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Title:
NON-AQUEOUS INKJET INK
Document Type and Number:
Japanese Patent JP2013095885
Kind Code:
A
Abstract:

To provide a non-aqueous inkjet ink for improving print density in printing even when printing resolution is low, that is, a distance between pixels is large.

The non-aqueous inkjet ink comprises at least a pigment, a dye and an organic solvent, in which the total amount of the pigment and the dye is 3 mass% or more with respect to the total amount of the ink, and a content ratio of the pigment to the dye ranges from 7:3 to 4:6. The pigment has a DBP oil absorption of 60 cm3/100 g to 140 cm3/100 g. The organic solvent comprises at least two organic solvents, including an organic solvent having an α-value of 10 or less and an organic solvent having an α-value of 30 or more.


Inventors:
SHIMOMURA KENJI
Application Number:
JP2011241805A
Publication Date:
May 20, 2013
Filing Date:
November 04, 2011
Export Citation:
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Assignee:
RISO KAGAKU CORP
International Classes:
B41J2/01; B41M5/00; C09B67/20; C09B67/22; C09D11/00; C09D11/322; C09D11/324; C09D11/326; C09D11/328; C09D11/38; C09D11/40
Domestic Patent References:
JPH07109430A1995-04-25
JP2011032310A2011-02-17
JPS61181879A1986-08-14
JP2011127091A2011-06-30
Attorney, Agent or Firm:
Yanagita Seiji
Go Sakuma