	US 12,331,213 B2
	Ink-receptive layers for durable labels
Dean M. Moren, North St. Paul, MN (US); Maciej P. Pietras, Wroclaw (PL); Rachna Khurana, Inver Grove Heights, MN (US); and Benjamin R. Coonce, South St. Paul, MN (US)
Assigned to 3M Innovative Properties Company, St. Paul, MN (US)
Appl. No. 17/252,983
Filed by 3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US)
PCT Filed Jun. 27, 2019, PCT No. PCT/IB2019/055442 § 371(c)(1), (2) Date Dec. 16, 2020, PCT Pub. No. WO2020/003188, PCT Pub. Date Jan. 2, 2020.
Claims priority of provisional application 62/692,130, filed on Jun. 29, 2018.
Prior Publication US 2021/0214575 A1, Jul. 15, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. C09D 167/00 (2006.01); B82Y 30/00 (2011.01); B82Y 40/00 (2011.01); C09D 7/40 (2018.01); C09D 7/61 (2018.01); C09D 7/63 (2018.01)

CPC C09D 167/00 (2013.01) [C09D 7/61 (2018.01); C09D 7/63 (2018.01); C09D 7/67 (2018.01); C09D 7/68 (2018.01); B82Y 30/00 (2013.01); B82Y 40/00 (2013.01)]

20 Claims

1. A coatable composition for formation of an ink-receptive layer, wherein the coatable composition comprises a mixture of:

a) 38 weight percent to 60 weight percent, based on the total weight of a), b), c), and d), of colloidal silica particles having an average particle size of 2.0 to 150 nanometers;

b) 30 weight percent to 60 weight percent, based on the total weight of a), b), c), and d), of one or more polyester polymers;

c) 0 weight percent to 10 weight percent, based on the total weight of a), b), c), and d), of one or more polymers selected from the group consisting of polyurethane polymers and (meth)acrylate polymers, provided that the (meth)acrylate polymers are present in an amount of not more than 2 weight percent, based on the total weight of a), b), c), and d); and

d) 2 weight percent to 10 weight percent, based on the total weight of a), b), c), and d), of one or more crosslinkers.