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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 805-806Synthesis and Characterization of Poly(acrylic...

Synthesis and Characterization of Poly(acrylic acid)/PVP Modified Bentonite Superabsorbent Polymer

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Abstract:

A novel superabsorbent composite has been prepared via aqueous solution polymerization of acrylic acid (AA) in the presence of PVP modified bentonite powder using N,N-methylenebisacrylamide (MBA) as a crosslinker and potassium persulfate (KPS) as an initiator. The amount of PVP modified bentonite in the superabsorbent affected on the ultimate water absorbency was optimized, and the swelling kinetics and water retention ability were systematically investigated. The composite structure was determined by Fourier transform infrared (FTIR) spectroscopy, Thermogravimetric Analyzer (TG) and the scanning electron microscopy (SEM). The results indicate that the superabsorbents with PVP modified bentonite own superior water-swelling capability and water retention ability.

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Periodical:

Advanced Materials Research (Volumes 805-806)

Pages:

1356-1361

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.805-806.1356

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Cite this paper

Online since:

September 2013

Authors:

Pei Qi Wu, Cheng Zhang Zheng, Yu Jian He, Da Zhou Lin, Zi Jie Wu, Jun Jian Liao, Qi Ming Lu

Keywords:

Bentonite, PVP, Superabsorbent Polymer, Water Absorbency

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