C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 8/12 (2006.01) A61L 15/00 (2006.01) A61L 15/60 (2006.01) C08F 8/00 (2006.01)
Patent
CA 2310675
Poly(vinylamine)-based superabsorbent gels are disclosed. The superabsorbent gels either comprise a mixture of a poly(vinylamine) polymer and an acidic water-absorbing polymer, like polyacrylic acid, or comprise a salt of a poly(vinylamine) polymer. An improved method of preparing poly(vinylamine), and improved diaper cores, also are disclosed.
La présente invention concerne des gels superabsorbants à base de poly(vinylamine). Ces gels superabsorbants sont constitués, soit d'un mélange entre un polymère de poly(vinylamine) et un polymère acide absorbant l'eau tel que l'acide polyacrilique, soit d'un sel d'un polymère de poly(vinylamine). L'invention concerne également un procédé perfectionné d'élaboration de poly(vinylamine), et un modèle perfectionné de coeur de couches de bébé.
Anderson Mark
Beihoffer Thomas W.
Darlington Jerald W. Jr.
Lobo Leticia I.
Mitchell Michael A.
Amcol International Corporation
Smart & Biggar
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