Water-resistant adhesives, their preparation and use
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United States of America Patent
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Sep 8, 2009
Grant Date -
Feb 10, 2005
app pub date -
Jul 26, 2004
filing date -
Aug 4, 2003
priority date (Note) -
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Abstract
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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