Study on the Superabsorbent Hydrogels Consisting of Crosslinked Acrylic Acid and Nanosized SiO2 Sphere

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A superabsorbent hydrogels were synthesized by an optimized rapid solution polymerization of concertrated partically neutralized acrylic acid in the presence of an organic crosslinker agent under normal atmospheric conditions, nanosized SiO2 spheres were added into gels to strengthen the gels and decrease the cost. The results showed that, comparing to the inorganic-free hydrogels, the addition of SiO2 spheres cause a sligtly decreased swelling ratio with a faster swelling rate. Meantime, the strength of hydrogels increases 10-20%.

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90-93

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August 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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