ), вводимых в полиэтилентерефталат (ПЭТ), на механические, в том числе динамические механические, и реологические свойства, а также особенности структуры получаемых композитов. Компаундирование материалов осуществляли смешением в расплаве ПЭТ методом реакционной экструзии при использовании двухшнекового реактора-смесителя с односторонним вращением шнеков и L / D = 40. Исследуемые композиты содержали от 15 до 60 мас. % СВ, а концентрация ТРГ составляла 0,5 и 3,0 мас. %. Показано, что при гибридном наполнении ПЭТ наблюдается синергическое повышение модуля упругости композитов, предельные значения которого превышают 22 ГПа, а также динамического модуля сдвига в широком интервале температур. При введении ТРГ в композиты ПЭТ/СВ повышается кристалличность связующего. Обнаружен эффект аномального снижения характеристической вязкости растворов ПЭТ и повышения текучести расплава композитов при повышенной &gt;30 мас. % концентрации наполнителей, что обусловлено углублением деструкции макромолекул. </p></abstract><trans-abstract xml:lang="en"><p>The effect of short glass fibers (GFs) and thermally expanded graphite (TEG), added to polyethyleneterephtalate (PET), on mechanical, including dynamical mechanical, and rheological properties, as well as the structural features of the produced composites is studied. Compounding with the PET melt is realized by reactive extrusion using a co-rotating twin screw extruder-reactor with L / D = 40. Analyzed composites contained from 15 to 60 wt. % of GFs, and the TEG concentration was 0.5 and 3.0 wt. It is found that hybrid filling of PET results in a synergetic increase of the tensile modulus of the composites reaching the values more than 22 GPa, as well as that of the dynamic shear modulus in a wide temperature range. Adding TEG into PET/GF composites increases the degree of binder crystallinity. An effect of an anomalous decrease in the intrinsic viscosity of PET solutions and an increase in the melt flow index of the melt composites observed at higher GF concentrations is attributed to a deeper degradation of polymer. </p></trans-abstract><kwd-group xml:lang="ru"><kwd>полиэтилентерефталат</kwd><kwd>короткое стекловолокно</kwd><kwd>терморасширенный графит</kwd><kwd>гибридное наполнение</kwd></kwd-group><kwd-group xml:lang="en"><kwd>polyehtyleneterephtalate</kwd><kwd>short glass fiber</kwd><kwd>thermally expanded graphite</kwd><kwd>hybrid filling</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">Полиэтилентерефталат, 2016: Замки на песке [Электронный ресурс]. – Режим доступа: https://plastinfo.ru/information/articles/557/. – Дата доступа: 20.10.2017.</mixed-citation><mixed-citation xml:lang="en">Polyethylenterephthalate 2016: Castles in the sand. 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