US 11,841,682 B2
Printed shrink sleeves
Inna Tzomik, Nes Ziona (IL); Albert Teishev, Nes Ziona (IL); Katty Noorany, Nes Ziona (IL); and Daniel Skvirsky, Nes Ziona (IL)
Assigned to Hewlett-Packard Development Company, L.P., Spring, TX (US)
Appl. No. 17/430,395
Filed by Hewlett-Packard Development Company, L.P., Spring, TX (US)
PCT Filed Jul. 25, 2019, PCT No. PCT/US2019/043361
§ 371(c)(1), (2) Date Aug. 12, 2021,
PCT Pub. No. WO2021/015776, PCT Pub. Date Jan. 28, 2021.
Prior Publication US 2022/0146956 A1, May 12, 2022
Int. Cl. G03G 9/13 (2006.01); C09D 11/037 (2014.01); C09D 11/106 (2014.01); C09D 11/54 (2014.01); G03G 9/12 (2006.01); G03G 15/00 (2006.01)
CPC G03G 9/131 (2013.01) [C09D 11/037 (2013.01); C09D 11/106 (2013.01); C09D 11/54 (2013.01); G03G 9/122 (2013.01); G03G 15/6585 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A method of providing a printed shrink sleeve, the method comprising:
providing a printed shrink sleeve substrate comprising a liquid electrophotographically printed ink image; and
coating the liquid electrophotographically printed ink image of the printed shrink sleeve substrate with a water-based overprint varnish composition, the water-based overprint varnish composition comprising:
a varnish resin;
a crosslinking component comprising: a compound containing at least two epoxide groups; a compound containing an epoxide group and a silane group; or a compound containing at least two carbodiimide groups; and
hydrophobic particles,
wherein the ratio of the crosslinking component to the hydrophobic particles by weight is in the range of about 4.9:0.1 to about 1:4.