C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 139/04 (2006.01) D21H 21/00 (2006.01)
Patent
CA 2683513
Disclosed are aqueous dispersions of (meth)acrylic esters of polymers containing N-hydroxyalkylated lactam units. Said aqueous dispersions can be obtained using radically initiated emulsion polymerization, a process in which (a) styrene, acrylonitrile, methacrylonitrile, and/or methyl methacrylate, (b) at least one C1 to C18 alkyl acrylate and/or at least one C2 to C18 alkyl methacrylate, (c) at least one acrylic ester of an N-hydroxyalkylated lactam and/or at least one methacrylic ester of an N-hydroxyalkylated lactam, and (d) other optional ethylenically unsaturated monomers are copolymerized as monomers. Also disclosed are the use of said aqueous dispersions and/or polymers containing at least one acrylic ester of an N-hydroxyalkylated lactam and/or at least one methacrylic ester of an N-hydroxyalkylated lactam in a copolymerized form for treating the surface of paper and paper products as well as the ink jet papers obtained in said manner.
L'invention concerne des dispersions aqueuses de polymères contenant des esters de l'acide (méth)acrylique de motifs lactame N-hydroxyalkylées, lesquelles dispersions peuvent être obtenues par polymérisation radicalaire en émulsion, en copolymérisant comme monomères (a) le styrène, l'acrylonitrile, le méthacrylonitrile et/ou le méthacrylate de méthyle, (b) au moins un acrylate d'alkyle C1-C18 et/ou au moins un méthacrylate d'alkyle C2-C18, (c) au moins un acrylate d'un lactame N-hydroxyalkylé et/ou au moins un ester de l'acide méthacrylique d'un lactame N-hydroxyalkylé et (d) éventuellement d'autres monomères éthyléniquement insaturés. L'invention concerne également l'utilisation de ces dispersions aqueuses et/ou de polymères qui contiennent au moins un acrylate d'un lactame N-hydroxyalkylé et/ou au moins un ester de l'acide méthacrylique d'un lactame N-hydroxyalkylé copolymérisé(s), dans le traitement de surface du papier et de produits papetiers ainsi que les papiers jet d'encre ainsi obtenus.
Angel Maximilian
Brockmeyer Andreas
Dieckmann Yvonne
Ettl Roland
Basf Se
Robic
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