	US 12,428,569 B2
	Inks for recyclable plastics
Jarol Osorio, Charlotte, NC (US); and Everett Garrish, Charlotte, NC (US)
Assigned to Sun Chemical Corporation, Parsippany, NJ (US)
Appl. No. 18/252,274
Filed by SUN CHEMICAL CORPORATION, Parsippany, NJ (US)
PCT Filed Nov. 19, 2021, PCT No. PCT/US2021/060032 § 371(c)(1), (2) Date May 9, 2023, PCT Pub. No. WO2022/109230, PCT Pub. Date May 27, 2022.
Claims priority of provisional application 63/117,072, filed on Nov. 23, 2020.
Prior Publication US 2024/0026172 A1, Jan. 25, 2024
Int. Cl. C09D 11/104 (2014.01); C08J 11/06 (2006.01); C09D 11/037 (2014.01)

CPC C09D 11/104 (2013.01) [C08J 11/06 (2013.01); C09D 11/037 (2013.01); C08J 2367/02 (2013.01)]

7 Claims

1. A two part ink or coating system, comprising:

(a) Part A, wherein part A is a composition comprising:

i. 5 wt % to 40 wt % one or more hydroxyl functional resins, resin, based on the total weight of the Part A composition, wherein at least one resin is a cellulose acetate butyrate resin;

ii. 0.5 wt % to 10 wt % one or more aminoplast crosslinkers, based on the total weight of the Part A composition;

iii. 0.5 wt % to 10 wt % one or more polyester polyols, based on the total weight of the Part A composition; and

iv. 5 wt % to 50 wt % one or more solvents, based on the total weight of the Part A composition; and

(b) Part B, one or more acid catalysts, wherein Part A and Part B are blended in a ratio of 90:10 to 95:5.