Phase change inks

Details Phase change inks Phase change inks

C - Chemistry, Metallurgy

09

D

C09D 11/12 (2006.01) C08K 5/20 (2006.01) C09B 11/00 (2006.01) C09B 13/06 (2006.01) C09B 15/00 (2006.01) C09B 35/031 (2006.01) C09B 47/04 (2006.01) C09D 7/12 (2006.01) C09D 191/06 (2006.01) C09D 123/06 (2006.01)

Patent

CA 2568936

Disclosed is a phase change ink comprising (a) a colorant and (b) a phase change ink carrier, said carrier comprising (i) a branched triamide and (ii) a polyethylene wax having an average peak molecular weight of from about 350 to about 730 and a polydispersity of from about 1.0001 to about 1.500. Also disclosed is a process which comprises (1) incorporating into an ink jet printing apparatus a phase change ink comprising (a) a colorant and (b) a phase change ink carrier, said carrier comprising (i) a branched triamide and (ii) a polyethylene wax having an average peak molecular weight of from about 350 to about 730 and a polydispersity of from about 1.0001 to about 1.500; (2) melting the ink; and (3) causing droplets of the melted ink to be ejected in an imagewise pattern onto a substrate.

Divulgation d'une encre à changement de phase contenant (a) un colorant et (b) un porteur d'encre à changement de phase, lequel est composé (i) d'un amide et (ii) d'une cire Fischer- Tropsch ayant un poids moléculaire maximal moyen d'environ 300 à 800 et une polydispersité d'environ 1,001 à 3. L'invention porte également sur un procédé qui consiste (1) à incorporer dans un appareil d'impression à jet d'encre à changement de phase contenant (a) un colorant et (b) un porteur d'encre à changement de phase, lequel est composé (i) d'un amide et (ii) d'une cire Fischer--Tropsch ayant un poids moléculaire maximal moyen d'environ 300 à 800 et une polydispersité d'environ 1,001 à 3; (2) à fondre l'encre; et (3) à faire éjecter des gouttes d'encre fondue selon un modèle d'image sur un substrat.

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