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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">zhps</journal-id><journal-title-group><journal-title xml:lang="ru">Журнал прикладной спектроскопии</journal-title><trans-title-group xml:lang="en"><trans-title>Zhurnal Prikladnoii Spektroskopii</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0514-7506</issn><publisher><publisher-name>B. I. Stepanov Institute of Physics of the National Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">zhps-58</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>Статьи</subject></subj-group></article-categories><title-group><article-title>ВЛИЯНИЕ ОБЛУЧЕНИЯ НА СТОЙКОСТЬ ПОЛИУРЕТАНОВЫХ МАТРИЦ В ЛАЗЕРНОМ ЭЛЕМЕНТЕ</article-title><trans-title-group xml:lang="en"><trans-title>THE INFLUENCE OF IRRADIATION ON STABILITY OF POLYURETHANE MATRICES IN LASER ELEMENTS</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>Косянчук</surname><given-names>Л. Ф.</given-names></name><name name-style="western" xml:lang="en"><surname>Kosyanchuk</surname><given-names>L. F.</given-names></name></name-alternatives><email xlink:type="simple">lkosyanchuk@ukr.net</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>Стратилат</surname><given-names>М. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Stratilat</surname><given-names>M. S.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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>Бабкина</surname><given-names>Н. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Babkina</surname><given-names>N. V.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.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>Безродная</surname><given-names>Т. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Bezrodna</surname><given-names>T. V.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Менжерес</surname><given-names>Г. Я.</given-names></name><name name-style="western" xml:lang="en"><surname>Menzheres</surname><given-names>G. Ya.</given-names></name></name-alternatives><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт химии высокомолекулярных соединений НАН Украины</institution></aff><aff xml:lang="en"><institution>Institute of Macromolecular Chemistry, National Academy of Sciences of Ukraine</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт физики НАН Украины</institution></aff><aff xml:lang="en"><institution>Institute of Physics, National Academy of Sciences of Ukraine</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2017</year></pub-date><pub-date pub-type="epub"><day>10</day><month>03</month><year>2020</year></pub-date><volume>84</volume><issue>2</issue><fpage>316</fpage><lpage>321</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Косянчук Л.Ф., Стратилат М.С., Бабкина Н.В., Безродная Т.В., Менжерес Г.Я., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Косянчук Л.Ф., Стратилат М.С., Бабкина Н.В., Безродная Т.В., Менжерес Г.Я.</copyright-holder><copyright-holder xml:lang="en">Kosyanchuk L.F., Stratilat M.S., Babkina N.V., Bezrodna T.V., Menzheres G.Y.</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://zhps.ejournal.by/jour/article/view/58">https://zhps.ejournal.by/jour/article/view/58</self-uri><abstract><p>Методами ИК спектроскопии и динамического механического анализа изучена фотоокислительная деструкция полиуретанов на основе гексаметилендиизоцианата с олигоэфирной составляющей разной природы. Установлено, что в густосшитом полиуретане на основе простого олигоэфиртриола молекулярной массы 500 при фотоокислении наблюдается тенденция к увеличению плотности сшивки. Показана большая стабильность полиуретана, содержащего сложноэфирные группы, по сравнению с полиуретаном на основе простого олигоэфирдиола с близкой молекулярной массой.</p></abstract><trans-abstract xml:lang="en"><p>The photo-oxidative degradation of polyurethanes based on hexamethylene diisocyanate with oligoether parts of different types has been investigated by means of IR-spectroscopy and dynamical mechanical analysis. High density cross linked polyurethane based on oligo-ether triol of molecular mass 500 has been found to possess a tendency to the crosslinking density growth under photooxidation. The polyurethane, containing ester groups has been shown to be more stable, compared to the polyurethane based on oligoether diol of similar molecular mass. </p></trans-abstract><kwd-group xml:lang="ru"><kwd>полиуретан</kwd><kwd>ИК спектроскопия</kwd><kwd>фотоокислительная деструкция</kwd><kwd>простой и сложный олигоэфиры</kwd><kwd>динамический механический анализ</kwd><kwd>polyurethane</kwd><kwd>IR-spectroscopy</kwd><kwd>photo-oxidative degradation</kwd><kwd>oligoether</kwd><kwd>oligoester</kwd><kwd>dynamical mechanical analysis</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">T. G. Pavlopoulos. Progress Quantum Electron., 26, N 4-5 (2002) 193-224</mixed-citation><mixed-citation xml:lang="en">T. G. Pavlopoulos. 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