Ink for marking

Details Ink for marking Ink for marking

C - Chemistry, Metallurgy

09

D

C09D 11/00 (2006.01)

Patent

CA 2746050

Provided is a marking ink having excellent wear resistance and bend resistance after marking and that is used for marking the outside surface of articles of which at least the outside surface is formed with a resin. The marking ink comprises an organic solvent, an oil-soluble dye, and an oil-soluble resin. The oil-soluble resin is a mixture of at least two types of acrylic resins. The total of the acid value and the hydroxyl value of at least one of the aforementioned at least two acrylic resins is 10 or less, and the total of the acid value and the hydroxyl value of at least one other of the aforementioned at least two acrylic resins is 70 or greater.

L'invention porte sur une encre de marquage très résistante à l'usure et à la flexion après marquage et servant à marquer la surface d'articles dont au moins la surface extérieure est faite de résine. Ladite encre comprend: un solvant organique, un colorant oléosoluble, et une résine oléosoluble. La résine oléosoluble est un mélange d'au moins deux types de résines acryliques. Le total de l'indice d'acidité et de l'indice d'hydroxyle d'au moins l'une des résines est de 10 ou moins, et le total de l'indice d'acidité et de l'indice d'au moins l'autre des résines est de 70 ou plus.

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