Poly(dialkylaminoalkyl (meth)acrylamide)-based...

Details Poly(dialkylaminoalkyl (meth)acrylamide)-based... Poly(dialkylaminoalkyl (meth)acrylamide)-based...

C - Chemistry, Metallurgy

07

C

C07C 231/02 (2006.01) A61L 15/24 (2006.01) A61L 15/60 (2006.01) C08L 33/26 (2006.01) C07C 233/38 (2006.01) C08L 33/02 (2006.01)

Patent

CA 2310699

Poly(dialkylaminoalkyl (meth)acrylamide)-based superabsorbent gels are disclosed. The superabsorbent gels either comprise a mixture of a poly(dialkylaminoalkyl (meth)acrylamide) polymer and an acidic water-absorbing polymer, like polyacrylic acid, or comprise a salt of a poly(dialkylaminoalkyl (meth)acrylamide) polymer. An improved method of preparing an N- (dialkylaminoalkyl) (meth)acrylamide monomer also is disclosed.

L'invention concerne des gels superabsorbants à base de poly(dialkylaminoalkyle (méth)acrylamide). Ces gels superabsorbants comprennent soit un mélange d'un polymère poly(dialkylaminoalkyle (méth)acrylamide) et d'un polymère acide absorbant l'eau, comme l'acide polyacrylique, soit un sel d'un polymère poly(dialkylaminoalkyle (méth)acrylamide). L'invention concerne également un procédé amélioré de préparation d'un monomère N-(dialkylaminoalkyle) (méth)acrylamide.

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