Water-swellable, hydrophilic polymer compositions
AssigneeBASF SE
InventorsFritz Engelhardt, Rudiger Funk, Norbert Herfert, Matthias Weismantel
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Abstract
The present invention relates to water-swellable, hydrophilic polymer compositions which can be prepared by free-radical (co)polymerization of one or more hydrophilic monomers in the presence of starch and/or chemically modified starch, wherein a free-radical initiator which forms three or more free radical sites per molecule is used.
Claims9
A water-swellable hydrophilic polymer composition which can be prepared by free-radical (co)polymerization of one or more hydrophilic monomers in the presence of starch and/or chemically modified starch, wherein a free-radical initiator which forms three or more free radical sites per molecule is used.
Dependencies are inferred from the claim text.