Utilization of starch and clay for the preparation of superabsorbent composite.

  title={Utilization of starch and clay for the preparation of superabsorbent composite.},
  author={An Li and Junping Zhang and Aiqin Wang},
  journal={Bioresource technology},
  volume={98 2},
Starch and attapulgite were utilized as raw material for synthesizing starch-graft-poly(acrylic acid)/attapulgite superabsorbent composite by graft copolymerization reaction of starch and acrylic acid (AA) in the presence of attapulgite micropowder in aqueous solution. Major factors affecting on water absorbency such as weight ratio of AA to starch, initial monomer concentration, neutralization degree of AA, amount of crosslinker, initiator and attapulgite were investigated. The superabsorbent… CONTINUE READING

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