	US 12,031,056 B2
	Water-based inks with renewable materials
Guy VanOudenhoven, Menasha, WI (US)
Assigned to Sun Chemical Corporation, Parsippany, NJ (US)
Appl. No. 16/981,583
Filed by SUN CHEMICAL CORPORATION, Parsippany, NJ (US)
PCT Filed Mar. 20, 2019, PCT No. PCT/US2019/023076 § 371(c)(1), (2) Date Sep. 16, 2020, PCT Pub. No. WO2019/190842, PCT Pub. Date Oct. 3, 2019.
Claims priority of provisional application 62/648,425, filed on Mar. 27, 2018.
Prior Publication US 2021/0017418 A1, Jan. 21, 2021
Int. Cl. C09D 177/00 (2006.01); C08K 3/26 (2006.01); C09D 11/037 (2014.01); C09D 11/102 (2014.01); C09D 11/50 (2014.01)

CPC C09D 177/00 (2013.01) [C09D 11/037 (2013.01); C09D 11/102 (2013.01); C09D 11/50 (2013.01); C08K 3/26 (2013.01); C08K 2003/265 (2013.01)]

20 Claims

1. A water-based varnish comprising:

an aqueous polyamide resin dispersion, and

a water-insoluble particulate material,

wherein the polyamide resin dispersion has a renewable carbon content of ≥50%,

wherein the polyamide resin dispersion has an average particle size of 0.15 microns to 0.40 microns; and

wherein the presence of the polyamide resin reduces settling of the water-insoluble particulate material in the varnish.