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 <front>
  <journal-meta>
   <journal-id journal-id-type="publisher-id">Herald of Technological University</journal-id>
   <journal-title-group>
    <journal-title xml:lang="en">Herald of Technological University</journal-title>
    <trans-title-group xml:lang="ru">
     <trans-title>ВЕСТНИК ТЕХНОЛОГИЧЕСКОГО УНИВЕРСИТЕТА</trans-title>
    </trans-title-group>
   </journal-title-group>
   <issn publication-format="print">3034-4689</issn>
  </journal-meta>
  <article-meta>
   <article-id pub-id-type="publisher-id">62195</article-id>
   <article-categories>
    <subj-group subj-group-type="toc-heading" xml:lang="ru">
     <subject>ХИМИЯ, ТЕХНОЛОГИЯ И ИСПОЛЬЗОВАНИЕ ПОЛИМЕРОВ</subject>
    </subj-group>
    <subj-group subj-group-type="toc-heading" xml:lang="en">
     <subject></subject>
    </subj-group>
    <subj-group>
     <subject>ХИМИЯ, ТЕХНОЛОГИЯ И ИСПОЛЬЗОВАНИЕ ПОЛИМЕРОВ</subject>
    </subj-group>
   </article-categories>
   <title-group>
    <article-title xml:lang="en">CONFORMATION OF LINEAR POLYMERIC CHAINS AT THE INTERFACE LAYER LIQUID / SOLID AND ADSORPTION ISOTHERM</article-title>
   </title-group>
   <contrib-group content-type="authors">
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Medvedevskikh</surname>
       <given-names>Yu G</given-names>
      </name>
      <name xml:lang="en">
       <surname>Medvedevskikh</surname>
       <given-names>Yu G</given-names>
      </name>
     </name-alternatives>
     <xref ref-type="aff" rid="aff-1"/>
    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Khovanets’</surname>
       <given-names>G I</given-names>
      </name>
      <name xml:lang="en">
       <surname>Khovanets’</surname>
       <given-names>G I</given-names>
      </name>
     </name-alternatives>
     <xref ref-type="aff" rid="aff-2"/>
    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Abzaldinov</surname>
       <given-names>Kh S</given-names>
      </name>
      <name xml:lang="en">
       <surname>Abzaldinov</surname>
       <given-names>Kh S</given-names>
      </name>
     </name-alternatives>
     <xref ref-type="aff" rid="aff-3"/>
    </contrib>
    <contrib contrib-type="author">
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Zaikov</surname>
       <given-names>G E</given-names>
      </name>
      <name xml:lang="en">
       <surname>Zaikov</surname>
       <given-names>G E</given-names>
      </name>
     </name-alternatives>
     <email>ov_stoyanov@mail.ru</email>
     <xref ref-type="aff" rid="aff-4"/>
    </contrib>
   </contrib-group>
   <aff-alternatives id="aff-1">
    <aff>
     <institution xml:lang="ru">Physical Chemistry of Combustible Minerals Department, Institute of Physical–Organic Chemistry &amp; Coal Chemistry named after L. M. Lytvynenko, National Academy of Sciences of Ukraine</institution>
     <country>ru</country>
    </aff>
    <aff>
     <institution xml:lang="en">Physical Chemistry of Combustible Minerals Department, Institute of Physical–Organic Chemistry &amp; Coal Chemistry named after L. M. Lytvynenko, National Academy of Sciences of Ukraine</institution>
     <country>ru</country>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-2">
    <aff>
     <institution xml:lang="ru">Physical Chemistry of Combustible Minerals Department, Institute of Physical–Organic Chemistry &amp; Coal Chemistry named after L. M. Lytvynenko, National Academy of Sciences of Ukraine</institution>
     <country>ru</country>
    </aff>
    <aff>
     <institution xml:lang="en">Physical Chemistry of Combustible Minerals Department, Institute of Physical–Organic Chemistry &amp; Coal Chemistry named after L. M. Lytvynenko, National Academy of Sciences of Ukraine</institution>
     <country>ru</country>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-3">
    <aff>
     <institution xml:lang="ru">Kazan National Research Technological University, Department of Plastics Technology</institution>
     <country>ru</country>
    </aff>
    <aff>
     <institution xml:lang="en">Kazan National Research Technological University, Department of Plastics Technology</institution>
