US 12,473,446 B2
Photocurable inks and primers for automotive interior applications and glass articles comprising same
Carlos Francis Alonzo, Corning, NY (US); Donald Martin Bott, Rochester, NY (US); Aaron Bradley Gleason, Bath, NY (US); Mandakini Kanungo, Ithaca, NY (US); Steven Isaac Massey, Horseheads, NY (US); Dean Joseph Mastropietro, Corning, NY (US); Manoj Meda, Painted Post, NY (US); and Timothy Edward Myers, Painted Post, NY (US)
Assigned to CORNING INCORPORATED, Corning, NY (US)
Filed by CORNING INCORPORATED, Corning, NY (US)
Filed on Feb. 13, 2025, as Appl. No. 19/052,507.
Application 19/052,507 is a continuation of application No. 18/766,940, filed on Jul. 9, 2024.
Claims priority of provisional application 63/601,925, filed on Nov. 22, 2023.
Claims priority of provisional application 63/526,560, filed on Jul. 13, 2023.
Prior Publication US 2025/0178956 A1, Jun. 5, 2025
Int. Cl. B41M 5/00 (2006.01); B41M 7/00 (2006.01); C03C 17/28 (2006.01); C03C 17/34 (2006.01); C03C 25/24 (2018.01); C03C 25/285 (2018.01); C09D 11/322 (2014.01); C09D 11/38 (2014.01)
CPC C09D 11/322 (2013.01) [B41M 5/0017 (2013.01); B41M 5/0047 (2013.01); B41M 5/007 (2013.01); B41M 7/0081 (2013.01); B41M 7/009 (2013.01); C03C 17/28 (2013.01); C03C 17/34 (2013.01); C03C 25/24 (2013.01); C03C 25/285 (2013.01); C09D 11/38 (2013.01); G02F 2201/08 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A glass article comprising:
a glass substrate having a first major surface and a second major surface, the second major surface being opposite the first major surface; and
an opaque layer disposed on the second major surface, the opaque layer comprising a cured ink comprising at least 11 wt % of a pigment, wherein:
the pigment comprises a carbon black pigment with an average particle size less than or equal to 200 nm,
the opaque layer comprises cross-linked vinyl and acrylate groups,
the opaque layer is formed from an ink composition that, prior to being cured, is resin free and (2,4,6-trimethylbenzoyl)diphenyl phosphine oxide free,
the opaque layer comprises a thickness less than or equal to 15 μm and an optical density greater than or equal to 5.0, and
when viewed from the first major surface and illuminated at a 10° angle by a D65 illuminant, an area of the glass article covered by the opaque layer exhibits:
a CIELAB SCI L* value less than or equal to 30,
a CIELAB SCI a* value greater than or equal to −0.05 and less than or equal to 0.15, and
a CIELAB SCI b* value greater than or equal to −0.3 and less than or equal to −0.1, and
the opaque layer exhibits:
a pencil hardness greater than or equal to 3H, when measured according to ASTM 3363, and
an adhesion to the glass substrate greater than or equal to 4B, after being subjected to a temperature of 85° C. at 95% relative humidity for a period of at least 500 hours, when tested according to ASTM 3359.