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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">vestich</journal-id><journal-title-group><journal-title xml:lang="ru">Известия Национальной академии наук Беларуси. Серия химических наук</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of the National Academy of Sciences of Belarus, Chemical Series</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1561-8331</issn><issn pub-type="epub">2524-2342</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">10.29235/1561-8331-2018-54-1-118-125</article-id><article-id custom-type="elpub" pub-id-type="custom">vestich-311</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>ТЕХНИЧЕСКАЯ ХИМИЯ И ХИМИЧЕСКАЯ ТЕХНОЛОГИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>TECHNICAL CHEMISTRY AND CHEMICAL ENGINEERING</subject></subj-group></article-categories><title-group><article-title>ВЛИЯНИЕ СТРУКТУРООБРАЗУЮЩИХ ДОБАВОК НА ВОДО- И СОЛЕСТОЙКОСТЬ МАГНЕЗИАЛЬНЫХ ВЯЖУЩИХ</article-title><trans-title-group xml:lang="en"><trans-title>THE INFLUENCE OF THE STRUCTURAL CHARACTERISTICS OF MAGNESIA BINDERS ON THEIR WATER AND SALT RESISTANCE</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>Белоус</surname><given-names>Н. Х.</given-names></name><name name-style="western" xml:lang="en"><surname>Belous</surname><given-names>N. Ch.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. хим. наук, ст. науч. сотрудник</p><p>ул. Сурганова, 9, к.1, 220072, Минск</p></bio><bio xml:lang="en"><p>Ph. D. (Chemistry), Senior researcher</p><p>9/1, Surganov Str., 220072, Minsk</p></bio><email xlink:type="simple">rodtsevich@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>Родцевич</surname><given-names>С. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Rodtsevich</surname><given-names>S. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>науч. сотрудник</p><p>ул. Сурганова, 9, к.1, 220072, Минск</p></bio><bio xml:lang="en"><p>Researcher</p><p>9/1, Surganov Str., 220072, Minsk</p></bio><email xlink:type="simple">rodtsevich@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>Опанасенко</surname><given-names>О. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Opanasenko</surname><given-names>O. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. хим. наук, зав. лаб. нефтяных и органоминеральных дисперсий</p><p>ул. Сурганова, 9, к.1, 220072 Минск</p></bio><bio xml:lang="en"><p>Ph. D. (Chemistry), Head of the Laboratory</p><p>9/1, Surganov Str., 220072, Minsk</p></bio><email xlink:type="simple">ionch@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>Крутько</surname><given-names>Н. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Krutko</surname><given-names>N. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>академик, д-р хим. наук, зав. отделом композиционных материалов</p><p>ул. Сурганова, 9, к.1, 220072, Минск</p></bio><bio xml:lang="en"><p>Academician, D. Sc. (Chemistry), Professor, Head of the Department</p><p>9/1, Surganov Str., 220072, Minsk</p></bio><email xlink:type="simple">krutko@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>Смычник</surname><given-names>А. Д.</given-names></name><name name-style="western" xml:lang="en"><surname>Smychnik</surname><given-names>A. D.</given-names></name></name-alternatives><bio xml:lang="ru"><p>член-корреспондент, д-р техн. наук, профессор, техн. директор</p><p>ул. Кутузова, 26, 236010, Калининград</p></bio><bio xml:lang="en"><p>Corresponding Member, D. Sc. (Engineering), Professor, Engineering Director</p><p>26, Kutuzov Str., 236010, Kaliningrad</p></bio><email xlink:type="simple">an.smy@k-potash.ru</email><xref ref-type="aff" rid="aff-2"/></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>ООО «К-Поташ Сервис»</institution></aff><aff xml:lang="en"><institution>OOO “K-Potasch Servis”</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2018</year></pub-date><pub-date pub-type="epub"><day>06</day><month>03</month><year>2018</year></pub-date><volume>54</volume><issue>1</issue><fpage>118</fpage><lpage>125</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Белоус Н.Х., Родцевич С.П., Опанасенко О.Н., Крутько Н.П., Смычник А.Д., 2018</copyright-statement><copyright-year>2018</copyright-year><copyright-holder xml:lang="ru">Белоус Н.Х., Родцевич С.П., Опанасенко О.Н., Крутько Н.П., Смычник А.Д.</copyright-holder><copyright-holder xml:lang="en">Belous N.C., Rodtsevich S.P., Opanasenko O.N., Krutko N.P., Smychnik A.D.</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://vestichem.belnauka.by/jour/article/view/311">https://vestichem.belnauka.by/jour/article/view/311</self-uri><abstract><p>Исследовано влияние аморфного кремнезема, пластификатора, гидрофобизатора и комплексных гидрофобно-пластифицирующих добавок на структурные характеристики, физико-механические, гидрофизические свойства и коррозионную стойкость магнезиальных вяжущих. Проведено сопоставление некоторых структурных параметров (средней, истинной плотности, коэффициента плотности, общей, открытой, закрытой пористости) с прочностью при сжатии, водо- и солепоглощением, водо- и солестойкостью материалов. Показано, что введение в них аморфного кремнезема способствует формированию водостойких магнезиально-кремнеземистых структур, кольматации порового пространства кремниевой кислотой и небольшому увеличению закрытой пористости, а использование пластификатора, гидрофобизатора и комплексных гидрофобно-пластифицирующих добавок – повышению плотности магнезиальных структур, существенному увеличению, в результате образования на поверхности твердых фаз мозаичных гидрофобных пленок, их закрытой пористости, оказывающей положительное влияние на технологические свойства магнезиальных материалов. </p></abstract><trans-abstract xml:lang="en"><p>The influence of amorphous silica, plasticizer, water-repelling agent and integrated hydrophobic plasticizing additives on structural characteristics, physico-mechanical, hydrophysical characteristics and salt resistance of magnesia binders was studied. Some of the structural parameters (average and true density; density coefficient; total, open and closed porosity) were matched to compressive strength, water and salt absorption, water and salt resistance of the materials. It is shown that the introduction of the amorphous silica contributes to the forming of water resistant magnesium-siliceous structures, clogging of the pore space of silicic acid and small increase of closed porosity, and the use of a plasticizer, water-repelling agent and integrated hydrophobic plasticizers - to increase of the density of magnesia structures, a substantial increase in closed porosity as the result of the forming of the solid mosaic hydrophobic films on the surface, which has a positive effect on many of the technological characteristics of magnesia materials. </p></trans-abstract><kwd-group xml:lang="ru"><kwd>магнезиальные вяжущие</kwd><kwd>аморфный кремнезем</kwd><kwd>пластификатор</kwd><kwd>структурные характеристики</kwd><kwd>водостойкость</kwd><kwd>солестойкость</kwd><kwd>плотность</kwd><kwd>пористость</kwd></kwd-group><kwd-group xml:lang="en"><kwd>magnesia binders</kwd><kwd>amorphous silica</kwd><kwd>plasticizer</kwd><kwd>structural characteristics</kwd><kwd>water resistance</kwd><kwd>salt resistance</kwd><kwd>density</kwd><kwd>porosity</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">Устинова, Ю. 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