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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">izmertech</journal-id><journal-title-group><journal-title xml:lang="ru">Измерительная техника</journal-title><trans-title-group xml:lang="en"><trans-title>Izmeritel`naya Tekhnika</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0368-1025</issn><issn pub-type="epub">2949-5237</issn><publisher><publisher-name>ФГУП "ВНИИФТРИ"</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.32446/0368-1025it.2024-3-55-60</article-id><article-id custom-type="elpub" pub-id-type="custom">izmertech-2163</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>ФИЗИКО-ХИМИЧЕСКИЕ ИЗМЕРЕНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>PHYSICOCHEMICAL MEASUREMENTS</subject></subj-group></article-categories><title-group><article-title>Влияние поверхностно-активных веществ на степень полидисперсности суспензий полистирольных латексных сфер</article-title><trans-title-group xml:lang="en"><trans-title>Effect of surfactants on the degree of polydispersity of a suspension of polystyrene latex spheres</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8653-3267</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Аверкин</surname><given-names>Д. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Averkin</surname><given-names>D. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Дмитрий Вадимович Аверкин </p><p>Менделеево, Московская обл. </p></bio><bio xml:lang="en"><p>Dmitry V. Averkin </p><p>Mendeleevo, Moscow region </p></bio><email xlink:type="simple">averkin@vniiftri.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Всероссийский научно-исследовательский институт физико-технических и радиотехнических измерений</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Russian Metrological Institute of Technical Physics and Radio Engineering</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>15</day><month>05</month><year>2024</year></pub-date><volume>0</volume><issue>3</issue><fpage>55</fpage><lpage>60</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Аверкин Д.В., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Аверкин Д.В.</copyright-holder><copyright-holder xml:lang="en">Averkin D.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.izmt.ru/jour/article/view/2163">https://www.izmt.ru/jour/article/view/2163</self-uri><abstract><p>Рассмотрены способы получения суспензий на основе монодисперсных частиц полистирольных латексных сфер. Такие суспензии можно применять в качестве мер размеров частиц, необходимых для обеспечения единства измерений гранулометрического состава аэрозолей, взвесей и порошкообразных материалов. Показано, что при различных условиях синтеза монодисперсных суспензий полистирольных латексных сфер можно получать как монодисперсные, так и полидисперсные образцы. Исследовано влияние состава и степени растворимости поверхностно-активных веществ в эмульсии стирол-вода на размер получаемых в результате эмульсионной полимеризации частиц суспензий полистирольных латексных сфер и степень полидисперсности таких частиц. Методами динамического рассеяния света и дифракции лазерного излучения исследованы метрологические характеристики полученных в настоящей работе суспензий полистирольных латексных сфер на основе различных солей лауриновой кислоты – лауратов натрия, калия и лития. Установлено, что на размер и степень полидисперсности частиц указанных суспензий в первую очередь влияет растворимость поверхностно-активного вещества и поверхностное натяжение межфазного слоя стирол-вода в момент образования частиц. Изучено влияние скорости реакции, а также концентрации поверхностно-активных веществ на размер и степень полидисперсности синтезируемых частиц. Установлено, что при использовании в качестве инициатора реакции персульфата калия распределение частиц по размерам является монодисперсным в суспензиях на основе лаурата натрия или калия. Определено, что степень полидисперсности суспензий на основе лаурата лития в 1,5–2 раза выше, чем в образцах других исследованных суспензий. Применение в качестве инициатора азоизобутиронитрила позволило достичь монодисперсности всех образцов суспензий. Экспериментально установлено, что монодисперсность образцов обусловлена временем образования полимерно-мономерных частиц, сопоставимым со скоростью превращения мономера. Полученные результаты будут использованы при создании мер размеров частиц для хранения и воспроизведения значений размеров частиц в жидкости.</p></abstract><trans-abstract xml:lang="en"><p>The problem of satisfying the needs of the domestic market of the Russian Federation for creating domestic particle size standard reference materials in liquids to ensure uniformity in measurements of the granulometric composition of aerosols and powdery substances is considered. It is known that, under various conditions, monodisperse suspensions of polystyrene latex spheres can be synthesized, both monodisperse and polydisperse samples being obtainable. The effect of the composition and solubility of surfactants in a styrene-based water emulsion on the particle size of suspensions obtained as a result of emulsion polymerization, and their polydispersity, has been investigated. The metrological characteristics of polystyrene suspensions based on sodium, potassium, and lithium laureths synthesized in this study were determined using dynamic light scattering and laser diffraction techniques. It has been found that the size and degree of polydispersity of particles in suspensions based on lauric acid salts is primarily influenced by the solubility of the surfactant and the surface tension of the interfacial layer formed between styrene and water at the time of particle formation. The effect of the rate of reaction, as well as the concentration of surfactants, on the size and polydispersity of the synthesized particles, has been studied. It has been found that when potassium persulfate is used as the initiator in the reaction, particle size distributions are monodisperse for suspensions based on sodium or potassium laureate. The polydispersity degree of lithium laureate-based suspensions is approximately 1.5 to 2 times higher compared to other suspension samples. When azoisobutyronitrile is used as an initiator, all suspensions samples are monodisperse. It has been experimentally determined that the achievement of monodisperse samples is due to the polymer-monomer particle formation time, which is comparable to the monomer transformation rate. The results obtained will be utilized in the development and establishment of particle size standard reference materials for storage and reproduction of particle size values within a liquid medium.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>наночастица</kwd><kwd>полистирольные латексные сферы</kwd><kwd>размер частиц</kwd><kwd>микроэмульсия</kwd><kwd>суспензия</kwd><kwd>мера</kwd><kwd>эмульсионная полимеризация</kwd><kwd>коллоидная частица</kwd></kwd-group><kwd-group xml:lang="en"><kwd>nanoparticle</kwd><kwd>polystyrene latex spheres</kwd><kwd>particle size</kwd><kwd>microemulsion</kwd><kwd>suspension</kwd><kwd>standard sample</kwd><kwd>emulsion polymerization</kwd><kwd>colloidal particle</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Работа выполнена в рамках договора от 19.06.2023 № 1687/23, являющегося составной частью государственного контракта от 17.05.2023 № 120-38/2023 на выполнение опытно-конструкторской работы по теме «Разработка и выпуск новых комплексов стандартных образцов и мер для обеспечения единства измерений по приоритетным направлениям в целях технологического суверенитета Российской Федерации» (шифр ОКР «Суверенитет»).</funding-statement><funding-statement xml:lang="en">The work was carried out within the framework of the agreement dated 06/19/2023 no. 1687/23, which is an integral part of the state contract dated 05/17/2023 no. 120-38/2023 for the implementation of experimental design work on the topic “Development and release of new complexes of standard samples and measures to ensure the uniformity of measurements in priority areas for the purposes of technological sovereignty of the Russian Federation” (code of the Development Work “Sovereignty”).</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">Грицкова И. 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