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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="en"><front><journal-meta><journal-id journal-id-type="publisher-id">chemicallytech</journal-id><journal-title-group><journal-title xml:lang="en">Fine Chemical Technologies</journal-title><trans-title-group xml:lang="ru"><trans-title>Тонкие химические технологии</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2410-6593</issn><issn pub-type="epub">2686-7575</issn><publisher><publisher-name>MIREA – Russian Technological University (RTU MIREA).</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.32362/2410-6593-2017-12-3-28-32</article-id><article-id custom-type="elpub" pub-id-type="custom">chemicallytech-90</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="en"><subject>CHEMISTRY AND TECHNOLOGY OF ORGANIC SUBSTANCES</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>ХИМИЯ И ТЕХНОЛОГИЯ ОРГАНИЧЕСКИХ ВЕЩЕСТВ</subject></subj-group></article-categories><title-group><article-title>ESTERIFICATION OF CITRIC ACID WITH ALIPHATIC ALCOHOLS С2-С5</article-title><trans-title-group xml:lang="ru"><trans-title>ЭТЕРИФИКАЦИЯ ЛИМОННОЙ КИСЛОТЫ АЛИФАТИЧЕСКИМИ СПИРТАМИ С2-С5</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>Сушкова</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Sushkova</surname><given-names>S. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>аспирант кафедры «Технология органического и нефтехимического синтеза» Химико-технологического факультета</p><p>443100, Россия, г. Самара, ул. Молодогвардейская, д. 244</p></bio><bio xml:lang="en"><p>Samara 443100, Russia</p></bio><email xlink:type="simple">sveta_sushkova@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>Леванова</surname><given-names>С. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Levanova</surname><given-names>S. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор химических наук, профессор кафедры «Технология органического и нефтехимического синтеза» Химико-технологического факультета</p><p>443100, Россия, г. Самара, ул. Молодогвардейская, д. 244</p></bio><bio xml:lang="en"><p>Samara 443100, Russia</p></bio><email xlink:type="simple">noemail@neicon.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>Глазко</surname><given-names>И. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Glazko</surname><given-names>I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат химических наук, доцент кафедры «Технология органического и нефтехимического синтеза» Химико-технологического факультета</p><p>443100, Россия, г. Самара, ул. Молодогвардейская, д. 244</p></bio><bio xml:lang="en"><p>Samara 443100, Russia</p></bio><email xlink:type="simple">noemail@neicon.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>Александров</surname><given-names>А. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Alexandrov</surname><given-names>A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>ведущий инженер-технолог</p><p>Россия, 446300, Самарская область, г. Отрадный, Промышленная зона, д. 1</p></bio><bio xml:lang="en"><p>Samara region, Otradny 446300, Russia</p></bio><email xlink:type="simple">noemail@neicon.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Самарский государственный технический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Samara State Technical University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Акционерное общество по производству напольных покрытий «Таркетт»</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Join Stock Company “Tarkett”</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2017</year></pub-date><pub-date pub-type="epub"><day>28</day><month>06</month><year>2017</year></pub-date><volume>12</volume><issue>3</issue><fpage>28</fpage><lpage>32</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Sushkova S.V., Levanova S.V., Glazko I.Л., Alexandrov А.A., 2017</copyright-statement><copyright-year>2017</copyright-year><copyright-holder xml:lang="ru">Сушкова С.В., Леванова С.В., Глазко И.Л., Александров А.Ю.</copyright-holder><copyright-holder xml:lang="en">Sushkova S.V., Levanova S.V., Glazko I., Alexandrov А.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.finechem-mirea.ru/jour/article/view/90">https://www.finechem-mirea.ru/jour/article/view/90</self-uri><abstract><p>There is an ever increasing interest in the production and use of bio-based chemical substances for the preparation of polymeric materials designed to obtain children's toys, medical equipment and materials that are in contact with food. Trifunctional esters of citric acid - trialkyl citrates - obtained by esterification of citric acid with aliphatic alcohols C2-C5 are of hazard class 4, good plasticizing ability, compatibility with the polymer, a high flash temperature. Citric acid (global production of 0.85-1 mtpa) is a readily available raw material obtained from the waste of sugar production. The purpose of the study is to develop a model of citric acid esterification with linear alcohols C2-C5 in the presence of homogeneous acidic catalysts for the creation of a domestic technology for the synthesis of plasticizing compositions based on renewable raw materials. The selected catalyst is sulfuric acid. The correlation of reactivity of the aliphatic alcohols C2-C5 with their structure in the esterification of citric acid was studied. Some kinetic parameters (lnk0, Ea) were estimated. Synthesis modes were proposed. The reaction time of the preparation of trialkyl citrates at 96% conversion of citric acid (t = 90 °C) was calculated. Laboratory samples were obtained and tested. Some operational characteristics were determined.</p></abstract><trans-abstract xml:lang="ru"><p>Существует постоянно растущий интерес к производству и использованию биовозобновляемых химических веществ в производстве полимерных материалов, предназначенных для получения детских игрушек, медицинского оборудования, находящихся в контакте с пищевыми продуктами. Тризамещенные эфиры лимонной кислоты - триалкилцитраты, получаемые этерификацией лимонной кислоты алифатическими спиртами C2-C5, имеют 4 класс опасности, хорошую пластифицирующую способность, совместимость с полимером, высокую температуру вспышки. Лимонная кислота (объем мирового производства 0.85-1 млн. т/год) является доступным сырьем, получаемым из отходов сахарных производств. Цель исследования - разработка модели этерификации лимонной кислоты линейными спиртами С2-С5 на гомогенных кислотных катализаторах для создания отечественной технологии синтеза пластифицирующих композиций на основе возобновляемого сырья. Выбран катализатор - серная кислота; изучена связь реакционной способности алифатических спиртов С2-С5 с их строением в реакции этерификации лимонной кислоты, оценены некоторые кинетические параметры (lnk0, Eакт), предложены режимы синтеза, рассчитано время реакции получения триалкилцитратов при конверсии лимонной кислоты 96% (t = 90 ºС). Наработаны лабораторные образцы и определены некоторые эксплуатационные характеристики.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>лимонная кислота</kwd><kwd>этерификация</kwd><kwd>алифатические спирты</kwd><kwd>серная кислота</kwd></kwd-group><kwd-group xml:lang="en"><kwd>citric acid</kwd><kwd>esterification</kwd><kwd>aliphatic alcohols</kwd><kwd>sulfuric acid</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">Kolah A.A., Asthana N.S., Vu D.T., Lira C.T., Miller D.J. Reaction kinetics of the catalytic esterification of citric acid with ethanol // Ind. &amp; Eng. Chem. Res. 2007. V. 46. P. 3180-3187.</mixed-citation><mixed-citation xml:lang="en">Kolah A.A., Asthana N.S., Vu D.T., Lira C.T., Miller D.J. Reaction kinetics of the catalytic esterification of citric acid with ethanol // Ind. &amp; Eng. Chem. Res. 2007. V. 46. 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