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  <front>
    <journal-meta>
      <journal-id journal-id-type="issn">0536-1036</journal-id>
      <journal-title-group>
        <journal-title xml:lang="ru">Известия высших учебных заведений. Лесной журнал</journal-title>
        <journal-title xml:lang="en">Lesnoy Zhurnal (Russian Forestry Journal)</journal-title>
      </journal-title-group>
      <publisher>
        <publisher-name>ФГАОУ ВО «Северный (Арктический) федеральный университет имени М.В. Ломоносова»</publisher-name>
      </publisher>
    </journal-meta>
    <article-meta>
      <article-id pub-id-type="doi">10.37482/0536-1036-2026-3-133-149</article-id>
      <article-id pub-id-type="uri">https://journals.narfu.ru/index.php/fj/article/view/2381</article-id>
      <title-group>
        <article-title xml:lang="ru">Биорефайнинг древесного сырья: получение биоадгезива на основе гемицеллюлоз</article-title>
        <trans-title-group xml:lang="en">
          <trans-title>Biorefining of Wood Feedstock: Production of a Hemicellulose-Based Bioadhesive</trans-title>
        </trans-title-group>
      </title-group>
      <contrib-group>
        <contrib contrib-type="author" corresp="yes">
          <name name-style="eastern">
            <surname>Пименов</surname>
            <given-names>С.Д.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Пименов</surname>
              <given-names>С.Д.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Pimenov</surname>
              <given-names>Sergey D.</given-names>
            </name>
          </name-alternatives>
          <email>chudopim@mail.ru</email>
          <contrib-id contrib-id-type="orcid">0000-0001-6042-0021</contrib-id>
          <contrib-id contrib-id-type="researcherid">AAC-9435-2020</contrib-id>
          <xref ref-type="aff" rid="aff1"/>
        </contrib>
        <contrib contrib-type="author">
          <name name-style="eastern">
            <surname>Сизов</surname>
            <given-names>А.И.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Сизов</surname>
              <given-names>А.И.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Sizov</surname>
              <given-names>Alexander I.</given-names>
            </name>
          </name-alternatives>
                   <contrib-id contrib-id-type="orcid">0000-0001-9412-5557</contrib-id>
          <contrib-id contrib-id-type="researcherid">AAI-2030-2020</contrib-id>
          <xref ref-type="aff" rid="aff1"/>
        </contrib>
        <contrib contrib-type="author">
          <name name-style="eastern">
            <surname>Кручина-Богданов</surname>
            <given-names>И.В.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Кручина-Богданов</surname>
              <given-names>И.В.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Kruchina-Bogdanov</surname>
              <given-names>Igor V.</given-names>
            </name>
          </name-alternatives>
          <email>igogo011@gmail.com</email>
          <contrib-id contrib-id-type="orcid">0000-0001-5779-5404</contrib-id>
          <contrib-id contrib-id-type="researcherid">JTU-2141-2023</contrib-id>
          <xref ref-type="aff" rid="aff2"/>
        </contrib>
        <contrib contrib-type="author">
          <name name-style="eastern">
            <surname>Добровольский</surname>
            <given-names>А.А.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Добровольский</surname>
              <given-names>А.А.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Dobrovolsky</surname>
              <given-names>Alexander A.</given-names>
            </name>
          </name-alternatives>
		  <email>alexander-83@yandex.ru</email>
          <contrib-id contrib-id-type="orcid">0000-0002-6816-4912</contrib-id>
          <contrib-id contrib-id-type="researcherid">ABF-7706-2020</contrib-id>
          <xref ref-type="aff" rid="aff1"/>
        </contrib>
        <contrib contrib-type="author">
          <name name-style="eastern">
            <surname>Мамбетова</surname>
            <given-names>С.Р.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Мамбетова</surname>
              <given-names>С.Р.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Mambetova</surname>
              <given-names>Sofya R.</given-names>
            </name>
          </name-alternatives>
          <email>sofya.mam@icloud.com</email>
          <contrib-id contrib-id-type="orcid">0000-0003-4617-7824</contrib-id>
          <contrib-id contrib-id-type="researcherid">OVZ-9120-2025</contrib-id>
          <xref ref-type="aff" rid="aff1"/>
        </contrib>
        <aff-alternatives id="aff1">
          <aff>
            <institution xml:lang="ru">Санкт-Петербургский государственный лесотехнический университет им. С.М. Кирова (Санкт-Петербург, Россия)</institution>
          </aff>
          <aff>
            <institution xml:lang="en">Saint Petersburg State Forest Technical University (Saint Petersburg, Russia)</institution>
          </aff>
        </aff-alternatives>
        <aff-alternatives id="aff2">
          <aff>
            <institution xml:lang="ru">ООО «АМТ» (Санкт-Петербург, Россия)</institution>
          </aff>
          <aff>
            <institution xml:lang="en">OOO "AMT" (Saint Petersburg, Russia)</institution>
          </aff>
        </aff-alternatives>
      </contrib-group>
      <pub-date pub-type="epub" iso-8601-date="2026-06-15">
        <day>15</day>
        <month>06</month>
        <year>2026</year>
      </pub-date>
      <pub-date date-type="collection">
        <year>2026</year>
      </pub-date>
      <issue>3</issue>
      <fpage>133</fpage>
      <lpage>149</lpage>
      <history>
