	US 11,912,862 B2
	Reduced haze compositions for coatings
Katelyn Rose Houston, Johnson City, TN (US); Jeremy Richard Lizotte, Gray, TN (US); Jessica Nicole Aldred, Kingsport, TN (US); and John Thorton Maddox, Jonesborough, TN (US)
Assigned to Eastman Chemical Company, Kingsport, TN (US)
Appl. No. 17/309,663
Filed by Eastman Chemical Company, Kingsport, TN (US)
PCT Filed Feb. 5, 2020, PCT No. PCT/US2020/016706 § 371(c)(1), (2) Date Jun. 14, 2021, PCT Pub. No. WO2020/163424, PCT Pub. Date Aug. 13, 2020.
Claims priority of provisional application 62/801,226, filed on Feb. 5, 2019.
Prior Publication US 2022/0081552 A1, Mar. 17, 2022
Int. Cl. C08L 67/02 (2006.01); C08G 63/183 (2006.01); C08G 63/199 (2006.01); C08K 5/00 (2006.01); C09D 167/02 (2006.01)

CPC C08L 67/02 (2013.01) [C08G 63/183 (2013.01); C08G 63/199 (2013.01); C08K 5/0025 (2013.01); C09D 167/02 (2013.01); C08L 2201/10 (2013.01)]

11 Claims

1. A composition comprising:

(a) a polyester consisting essentially of residues of:

(i) terephthalic acid and isophthalic acid; and

(ii) a blend of at least two glycols;

wherein the amount of terephthalic acid is 15 mole percent to 20 mole percent and the amount of isophthalic acid is 80 to 85 mole percent wherein the total amount of terephthalic acid and isophthalic acid in the resin equals 100 mole percent,

wherein said glycol blend is selected from the group consisting of 2,2,4,4-tetramethyl-1,3-cyclobutanediol combined with at least one of 1,4-cyclohexane dimethanol, 1,3-cyclohexane dimethanol, ethylene glycol, 2-methyl 1,3-propane diol, and 1,6-hexanediol; and

(b) a non-aqueous solvent;

wherein the composition remains clear at a temperature of 20-30° C. for at least 120 days.