Urethane (meth)acrylate resin with acrylic backbone and ink...

Details Urethane (meth)acrylate resin with acrylic backbone and ink... Urethane (meth)acrylate resin with acrylic backbone and ink...

C - Chemistry, Metallurgy

08

G

C08G 18/10 (2006.01) C08G 18/62 (2006.01) C08G 18/67 (2006.01) C09D 175/16 (2006.01)

Patent

CA 2538730

An acrylic urethane (meth)acrylate oligomer composition is provided, which has an acrylic urethane backbone comprising a reaction product of an acrylic polyol. and a diisocyanate, said acrylic urethane (meth)acrylate oligomer has residues in the Mowing order: hydroxy(meth)acrylate - (diisocyanate - acrylic polyol)n - diisocyanate - hydroxy(meth) acrylate where n is 1 to 10. The oligomer is useful in ink compositions.

La présente invention a trait à une composition acrylique à base d'oligomère d'uréthanne (méth)acrylate, comportant un squelette d'uréthanne acrylique comprenant un produit réactionnel d'un polyol acrylique et d'un diisocyanate, ledit oligomère d'uréthanne (méth)acrylate acrylique présentant des résidus dans la séquence suivante : hydroxy(méth)acrylate - (diisocyanate polyol-acrylique)¿n? - diisocyanate-hydroxy(méth) acrylate, où n est de 1 à 10. L'oligomère est utile dans des compositions d'encre.

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