Ink for printing, printed matter, printing method and printer

Details Ink for printing, printed matter, printing method and printer Ink for printing, printed matter, printing method and printer

2007-03-13

2007-03-13

McClendon, Sanza L. (Department: 1711)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Compositions to be polymerized by wave energy wherein said...

C522S071000, C522S083000, C522S096000, C522S100000, C522S104000, C522S090000, C522S103000, C522S107000, C522S170000, C522S173000, C522S174000, C522S182000, C522S178000, C523S161000, C523S169000, C106S031130

Reexamination Certificate

active

10432780

ABSTRACT:
The printing ink of the present invention is characterized by containing a photo-curable high polymer precursor, and a photopolymerization initiator, and containing 3 to 8 parts by weight of inorganic fine particles having a mean particle size of 0.1 μm or less to 100 parts by weight of the high polymer precursor. Moreover, the printing ink of the present invention is characterized by having a viscosity at a shear rate of 5 (l/s) of 8 to 75 (Pa·s), a viscosity at a shear rate of 20 (l/s) of 3 to 25 (Pa·s), and a thixotropic index value of 1.5 to 3.5. As a result of using this printing ink, letters, figures, symbols, graphics, etc., having a thickness of 0.2 mm or more can be printed rapidly without affecting the printed base material. In addition, as a result of using the printing ink of the present invention, a printed matter of the present invention can be provided that is characterized by the printing ink of the present invention being printed onto the surface of the printed base material followed by curing. In particular, the present invention is preferable for obtaining a Braille printed matter, and the Braille printed matter in which Braille characters are printed on the surface can be provided by printing the printing ink of the present invention onto the surface of the printed base material in the form of dots followed by curing.

REFERENCES:
patent: 3952032 (1976-04-01), Vrancken et al.
patent: 4270985 (1981-06-01), Lipson et al.
patent: 5006407 (1991-04-01), Malhotra
patent: 2 338 212 (1999-12-01), None
patent: 6-91946 (1994-04-01), None
patent: 10-315630 (1998-12-01), None
patent: 2000-37943 (2000-02-01), None
patent: 2000-53714 (2000-02-01), None
patent: 2000-319566 (2000-11-01), None
patent: 2000-354805 (2000-12-01), None
patent: WO 97/04964 (1997-02-01), None
patent: WO 00/50245 (2000-08-01), None
patent: WO 01/17780 (2001-03-01), None
jp 2000/053714—Rough Machine Translation.

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