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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">10.29235/1561-8323-2020-64-1-55-62</article-id><article-id custom-type="elpub" pub-id-type="custom">dan-854</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>ХИМИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>CHEMISTRY</subject></subj-group></article-categories><title-group><article-title>Полимерные комплексы и гидрогели на основе полиакриловой кислоты и поливинилового спирта</article-title><trans-title-group xml:lang="en"><trans-title>Polyacrylic acid and polyvinyl alcohol-based polymer complexes and 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>Воробьёва</surname><given-names>Е. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Vorobieva</surname><given-names>E. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Воробьёва Елена Викторовна - доктор химических наук, доцент, заведующий лабораторией.</p><p>Ул. Сурганова 9/1, 220072, Минск</p></bio><bio xml:lang="en"><p>Vorobieva Elena V. - D. Sc. (Chemistry), Associate professor, Head of the Laboratory.</p><p>9/1, Surganov Str., 220072, Minsk</p></bio><email xlink:type="simple">evorobieva@igic.bas-net.by</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт общей и неорганической химии, Национальная академия наук Беларуси</institution></aff><aff xml:lang="en"><institution>Institute of General and Inorganic Chemistry, National Academy of Sciences of Belarus,</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>19</day><month>03</month><year>2020</year></pub-date><volume>64</volume><issue>1</issue><fpage>55</fpage><lpage>62</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Воробьёва Е.В., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Воробьёва Е.В.</copyright-holder><copyright-holder xml:lang="en">Vorobieva E.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://doklady.belnauka.by/jour/article/view/854">https://doklady.belnauka.by/jour/article/view/854</self-uri><abstract><p>В водном растворе в кислой среде (рН &lt;3) образуются водорастворимые комплексы на основе полиакриловой кислоты (ПАК) и полиэтиленгликоля с молекулярной массой более 6000 или поливинилового спирта (ПВС). Определены условия получения гидрогеля на основе полиакриловой кислоты и поливинилового спирта с высокой степенью набухания (около 500 г воды/г полимера): рН &lt;3, температура 120-140 °С. Степень взаимодействия полимеров прямо пропорциональна содержанию поливинилового спирта в исходной смеси в интервале мольных соотношений ПВС и ПАК от 1 : 1 до 10 : 1, температуре и продолжительности термообработки и обратно пропорциональна молекулярной массе полиакриловой кислоты. Равновесная степень набухания гидрогеля увеличивается при рН среды набухания выше 6, а скорость набухания зависит от диффузии растворителя в гидрогель и определяется размером его частиц и условиями набухания (промывание, перемешивание и т. д.).</p></abstract><trans-abstract xml:lang="en"><p>In aqueous solution, in the acidic environment (pH &lt;3), water-soluble complexes are formed based on polyacrylic acid (PAA) and polyethyleneglycol with a molecular weight of more than 6000 or on polyvinyl alcohol (PVA). The conditions for obtaining hydrogel based on polyacrylic acid and polyvinyl alcohol with a high degree of swelling (about 500 g of water/g of polymer) were determined: pH &lt;3, temperature 120-140 °С. The degree of interaction of polymers is directly proportional to the content of polyvinyl alcohol in the initial mixture in the range of the molar PVA and PAA ratios from 1 : 1 to 10 : 1, the temperature and duration of heat treatment and is inversely proportional to the molecular weight of polyacrylic acid. The equilibrium degree of hydrogel swelling increases at the pH of the swelling medium above 6, and the swelling rate depends on the solvent diffusion into the hydrogel and is determined by the size of its particles and the swelling conditions (washing, mixing, etc.).</p></trans-abstract><kwd-group xml:lang="ru"><kwd>полиакриловая кислота</kwd><kwd>поливиниловый спирт</kwd><kwd>полиэтиленгликоль</kwd><kwd>полимерные комплексы</kwd><kwd>гидрогели</kwd></kwd-group><kwd-group xml:lang="en"><kwd>polyacrylic acid</kwd><kwd>polyvinyl alcohol</kwd><kwd>polyethyleneglycol</kwd><kwd>polymer complexes</kwd><kwd>hydrogels</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">Стид, Дж. В. Супрамолекулярная химия / Дж. В. Стид, Дж. Л. Этвуд. - М., 2007. - 480 с.</mixed-citation><mixed-citation xml:lang="en">Steed J. V., Atwood J. L. Supramolecular chemistry. 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