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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">plasticnews</journal-id><journal-title-group><journal-title xml:lang="ru">Пластические массы</journal-title><trans-title-group xml:lang="en"><trans-title>Plasticheskie massy</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">0554-2901</issn><publisher><publisher-name>PLASTMASSY Publishing House (Moscow)</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.35164/0554-2901-2022-9-10-35-39</article-id><article-id custom-type="elpub" pub-id-type="custom">plasticnews-790</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>АНАЛИЗ И МЕТОДЫ РАСЧЁТА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ANALYSIS AND CALCULATION METHODS</subject></subj-group></article-categories><title-group><article-title>Экспресс-метод обнаружения дефектов у половолоконных мембран из полисульфона с различной пористой структурой</article-title><trans-title-group xml:lang="en"><trans-title>Express method for detecting defects in polysulfone hollow fiber membranes with different porous structures</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>Матвеев</surname><given-names>Д. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Matveev</surname><given-names>D. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Институт нефтехимического синтеза им. А. В. Топчиева (ИНХС РАН)</p><p>Москва</p></bio><bio xml:lang="en"><p>A. V. Topchiev Institute of Petrochemical Synthesis</p><p>Moscow</p></bio><email xlink:type="simple">dmatveev@ips.ac.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>Борисов</surname><given-names>И. Л.</given-names></name><name name-style="western" xml:lang="en"><surname>Borisov</surname><given-names>I. L.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Институт нефтехимического синтеза им. А. В. Топчиева</p><p>Москва</p></bio><bio xml:lang="en"><p>A. V. Topchiev Institute of Petrochemical Synthesis</p><p>Moscow</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Кутузов</surname><given-names>К. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Kutuzov</surname><given-names>K. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Институт нефтехимического синтеза им. А. В. Топчиева (ИНХС РАН)</p><p>Москва</p></bio><bio xml:lang="en"><p>A. V. Topchiev Institute of Petrochemical Synthesis</p><p>Moscow</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Василевский</surname><given-names>В. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Vasilevsky</surname><given-names>V. P.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Институт нефтехимического синтеза им. А. В. Топчиева (ИНХС РАН)</p><p>Москва</p></bio><bio xml:lang="en"><p>A. V. Topchiev Institute of Petrochemical Synthesis</p><p>Moscow</p></bio><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Российская академия наук</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Russian Academy of Sciences</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2022</year></pub-date><pub-date pub-type="epub"><day>30</day><month>11</month><year>2022</year></pub-date><volume>0</volume><issue>9-10</issue><fpage>35</fpage><lpage>39</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Матвеев Д.Н., Борисов И.Л., Кутузов К.А., Василевский В.П., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Матвеев Д.Н., Борисов И.Л., Кутузов К.А., Василевский В.П.</copyright-holder><copyright-holder xml:lang="en">Matveev D.N., Borisov I.L., Kutuzov K.A., Vasilevsky V.P.</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.plastics-news.ru/jour/article/view/790">https://www.plastics-news.ru/jour/article/view/790</self-uri><abstract><p>   Предложен новый метод электропорометрии, позволяющий непрерывно исследовать протяженные участки половолоконной мембраны. Были получены образцы половолоконных мембран из полисульфона с различной пористой структурой: пальцевидной и губчатой. Данные мембраны были исследованы на лабораторной электропорометрической установке при непрерывном сканировании по длине образца половолоконной мембраны при высоком напряжении 15 кВ. У данных половолоконных мембран предложенным методом электропорометрии были обнаружены дефекты, природа которых затем исследовалась с применением сканирующей электронной микроскопии. Была обнаружена связь размера обнаруживаемого дефекта с величиной cигнала тока коронного разряда: чем больше дефект, тем больше абсолютное значение тока. Показано, что предложенный метод может эффективно использоваться в качестве экспресс-метода для исследования однородности пористой структуры половолоконных мембран на протяженных участках с геометрической локализацией возможных дефектов.</p></abstract><trans-abstract xml:lang="en"><p>   A new method of electroprometry has been proposed that allows continuous investigation of extended sections of a hollow fiber membrane. Samples of polysulfone hollow fiber membranes with different porous structures were obtained: finger-shaped and spongy. These membranes were examined on a laboratory electroprometric apparatus with continuous scanning along the length of the hollow fiber membrane sample at a high voltage of 15 kV. Defects were detected in these hollow fiber membranes by the proposed method of electroporometry, the nature of which was then investigated using scanning electron microscopy. A correlation was found between the size of the detected defect and the magnitude of the corona discharge current signal: the larger the defect, the greater the absolute value of the current. It is shown that the proposed method can be effectively used as an express method to study the homogeneity of the porous structure of hollow fiber membranes in extended areas with geometrical localization of possible defects.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>экспресс-метод</kwd><kwd>пористая структура</kwd><kwd>электрические поля высокой напряженности</kwd><kwd>полимерные половолоконные мембраны</kwd></kwd-group><kwd-group xml:lang="en"><kwd>express method</kwd><kwd>porous structure</kwd><kwd>polymer hollow fiber membranes</kwd><kwd>high-intensity electric fields</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Исследование выполнено при финансовой поддержке РФФИ в рамках научного проекта № 20-08-00814</funding-statement><funding-statement xml:lang="en">The research was carried out with the financial support of the RFBR as part of the scientific project No. 20-08-00814</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">Zhang Y., Fu Q., Algal fouling of microfi ltration and ultrafiltration membranes and control strategies: A review (2018). 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