Water-resistant adhesives, their preparation and use

Details Water-resistant adhesives, their preparation and use Water-resistant adhesives, their preparation and use

C - Chemistry, Metallurgy

09

J

C09J 131/02 (2006.01) C08F 2/22 (2006.01) C08F 8/30 (2006.01)

Patent

CA 2472796

A description is given of an aqueous dispersion adhesive based on an aqueous polymer dispersion comprising at least one emulsion polymer with small amounts of crosslinkable N-methylol groups, at least one protective colloid, and at least one crosslinking agent containing N-methylol groups, of which at least one is etherified with an alkanol, said crosslinking agent being selected from the group consisting of hydroxymethylated cyclic ethyleneureas, hydroxymethylated cyclic propyleneureas, hydroxymethylated bicyclic glyoxal diureas, hydroxymethylated bicyclic malonaldehyde diureas or combinations thereof. The aqueous dispersion adhesive can be employed in particular for adhesively bonding porous and semiporous substrates.

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