Interconnected macropores cryogel with nano-thin crosslinked network regenerated cellulose.

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ID: 77289
2019
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Ranked #174 of 200 articles by views in International journal of biological macromolecules

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Abstract
Dissolved oil palm empty fruit bunch cellulose (EFBC) and sodium carboxymethylcellulose (NaCMC) were chemically crosslinked with epichlorohydrin (ECH) to generate designated hydrogel. After swelling process in distilled water, the swollen hydrogel was frozen and freeze-dried to form cryogel. The swelling phenomenon of hydrogel during the absorption process gave substantial effects on thinning of crosslinked network wall, pore size and volume, steadiness of cryogel skeletal structure, and re-swelling of cryogel. The swelling effects on hydrogel were confirmed via microscopic study using variable pressure scanning electron microscope (VPSEM). From the retrieved VPSEM images, nano-thin crosslinked network wall of 24.31 ± 1.97 nm and interconnected pores were observed. As a result, the amount of water, the swelling degree, and the freeze-drying process indirectly affected the VPSEM images that indicated pore size and volume, formation of interconnected pores, and re-swelling of cryogel. This study determined the intertwined factors that affected both hydrogel and cryogel properties by investigating the swelling phenomenon and its ensuing effects.
Reference Key
salleh2019interconnectedinternational Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Salleh, Kushairi Mohd;Zakaria, Sarani;Gan, Sinyee;Baharin, Khairunnisa Waznah;Ibrahim, Nur Ain;Zamzamin, Rohana;
Journal International journal of biological macromolecules
Year 2019
DOI
S0141-8130(19)35686-7
URL
Keywords
crosslinked network wall swelling mechanism thinning process

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