US 11,905,429 B2
Ink-receptive layers for durable labels
Rachna Khurana, Inver Grove Heights, MN (US); Maciej P. Pietras, Wroclaw (PL); Benjamin R. Coonce, South St. Paul, MN (US); and Naiyong Jing, St. Paul, MN (US)
Assigned to 3M Innovative Properties Company, St. Paul, MN (US)
Appl. No. 15/733,091
Filed by 3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US)
PCT Filed Nov. 16, 2018, PCT No. PCT/IB2018/059042
§ 371(c)(1), (2) Date May 14, 2020,
PCT Pub. No. WO2019/097469, PCT Pub. Date May 23, 2019.
Claims priority of provisional application 62/587,792, filed on Nov. 17, 2017.
Prior Publication US 2020/0283638 A1, Sep. 10, 2020
Int. Cl. C09D 5/00 (2006.01); C09D 167/00 (2006.01); C09D 7/61 (2018.01); C09D 7/40 (2018.01); B41M 5/52 (2006.01); C09D 133/10 (2006.01); C09D 167/02 (2006.01)
CPC C09D 167/00 (2013.01) [B41M 5/52 (2013.01); C09D 5/002 (2013.01); C09D 7/61 (2018.01); C09D 7/67 (2018.01); C09D 7/68 (2018.01); C09D 133/10 (2013.01); C09D 167/02 (2013.01); B41M 5/5218 (2013.01); B41M 5/5254 (2013.01); B41M 5/5272 (2013.01); B41M 5/5281 (2013.01)] 20 Claims
 
1. A coatable composition for formation of an ink-receptive layer, the coatable composition comprising a mixture of:
a) 8.0 weight percent to 75 weight percent, based on the total weight of a), b), c), and d), of silica particles consisting of colloidal silica particles having an average particle size of 2.0 nanometers (nm) to 150 nm;
b) 10 weight percent to 75 weight percent, based on the total weight of a), b), c), and d), of one or more polyester polymers;
c) 10 weight percent to 75 weight percent, based on the total weight of a), b), c), and d), of one or more water-dispersible polymers selected from the group consisting of polyurethane polymers and (meth)acrylate polymers, wherein the one or more water-dispersible polymers are not water-soluble; and
d) 0 weight percent to 10 weight percent, based on the total weight of a), b), c), and d), of one or more crosslinkers.