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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">10.35164/0554-2901-2022-7-8-33-36</article-id><article-id custom-type="elpub" pub-id-type="custom">plasticnews-771</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>Сорбция ионов тяжелых металлов полиамфолитными гидрогелями</article-title><trans-title-group xml:lang="en"><trans-title>Sorption of heavy metal ions by polyampholyte hydrogels</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>Липин</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>LIPIN</surname><given-names>V. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>St.Petrsburg</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Пошвина</surname><given-names>Т. А.</given-names></name><name name-style="western" xml:lang="en"><surname>POSHVINA</surname><given-names>T. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>St.Petrsburg</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Петрова</surname><given-names>Ю. А.</given-names></name><name name-style="western" xml:lang="en"><surname>PETROVA</surname><given-names>YU. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Санкт-Петербург</p></bio><bio xml:lang="en"><p>St.Petrsburg</p></bio><email xlink:type="simple">yulia.petrova1997@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Высшая школа технологии и энергетики Санкт-Петербургского государственного университета промышленных технологий и дизайна</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Higher School of Technology and Energy of St. Petersburg State University of Industrial Technologies and Design</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>26</day><month>10</month><year>2022</year></pub-date><volume>0</volume><issue>7-8</issue><fpage>33</fpage><lpage>36</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Липин В.А., Пошвина Т.А., Петрова Ю.А., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Липин В.А., Пошвина Т.А., Петрова Ю.А.</copyright-holder><copyright-holder xml:lang="en">LIPIN V.A., POSHVINA T.A., PETROVA Y.A.</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/771">https://www.plastics-news.ru/jour/article/view/771</self-uri><abstract><p>Исследована способность полиамфолитных гидрогелей образовывать полимер-металлические комплексы, структура которых подтверждалась методом ИК-спектроскопии. Результаты обработки равновесной сорбции показали, что ионы Cu2+ и Ni2+ присоединяются к одному активному центру, образуя при этом координационные комплексы с ионами Cu(II) и Ni(II). Установлено, что сорбция протекает по механизму ионного обмена. Методом термогравиметрии показано, что энергия активации у полимерметаллических комплексов ПДА, БДА с Cu2+ и БДА с Ni2+ уменьшается по сравнению с исходными полимерами.</p></abstract><trans-abstract xml:lang="en"><p>The ability of polyampholite hydrogels to form polymer-metal complexes, the structure of which was confirmed by IR spectroscopy, was studied. The results of equilibrium sorption treatment showed that Cu2+ and Ni2+ ions attach to the same active site, forming coordination complexes with Cu(II) and Ni(II) ions. It has been established that sorption proceeds according to the ion-exchange mechanism. It has been shown by thermogravimetry that the activation energy of the polymer-metal complexes PDA, BDA with Cu2+, and BDA with Ni2+ is reduced compared to the initial polymers.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>полиакриламид</kwd><kwd>полиамфолитные гидрогели</kwd><kwd>сорбция</kwd><kwd>ионы металлов</kwd><kwd>комплексообразование</kwd><kwd>энергия активации</kwd></kwd-group><kwd-group xml:lang="en"><kwd>polyacrylamide</kwd><kwd>polyampholytic hydrogels</kwd><kwd>sorption</kwd><kwd>metal ions</kwd><kwd>complex formation</kwd><kwd>activation energy</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">Herrmann J-M. Heterogeneous photocatalysis: Fundamentals and applications to the removal of various types of aqueous pollutants. Catalysis Today. 1999;53(1):115-129.</mixed-citation><mixed-citation xml:lang="en">Herrmann J-M. 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