Swelling Behaviors of Acrylic-Based Superabsorbent Fibers

Qi Xia Liu; Zhi Rong Ding; Zhen Dong

doi:10.4028/www.scientific.net/AMR.476-478.1331

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Microwave Synthesis and Characterization of Nanoscale Lanthanum Cobaltite
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Adsorption Kinetics of Cr (VI) onto Strong Alkaline Anion Exchange Fiber from Aqueous Solutions
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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 476-478Swelling Behaviors of Acrylic-Based Superabsorbent...

Swelling Behaviors of Acrylic-Based Superabsorbent Fibers

Abstract:

The swelling behaviors of SAF in distilled water and various saline solutions were investigated and the absorption mechanism of SAF was discussed. Emphasises were laid on the effects of swelling time, saline solutions as well as the pH values of solutions on water absorbency of SAF. Results showed that water absorbency of SAF was significantly influenced by ion concentration and ionic valence of saline solutions as well as the pH values of solutions, but it was less affected by swelling time after reaching swelling equilibrium. The absorption mechanism of SAF is consistent with Flory’s theory of network and the osmotic pressure difference between SAF and the external solution is the motive force for swelling of SAF.

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Periodical:

Advanced Materials Research (Volumes 476-478)

Pages:

1331-1335

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.476-478.1331

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Online since:

February 2012

Authors:

Qi Xia Liu, Zhi Rong Ding, Zhen Dong

Keywords:

Hydrogel, Superabsorbent Fiber (SAF), Swelling, Water Absorbency

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