US 11,697,742 B2
High opacity white ink
Jarol Alberto Osorio Murillo, Fort Mill, SC (US); and Hampton Caudle, Rock Hill, SC (US)
Assigned to Sun Chemical Corporation, Parsippany, NJ (US)
Appl. No. 16/954,317
Filed by SUN CHEMICAL CORPORATION, Parsippany, NJ (US)
PCT Filed Dec. 17, 2018, PCT No. PCT/US2018/065946
§ 371(c)(1), (2) Date Jun. 16, 2020,
PCT Pub. No. WO2019/126006, PCT Pub. Date Jun. 27, 2019.
Claims priority of provisional application 62/607,630, filed on Dec. 19, 2017.
Prior Publication US 2021/0079237 A1, Mar. 18, 2021
Int. Cl. C09D 11/037 (2014.01); B41M 1/10 (2006.01); B41M 1/30 (2006.01); C09D 11/033 (2014.01); C09D 11/102 (2014.01); C09D 11/108 (2014.01)
CPC C09D 11/037 (2013.01) [B41M 1/10 (2013.01); B41M 1/30 (2013.01); C09D 11/033 (2013.01); C09D 11/102 (2013.01); C09D 11/108 (2013.01)] 18 Claims
 
1. 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.