Cross-linked water-absorbent resin

C - Chemistry – Metallurgy – 08 – F

Patent

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Details

C08F 220/28 (2006.01) A61L 15/60 (2006.01) C08F 8/08 (2006.01) C08F 220/04 (2006.01) C08F 220/58 (2006.01)

Patent

CA 2097885

ABSTRACT This invention is directed to a recurring polymeric moiety of the following formula: Image wherein R is independently selected from hydrogen and C1 to C5 alkyl; Y is independently selected from O and NH; and X is independently selected from CI, F, Br, I, NO3, HSO4, and H2PO4. Polymers of the above structure may be crosslinked by treating the polymer with a base and heating it.

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