Abstract
Differences in morphology, pH, and electric charge of chitosan (CS) based hydrogels prepared by complexation with carboxymethylcellulose (CMC), carboxymethylated starch (CMS), and alginic acid (AA) at different polymers ratios and changing the order of addition were studied. CMC/CS and AA/CS hydrogels were amorphous and porous three-dimensional networks, with smaller pores at higher anionic polymer/CS ratios. Gelation time increased the agglomeration in the case of CMC/CS and CMS/CS gels. CMC/CS gels showed negative zeta potential values around -372 mV to -51 mV and CMS/CS gels in the range of -526 mV and -158 mV.
Original language | English |
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Article number | 3085691 |
Journal | International Journal of Chemical Engineering |
Volume | 2019 |
DOIs | |
State | Published - 2019 |
Bibliographical note
Funding Information:2e authors are grateful to the Alianza del Pacifico México for the financial support of the research stay at the Departamento de Madera, Celulosa y Papel of the Uni-versidad de Guadalajara. 2e authors also acknowledge the support provided by Colciencias for financing the researcher and CIDI (UPB) for the financial support through internal project.
Publisher Copyright:
© 2019 Elizabeth Henao Mejía et al.