<?xml version="1.0" encoding="ISO-8859-1"?><article 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">
<front>
<journal-meta>
<journal-id>1405-7743</journal-id>
<journal-title><![CDATA[Ingeniería, investigación y tecnología]]></journal-title>
<abbrev-journal-title><![CDATA[Ing. invest. y tecnol.]]></abbrev-journal-title>
<issn>1405-7743</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional Autónoma de México, Facultad de Ingeniería]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1405-77432024000300106</article-id>
<article-id pub-id-type="doi">10.22201/fi.25940732e.2024.25.3.022</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Efecto del glutaraldehído en las propiedades viscoelásticas de hidrogeles de carboximetilcelulosa]]></article-title>
<article-title xml:lang="en"><![CDATA[Effect of the glutaraldehyde on the viscoelastic properties of carboxymethyl cellulose hydrogels]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Juárez-Hernández]]></surname>
<given-names><![CDATA[Jocelyn Arlet]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Subervier-Ortiz]]></surname>
<given-names><![CDATA[Laura]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Villanueva-Ibáñez]]></surname>
<given-names><![CDATA[Maricela]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Farfan-Cabrera]]></surname>
<given-names><![CDATA[Leonardo Israel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Pascual-Francisco]]></surname>
<given-names><![CDATA[Juan Benito]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Jaramillo-Loranca]]></surname>
<given-names><![CDATA[Blanca Estela]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Politécnica de Pachuca Departamento de Mecatrónica ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Politécnica de Pachuca Laboratorio de Nanotecnología, Sistemas Biológicos y Aplicaciones Industriales ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Politécnica de Pachuca Laboratorio de Nanotecnología, Sistemas Biológicos y Aplicaciones Industriales ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Tecnológico de Monterrey Escuela de Ingeniería y Ciencias ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af5">
<institution><![CDATA[,Universidad Politécnica de Pachuca Departamento de Mecatrónica ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af6">
<institution><![CDATA[,Universidad Politécnica de Pachuca Laboratorio de Nanotecnología, Sistemas Biológicos y Aplicaciones Industriales ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2024</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2024</year>
</pub-date>
<volume>25</volume>
<numero>3</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1405-77432024000300106&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1405-77432024000300106&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1405-77432024000300106&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen En este trabajo se estudia el comportamiento de fluencia lenta (creep) en hidrogeles de carboximetilcelulosa con diferentes niveles de concentración de glutaraldehído (3 %, 4 % y 5 %) como entrecruzante. Se realizaron pruebas de fluencia lenta a 20 °C con un esfuerzo constante de tensión de 0.025 MPa, con duración de 20 minutos. La medición de las deformaciones unitarias a lo largo del tiempo se llevó a cabo con un equipo de correlación digital de imágenes, el cual permite la medición de deformaciones de campo completo. Las curvas características de creep obtenidas se ajustaron al modelo reológico de Burgers para determinar los parámetros viscoelásticos de los hidrogeles estudiados. Comparando los parámetros viscoelásticos de los hidrogeles, se observó que el porcentaje de concentración de glutaraldehído afecta las propiedades elásticas y viscosas de este tipo de materiales. En general, se observó una disminución de los parámetros elásticos y viscosos con el aumento de la concentración de glutaraldehído.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract In this work the creep behavior of carboxymethyl cellulose hydrogels with different concentration of glutaraldehyde (3 %, 4 % and 5 %) as crosslinker is studied. Creep tests at 20 °C, with a tension constant stress of 0.025 MPa and 20 minutes-duration were carried out. Creep strain measurement during the tests time was conducted using the digital image correlation technique, which allows to measure the whole-field strain maps. The obtained characteristic creep curves were fitted to the rheological burgers model in order to determine the viscoelastic parameters of the tested hydrogels. By comparing the calculated viscoelastic parameters, it was observed that the concentration of glutaraldehyde as crosslinker affects the elastic and viscous properties of the hydrogels. Overall, it was found that the viscoelastic parameters of the hydrogels decrease with the percentage of glutaraldehyde.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Hidrogel]]></kwd>
<kwd lng="es"><![CDATA[carboximetilcelulosa]]></kwd>
<kwd lng="es"><![CDATA[glutaraldehído]]></kwd>
<kwd lng="es"><![CDATA[curva de creep]]></kwd>
<kwd lng="es"><![CDATA[parámetros viscoelásticos]]></kwd>
<kwd lng="en"><![CDATA[Hydrogel]]></kwd>
<kwd lng="en"><![CDATA[carboxymethyl cellulose]]></kwd>
<kwd lng="en"><![CDATA[glutaraldehyde]]></kwd>
<kwd lng="en"><![CDATA[creep curve]]></kwd>
<kwd lng="en"><![CDATA[viscoelastic parameters]]></kwd>
</kwd-group>
</article-meta>
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