Hot melt colored ink

C - Chemistry – Metallurgy – 09 – D

Patent

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Details

C09D 11/02 (2006.01) C09D 11/12 (2006.01)

Patent

CA 2221486

ABSTRACT A hot melt colored ink comprising: a coloring component being at least one selected from the group consisting of carbon black, an inorganic pigment, an organic pigment, a dye and an inorganic extender pigment; phytosterol and/or a derivative thereof in an amount of 0.1 to 90% by weight of the hot melt. colored ink; and optionally a thermoplastic resin in an amount of 1 to 80% by weight of the hot melt colored ink. According to the hot melt colored ink of the present invention, various disadvantages found in conventional hot melt colored ink, such as grime, patchy, unsharpness and stain of transferred print (transferred image) does not occur and a print evenness and a performance (a quality and resolving power of transferred recording image) of transferred print on a transferable recording material (transferable recording paper etc.) are sufficient.

L'invention a pour objet une encre de couleur thermofusible contenant un ou plusieurs colorants sélectionnés parmi du noir de carbone, des pigments inorganiques et organiques, des teintures et des matières de charge. Cette encre se caractérise en ce qu'elle comprend 0,1 à 90 % en poids d'un phytostérol et/ou d'un phytostérol modifié et 1 à 80 % en poids d'une résine de polyéthylène. La présente invention permet d'utiliser une résine de polyéthylène comme liant d'encre, ce qui n'était pas possible dans la technique antérieure. L'encre de couleur thermofusible pour des matériaux d'enregistrement de transfert thermique, selon l'invention, présente une excellente résistance d'impression de surface sur les substrats d'enregistrement de transfert thermique (comme le papier), sans bavure, flou, tachage ni graissage des images transférées (impressions) sur les substrats. En outre, l'encre présente une excellente performance de transfert d'images.

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