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US 2007/0179291 A1Published application
Starch network as absorbent or superabsorbent materials and their preparation by extrusion
AssigneeLe Groupe Lysac Inc.
InventorsClaude Thibodeau, David Bergern, Isabelle Bolduc, Claude Couture, Nicolas Nourry
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Abstract
The present invention relates an absorbent material consisting of a molecular network of starch molecules, the starch molecules comprising an amylopectin content of at least 90% (w/w). The molecular network can either be comprised of self-entangled starches or cross-linked starches.
Claims35
A particulate absorbent material comprising a molecular network of starch molecules, the starch molecules comprising at least 90% (w/w) amylopectin, wherein said particulate absorbent material comprises particles ranging from 89 μm to 589 μm.
Dependencies are inferred from the claim text.