Title:
INK FOR LASER IMAGING
Document Type and Number:
Japanese Patent JP2018199812
Kind Code:
A
Abstract:
To provide an ink composition having good laser imaging efficacy, having an essentially negligible impact on the background colour of the coating.SOLUTION: The invention provides an ink formulation containing : (a) a near infrared absorbing system containing tungsten bronze of formula MWO(where Mis an element selected from H, He, alkali metal, alkaline earth metal, rare earth element, Zr, Cr, Mn, Fe, Ru, Co, Rh, Ir, Ni, Pd, Pt, Cu, Ag, Au, Zn, Cd, Al, Ga, In, Tl, Si, Ge, Sn, Pb, Sb, B, F, P, S, Se, Br, Te, Ti, Nb, V, Mo, Ta, Re, Hf, Os, Bi and I, or ammonium, x, y, z are 0.001≤x/y≤2 and 2.2≤z/y≤3, the absorption ratio of tungsten bronze α/β is less than 2), (b) a colour change agent and (c) a binder.SELECTED DRAWING: None
Inventors:
ANTHONY JARVIS
Application Number:
JP2018120407A
Publication Date:
December 20, 2018
Filing Date:
June 26, 2018
Export Citation:
Assignee:
DATALASE LTD
International Classes:
C09D11/50; C09B11/28; C09B67/46; C09D5/29; C09D7/40; C09D7/61; C09D201/00
Domestic Patent References:
| JP2007517953A | 2007-07-05 | |||
| JP2011503274A | 2011-01-27 |
Attorney, Agent or Firm:
Hiroshi Arafune
Yoshio Arafune
Yoshio Arafune