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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">vuzbiochemi</journal-id><journal-title-group><journal-title xml:lang="ru">Известия вузов. Прикладная химия и биотехнология</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of Universities. Applied Chemistry and Biotechnology</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2227-2925</issn><issn pub-type="epub">2500-1558</issn><publisher><publisher-name>ИРНИТУ</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.21285/227-2925-2017-7-4-132-135</article-id><article-id custom-type="elpub" pub-id-type="custom">vuzbiochemi-85</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>КРАТКИЕ СООБЩЕНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>BRIEF COMMUNICATION</subject></subj-group></article-categories><title-group><article-title>ИССЛЕДОВАНИЕ ПОЛИАКРИЛАТНЫХ СИСТЕМ МЕТОДОМ ИНФРАКРАСНОЙ СПЕКТРОСКОПИИ НАРУШЕННОГО ПОЛНОГО ВНУТРЕННЕГО ОТРАЖЕНИЯ</article-title><trans-title-group xml:lang="en"><trans-title>STUDY OF POLYACRYLATE SYSTEMS BY ATTENUATED TOTAL REFLECTION INFRARED SPECTROSCOPY</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>Гредюхина</surname><given-names>И. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Gredyuhina</surname><given-names>I. V.</given-names></name></name-alternatives><email xlink:type="simple">irina-krasotka15@mail.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>Плотникова</surname><given-names>Л. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Plotnikova</surname><given-names>L. V.</given-names></name></name-alternatives><email xlink:type="simple">ljusja@mail.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>Нечипоренко</surname><given-names>А. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Nechiporenko</surname><given-names>A. P.</given-names></name></name-alternatives><email xlink:type="simple">allanechiporenko 2512@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>Успенская</surname><given-names>М. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Uspenskaya</surname><given-names>M. V.</given-names></name></name-alternatives><email xlink:type="simple">mv_uspenskaya@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Научно-исследовательский университет информационных технологий, механики и оптики</institution><country>Россия</country></aff><aff xml:lang="en"><institution>9, Lomonosov Str., St. Petersburg, 191002, Russian Federation</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2017</year></pub-date><pub-date pub-type="epub"><day>23</day><month>09</month><year>2019</year></pub-date><volume>7</volume><issue>4</issue><fpage>132</fpage><lpage>135</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Гредюхина И.В., Плотникова Л.В., Нечипоренко А.П., Успенская М.В., 2019</copyright-statement><copyright-year>2019</copyright-year><copyright-holder xml:lang="ru">Гредюхина И.В., Плотникова Л.В., Нечипоренко А.П., Успенская М.В.</copyright-holder><copyright-holder xml:lang="en">Gredyuhina I.V., Plotnikova L.V., Nechiporenko A.P., Uspenskaya M.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://vuzbiochemi.elpub.ru/jour/article/view/85">https://vuzbiochemi.elpub.ru/jour/article/view/85</self-uri><abstract><p>Методом ИК-спектроскопии нарушенного полного внутреннего отражения (НПВО) исследованы образцы полиакрилата натрия, полученные при варьи-ровании степени нейтрализации акриловой кислоты (АК) и сшивающего агента. Степень нейтрализации АК (до 50 % и выше, предопределяя наличие двух структурно разных систем гидрогелей, проявляется в экстремальном характере изменения оптических свойств и кривых набухания образцов. Ко-личество связующего влияет на степень набухания и плотность формы набухшего полимера.</p></abstract><trans-abstract xml:lang="en"><p>Samples of sodium polyacrylate obtained by varying the degree of acrylic acid (AA) neutralisation and a cross-linking agent were studied by attenuated total reflection infrared spectroscopy (ATR-IR). The degree of AA neutralisation (up to 50% and higher), predetermining the presence of two structurally different hydrogel systems, is manifested through the extreme nature of the change in the optical properties and swelling curves of the samples. The amount of binder affects the degree of swelling and the density of the shape of the swollen polymer.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>акрилаты</kwd><kwd>полиакрилаты</kwd><kwd>ИК-спектроскопия полиакрилатов</kwd><kwd>набухание полиакрилатов</kwd></kwd-group><kwd-group xml:lang="en"><kwd>acrylates</kwd><kwd>polyacrylates</kwd><kwd>infrared spectroscopy of polyacrylates</kwd><kwd>swel-ling of polyacrylates</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">Mohammad J., Zohuriaan-Mehr. Superabsorbent Polymer Materials: A Review // Iranian Polymer Journal. 2008. V. 17, N 3. P. 451-477.</mixed-citation><mixed-citation xml:lang="en">Mohammad J., Zohuriaan-Mehr. Superabsorbent Polymer Materials: A Review // Iranian Polymer Journal. 2008. V. 17, N 3. 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