Polyurethane hybrid dispersions and coatings having increased we

Details Polyurethane hybrid dispersions and coatings having increased we Polyurethane hybrid dispersions and coatings having increased we

1998-10-14

2000-02-29

Niland, Patrick D.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

4273722, 4273855, 4284231, 524539, 524591, 524840, C08J 300, C08K 320, C08L 7500, B05D 302, B32B 2700

Patent

active

060310413

ABSTRACT:
A polyurethane hybrid dispersion comprising a carboxylated polyurethane dispersion and a functionalized polymer. The functionalized polymer is the emulsion polymerization product of an ethylenically unsaturated monomer and from 0.1 to 5 pphm of a ureido functional comonomer, wherein the functionalized polymer is prepared in the presence of the carboxylated polyurethane dispersion. he polyurethane hybrid dispersions of the invention exhibit improved wet adhesion to alkyd substrates. Moreover, the polyurethane hybrid dispersions provide the treated substrates with improved solvent resistance.

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