Superabsorbent polymer foam

Details Superabsorbent polymer foam Superabsorbent polymer foam

A - Human Necessities

61

L

A61L 15/60 (2006.01) A61L 15/24 (2006.01) A61L 15/42 (2006.01)

Patent

CA 2157468

An improved superabsorbent polymer foam having a morphology to provide improved absorptive properties is disclosed. The foam preferably comprises a superabsorbent polymer formed from a substantially water-soluble, unsaturated monomer having neutralized carboxyl groups and a substantially water-soluble internal crosslinking agent. The monomer and crosslinking agent are expanded in the presence of a substantially water-insoluble blowing agent and a suitable solvent and reacted to form a superabsorbent polymer foam having substantially continuous, intercommunicating channels substantially throughout the foam and a relatively high surface area to mass ratio. Methods for making the foam and absorbent products, members and articles containing the foam are also disclosed.

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