	US 11,707,945 B2
	Method of improving actinic cure of coatings
John G. Tiessen, Elk Grove Village, IL (US); Juanita M. Parris, Montvale, NJ (US); and Russell Schwartz, Cincinnati, OH (US)
Assigned to SUN CHEMICAL CORPORATION, Parsippany, NJ (US)
Filed by SUN CHEMICAL CORPORATION, Parsippany, NJ (US)
Filed on Aug. 12, 2020, as Appl. No. 16/991,675.
Application 16/991,675 is a continuation of application No. PCT/US2019/017580, filed on Feb. 12, 2019.
Claims priority of provisional application 62/629,927, filed on Feb. 13, 2018.
Prior Publication US 2020/0369065 A1, Nov. 26, 2020
Int. Cl. C09D 11/54 (2014.01); B41M 1/04 (2006.01); B41M 1/12 (2006.01); B41M 1/06 (2006.01); B41M 7/00 (2006.01); B41M 5/00 (2006.01); B41M 3/00 (2006.01)

CPC B41M 7/0081 (2013.01) [B41M 5/0023 (2013.01); B41M 7/009 (2013.01); C09D 11/54 (2013.01); B41M 1/04 (2013.01); B41M 1/06 (2013.01); B41M 1/12 (2013.01); B41M 3/008 (2013.01)]

18 Claims

1. A method for printing on a substrate comprising consisting of a first step and a second step, wherein;

the first step consists of:

(a) applying onto a substrate one or more layers of an energy curable ink, and

(b) applying one or more layers of a water-based coating over the top of the one or more layers of energy curable ink;

the second step consists of:

(a) actinically or electron beam curing simultaneously all the energy curable ink layers, and

(b) drying or removing the one or more layers of water-based coating,

wherein the substrate is first printed with one or more layers of an ink or coating which are all fully dried or cured prior to the first step.