Radiation curable polymeric ink compositions

Details Radiation curable polymeric ink compositions Radiation curable polymeric ink compositions

C - Chemistry, Metallurgy

09

D

C09D 11/10 (2006.01) C09D 11/00 (2006.01)

Patent

CA 2454163

The invention relates to an aqueous ink composition containing a polyurethane polymer and at least one colorant, wherein the colorant is covalently bonded to the polyurethane polymer, and the composition is crosslinkable to form a network containing the polyurethane polymer, wherein the crosslinking reaction is initiated by UV-irradiation or electron beam.

L'invention concerne une composition d'encre aqueuse contenant un polymère polyuréthane et au moins un colorant. Le colorant est lié de manière covalente au polymère polyuréthane, la composition étant réticulable pour former un réseau contenant le polymère polyuréthane et la réaction de réticulation étant amorcée par exposition aux rayons UV ou à un faisceau d'électrons.

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