	US 11,851,814 B2
	Textile inks
Derek Illsley, Derbyshire (GB); and Paul Wallace, Derbyshire (GB)
Assigned to SUN CHEMICAL CORPORATION, Parsippany, NJ (US)
Appl. No. 18/025,712
Filed by SUN CHEMICAL CORPORATION, Parsippany, NJ (US)
PCT Filed Jul. 26, 2022, PCT No. PCT/GB2022/051950 § 371(c)(1), (2) Date Mar. 10, 2023, PCT Pub. No. WO2023/007142, PCT Pub. Date Feb. 2, 2023.
Claims priority of application No. 21188877 (EP), filed on Jul. 30, 2021; and application No. 2112418 (GB), filed on Aug. 31, 2021.
Prior Publication US 2023/0243095 A1, Aug. 3, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. D06P 5/30 (2006.01); D06P 1/52 (2006.01); D06P 5/20 (2006.01); C09D 11/38 (2014.01); D06P 3/54 (2006.01); D06P 3/60 (2006.01); C09D 175/04 (2006.01); C09D 175/14 (2006.01)

CPC D06P 5/30 (2013.01) [C09D 11/38 (2013.01); D06P 1/5285 (2013.01); D06P 5/2083 (2013.01); C09D 175/04 (2013.01); C09D 175/14 (2013.01); D06P 3/54 (2013.01); D06P 3/6033 (2013.01)]

17 Claims

1. A method for providing a printed article, comprising printing an aqueous ink composition onto a fibrous substrate and curing the ink, wherein the ink composition comprises a polyurethane dispersion having the properties of (a) ketone or aldehyde groups present at one or more polymer chain ends; (b) a number average molecular weight ≤50,000 and; (c) the content of ketone and aldehyde groups is in the range 0.02 to 4.0 mmol g⁻¹, based on the dry polymer weight.