     <country>ru</country>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-4">
    <aff>
     <institution xml:lang="ru">Kazan National Research Technological University, Department of Plastics Technology</institution>
     <country>ru</country>
    </aff>
    <aff>
     <institution xml:lang="en">Kazan National Research Technological University, Department of Plastics Technology</institution>
     <country>ru</country>
    </aff>
   </aff-alternatives>
   <pub-date publication-format="print" date-type="pub" iso-8601-date="2025-08-01T13:59:41+03:00">
    <day>01</day>
    <month>08</month>
    <year>2025</year>
   </pub-date>
   <pub-date publication-format="electronic" date-type="pub" iso-8601-date="2025-08-01T13:59:41+03:00">
    <day>01</day>
    <month>08</month>
    <year>2025</year>
   </pub-date>
   <volume>16</volume>
   <issue>24</issue>
   <fpage>74</fpage>
   <lpage>81</lpage>
   <history>
    <date date-type="received" iso-8601-date="2023-04-20T14:19:37+03:00">
     <day>20</day>
     <month>04</month>
     <year>2023</year>
    </date>
   </history>
   <self-uri xlink:href="https://vestniktu.ru/en/nauka/article/62195/view">https://vestniktu.ru/en/nauka/article/62195/view</self-uri>
   <abstract xml:lang="ru">
    <p>Использована концепция объемной формы адсорбции полимерных цепей, в соответствии с которой их “закрепление” на поверхности адсорбента осуществляется за счет небольшого количества концевых связей, образующих связи Лэнгмюра с активными центрами адсорбента. На основе разработанной ранее для растворов статистики случайных блужданий без самопересечения были получены выражения для конформационных радиусов и свободных энергий полимерных цепей в разбавленных и концентрированных адсорбционных слоях. Свободная энергия конформации учитывалась при определении химического потенциала полимерной цепи в растворе и адсорбционном слое. На ее основе было получено общее выражение для изотермы адсорбции, которое содержит изменение свободной энергии конформации при переходе цепи от раствора в адсорбционный слой. Проанализированы частные случаи общей изотермы адсорбции и показано, что они дают истинное описание типичных экспериментально наблюдаемых изотерм адсорбции.</p>
   </abstract>
   <trans-abstract xml:lang="en">
    <p>A conception about volumetric form of the adsorption of polymeric chains has been used accordingly to which their «anchor» fit on the surface of the adsorbent is realized by a little number of the end links forming the Langmuir connection with the active centers of the adsorbent. On a basis of the self–avoiding random walks statistics developed earlier for the solutions, the expressions for the conformational radiuses and for the free energies of polymeric chains in adsorptive diluted and concentrated layers were obtained. Free energy of the conformation included in the determination of the chemical potential of the polymeric chain in solution and adsorption layer. On its basis it was obtained a general expression for the adsorption isotherm which contains a change of the free conformation energy under transition of a chain from the solution into the adsorptive layer. The partial variants of the general adsorption isotherm were analyzed and it was shown that they give a true description of typical experimentally observed adsorption isotherms. </p>
   </trans-abstract>
   <kwd-group xml:lang="ru">
    <kwd>polymeric chains</kwd>
    <kwd>conformation</kwd>
    <kwd>adsorption isotherm</kwd>
    <kwd>interface layer</kwd>
    <kwd>полимерные цепи</kwd>
    <kwd>конформация</kwd>
    <kwd>изотермы адсорбции</kwd>
    <kwd>межфазный слой</kwd>
   </kwd-group>
   <kwd-group xml:lang="en">
    <kwd>polymeric chains</kwd>
    <kwd>conformation</kwd>
    <kwd>adsorption isotherm</kwd>
    <kwd>interface layer</kwd>
    <kwd>полимерные цепи</kwd>
    <kwd>конформация</kwd>
    <kwd>изотермы адсорбции</kwd>
    <kwd>межфазный слой</kwd>
   </kwd-group>
  </article-meta>
 </front>
 <body>
  <p></p>
 </body>
 <back>
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