C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 20/00 (2006.01) C08F 220/00 (2006.01) C08F 220/34 (2006.01) C08F 220/58 (2006.01) C08F 226/02 (2006.01)
Patent
CA 2417421
The invention relates to water-soluble or water-swellable copolymers which contain sulfo groups and which are based on (meth)acrylamide-alkylsulfonic acids and (meth)acrylamide or N-vinyl compounds, and to their use as additives for aqueous construction materials systems or for water-based paint and coating systems. The inventive copolymers also represent water retention agents which are highly effective, even when used in relatively small quantities, and which are highly compatible in construction material and paint systems of this type.
L'invention concerne des copolymères hydrosolubles ou gonflant dans l'eau, renfermant des groupes sulfo, à base d'acides (méth)acrylamide-alkylsulfonique et de (méth)acrylamide ou de composés N-vinyliques, ainsi que leur utilisation en tant qu'additifs pour des systèmes de matériaux de construction aqueux ou des systèmes de peintures et revêtements aqueux. Même lorsqu'ils sont utilisés dans des quantités relativement faibles, ces copolymères constituent des moyens de rétention d'eau qui sont extrêmement efficaces et présentent une bonne compatibilité dans ces systèmes de matériaux de construction ou systèmes de peintures.
Albrecht Gerhard
Kern Alfred
Melzer Michaela
Schinabeck Michael
Schuhbeck Manfred
Construction Research & Technology Gmbh
Degussa Bauchemie Gmbh
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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