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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">10.29235/1561-8323-2023-67-2-111-118</article-id><article-id custom-type="elpub" pub-id-type="custom">dan-1118</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>Влияние химической структуры карбоксилсодержащих полимеров на морфологию осадков и устойчивость дисперсий карбонатов</article-title><trans-title-group xml:lang="en"><trans-title>Effect of the chemical structure of carboxyl-containing polymers on precipitate morphology and carbonate dispersions stability</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>Воробьёв</surname><given-names>А. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Vorobiev</surname><given-names>A. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Воробьёв Артем Дмитриевич – канд. хим. наук, заведующий лабораторией</p><p>ул. Сурганова, 9/1, 220072, Минск</p></bio><bio xml:lang="en"><p>Vorobiev Artem D. – Ph. D. (Chemistry), Head of the Laboratory</p><p>9/1, Surganov Str., 220072, Minsk</p></bio><email xlink:type="simple">pdvc@tut.by</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>Бильдюкевич</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Bildyukevich</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Бильдюкевич Александр Викторович – академик, д-рхим. наук, профессор, директор</p><p>ул. Сурганова, 13, 220072, Минск</p></bio><bio xml:lang="en"><p>Bildyukevich Alexander V. – Academician, D. Sc. (Chemistry), Professor, Director</p><p>13, Surganov Str., 220072, Minsk</p></bio><email xlink:type="simple">uf@ifoch.bas-net.by</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>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 – д-р хим. наук,профессор, заведующий лабораторией</p><p>ул. Сурганова, 9/1, 220072, Минск</p></bio><bio xml:lang="en"><p>Vorobieva Elena V. – D. Sc. (Chemistry), Professor, Headof 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 contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Буча</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Bucha</surname><given-names>S. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Буча Светлана Васильевна – науч. сотрудник</p><p>ул. Сурганова, 9/1, 220072, Минск</p></bio><bio xml:lang="en"><p>Bucha Svetlana V. – Researcher</p><p>9/1, Surganov Str., 220072, Minsk</p></bio><email xlink:type="simple">bucha1003@gmail.com</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>Астахова</surname><given-names>М. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Astahova</surname><given-names>M. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Астахова Марина Александровна – науч. сотрудник</p><p>ул. Сурганова, 9/1, 220072, Минск</p></bio><bio xml:lang="en"><p>Astahova Marina A. – Researcher</p><p>9/1, Surganov Str., 220072, Minsk</p></bio><email xlink:type="simple">manya88ama@mail.ru</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 Национальной академии наук Беларуси</institution></aff><aff xml:lang="en"><institution>Institute of General and Inorganic Chemistry of the National Academy of Sciences of Belarus</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт физико-органической химии Национальной академии наук Беларуси</institution></aff><aff xml:lang="en"><institution>Institute of Physical and Organic Chemistry of the National Academy of Sciences of Belarus</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>07</day><month>05</month><year>2023</year></pub-date><volume>67</volume><issue>2</issue><fpage>111</fpage><lpage>118</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Воробьёв А.Д., Бильдюкевич А.В., Воробьёва Е.В., Буча С.В., Астахова М.А., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Воробьёв А.Д., Бильдюкевич А.В., Воробьёва Е.В., Буча С.В., Астахова М.А.</copyright-holder><copyright-holder xml:lang="en">Vorobiev A.D., Bildyukevich A.V., Vorobieva E.V., Bucha S.V., Astahova M.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://doklady.belnauka.by/jour/article/view/1118">https://doklady.belnauka.by/jour/article/view/1118</self-uri><abstract><p>С целью изучения влияния молекулярно-структурного строения карбоксилсодержащих полимеров на их ингибирующее и стабилизирующее действие в процессах осадкообразования был исследован ряд полимерных кислот с различным содержанием карбоксильных групп (Х): полиакриловая кислота (Мn = 5100 г-моль–1, Х = 61,11 %), полиметакриловая кислота (Мn = 5500 г-моль–1, Х = 48,79 %), сополимер метакриловой кислоты с терпеном скипидара (α-пинен) (Мn = 3500 г-моль–1, Х = 14,54 %). Установлено, что введение поликислот замедляет процесс роста кристаллов и приводит к изменению морфологии и структуры осадка карбонатов в результате рекристаллизации аморфной фазы в более устойчивые кристаллические формы. Показано, что поликарбоновые кислоты повышают коллоидную стабильность смешанной дисперсии карбонатов и каолина. Отмечен синергизм стабилизирующего действия смесей поликислот с различной гидрофобностью: в присутствии смеси полиакриловой кислоты с сополимером метакриловой кислоты с терпеном скипидара стабилизационный эффект возрастает 2 раза по сравнению с дисперсией без добавок и в 1,4–1,8 раза по сравнению с индивидуальными компонентами смеси. </p></abstract><trans-abstract xml:lang="en"><p>The influence of the molecular structure of carboxyl-containing polymers on their inhibitory and stabilizing effect in the precipitation processes was studied using a number of polymeric acids with different contents of carboxyl groups (X): polyacrylic acid (Mn = 5100 g-mol–1, X = 61.11 %), polymethacrylic acid (Mn = 5500 g-mol–1, X = 48.79 %), copolymer of methacrylic acid with turpentine terpene (α-pinene) (Mn = 350 g-mol–1, X = 14.54 %). It has been established that polyacid molecules slow down the process of crystal growth and recrystallization of the amorphous phase into more stable crystalline forms, which leads to a change in the morphology and structure of a carbonate precipitate. It has also been shown that polycarboxylic acids increase the colloidal stability of a mixed dispersion of carbonates and kaolin. The synergism of the stabilizing effect of mixtures of different hydrophobicity-polyacids was noted: in the presence of a mixture of polyacrylic acid with a copolymer of methacrylic acid with turpentine terpene, the stabilization effect increases 2 times compared to dispersion without additives and 1.4–1.8 times compared with individual components of the mixture. </p></trans-abstract><kwd-group xml:lang="ru"><kwd>полиакриловая кислота</kwd><kwd>полиметакриловая кислота</kwd><kwd>сополимер метакриловой кислоты с терпеном скипидара</kwd><kwd>ингибитор</kwd><kwd>дисперсант</kwd><kwd>стабилизационный эффект</kwd></kwd-group><kwd-group xml:lang="en"><kwd>polyacrylic acid</kwd><kwd>polymethacrylic acid</kwd><kwd>copolymer of methacrylic acid with turpentine terpene</kwd><kwd>inhibitor</kwd><kwd>dispersant</kwd><kwd>stabilizing effect</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">Hawe, M. 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