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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">10.35164/0554-2901-2023-11-12-6-9</article-id><article-id custom-type="elpub" pub-id-type="custom">plasticnews-929</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>XIX Международная научно-практическая конференция «Новые полимерные композиционные материалы. Микитаевские чтения»</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>XIX International Scientific and Practical Conference "New polymer composite materials. Mikitaev readings"</subject></subj-group></article-categories><title-group><article-title>Селективная деструкция в растворах щелочи имидных и уретановых блоков в термолизованных образцах пленок сополи(уретан-имидов)</article-title><trans-title-group xml:lang="en"><trans-title>Selective destruction in alkali solutions of imide and urethane blocks in thermolized samples of copoly(urethane-imide) films</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>Диденко</surname><given-names>А. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Didenko</surname><given-names>A. L.</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">vanilin72@yandex.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>Нестерова</surname><given-names>А. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Nesterova</surname><given-names>A. S.</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">vanilin72@yandex.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>Камалов</surname><given-names>А. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Kamalov</surname><given-names>A. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Saint Petersburg</p></bio><email xlink:type="simple">vanilin72@yandex.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>Попова</surname><given-names>Е. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Popova</surname><given-names>E. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Saint Petersburg</p></bio><email xlink:type="simple">vanilin72@yandex.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ваганов</surname><given-names>Г. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Vaganov</surname><given-names>G. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Saint Petersburg</p></bio><email xlink:type="simple">vanilin72@yandex.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кобыхно</surname><given-names>И. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kobykhnо</surname><given-names>I. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Saint Petersburg</p></bio><email xlink:type="simple">vanilin72@yandex.ru</email><xref ref-type="aff" rid="aff-4"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мамаев</surname><given-names>Н. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Mamaev</surname><given-names>N. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>Saint Petersburg</p></bio><email xlink:type="simple">vanilin72@yandex.ru</email><xref ref-type="aff" rid="aff-4"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Анохина</surname><given-names>Т. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Anokhina</surname><given-names>T. S.</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">vanilin72@yandex.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>Малахов</surname><given-names>А. О.</given-names></name><name name-style="western" xml:lang="en"><surname>Malahov</surname><given-names>A. O.</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">vanilin72@yandex.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>Борисов</surname><given-names>И. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Borisov</surname><given-names>I L.</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">vanilin72@yandex.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>Кудрявцев</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kudryavtsev</surname><given-names>V. V.</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">vanilin72@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт нефтехимического синтеза им. А. В. Топчиева РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>A.V.Topchiev Institute of Petrochemical Synthesis, RAS (TIPS RAS)</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт высокомолекулярных соединений РАН;&#13;
Санкт-Петербургский политехнический университет Петра Великого</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute of Macromolecular Compounds of the Russian Academy of Sciences;&#13;
Peter the Great St.Petersburg Polytechnic University (SPbPU)</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Институт высокомолекулярных соединений РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute of Macromolecular Compounds of the Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>Санкт-Петербургский политехнический университет Петра Великого</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Peter the Great St.Petersburg Polytechnic University (SPbPU)</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>6</fpage><lpage>9</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Диденко А.Л., Нестерова А.С., Камалов А.М., Попова Е.Н., Ваганов Г.В., Кобыхно И.А., Мамаев Н.Н., Анохина Т.С., Малахов А.О., Борисов И.Л., Кудрявцев В.В., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Диденко А.Л., Нестерова А.С., Камалов А.М., Попова Е.Н., Ваганов Г.В., Кобыхно И.А., Мамаев Н.Н., Анохина Т.С., Малахов А.О., Борисов И.Л., Кудрявцев В.В.</copyright-holder><copyright-holder xml:lang="en">Didenko A.L., Nesterova A.S., Kamalov A.M., Popova E.N., Vaganov G.V., Kobykhnо I.A., Mamaev N.N., Anokhina T.S., Malahov A.O., Borisov I.L., Kudryavtsev V.V.</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/929">https://www.plastics-news.ru/jour/article/view/929</self-uri><abstract><p>Исследована селективная деструкция уретановых и имидных звеньев в сополи(уретан-имиде), полученном на основе пиромеллитового ангидрида, диаминодифенилового эфира, толуилендиизоцианата, поликапролактона, содержащем повышенную долю имидных звеньев. Проводили последовательную деструкцию, включающую предварительный термолиз образцов с последующим гидролизом пленки в растворах гидрата окиси калия. Показано, что в процессе хемодеструкции звенья имида более лабильны по сравнению со звеньями уретана (на основе поликапролактона). В результате хемодеструкции в конечных образцах, близких по химической структуре к поли(оксидифенилен) пиромеллитимиду, сохраняются в остаточных количествах блоки уретана. Характеристика конечных пленок получена с помощью методов ТГА, ДСК, ДМА, АСМ. Деформационно-прочностные свойства образцов остаются практически постоянными в ходе деструкционных процессов сополи(уретан-имида). Полученные результаты представляют интерес в свете разработки пористых мембранных материалов на основе поли(оксидифенилен)пиромеллитимида.</p></abstract><trans-abstract xml:lang="en"><p>The selective destruction of urethane and imide units in a copoly(urethane-imide) obtained on the basis of pyromellitic anhydride, 4,4′-oxydianiline, toluene-2,4-diisocyanate, polycaprolactone and containing an increased proportion of imide units was investigated. A sequential destruction was carried out, including preliminary thermolysis of the samples followed by hydrolysis of the film in solutions of potassium oxide hydrate. It is shown that in the process of chemodestruction, imide units are more labile compared to urethane units (based on polycaprolactone). As a result of chemodestruction, in the final samples, which are similar in chemical structure to poly(oxydiphenylene)pyromellitimide, urethane blocks remain in residual quantities. The characterization of the final films was carried out using the methods of TGA, DSC, DMA, AFM. The deformation-strength properties of the samples remain almost constant during the destruction processes of the copoly(urethane-imide). The results obtained are of interest in the light of the development of porous membrane materials.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>сополи(уретан-имид)</kwd><kwd>термолиз</kwd><kwd>гидролиз</kwd><kwd>пленки</kwd><kwd>термогравиметрический анализ (ТГА)</kwd><kwd>дифференциально-сканирующая калориметрия (ДСК)</kwd><kwd>динамический механический анализ (ДМА)</kwd><kwd>деформационно-прочностные свойства</kwd><kwd>атомно-силовая микроскопия (АСМ)</kwd></kwd-group><kwd-group xml:lang="en"><kwd>copoly(urethane-imide)</kwd><kwd>thermolysis</kwd><kwd>hydrolysis</kwd><kwd>films</kwd><kwd>thermogravimetric analysis (TGA)</kwd><kwd>differential scanning calorimetry (DSC)</kwd><kwd>dynamic mechanical analysis (DMA)</kwd><kwd>deformation and strength properties</kwd><kwd>atomic force microscopy (AFM)</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена при финансовой поддержке Российского научного фонда (проект № 22-19-00831)</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Sokolova M.P., Bugrov A.N., Smirnov M. 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