High opacity white ink
AssigneeSun Chemical Corporation
InventorsJarol Alberto Osorio Murillo, Hampton Caudle
Life of this patent
Estimating the term…
Abstract
The present invention provides solvent-based high opacity inks and coatings. The high opacity inks and coatings comprise one or more binders, TiO2 pigment, polymeric void hollowsphere particles, and one or more organic solvents. The inks and coatings may also include mica-based pigments and aluminum pigments. The high opacity inks and coatings of the invention are suitable for use on packaging wherein a high opacity ink or coating is needed to, for example, hide undesired visual effects, or to protect the packaged goods.
Claims18
A solvent-based white ink or coating composition comprising:
- a) 10 wt % to 30 wt % one or more binders, based on the total weight of the ink or coating composition;
- b) 30 wt % to 60 wt % titanium dioxide (TiO2) pigment, based on the total weight of the ink or coating composition;
- c) 0.5 wt % to 6 wt % polymeric void hollowsphere particles, based on the total weight of the ink or coating composition;
- and
- d) 20 wt % to 60 wt % one or more organic solvents, based on the total weight of the ink or coating composition.
Dependencies are inferred from the claim text.