Printed shrink sleeves
US11841682B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 25, 2019 |
| Grant date | Dec 12, 2023 |
| Priority date | — |
| Expiry date | Jun 10, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/6585
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Herein is described a method of providing a printed shrink sleeve, the method comprising: providing a printed substrate comprising a liquid electrophotographically printed ink image; and coating the liquid electrophotographically printed ink image of the printed 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, the ratio of the crosslinking component to the hydrophobic particles by weight being in the range of about 4.9:0.1 to about 1:4.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.