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Synthesis and Swelling Behaviors of Wheat Straw Cellulose-g-Poly (Potassium Acrylate)/PDMDAAC Amphoteric Semi-IPNs Superabsorbent Resin

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Abstract:

A novel superabsorbent resin (SAR) which was called wheat straw cellulose-g-poly (potassium acrylate)/poly-diallyl dimethyl ammonium-chloride (WSC-g-PKA/PDMDAAC) semi-interpenetrating polymer networks (semi-IPNs) amphoteric SAR was synthetized by graft polymerization and semi-interpenetrating technology with the present of initiator and crosslinker. The effects of AA, PDMDAAC and crosslinker content on water absorbency of semi-IPNs SAR were studied. The semi-IPNs SAR prepared under optimized synthesis condition gave the best water absorption of 210.57 g/g in distilled water and 22.13 g/g in 0.9 wt% NaCl solution. In addition, the results showed that high water absorbency appeared from pH 4 to 9, and the effect of the salt ions in the swelling capacity was Al3+ > Ca2+ > Mg2+ > K+ > Na+.

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Periodical:

Advanced Materials Research (Volumes 750-752)

Pages:

1415-1419

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.750-752.1415

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Online since:

August 2013

Authors:

Yuan Su, Jia Liu, Qian Li, Qin Yan Yue, Bao Yu Gao

Keywords:

Amphoteric, Semi-IPNs, Superabsorbent Resin, Wheat Straw Cellulose

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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