Ultraviolet ray curable ink, ink composition for ink jet and...

Details Ultraviolet ray curable ink, ink composition for ink jet and... Ultraviolet ray curable ink, ink composition for ink jet and...

2007-09-04

2007-09-04

Berman, Susan (Department: 1711)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C427S466000, C347S001000

Reexamination Certificate

active

11272576

ABSTRACT:
The ink comprises a coloring component, a reactive oligomer and/or a reactive prepolymer, a reactive diluent and a photoinitiator, wherein the reactive oligomer and/or reactive prepolymer unit and the reactive diluent unit have a glass transition point of 0° to 70° C., respectively, in a polymer obtained therefrom. In the present invention, a cured film excellent in adhesion to materials and scratch resistance is obtained and image without blurring is formed in ink jet printing of the ultraviolet ray curable ink. An ultraviolet ray curable ink composition having a viscosity of 60 to 800 cps at 25° C. which comprises a coloring component, a reactive diluent, a photoinitiator and an oligomer and/or reactive prepolymer having compatibility with the reactive diluent is used. The ink composition is heated to 40° to 150° C. and applied to a recording medium and cured by ultraviolet rays.

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patent: 02-311569 (1990-12-01), None
patent: 07-330835 (1995-12-01), None

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