        <date date-type="received" iso-8601-date="2025-11-20">
          <day>20</day>
          <month>11</month>
          <year>2025</year>
        </date>
        <date date-type="accepted" iso-8601-date="2026-02-09">
          <day>09</day>
          <month>02</month>
          <year>2026</year>
        </date>
        <date date-type="rev-recd" iso-8601-date="2026-02-05">
          <day>05</day>
          <month>02</month>
          <year>2026</year>
        </date>
      </history>
      <permissions>
        <copyright-statement>© Пименов С.Д., Сизов А.И., Кручина-Богданов И.В., Добровольский А.А., Мамбетова С.Р., 2026</copyright-statement>
        <copyright-year>2026</copyright-year>
        <copyright-holder xml:lang="ru">Пименов С.Д., Сизов А.И., Кручина-Богданов И.В., Добровольский А.А., Мамбетова С.Р.</copyright-holder>
        <copyright-holder xml:lang="en">Pimenov S.D., Sizov A.I., Kruchina-Bogdanov I.V., Dobrovolsky A.A., Mambetova S.R.</copyright-holder>
        <license xlink:href="https://creativecommons.org/licenses/by/4.0/">
          <license-p>CC BY 4.0</license-p>
        </license>
      </permissions>
      <self-uri xlink:type="simple" xlink:href="https://journals.narfu.ru/index.php/fj/article/view/2381">https://journals.narfu.ru/index.php/fj/article/view/2381</self-uri>
      <abstract xml:lang="ru">
        <p>Разработана ресурсоэффективная технология биорефайнинга лигноцеллюлозного сырья, направленная на получение древесной дегидратационной смолы – биоадгезива. Процесс реализуется прямым способом из гемицеллюлоз посредством парофазного гидролиза и последующей сушки в кислородсодержащей среде и пригоден для масштабирования. Показано, что при сушке гидролизат-массы протекает кислотно-катализируемая дегидратация пентоз с образованием реакционноспособных углеводных интермедиатов и их последующей олигомеризации/карбонизации («гуминоподобные» конденсаты); средняя молекулярная масса водорастворимых продуктов возрастает с ~195 до ~296 Да. По данным FTIR, происходит дегидратация углеводной фазы (ослабление OH-полос 3350–3400 см⁻¹ и C–O/C–O–C-полос 1150–1040 см⁻¹) и карбонильных групп (1705–1710 см⁻¹), а по данным ¹³C ЯМР – увеличение вкладов C=O и O-алкил-центров не сопровождается появлением отчетливых ароматических или фурановых сигнатур, что соответствует формированию конденсированной «гуминоподобной» сети. Смола отверждается при 180 °C за 22–27 с; при введении H₂SO₄ ≥6 % (от сухого вещества смолы) после желатинизации образуется водонерастворимая масса. На основе древесной дегидратационной смолы получены древесноволокнистые плиты высокой плотности с повышенной водостойкостью (разбухание 6–21 % за 24 ч), что сопоставимо с современными биоадгезивами и превосходит типичные составы по стойкости к воде. Эмиссия формальдегида по методу WKI составила 1,7 мг/100 г. Результаты соотносятся с текущими трендами биоадгезивов на основе лигнина, танинов и полисахаридов, демонстрируя возможность полного отказа от формальдегида при приемлемых физико-механических свойствах готового продукта.</p>
      </abstract>
      <trans-abstract xml:lang="en">
        <p>A resource-efficient biorefining technology for lignocellulosic feedstock has been developed to obtain a wood dehydration resin (WDR) as a bio-adhesive. The process is implemented directly from hemicelluloses via steam-phase hydrolysis followed by drying in an oxygen-containing atmosphere and is suitable for industrial scale. It was demonstrated that when drying of the hydrolysate mass, acid-catalyzed dehydration of pentoses occurs with the formation of reactive carbohydrate intermediates and their subsequent oligomerization/carbonization ("humic-like" condensates); the average molecular weight of water-soluble products increases from ~195 to ~296 Da. FTIR data register signatures of dehydration of the carbohydrate phase (attenuation of OH bands at 3350–3400 cm⁻¹ and C–O/C–O–C bands at 1150–1040 cm⁻¹) and an increase in carbonyl groups (1705–1710 cm⁻¹), while ¹³C NMR shows increased contributions of C=O and O-alkyl centers without distinct aromatic or furan signatures, consistent with the formation of a condensed humic-like network. The resin gelating was observed at 180 °C within 22–27 s; upon addition of H₂SO₄ ≥ 6 % (based on resin solids) the gel becomes water-insoluble. High-density fiberboards (HDF) produced with the resin exhibited enhanced water resistance (thickness swelling 6–21 % after 24 h), which is comparable to modern bio-adhesives and outperforms typical starch-based formulations in water resistance. Formaldehyde emission by the WKI method was as low as 1.7 mg/100 g. These results align with current trends in lignin-, tannin-, and polysaccharide-based bio-adhesives, demonstrating the possibility of eliminating formaldehyde while maintaining acceptable physico-mechanical properties.</p>
      </trans-abstract>
      <kwd-group xml:lang="ru">
        <title>Ключевые слова</title>
        <kwd>биорефайнинг</kwd>
        <kwd>древесные композиционные материалы</kwd>
        <kwd>клеевые массы</kwd>
        <kwd>дегидратация</kwd>
        <kwd>олигомеризация</kwd>
        <kwd>гидролиз гемицеллюлоз</kwd>
        <kwd>биоэкономика</kwd>
        <kwd>возобновляемое сырье</kwd>
      </kwd-group>
      <kwd-group xml:lang="en">
        <title>Keywords</title>
        <kwd>biorefining</kwd>
        <kwd>wood-based composites</kwd>
        <kwd>adhesive systems</kwd>
        <kwd>dehydration</kwd>
        <kwd>oligomerization</kwd>
        <kwd>hemicellulose hydrolysis</kwd>
        <kwd>bioeconomy</kwd>
        <kwd>renewable feedstock</kwd>
      </kwd-group>
    </article-meta>
  </front>
  <body/>
  <back>
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